| /* Test of u16_uctomb() function. |
| Copyright (C) 2010-2020 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>, 2010. */ |
| |
| #include <config.h> |
| |
| #include "unistr.h" |
| |
| #include "macros.h" |
| |
| #define MAGIC 0xBADE |
| |
| int |
| main () |
| { |
| /* Test ISO 646 character, in particular the NUL character. */ |
| { |
| ucs4_t uc; |
| |
| for (uc = 0; uc < 0x80; uc++) |
| { |
| uint16_t buf[3] = { MAGIC, MAGIC, MAGIC }; |
| int ret; |
| |
| ret = u16_uctomb (buf, uc, 0); |
| ASSERT (ret == -2); |
| ASSERT (buf[0] == MAGIC); |
| |
| ret = u16_uctomb (buf, uc, 1); |
| ASSERT (ret == 1); |
| ASSERT (buf[0] == uc); |
| ASSERT (buf[1] == MAGIC); |
| } |
| } |
| |
| /* Test BMP character. */ |
| { |
| ucs4_t uc = 0x20AC; |
| uint16_t buf[3] = { MAGIC, MAGIC, MAGIC }; |
| int ret; |
| |
| ret = u16_uctomb (buf, uc, 0); |
| ASSERT (ret == -2); |
| ASSERT (buf[0] == MAGIC); |
| |
| ret = u16_uctomb (buf, uc, 1); |
| ASSERT (ret == 1); |
| ASSERT (buf[0] == uc); |
| ASSERT (buf[1] == MAGIC); |
| } |
| |
| /* Test non-BMP character. */ |
| { |
| ucs4_t uc = 0x10FFFD; |
| uint16_t buf[3] = { MAGIC, MAGIC, MAGIC }; |
| int ret; |
| |
| ret = u16_uctomb (buf, uc, 0); |
| ASSERT (ret == -2); |
| ASSERT (buf[0] == MAGIC); |
| |
| ret = u16_uctomb (buf, uc, 1); |
| ASSERT (ret == -2); |
| ASSERT (buf[0] == MAGIC); |
| |
| ret = u16_uctomb (buf, uc, 2); |
| ASSERT (ret == 2); |
| ASSERT (buf[0] == 0xDBFF); |
| ASSERT (buf[1] == 0xDFFD); |
| ASSERT (buf[2] == MAGIC); |
| } |
| |
| /* Test invalid characters. */ |
| { |
| ucs4_t invalid[] = { 0x110000, 0xD800, 0xDBFF, 0xDC00, 0xDFFF }; |
| uint16_t buf[3] = { MAGIC, MAGIC, MAGIC }; |
| size_t i; |
| |
| for (i = 0; i < SIZEOF (invalid); i++) |
| { |
| ucs4_t uc = invalid[i]; |
| int n; |
| |
| for (n = 0; n <= 2; n++) |
| { |
| int ret = u16_uctomb (buf, uc, n); |
| ASSERT (ret == -1); |
| ASSERT (buf[0] == MAGIC); |
| ASSERT (buf[1] == MAGIC); |
| ASSERT (buf[2] == MAGIC); |
| } |
| } |
| } |
| |
| return 0; |
| } |