| /* Test of POSIX compatible vasnprintf() and asnprintf() functions. |
| Copyright (C) 2007-2020 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <https://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ |
| |
| #include <config.h> |
| |
| #include "vasnprintf.h" |
| |
| #include <errno.h> |
| #include <float.h> |
| #include <stdarg.h> |
| #include <stddef.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "macros.h" |
| #include "minus-zero.h" |
| #include "infinity.h" |
| #include "nan.h" |
| |
| /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */ |
| static int |
| have_minus_zero () |
| { |
| static double plus_zero = 0.0; |
| double minus_zero = minus_zerod; |
| return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0; |
| } |
| |
| /* Representation of an 80-bit 'long double' as an initializer for a sequence |
| of 'unsigned int' words. */ |
| #ifdef WORDS_BIGENDIAN |
| # define LDBL80_WORDS(exponent,manthi,mantlo) \ |
| { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \ |
| ((unsigned int) (manthi) << 16) | ((unsigned int) (mantlo) >> 16), \ |
| (unsigned int) (mantlo) << 16 \ |
| } |
| #else |
| # define LDBL80_WORDS(exponent,manthi,mantlo) \ |
| { mantlo, manthi, exponent } |
| #endif |
| |
| static int |
| strmatch (const char *pattern, const char *string) |
| { |
| if (strlen (pattern) != strlen (string)) |
| return 0; |
| for (; *pattern != '\0'; pattern++, string++) |
| if (*pattern != '*' && *string != *pattern) |
| return 0; |
| return 1; |
| } |
| |
| /* Test whether string[start_index..end_index-1] is a valid textual |
| representation of NaN. */ |
| static int |
| strisnan (const char *string, size_t start_index, size_t end_index, int uppercase) |
| { |
| if (start_index < end_index) |
| { |
| if (string[start_index] == '-') |
| start_index++; |
| if (start_index + 3 <= end_index |
| && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0) |
| { |
| start_index += 3; |
| if (start_index == end_index |
| || (string[start_index] == '(' && string[end_index - 1] == ')')) |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| static void |
| test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) |
| { |
| char buf[8]; |
| int size; |
| |
| /* Test return value convention. */ |
| |
| for (size = 0; size <= 8; size++) |
| { |
| size_t length = size; |
| char *result = my_asnprintf (NULL, &length, "%d", 12345); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12345") == 0); |
| ASSERT (length == 5); |
| free (result); |
| } |
| |
| for (size = 0; size <= 8; size++) |
| { |
| size_t length; |
| char *result; |
| |
| memcpy (buf, "DEADBEEF", 8); |
| length = size; |
| result = my_asnprintf (buf, &length, "%d", 12345); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12345") == 0); |
| ASSERT (length == 5); |
| if (size < 6) |
| ASSERT (result != buf); |
| ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0); |
| if (result != buf) |
| free (result); |
| } |
| |
| /* Test support of size specifiers as in C99. */ |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12345671 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12345672 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12345673 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.5 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal |
| output of floating-point numbers. */ |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.922p+1 33") == 0 |
| || strcmp (result, "0x3.244p+0 33") == 0 |
| || strcmp (result, "0x6.488p-1 33") == 0 |
| || strcmp (result, "0xc.91p-2 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 |
| || strcmp (result, "-0X3.244P+0 33") == 0 |
| || strcmp (result, "-0X6.488P-1 33") == 0 |
| || strcmp (result, "-0XC.91P-2 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x0p+0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%a %d", minus_zerod, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0x0p+0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%a %d", Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%a %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding near the decimal point. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1p+0 33") == 0 |
| || strcmp (result, "0x2p+0 33") == 0 |
| || strcmp (result, "0x3p-1 33") == 0 |
| || strcmp (result, "0x6p-2 33") == 0 |
| || strcmp (result, "0xcp-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 0. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x2p+0 33") == 0 |
| || strcmp (result, "0x3p-1 33") == 0 |
| || strcmp (result, "0x6p-2 33") == 0 |
| || strcmp (result, "0xcp-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 1. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.8p+0 33") == 0 |
| || strcmp (result, "0x3.0p-1 33") == 0 |
| || strcmp (result, "0x6.1p-2 33") == 0 |
| || strcmp (result, "0xc.1p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 2. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.83p+0 33") == 0 |
| || strcmp (result, "0x3.05p-1 33") == 0 |
| || strcmp (result, "0x6.0ap-2 33") == 0 |
| || strcmp (result, "0xc.14p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 3. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.829p+0 33") == 0 |
| || strcmp (result, "0x3.052p-1 33") == 0 |
| || strcmp (result, "0x6.0a4p-2 33") == 0 |
| || strcmp (result, "0xc.148p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding can turn a ...FFF into a ...000. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.800p+0 33") == 0 |
| || strcmp (result, "0x3.000p-1 33") == 0 |
| || strcmp (result, "0x6.000p-2 33") == 0 |
| || strcmp (result, "0xc.000p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding can turn a ...FFF into a ...000. |
| This shows a Mac OS X 10.3.9 (Darwin 7.9) bug. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.0p+1 33") == 0 |
| || strcmp (result, "0x2.0p+0 33") == 0 |
| || strcmp (result, "0x4.0p-1 33") == 0 |
| || strcmp (result, "0x8.0p-2 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 |
| || strcmp (result, " 0x3.8p-1 33") == 0 |
| || strcmp (result, " 0x7p-2 33") == 0 |
| || strcmp (result, " 0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 |
| || strcmp (result, "0x3.8000000000p-1 33") == 0 |
| || strcmp (result, "0x7.0000000000p-2 33") == 0 |
| || strcmp (result, "0xe.0000000000p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Large precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 |
| || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 |
| || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 |
| || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.cp+0 33") == 0 |
| || strcmp (result, "0x3.8p-1 33") == 0 |
| || strcmp (result, "0x7p-2 33") == 0 |
| || strcmp (result, "0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 |
| || strcmp (result, "+0x3.8p-1 33") == 0 |
| || strcmp (result, "+0x7p-2 33") == 0 |
| || strcmp (result, "+0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 |
| || strcmp (result, " 0x3.8p-1 33") == 0 |
| || strcmp (result, " 0x7p-2 33") == 0 |
| || strcmp (result, " 0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.cp+0 33") == 0 |
| || strcmp (result, "0x3.8p-1 33") == 0 |
| || strcmp (result, "0x7.p-2 33") == 0 |
| || strcmp (result, "0xe.p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.p+0 33") == 0 |
| || strcmp (result, "0x2.p-1 33") == 0 |
| || strcmp (result, "0x4.p-2 33") == 0 |
| || strcmp (result, "0x8.p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x001.cp+0 33") == 0 |
| || strcmp (result, "0x003.8p-1 33") == 0 |
| || strcmp (result, "0x00007p-2 33") == 0 |
| || strcmp (result, "0x0000ep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%010a %d", Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| /* "0000000inf 33" is not a valid result; see |
| <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */ |
| ASSERT (strcmp (result, " inf 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| /* "0000000nan 33" is not a valid result; see |
| <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */ |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.922p+1 33") == 0 |
| || strcmp (result, "0x3.244p+0 33") == 0 |
| || strcmp (result, "0x6.488p-1 33") == 0 |
| || strcmp (result, "0xc.91p-2 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0X1.922P+1 33") == 0 |
| || strcmp (result, "-0X3.244P+0 33") == 0 |
| || strcmp (result, "-0X6.488P-1 33") == 0 |
| || strcmp (result, "-0XC.91P-2 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x0p+0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0x0p+0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE |
| { /* Quiet NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| { |
| /* Signalling NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| /* asnprintf should print something for noncanonical values. */ |
| { /* Pseudo-NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Infinity. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Zero. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Unnormalized number. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Denormal. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| #endif |
| |
| { /* Rounding near the decimal point. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x2p+0 33") == 0 |
| || strcmp (result, "0x3p-1 33") == 0 |
| || strcmp (result, "0x6p-2 33") == 0 |
| || strcmp (result, "0xcp-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 0. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x2p+0 33") == 0 |
| || strcmp (result, "0x3p-1 33") == 0 |
| || strcmp (result, "0x6p-2 33") == 0 |
| || strcmp (result, "0xcp-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 1. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.8p+0 33") == 0 |
| || strcmp (result, "0x3.0p-1 33") == 0 |
| || strcmp (result, "0x6.1p-2 33") == 0 |
| || strcmp (result, "0xc.1p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 2. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.83p+0 33") == 0 |
| || strcmp (result, "0x3.05p-1 33") == 0 |
| || strcmp (result, "0x6.0ap-2 33") == 0 |
| || strcmp (result, "0xc.14p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding with precision 3. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.829p+0 33") == 0 |
| || strcmp (result, "0x3.052p-1 33") == 0 |
| || strcmp (result, "0x6.0a4p-2 33") == 0 |
| || strcmp (result, "0xc.148p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding can turn a ...FFF into a ...000. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.800p+0 33") == 0 |
| || strcmp (result, "0x3.000p-1 33") == 0 |
| || strcmp (result, "0x6.000p-2 33") == 0 |
| || strcmp (result, "0xc.000p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Rounding can turn a ...FFF into a ...000. |
| This shows a Mac OS X 10.3.9 (Darwin 7.9) bug and a |
| glibc 2.4 bug <https://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.0p+1 33") == 0 |
| || strcmp (result, "0x2.0p+0 33") == 0 |
| || strcmp (result, "0x4.0p-1 33") == 0 |
| || strcmp (result, "0x8.0p-2 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 |
| || strcmp (result, " 0x3.8p-1 33") == 0 |
| || strcmp (result, " 0x7p-2 33") == 0 |
| || strcmp (result, " 0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0 |
| || strcmp (result, "0x3.8000000000p-1 33") == 0 |
| || strcmp (result, "0x7.0000000000p-2 33") == 0 |
| || strcmp (result, "0xe.0000000000p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Large precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0 |
| || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0 |
| || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0 |
| || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.cp+0 33") == 0 |
| || strcmp (result, "0x3.8p-1 33") == 0 |
| || strcmp (result, "0x7p-2 33") == 0 |
| || strcmp (result, "0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+0x1.cp+0 33") == 0 |
| || strcmp (result, "+0x3.8p-1 33") == 0 |
| || strcmp (result, "+0x7p-2 33") == 0 |
| || strcmp (result, "+0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 0x1.cp+0 33") == 0 |
| || strcmp (result, " 0x3.8p-1 33") == 0 |
| || strcmp (result, " 0x7p-2 33") == 0 |
| || strcmp (result, " 0xep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.cp+0 33") == 0 |
| || strcmp (result, "0x3.8p-1 33") == 0 |
| || strcmp (result, "0x7.p-2 33") == 0 |
| || strcmp (result, "0xe.p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x1.p+0 33") == 0 |
| || strcmp (result, "0x2.p-1 33") == 0 |
| || strcmp (result, "0x4.p-2 33") == 0 |
| || strcmp (result, "0x8.p-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0x001.cp+0 33") == 0 |
| || strcmp (result, "0x003.8p-1 33") == 0 |
| || strcmp (result, "0x00007p-2 33") == 0 |
| || strcmp (result, "0x0000ep-3 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%010La %d", Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| /* "0000000inf 33" is not a valid result; see |
| <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */ |
| ASSERT (strcmp (result, " inf 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| /* "0000000nan 33" is not a valid result; see |
| <https://lists.gnu.org/r/bug-gnulib/2007-04/msg00107.html> */ |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the %f format directive. */ |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234567.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small and large positive numbers. */ |
| static struct { double value; const char *string; } data[] = |
| { |
| { 1.234321234321234e-37, "0.000000" }, |
| { 1.234321234321234e-36, "0.000000" }, |
| { 1.234321234321234e-35, "0.000000" }, |
| { 1.234321234321234e-34, "0.000000" }, |
| { 1.234321234321234e-33, "0.000000" }, |
| { 1.234321234321234e-32, "0.000000" }, |
| { 1.234321234321234e-31, "0.000000" }, |
| { 1.234321234321234e-30, "0.000000" }, |
| { 1.234321234321234e-29, "0.000000" }, |
| { 1.234321234321234e-28, "0.000000" }, |
| { 1.234321234321234e-27, "0.000000" }, |
| { 1.234321234321234e-26, "0.000000" }, |
| { 1.234321234321234e-25, "0.000000" }, |
| { 1.234321234321234e-24, "0.000000" }, |
| { 1.234321234321234e-23, "0.000000" }, |
| { 1.234321234321234e-22, "0.000000" }, |
| { 1.234321234321234e-21, "0.000000" }, |
| { 1.234321234321234e-20, "0.000000" }, |
| { 1.234321234321234e-19, "0.000000" }, |
| { 1.234321234321234e-18, "0.000000" }, |
| { 1.234321234321234e-17, "0.000000" }, |
| { 1.234321234321234e-16, "0.000000" }, |
| { 1.234321234321234e-15, "0.000000" }, |
| { 1.234321234321234e-14, "0.000000" }, |
| { 1.234321234321234e-13, "0.000000" }, |
| { 1.234321234321234e-12, "0.000000" }, |
| { 1.234321234321234e-11, "0.000000" }, |
| { 1.234321234321234e-10, "0.000000" }, |
| { 1.234321234321234e-9, "0.000000" }, |
| { 1.234321234321234e-8, "0.000000" }, |
| { 1.234321234321234e-7, "0.000000" }, |
| { 1.234321234321234e-6, "0.000001" }, |
| { 1.234321234321234e-5, "0.000012" }, |
| { 1.234321234321234e-4, "0.000123" }, |
| { 1.234321234321234e-3, "0.001234" }, |
| { 1.234321234321234e-2, "0.012343" }, |
| { 1.234321234321234e-1, "0.123432" }, |
| { 1.234321234321234, "1.234321" }, |
| { 1.234321234321234e1, "12.343212" }, |
| { 1.234321234321234e2, "123.432123" }, |
| { 1.234321234321234e3, "1234.321234" }, |
| { 1.234321234321234e4, "12343.212343" }, |
| { 1.234321234321234e5, "123432.123432" }, |
| { 1.234321234321234e6, "1234321.234321" }, |
| { 1.234321234321234e7, "12343212.343212" }, |
| { 1.234321234321234e8, "123432123.432123" }, |
| { 1.234321234321234e9, "1234321234.321234" }, |
| { 1.234321234321234e10, "12343212343.2123**" }, |
| { 1.234321234321234e11, "123432123432.123***" }, |
| { 1.234321234321234e12, "1234321234321.23****" }, |
| { 1.234321234321234e13, "12343212343212.3*****" }, |
| { 1.234321234321234e14, "123432123432123.******" }, |
| { 1.234321234321234e15, "1234321234321234.000000" }, |
| { 1.234321234321234e16, "123432123432123**.000000" }, |
| { 1.234321234321234e17, "123432123432123***.000000" }, |
| { 1.234321234321234e18, "123432123432123****.000000" }, |
| { 1.234321234321234e19, "123432123432123*****.000000" }, |
| { 1.234321234321234e20, "123432123432123******.000000" }, |
| { 1.234321234321234e21, "123432123432123*******.000000" }, |
| { 1.234321234321234e22, "123432123432123********.000000" }, |
| { 1.234321234321234e23, "123432123432123*********.000000" }, |
| { 1.234321234321234e24, "123432123432123**********.000000" }, |
| { 1.234321234321234e25, "123432123432123***********.000000" }, |
| { 1.234321234321234e26, "123432123432123************.000000" }, |
| { 1.234321234321234e27, "123432123432123*************.000000" }, |
| { 1.234321234321234e28, "123432123432123**************.000000" }, |
| { 1.234321234321234e29, "123432123432123***************.000000" }, |
| { 1.234321234321234e30, "123432123432123****************.000000" }, |
| { 1.234321234321234e31, "123432123432123*****************.000000" }, |
| { 1.234321234321234e32, "123432123432123******************.000000" }, |
| { 1.234321234321234e33, "123432123432123*******************.000000" }, |
| { 1.234321234321234e34, "123432123432123********************.000000" }, |
| { 1.234321234321234e35, "123432123432123*********************.000000" }, |
| { 1.234321234321234e36, "123432123432123**********************.000000" } |
| }; |
| size_t k; |
| for (k = 0; k < SIZEOF (data); k++) |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f", data[k].value); |
| ASSERT (result != NULL); |
| ASSERT (strmatch (data[k].string, result)); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0.031250 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", minus_zerod, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0 |
| || strcmp (result, "infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0 |
| || strcmp (result, "-infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "2. 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "00001234.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015f %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -inf 33") == 0 |
| || strcmp (result, " -infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "999.95 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1000.00 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234567.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small and large positive numbers. */ |
| static struct { long double value; const char *string; } data[] = |
| { |
| { 1.234321234321234e-37L, "0.000000" }, |
| { 1.234321234321234e-36L, "0.000000" }, |
| { 1.234321234321234e-35L, "0.000000" }, |
| { 1.234321234321234e-34L, "0.000000" }, |
| { 1.234321234321234e-33L, "0.000000" }, |
| { 1.234321234321234e-32L, "0.000000" }, |
| { 1.234321234321234e-31L, "0.000000" }, |
| { 1.234321234321234e-30L, "0.000000" }, |
| { 1.234321234321234e-29L, "0.000000" }, |
| { 1.234321234321234e-28L, "0.000000" }, |
| { 1.234321234321234e-27L, "0.000000" }, |
| { 1.234321234321234e-26L, "0.000000" }, |
| { 1.234321234321234e-25L, "0.000000" }, |
| { 1.234321234321234e-24L, "0.000000" }, |
| { 1.234321234321234e-23L, "0.000000" }, |
| { 1.234321234321234e-22L, "0.000000" }, |
| { 1.234321234321234e-21L, "0.000000" }, |
| { 1.234321234321234e-20L, "0.000000" }, |
| { 1.234321234321234e-19L, "0.000000" }, |
| { 1.234321234321234e-18L, "0.000000" }, |
| { 1.234321234321234e-17L, "0.000000" }, |
| { 1.234321234321234e-16L, "0.000000" }, |
| { 1.234321234321234e-15L, "0.000000" }, |
| { 1.234321234321234e-14L, "0.000000" }, |
| { 1.234321234321234e-13L, "0.000000" }, |
| { 1.234321234321234e-12L, "0.000000" }, |
| { 1.234321234321234e-11L, "0.000000" }, |
| { 1.234321234321234e-10L, "0.000000" }, |
| { 1.234321234321234e-9L, "0.000000" }, |
| { 1.234321234321234e-8L, "0.000000" }, |
| { 1.234321234321234e-7L, "0.000000" }, |
| { 1.234321234321234e-6L, "0.000001" }, |
| { 1.234321234321234e-5L, "0.000012" }, |
| { 1.234321234321234e-4L, "0.000123" }, |
| { 1.234321234321234e-3L, "0.001234" }, |
| { 1.234321234321234e-2L, "0.012343" }, |
| { 1.234321234321234e-1L, "0.123432" }, |
| { 1.234321234321234L, "1.234321" }, |
| { 1.234321234321234e1L, "12.343212" }, |
| { 1.234321234321234e2L, "123.432123" }, |
| { 1.234321234321234e3L, "1234.321234" }, |
| { 1.234321234321234e4L, "12343.212343" }, |
| { 1.234321234321234e5L, "123432.123432" }, |
| { 1.234321234321234e6L, "1234321.234321" }, |
| { 1.234321234321234e7L, "12343212.343212" }, |
| { 1.234321234321234e8L, "123432123.432123" }, |
| { 1.234321234321234e9L, "1234321234.321234" }, |
| { 1.234321234321234e10L, "12343212343.2123**" }, |
| { 1.234321234321234e11L, "123432123432.123***" }, |
| { 1.234321234321234e12L, "1234321234321.23****" }, |
| { 1.234321234321234e13L, "12343212343212.3*****" }, |
| { 1.234321234321234e14L, "123432123432123.******" }, |
| { 1.234321234321234e15L, "1234321234321234.000000" }, |
| { 1.234321234321234e16L, "123432123432123**.000000" }, |
| { 1.234321234321234e17L, "123432123432123***.000000" }, |
| { 1.234321234321234e18L, "123432123432123****.000000" }, |
| { 1.234321234321234e19L, "123432123432123*****.000000" }, |
| { 1.234321234321234e20L, "123432123432123******.000000" }, |
| { 1.234321234321234e21L, "123432123432123*******.000000" }, |
| { 1.234321234321234e22L, "123432123432123********.000000" }, |
| { 1.234321234321234e23L, "123432123432123*********.000000" }, |
| { 1.234321234321234e24L, "123432123432123**********.000000" }, |
| { 1.234321234321234e25L, "123432123432123***********.000000" }, |
| { 1.234321234321234e26L, "123432123432123************.000000" }, |
| { 1.234321234321234e27L, "123432123432123*************.000000" }, |
| { 1.234321234321234e28L, "123432123432123**************.000000" }, |
| { 1.234321234321234e29L, "123432123432123***************.000000" }, |
| { 1.234321234321234e30L, "123432123432123****************.000000" }, |
| { 1.234321234321234e31L, "123432123432123*****************.000000" }, |
| { 1.234321234321234e32L, "123432123432123******************.000000" }, |
| { 1.234321234321234e33L, "123432123432123*******************.000000" }, |
| { 1.234321234321234e34L, "123432123432123********************.000000" }, |
| { 1.234321234321234e35L, "123432123432123*********************.000000" }, |
| { 1.234321234321234e36L, "123432123432123**********************.000000" } |
| }; |
| size_t k; |
| for (k = 0; k < SIZEOF (data); k++) |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf", data[k].value); |
| ASSERT (result != NULL); |
| ASSERT (strmatch (data[k].string, result)); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0.031250 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0 |
| || strcmp (result, "infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0 |
| || strcmp (result, "-infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE |
| { /* Quiet NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| { |
| /* Signalling NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| /* asnprintf should print something for noncanonical values. */ |
| { /* Pseudo-NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Infinity. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Zero. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Unnormalized number. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Denormal. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| #endif |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "2. 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "00001234.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015Lf %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -inf 33") == 0 |
| || strcmp (result, " -infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "999.95 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1000.00 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the %F format directive. */ |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234567.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0.031250 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", minus_zerod, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "INF 33") == 0 |
| || strcmp (result, "INFINITY 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-INF 33") == 0 |
| || strcmp (result, "-INFINITY 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 1) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "00001234.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015F %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -INF 33") == 0 |
| || strcmp (result, " -INFINITY 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "999.95 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1000.00 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12.750000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234567.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0.031250 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "INF 33") == 0 |
| || strcmp (result, "INFINITY 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-INF 33") == 0 |
| || strcmp (result, "-INFINITY 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 1) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "00001234.000000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015LF %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -INF 33") == 0 |
| || strcmp (result, " -INFINITY 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "999.95 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1000.00 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the %e format directive. */ |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.275000e+01 33") == 0 |
| || strcmp (result, "1.275000e+001 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.234567e+06 33") == 0 |
| || strcmp (result, "1.234567e+006 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small and large positive numbers. */ |
| static struct { double value; const char *string; } data[] = |
| { |
| { 1.234321234321234e-37, "1.234321e-37" }, |
| { 1.234321234321234e-36, "1.234321e-36" }, |
| { 1.234321234321234e-35, "1.234321e-35" }, |
| { 1.234321234321234e-34, "1.234321e-34" }, |
| { 1.234321234321234e-33, "1.234321e-33" }, |
| { 1.234321234321234e-32, "1.234321e-32" }, |
| { 1.234321234321234e-31, "1.234321e-31" }, |
| { 1.234321234321234e-30, "1.234321e-30" }, |
| { 1.234321234321234e-29, "1.234321e-29" }, |
| { 1.234321234321234e-28, "1.234321e-28" }, |
| { 1.234321234321234e-27, "1.234321e-27" }, |
| { 1.234321234321234e-26, "1.234321e-26" }, |
| { 1.234321234321234e-25, "1.234321e-25" }, |
| { 1.234321234321234e-24, "1.234321e-24" }, |
| { 1.234321234321234e-23, "1.234321e-23" }, |
| { 1.234321234321234e-22, "1.234321e-22" }, |
| { 1.234321234321234e-21, "1.234321e-21" }, |
| { 1.234321234321234e-20, "1.234321e-20" }, |
| { 1.234321234321234e-19, "1.234321e-19" }, |
| { 1.234321234321234e-18, "1.234321e-18" }, |
| { 1.234321234321234e-17, "1.234321e-17" }, |
| { 1.234321234321234e-16, "1.234321e-16" }, |
| { 1.234321234321234e-15, "1.234321e-15" }, |
| { 1.234321234321234e-14, "1.234321e-14" }, |
| { 1.234321234321234e-13, "1.234321e-13" }, |
| { 1.234321234321234e-12, "1.234321e-12" }, |
| { 1.234321234321234e-11, "1.234321e-11" }, |
| { 1.234321234321234e-10, "1.234321e-10" }, |
| { 1.234321234321234e-9, "1.234321e-09" }, |
| { 1.234321234321234e-8, "1.234321e-08" }, |
| { 1.234321234321234e-7, "1.234321e-07" }, |
| { 1.234321234321234e-6, "1.234321e-06" }, |
| { 1.234321234321234e-5, "1.234321e-05" }, |
| { 1.234321234321234e-4, "1.234321e-04" }, |
| { 1.234321234321234e-3, "1.234321e-03" }, |
| { 1.234321234321234e-2, "1.234321e-02" }, |
| { 1.234321234321234e-1, "1.234321e-01" }, |
| { 1.234321234321234, "1.234321e+00" }, |
| { 1.234321234321234e1, "1.234321e+01" }, |
| { 1.234321234321234e2, "1.234321e+02" }, |
| { 1.234321234321234e3, "1.234321e+03" }, |
| { 1.234321234321234e4, "1.234321e+04" }, |
| { 1.234321234321234e5, "1.234321e+05" }, |
| { 1.234321234321234e6, "1.234321e+06" }, |
| { 1.234321234321234e7, "1.234321e+07" }, |
| { 1.234321234321234e8, "1.234321e+08" }, |
| { 1.234321234321234e9, "1.234321e+09" }, |
| { 1.234321234321234e10, "1.234321e+10" }, |
| { 1.234321234321234e11, "1.234321e+11" }, |
| { 1.234321234321234e12, "1.234321e+12" }, |
| { 1.234321234321234e13, "1.234321e+13" }, |
| { 1.234321234321234e14, "1.234321e+14" }, |
| { 1.234321234321234e15, "1.234321e+15" }, |
| { 1.234321234321234e16, "1.234321e+16" }, |
| { 1.234321234321234e17, "1.234321e+17" }, |
| { 1.234321234321234e18, "1.234321e+18" }, |
| { 1.234321234321234e19, "1.234321e+19" }, |
| { 1.234321234321234e20, "1.234321e+20" }, |
| { 1.234321234321234e21, "1.234321e+21" }, |
| { 1.234321234321234e22, "1.234321e+22" }, |
| { 1.234321234321234e23, "1.234321e+23" }, |
| { 1.234321234321234e24, "1.234321e+24" }, |
| { 1.234321234321234e25, "1.234321e+25" }, |
| { 1.234321234321234e26, "1.234321e+26" }, |
| { 1.234321234321234e27, "1.234321e+27" }, |
| { 1.234321234321234e28, "1.234321e+28" }, |
| { 1.234321234321234e29, "1.234321e+29" }, |
| { 1.234321234321234e30, "1.234321e+30" }, |
| { 1.234321234321234e31, "1.234321e+31" }, |
| { 1.234321234321234e32, "1.234321e+32" }, |
| { 1.234321234321234e33, "1.234321e+33" }, |
| { 1.234321234321234e34, "1.234321e+34" }, |
| { 1.234321234321234e35, "1.234321e+35" }, |
| { 1.234321234321234e36, "1.234321e+36" } |
| }; |
| size_t k; |
| for (k = 0; k < SIZEOF (data); k++) |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e", data[k].value); |
| const char *expected = data[k].string; |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, expected) == 0 |
| /* Some implementations produce exponents with 3 digits. */ |
| || (strlen (result) == strlen (expected) + 1 |
| && memcmp (result, expected, strlen (expected) - 2) == 0 |
| && result[strlen (expected) - 2] == '0' |
| && strcmp (result + strlen (expected) - 1, |
| expected + strlen (expected) - 2) |
| == 0)); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-3.125000e-02 33") == 0 |
| || strcmp (result, "-3.125000e-002 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0.000000e+00 33") == 0 |
| || strcmp (result, "0.000000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", minus_zerod, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0.000000e+00 33") == 0 |
| || strcmp (result, "-0.000000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0 |
| || strcmp (result, "infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0 |
| || strcmp (result, "-infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000e+00 33") == 0 |
| || strcmp (result, " 1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000e+00 33") == 0 |
| || strcmp (result, "1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+1.750000e+00 33") == 0 |
| || strcmp (result, "+1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000e+00 33") == 0 |
| || strcmp (result, " 1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000e+00 33") == 0 |
| || strcmp (result, "1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "2.e+00 33") == 0 |
| || strcmp (result, "2.e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.e+01 33") == 0 |
| || strcmp (result, "1.e+001 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0001.234000e+03 33") == 0 |
| || strcmp (result, "001.234000e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015e %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -inf 33") == 0 |
| || strcmp (result, " -infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1e+03 33") == 0 |
| || strcmp (result, "1e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "9.9995e+02 33") == 0 |
| || strcmp (result, "9.9995e+002 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.0000e+03 33") == 0 |
| || strcmp (result, "1.0000e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.275000e+01 33") == 0 |
| || strcmp (result, "1.275000e+001 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.234567e+06 33") == 0 |
| || strcmp (result, "1.234567e+006 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small and large positive numbers. */ |
| static struct { long double value; const char *string; } data[] = |
| { |
| { 1.234321234321234e-37L, "1.234321e-37" }, |
| { 1.234321234321234e-36L, "1.234321e-36" }, |
| { 1.234321234321234e-35L, "1.234321e-35" }, |
| { 1.234321234321234e-34L, "1.234321e-34" }, |
| { 1.234321234321234e-33L, "1.234321e-33" }, |
| { 1.234321234321234e-32L, "1.234321e-32" }, |
| { 1.234321234321234e-31L, "1.234321e-31" }, |
| { 1.234321234321234e-30L, "1.234321e-30" }, |
| { 1.234321234321234e-29L, "1.234321e-29" }, |
| { 1.234321234321234e-28L, "1.234321e-28" }, |
| { 1.234321234321234e-27L, "1.234321e-27" }, |
| { 1.234321234321234e-26L, "1.234321e-26" }, |
| { 1.234321234321234e-25L, "1.234321e-25" }, |
| { 1.234321234321234e-24L, "1.234321e-24" }, |
| { 1.234321234321234e-23L, "1.234321e-23" }, |
| { 1.234321234321234e-22L, "1.234321e-22" }, |
| { 1.234321234321234e-21L, "1.234321e-21" }, |
| { 1.234321234321234e-20L, "1.234321e-20" }, |
| { 1.234321234321234e-19L, "1.234321e-19" }, |
| { 1.234321234321234e-18L, "1.234321e-18" }, |
| { 1.234321234321234e-17L, "1.234321e-17" }, |
| { 1.234321234321234e-16L, "1.234321e-16" }, |
| { 1.234321234321234e-15L, "1.234321e-15" }, |
| { 1.234321234321234e-14L, "1.234321e-14" }, |
| { 1.234321234321234e-13L, "1.234321e-13" }, |
| { 1.234321234321234e-12L, "1.234321e-12" }, |
| { 1.234321234321234e-11L, "1.234321e-11" }, |
| { 1.234321234321234e-10L, "1.234321e-10" }, |
| { 1.234321234321234e-9L, "1.234321e-09" }, |
| { 1.234321234321234e-8L, "1.234321e-08" }, |
| { 1.234321234321234e-7L, "1.234321e-07" }, |
| { 1.234321234321234e-6L, "1.234321e-06" }, |
| { 1.234321234321234e-5L, "1.234321e-05" }, |
| { 1.234321234321234e-4L, "1.234321e-04" }, |
| { 1.234321234321234e-3L, "1.234321e-03" }, |
| { 1.234321234321234e-2L, "1.234321e-02" }, |
| { 1.234321234321234e-1L, "1.234321e-01" }, |
| { 1.234321234321234L, "1.234321e+00" }, |
| { 1.234321234321234e1L, "1.234321e+01" }, |
| { 1.234321234321234e2L, "1.234321e+02" }, |
| { 1.234321234321234e3L, "1.234321e+03" }, |
| { 1.234321234321234e4L, "1.234321e+04" }, |
| { 1.234321234321234e5L, "1.234321e+05" }, |
| { 1.234321234321234e6L, "1.234321e+06" }, |
| { 1.234321234321234e7L, "1.234321e+07" }, |
| { 1.234321234321234e8L, "1.234321e+08" }, |
| { 1.234321234321234e9L, "1.234321e+09" }, |
| { 1.234321234321234e10L, "1.234321e+10" }, |
| { 1.234321234321234e11L, "1.234321e+11" }, |
| { 1.234321234321234e12L, "1.234321e+12" }, |
| { 1.234321234321234e13L, "1.234321e+13" }, |
| { 1.234321234321234e14L, "1.234321e+14" }, |
| { 1.234321234321234e15L, "1.234321e+15" }, |
| { 1.234321234321234e16L, "1.234321e+16" }, |
| { 1.234321234321234e17L, "1.234321e+17" }, |
| { 1.234321234321234e18L, "1.234321e+18" }, |
| { 1.234321234321234e19L, "1.234321e+19" }, |
| { 1.234321234321234e20L, "1.234321e+20" }, |
| { 1.234321234321234e21L, "1.234321e+21" }, |
| { 1.234321234321234e22L, "1.234321e+22" }, |
| { 1.234321234321234e23L, "1.234321e+23" }, |
| { 1.234321234321234e24L, "1.234321e+24" }, |
| { 1.234321234321234e25L, "1.234321e+25" }, |
| { 1.234321234321234e26L, "1.234321e+26" }, |
| { 1.234321234321234e27L, "1.234321e+27" }, |
| { 1.234321234321234e28L, "1.234321e+28" }, |
| { 1.234321234321234e29L, "1.234321e+29" }, |
| { 1.234321234321234e30L, "1.234321e+30" }, |
| { 1.234321234321234e31L, "1.234321e+31" }, |
| { 1.234321234321234e32L, "1.234321e+32" }, |
| { 1.234321234321234e33L, "1.234321e+33" }, |
| { 1.234321234321234e34L, "1.234321e+34" }, |
| { 1.234321234321234e35L, "1.234321e+35" }, |
| { 1.234321234321234e36L, "1.234321e+36" } |
| }; |
| size_t k; |
| for (k = 0; k < SIZEOF (data); k++) |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le", data[k].value); |
| const char *expected = data[k].string; |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, expected) == 0 |
| /* Some implementations produce exponents with 3 digits. */ |
| || (strlen (result) == strlen (expected) + 1 |
| && memcmp (result, expected, strlen (expected) - 2) == 0 |
| && result[strlen (expected) - 2] == '0' |
| && strcmp (result + strlen (expected) - 1, |
| expected + strlen (expected) - 2) |
| == 0)); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-3.125000e-02 33") == 0 |
| || strcmp (result, "-3.125000e-002 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0.000000e+00 33") == 0 |
| || strcmp (result, "0.000000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0.000000e+00 33") == 0 |
| || strcmp (result, "-0.000000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0 |
| || strcmp (result, "infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0 |
| || strcmp (result, "-infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE |
| { /* Quiet NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { |
| /* Signalling NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| /* asnprintf should print something even for noncanonical values. */ |
| { /* Pseudo-NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Infinity. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Zero. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Unnormalized number. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Denormal. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| #endif |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000e+00 33") == 0 |
| || strcmp (result, " 1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000e+00 33") == 0 |
| || strcmp (result, "1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+1.750000e+00 33") == 0 |
| || strcmp (result, "+1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.750000e+00 33") == 0 |
| || strcmp (result, " 1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.750000e+00 33") == 0 |
| || strcmp (result, "1.750000e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "2.e+00 33") == 0 |
| || strcmp (result, "2.e+000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.e+01 33") == 0 |
| || strcmp (result, "1.e+001 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0001.234000e+03 33") == 0 |
| || strcmp (result, "001.234000e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015Le %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -inf 33") == 0 |
| || strcmp (result, " -infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1e+03 33") == 0 |
| || strcmp (result, "1e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "9.9995e+02 33") == 0 |
| || strcmp (result, "9.9995e+002 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.0000e+03 33") == 0 |
| || strcmp (result, "1.0000e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the %g format directive. */ |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.23457e+06 33") == 0 |
| || strcmp (result, "1.23457e+006 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small and large positive numbers. */ |
| static struct { double value; const char *string; } data[] = |
| { |
| { 1.234321234321234e-37, "1.23432e-37" }, |
| { 1.234321234321234e-36, "1.23432e-36" }, |
| { 1.234321234321234e-35, "1.23432e-35" }, |
| { 1.234321234321234e-34, "1.23432e-34" }, |
| { 1.234321234321234e-33, "1.23432e-33" }, |
| { 1.234321234321234e-32, "1.23432e-32" }, |
| { 1.234321234321234e-31, "1.23432e-31" }, |
| { 1.234321234321234e-30, "1.23432e-30" }, |
| { 1.234321234321234e-29, "1.23432e-29" }, |
| { 1.234321234321234e-28, "1.23432e-28" }, |
| { 1.234321234321234e-27, "1.23432e-27" }, |
| { 1.234321234321234e-26, "1.23432e-26" }, |
| { 1.234321234321234e-25, "1.23432e-25" }, |
| { 1.234321234321234e-24, "1.23432e-24" }, |
| { 1.234321234321234e-23, "1.23432e-23" }, |
| { 1.234321234321234e-22, "1.23432e-22" }, |
| { 1.234321234321234e-21, "1.23432e-21" }, |
| { 1.234321234321234e-20, "1.23432e-20" }, |
| { 1.234321234321234e-19, "1.23432e-19" }, |
| { 1.234321234321234e-18, "1.23432e-18" }, |
| { 1.234321234321234e-17, "1.23432e-17" }, |
| { 1.234321234321234e-16, "1.23432e-16" }, |
| { 1.234321234321234e-15, "1.23432e-15" }, |
| { 1.234321234321234e-14, "1.23432e-14" }, |
| { 1.234321234321234e-13, "1.23432e-13" }, |
| { 1.234321234321234e-12, "1.23432e-12" }, |
| { 1.234321234321234e-11, "1.23432e-11" }, |
| { 1.234321234321234e-10, "1.23432e-10" }, |
| { 1.234321234321234e-9, "1.23432e-09" }, |
| { 1.234321234321234e-8, "1.23432e-08" }, |
| { 1.234321234321234e-7, "1.23432e-07" }, |
| { 1.234321234321234e-6, "1.23432e-06" }, |
| { 1.234321234321234e-5, "1.23432e-05" }, |
| { 1.234321234321234e-4, "0.000123432" }, |
| { 1.234321234321234e-3, "0.00123432" }, |
| { 1.234321234321234e-2, "0.0123432" }, |
| { 1.234321234321234e-1, "0.123432" }, |
| { 1.234321234321234, "1.23432" }, |
| { 1.234321234321234e1, "12.3432" }, |
| { 1.234321234321234e2, "123.432" }, |
| { 1.234321234321234e3, "1234.32" }, |
| { 1.234321234321234e4, "12343.2" }, |
| { 1.234321234321234e5, "123432" }, |
| { 1.234321234321234e6, "1.23432e+06" }, |
| { 1.234321234321234e7, "1.23432e+07" }, |
| { 1.234321234321234e8, "1.23432e+08" }, |
| { 1.234321234321234e9, "1.23432e+09" }, |
| { 1.234321234321234e10, "1.23432e+10" }, |
| { 1.234321234321234e11, "1.23432e+11" }, |
| { 1.234321234321234e12, "1.23432e+12" }, |
| { 1.234321234321234e13, "1.23432e+13" }, |
| { 1.234321234321234e14, "1.23432e+14" }, |
| { 1.234321234321234e15, "1.23432e+15" }, |
| { 1.234321234321234e16, "1.23432e+16" }, |
| { 1.234321234321234e17, "1.23432e+17" }, |
| { 1.234321234321234e18, "1.23432e+18" }, |
| { 1.234321234321234e19, "1.23432e+19" }, |
| { 1.234321234321234e20, "1.23432e+20" }, |
| { 1.234321234321234e21, "1.23432e+21" }, |
| { 1.234321234321234e22, "1.23432e+22" }, |
| { 1.234321234321234e23, "1.23432e+23" }, |
| { 1.234321234321234e24, "1.23432e+24" }, |
| { 1.234321234321234e25, "1.23432e+25" }, |
| { 1.234321234321234e26, "1.23432e+26" }, |
| { 1.234321234321234e27, "1.23432e+27" }, |
| { 1.234321234321234e28, "1.23432e+28" }, |
| { 1.234321234321234e29, "1.23432e+29" }, |
| { 1.234321234321234e30, "1.23432e+30" }, |
| { 1.234321234321234e31, "1.23432e+31" }, |
| { 1.234321234321234e32, "1.23432e+32" }, |
| { 1.234321234321234e33, "1.23432e+33" }, |
| { 1.234321234321234e34, "1.23432e+34" }, |
| { 1.234321234321234e35, "1.23432e+35" }, |
| { 1.234321234321234e36, "1.23432e+36" } |
| }; |
| size_t k; |
| for (k = 0; k < SIZEOF (data); k++) |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g", data[k].value); |
| const char *expected = data[k].string; |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, expected) == 0 |
| /* Some implementations produce exponents with 3 digits. */ |
| || (expected[strlen (expected) - 4] == 'e' |
| && strlen (result) == strlen (expected) + 1 |
| && memcmp (result, expected, strlen (expected) - 2) == 0 |
| && result[strlen (expected) - 2] == '0' |
| && strcmp (result + strlen (expected) - 1, |
| expected + strlen (expected) - 2) |
| == 0)); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0.03125 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", minus_zerod, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0 |
| || strcmp (result, "infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0 |
| || strcmp (result, "-infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.75000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "2. 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.e+01 33") == 0 |
| || strcmp (result, "1.e+001 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0000001234 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015g %d", - Infinityd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -inf 33") == 0 |
| || strcmp (result, " -infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1e+03 33") == 0 |
| || strcmp (result, "1e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "999.95 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* A larger positive number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.23457e+06 33") == 0 |
| || strcmp (result, "1.23457e+006 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Small and large positive numbers. */ |
| static struct { long double value; const char *string; } data[] = |
| { |
| { 1.234321234321234e-37L, "1.23432e-37" }, |
| { 1.234321234321234e-36L, "1.23432e-36" }, |
| { 1.234321234321234e-35L, "1.23432e-35" }, |
| { 1.234321234321234e-34L, "1.23432e-34" }, |
| { 1.234321234321234e-33L, "1.23432e-33" }, |
| { 1.234321234321234e-32L, "1.23432e-32" }, |
| { 1.234321234321234e-31L, "1.23432e-31" }, |
| { 1.234321234321234e-30L, "1.23432e-30" }, |
| { 1.234321234321234e-29L, "1.23432e-29" }, |
| { 1.234321234321234e-28L, "1.23432e-28" }, |
| { 1.234321234321234e-27L, "1.23432e-27" }, |
| { 1.234321234321234e-26L, "1.23432e-26" }, |
| { 1.234321234321234e-25L, "1.23432e-25" }, |
| { 1.234321234321234e-24L, "1.23432e-24" }, |
| { 1.234321234321234e-23L, "1.23432e-23" }, |
| { 1.234321234321234e-22L, "1.23432e-22" }, |
| { 1.234321234321234e-21L, "1.23432e-21" }, |
| { 1.234321234321234e-20L, "1.23432e-20" }, |
| { 1.234321234321234e-19L, "1.23432e-19" }, |
| { 1.234321234321234e-18L, "1.23432e-18" }, |
| { 1.234321234321234e-17L, "1.23432e-17" }, |
| { 1.234321234321234e-16L, "1.23432e-16" }, |
| { 1.234321234321234e-15L, "1.23432e-15" }, |
| { 1.234321234321234e-14L, "1.23432e-14" }, |
| { 1.234321234321234e-13L, "1.23432e-13" }, |
| { 1.234321234321234e-12L, "1.23432e-12" }, |
| { 1.234321234321234e-11L, "1.23432e-11" }, |
| { 1.234321234321234e-10L, "1.23432e-10" }, |
| { 1.234321234321234e-9L, "1.23432e-09" }, |
| { 1.234321234321234e-8L, "1.23432e-08" }, |
| { 1.234321234321234e-7L, "1.23432e-07" }, |
| { 1.234321234321234e-6L, "1.23432e-06" }, |
| { 1.234321234321234e-5L, "1.23432e-05" }, |
| { 1.234321234321234e-4L, "0.000123432" }, |
| { 1.234321234321234e-3L, "0.00123432" }, |
| { 1.234321234321234e-2L, "0.0123432" }, |
| { 1.234321234321234e-1L, "0.123432" }, |
| { 1.234321234321234L, "1.23432" }, |
| { 1.234321234321234e1L, "12.3432" }, |
| { 1.234321234321234e2L, "123.432" }, |
| { 1.234321234321234e3L, "1234.32" }, |
| { 1.234321234321234e4L, "12343.2" }, |
| { 1.234321234321234e5L, "123432" }, |
| { 1.234321234321234e6L, "1.23432e+06" }, |
| { 1.234321234321234e7L, "1.23432e+07" }, |
| { 1.234321234321234e8L, "1.23432e+08" }, |
| { 1.234321234321234e9L, "1.23432e+09" }, |
| { 1.234321234321234e10L, "1.23432e+10" }, |
| { 1.234321234321234e11L, "1.23432e+11" }, |
| { 1.234321234321234e12L, "1.23432e+12" }, |
| { 1.234321234321234e13L, "1.23432e+13" }, |
| { 1.234321234321234e14L, "1.23432e+14" }, |
| { 1.234321234321234e15L, "1.23432e+15" }, |
| { 1.234321234321234e16L, "1.23432e+16" }, |
| { 1.234321234321234e17L, "1.23432e+17" }, |
| { 1.234321234321234e18L, "1.23432e+18" }, |
| { 1.234321234321234e19L, "1.23432e+19" }, |
| { 1.234321234321234e20L, "1.23432e+20" }, |
| { 1.234321234321234e21L, "1.23432e+21" }, |
| { 1.234321234321234e22L, "1.23432e+22" }, |
| { 1.234321234321234e23L, "1.23432e+23" }, |
| { 1.234321234321234e24L, "1.23432e+24" }, |
| { 1.234321234321234e25L, "1.23432e+25" }, |
| { 1.234321234321234e26L, "1.23432e+26" }, |
| { 1.234321234321234e27L, "1.23432e+27" }, |
| { 1.234321234321234e28L, "1.23432e+28" }, |
| { 1.234321234321234e29L, "1.23432e+29" }, |
| { 1.234321234321234e30L, "1.23432e+30" }, |
| { 1.234321234321234e31L, "1.23432e+31" }, |
| { 1.234321234321234e32L, "1.23432e+32" }, |
| { 1.234321234321234e33L, "1.23432e+33" }, |
| { 1.234321234321234e34L, "1.23432e+34" }, |
| { 1.234321234321234e35L, "1.23432e+35" }, |
| { 1.234321234321234e36L, "1.23432e+36" } |
| }; |
| size_t k; |
| for (k = 0; k < SIZEOF (data); k++) |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg", data[k].value); |
| const char *expected = data[k].string; |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, expected) == 0 |
| /* Some implementations produce exponents with 3 digits. */ |
| || (expected[strlen (expected) - 4] == 'e' |
| && strlen (result) == strlen (expected) + 1 |
| && memcmp (result, expected, strlen (expected) - 2) == 0 |
| && result[strlen (expected) - 2] == '0' |
| && strcmp (result + strlen (expected) - 1, |
| expected + strlen (expected) - 2) |
| == 0)); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| } |
| |
| { /* A negative number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-0.03125 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative zero. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55); |
| ASSERT (result != NULL); |
| if (have_minus_zero ()) |
| ASSERT (strcmp (result, "-0 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Positive infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "inf 33") == 0 |
| || strcmp (result, "infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Negative infinity. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "-inf 33") == 0 |
| || strcmp (result, "-infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_)) && !HAVE_SAME_LONG_DOUBLE_AS_DOUBLE |
| { /* Quiet NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| { |
| /* Signalling NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) >= 3 + 3 |
| && strisnan (result, 0, strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| /* asnprintf should print something for noncanonical values. */ |
| { /* Pseudo-NaN. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Infinity. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Zero. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Unnormalized number. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| { /* Pseudo-Denormal. */ |
| static union { unsigned int word[4]; long double value; } x = |
| { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) }; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (length == strlen (result)); |
| ASSERT (3 < length && strcmp (result + length - 3, " 33") == 0); |
| free (result); |
| } |
| #endif |
| |
| { /* Width. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_LEFT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SHOWSIGN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "+1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_SPACE. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " 1.75 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.75000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "2. 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ALT. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1.e+01 33") == 0 |
| || strcmp (result, "1.e+001 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with finite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "0000001234 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with infinite number. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%015Lg %d", - Infinityl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, " -inf 33") == 0 |
| || strcmp (result, " -infinity 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* FLAG_ZERO with NaN. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strlen (result) == 50 + 3 |
| && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) |
| && strcmp (result + strlen (result) - 3, " 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1e+03 33") == 0 |
| || strcmp (result, "1e+003 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with no rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "999.95 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { /* Precision with rounding. */ |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1000 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the %n format directive. */ |
| |
| { |
| int count = -1; |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "123 ") == 0); |
| ASSERT (length == strlen (result)); |
| ASSERT (count == 4); |
| free (result); |
| } |
| |
| /* Test the support of the POSIX/XSI format strings with positions. */ |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "55 33") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the grouping flag. */ |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%'d %d", 1234567, 99); |
| ASSERT (result != NULL); |
| ASSERT (result[strlen (result) - 1] == '9'); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the left-adjust flag. */ |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "a%*sc", -3, "b"); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "ab c") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "a%-*sc", 3, "b"); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "ab c") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "a%-*sc", -3, "b"); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "ab c") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of large precision. */ |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| for (i = 0; i < 4000 - 7; i++) |
| ASSERT (result[i] == '0'); |
| ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| for (i = 0; i < 4000 - 7; i++) |
| ASSERT (result[i] == '0'); |
| ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| ASSERT (result[0] == '-'); |
| for (i = 0; i < 4000 - 7; i++) |
| ASSERT (result[1 + i] == '0'); |
| ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| for (i = 0; i < 4000 - 7; i++) |
| ASSERT (result[i] == '0'); |
| ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| for (i = 0; i < 4000 - 7; i++) |
| ASSERT (result[i] == '0'); |
| ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| for (i = 0; i < 4000 - 6; i++) |
| ASSERT (result[i] == '0'); |
| ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| ASSERT (result[0] == '0'); |
| ASSERT (result[1] == 'x'); |
| for (i = 0; i < 4000 - 6; i++) |
| ASSERT (result[2 + i] == '0'); |
| ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.4000f %d", 1.0, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| ASSERT (result[0] == '1'); |
| ASSERT (result[1] == '.'); |
| for (i = 0; i < 4000; i++) |
| ASSERT (result[2 + i] == '0'); |
| ASSERT (strcmp (result + 2 + 4000, " 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%.511f %d", 1.0, 99); |
| size_t i; |
| ASSERT (result != NULL); |
| ASSERT (result[0] == '1'); |
| ASSERT (result[1] == '.'); |
| for (i = 0; i < 511; i++) |
| ASSERT (result[2 + i] == '0'); |
| ASSERT (strcmp (result + 2 + 511, " 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| { |
| char input[5000]; |
| size_t length; |
| char *result; |
| size_t i; |
| |
| for (i = 0; i < sizeof (input) - 1; i++) |
| input[i] = 'a' + ((1000000 / (i + 1)) % 26); |
| input[i] = '\0'; |
| result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99); |
| ASSERT (result != NULL); |
| ASSERT (memcmp (result, input, 4000) == 0); |
| ASSERT (strcmp (result + 4000, " 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| |
| /* Test the support of the %s format directive. */ |
| |
| /* To verify that these tests succeed, it is necessary to run them under |
| a tool that checks against invalid memory accesses, such as ElectricFence |
| or "valgrind --tool=memcheck". */ |
| { |
| size_t i; |
| |
| for (i = 1; i <= 8; i++) |
| { |
| char *block; |
| size_t length; |
| char *result; |
| |
| block = (char *) malloc (i); |
| memcpy (block, "abcdefgh", i); |
| result = my_asnprintf (NULL, &length, "%.*s", (int) i, block); |
| ASSERT (result != NULL); |
| ASSERT (memcmp (result, block, i) == 0); |
| ASSERT (result[i] == '\0'); |
| ASSERT (length == strlen (result)); |
| free (result); |
| free (block); |
| } |
| } |
| #if HAVE_WCHAR_T |
| { |
| size_t i; |
| |
| for (i = 1; i <= 8; i++) |
| { |
| wchar_t *block; |
| size_t j; |
| size_t length; |
| char *result; |
| |
| block = (wchar_t *) malloc (i * sizeof (wchar_t)); |
| for (j = 0; j < i; j++) |
| block[j] = "abcdefgh"[j]; |
| result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block); |
| ASSERT (result != NULL); |
| ASSERT (memcmp (result, "abcdefgh", i) == 0); |
| ASSERT (result[i] == '\0'); |
| ASSERT (length == strlen (result)); |
| free (result); |
| free (block); |
| } |
| } |
| #endif |
| |
| #if HAVE_WCHAR_T |
| /* Test that converting an invalid wchar_t[] to char[] fails with EILSEQ. */ |
| { |
| static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; |
| size_t length; |
| char *result = my_asnprintf (NULL, &length, "%ls %d", input, 99); |
| if (result == NULL) |
| ASSERT (errno == EILSEQ); |
| else |
| free (result); |
| } |
| { |
| static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; |
| size_t length; |
| char *result = my_asnprintf (NULL, &length, "%3ls %d", input, 99); |
| if (result == NULL) |
| ASSERT (errno == EILSEQ); |
| else |
| free (result); |
| } |
| { |
| static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; |
| size_t length; |
| char *result = my_asnprintf (NULL, &length, "%.1ls %d", input, 99); |
| if (result == NULL) |
| ASSERT (errno == EILSEQ); |
| else |
| free (result); |
| } |
| { |
| static const wchar_t input[] = { (wchar_t) 1702057263, 114, 0 }; |
| size_t length; |
| char *result = my_asnprintf (NULL, &length, "%3.1ls %d", input, 99); |
| if (result == NULL) |
| ASSERT (errno == EILSEQ); |
| else |
| free (result); |
| } |
| #endif |
| |
| #if (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) && !defined __UCLIBC__ |
| /* Test that the 'I' flag is supported. */ |
| { |
| size_t length; |
| char *result = |
| my_asnprintf (NULL, &length, "%Id %d", 1234567, 99); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "1234567 99") == 0); |
| ASSERT (length == strlen (result)); |
| free (result); |
| } |
| #endif |
| } |
| |
| static char * |
| my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...) |
| { |
| va_list args; |
| char *ret; |
| |
| va_start (args, format); |
| ret = vasnprintf (resultbuf, lengthp, format, args); |
| va_end (args); |
| return ret; |
| } |
| |
| static void |
| test_vasnprintf () |
| { |
| test_function (my_asnprintf); |
| } |
| |
| static void |
| test_asnprintf () |
| { |
| test_function (asnprintf); |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| test_vasnprintf (); |
| test_asnprintf (); |
| return 0; |
| } |