| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <inttypes.h> |
| |
| #include <errno.h> |
| #include <gtest/gtest.h> |
| #include <stdio.h> |
| |
| #define PRINTF_TYPED(FMT_SUFFIX, TYPE_SUFFIX) \ |
| do { \ |
| char buf[512]; \ |
| memset(buf, 0, sizeof(buf)); \ |
| snprintf(buf, sizeof(buf), "%" PRId##FMT_SUFFIX, int##TYPE_SUFFIX(123)); \ |
| EXPECT_STREQ("123", buf); \ |
| memset(buf, 0, sizeof(buf)); \ |
| snprintf(buf, sizeof(buf), "%" PRIi##FMT_SUFFIX, int##TYPE_SUFFIX(123)); \ |
| EXPECT_STREQ("123", buf); \ |
| memset(buf, 0, sizeof(buf)); \ |
| snprintf(buf, sizeof(buf), "%" PRIo##FMT_SUFFIX, int##TYPE_SUFFIX(123)); \ |
| EXPECT_STREQ("173", buf); \ |
| memset(buf, 0, sizeof(buf)); \ |
| snprintf(buf, sizeof(buf), "%" PRIu##FMT_SUFFIX, uint##TYPE_SUFFIX(123)); \ |
| EXPECT_STREQ("123", buf); \ |
| memset(buf, 0, sizeof(buf)); \ |
| snprintf(buf, sizeof(buf), "%" PRIx##FMT_SUFFIX, uint##TYPE_SUFFIX(123)); \ |
| EXPECT_STREQ("7b", buf); \ |
| memset(buf, 0, sizeof(buf)); \ |
| snprintf(buf, sizeof(buf), "%" PRIX##FMT_SUFFIX, uint##TYPE_SUFFIX(123)); \ |
| EXPECT_STREQ("7B", buf); \ |
| } while (false) \ |
| |
| #define PRINTF_SIZED(WIDTH) \ |
| PRINTF_TYPED(WIDTH, WIDTH##_t); \ |
| PRINTF_TYPED(FAST##WIDTH, _fast##WIDTH##_t); \ |
| PRINTF_TYPED(LEAST##WIDTH, _least##WIDTH##_t) \ |
| |
| |
| #define SCANF_TYPED(FMT_SUFFIX, TYPE_SUFFIX) \ |
| do { \ |
| int##TYPE_SUFFIX dst_int##TYPE_SUFFIX = 0; \ |
| uint##TYPE_SUFFIX dst_uint##TYPE_SUFFIX = 0u; \ |
| \ |
| sscanf("123", "%" SCNd##FMT_SUFFIX, &dst_int##TYPE_SUFFIX); \ |
| EXPECT_EQ(123, dst_int##TYPE_SUFFIX); \ |
| dst_int##TYPE_SUFFIX = 0; \ |
| sscanf("123", "%" SCNi##FMT_SUFFIX, &dst_int##TYPE_SUFFIX); \ |
| EXPECT_EQ(123, dst_int##TYPE_SUFFIX); \ |
| dst_int##TYPE_SUFFIX = 0; \ |
| sscanf("173", "%" SCNo##FMT_SUFFIX, &dst_int##TYPE_SUFFIX); \ |
| EXPECT_EQ(123, dst_int##TYPE_SUFFIX); \ |
| dst_int##TYPE_SUFFIX = 0; \ |
| sscanf("123", "%" SCNu##FMT_SUFFIX, &dst_uint##TYPE_SUFFIX); \ |
| EXPECT_EQ(123u, dst_uint##TYPE_SUFFIX); \ |
| dst_uint##TYPE_SUFFIX = 0; \ |
| sscanf("7B", "%" SCNx##FMT_SUFFIX, &dst_uint##TYPE_SUFFIX); \ |
| EXPECT_EQ(123u, dst_uint##TYPE_SUFFIX); \ |
| dst_uint##TYPE_SUFFIX = 0; \ |
| } while (false) \ |
| |
| #define SCANF_SIZED(SIZE) \ |
| SCANF_TYPED(SIZE, SIZE##_t); \ |
| SCANF_TYPED(FAST##SIZE, _fast##SIZE##_t); \ |
| SCANF_TYPED(LEAST##SIZE, _least##SIZE##_t) \ |
| |
| |
| TEST(inttypes, printf_macros) { |
| PRINTF_SIZED(8); |
| PRINTF_SIZED(16); |
| PRINTF_SIZED(32); |
| PRINTF_SIZED(64); |
| |
| PRINTF_TYPED(MAX, max_t); |
| PRINTF_TYPED(PTR, ptr_t); |
| } |
| |
| TEST(inttypes, scanf_macros) { |
| SCANF_SIZED(8); |
| SCANF_SIZED(16); |
| SCANF_SIZED(32); |
| SCANF_SIZED(64); |
| |
| SCANF_TYPED(MAX, max_t); |
| SCANF_TYPED(PTR, ptr_t); |
| } |
| |
| TEST(inttypes, wcstoimax) { |
| wchar_t* end = nullptr; |
| EXPECT_EQ(123, wcstoimax(L" +123x", &end, 10)); |
| EXPECT_EQ(L'x', *end); |
| } |
| |
| TEST(inttypes, wcstoumax) { |
| wchar_t* end = nullptr; |
| EXPECT_EQ(123U, wcstoumax(L" +123x", &end, 10)); |
| EXPECT_EQ(L'x', *end); |
| } |
| |
| TEST(inttypes, strtoimax_dec) { |
| char* p; |
| EXPECT_EQ(-18737357, strtoimax("-18737357foobar12", &p, 10)); |
| EXPECT_STREQ("foobar12", p); |
| } |
| |
| TEST(inttypes, strtoimax_hex) { |
| char* p; |
| EXPECT_EQ(-0x18737357f, strtoimax("-18737357foobar12", &p, 16)); |
| EXPECT_STREQ("oobar12", p); |
| } |
| |
| TEST(inttypes, strtoimax_EINVAL) { |
| errno = 0; |
| strtoimax("123", NULL, -1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| strtoimax("123", NULL, 1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| strtoimax("123", NULL, 37); |
| ASSERT_EQ(EINVAL, errno); |
| } |
| |
| TEST(inttypes, strtoumax_dec) { |
| char* p; |
| EXPECT_EQ(18737357U, strtoumax("18737357foobar12", &p, 10)); |
| EXPECT_STREQ("foobar12", p); |
| } |
| |
| TEST(inttypes, strtoumax_hex) { |
| char* p; |
| EXPECT_EQ(0x18737357fU, strtoumax("18737357foobar12", &p, 16)); |
| EXPECT_STREQ("oobar12", p); |
| } |
| |
| TEST(inttypes, strtoumax_negative) { |
| char* p; |
| EXPECT_EQ(UINTMAX_MAX - 18737357 + 1, strtoumax("-18737357foobar12", &p, 10)); |
| EXPECT_STREQ("foobar12", p); |
| } |
| |
| TEST(inttypes, strtoumax_EINVAL) { |
| errno = 0; |
| strtoumax("123", NULL, -1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| strtoumax("123", NULL, 1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| strtoumax("123", NULL, 37); |
| ASSERT_EQ(EINVAL, errno); |
| } |
| |
| TEST(inttypes, wcstoimax_EINVAL) { |
| errno = 0; |
| wcstoimax(L"123", NULL, -1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| wcstoimax(L"123", NULL, 1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| wcstoimax(L"123", NULL, 37); |
| ASSERT_EQ(EINVAL, errno); |
| } |
| |
| TEST(inttypes, wcstoumax_EINVAL) { |
| errno = 0; |
| wcstoumax(L"123", NULL, -1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| wcstoumax(L"123", NULL, 1); |
| ASSERT_EQ(EINVAL, errno); |
| errno = 0; |
| wcstoumax(L"123", NULL, 37); |
| ASSERT_EQ(EINVAL, errno); |
| } |
| |
| TEST(inttypes, div) { |
| div_t r; |
| |
| r = div(5, 3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = div(5, -3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = div(-5, 3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| |
| r = div(-5, -3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| } |
| |
| TEST(inttypes, ldiv) { |
| ldiv_t r; |
| |
| r = ldiv(5, 3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = ldiv(5, -3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = ldiv(-5, 3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| |
| r = ldiv(-5, -3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| } |
| |
| TEST(inttypes, lldiv) { |
| lldiv_t r; |
| |
| r = lldiv(5, 3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = lldiv(5, -3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = lldiv(-5, 3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| |
| r = lldiv(-5, -3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| } |
| |
| TEST(inttypes, imaxdiv) { |
| imaxdiv_t r; |
| |
| r = imaxdiv(5, 3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = imaxdiv(5, -3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(2, r.rem); |
| |
| r = imaxdiv(-5, 3); |
| EXPECT_EQ(-1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| |
| r = imaxdiv(-5, -3); |
| EXPECT_EQ(1, r.quot); |
| EXPECT_EQ(-2, r.rem); |
| } |
| |
| TEST(inttypes, imaxabs) { |
| EXPECT_EQ(672423489, imaxabs(672423489)); |
| EXPECT_EQ(672423489, imaxabs(-672423489)); |
| EXPECT_EQ(INTMAX_MAX, imaxabs(-INTMAX_MAX)); |
| EXPECT_EQ(INTMAX_MAX, imaxabs(INTMAX_MAX)); |
| } |