158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
/* Test of u8_uctomb() function.
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Copyright (C) 2010-2021 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2010. */
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#include <config.h>
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#include "unistr.h"
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#include "macros.h"
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#define MAGIC 0xBA
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int
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main ()
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{
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/* Test ISO 646 character, in particular the NUL character. */
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{
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ucs4_t uc;
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for (uc = 0; uc < 0x80; uc++)
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{
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uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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int ret;
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ret = u8_uctomb (buf, uc, 0);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ret = u8_uctomb (buf, uc, 1);
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ASSERT (ret == 1);
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ASSERT (buf[0] == uc);
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ASSERT (buf[1] == MAGIC);
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}
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}
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/* Test 2-byte character. */
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{
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ucs4_t uc = 0x00D7;
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uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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int ret;
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ret = u8_uctomb (buf, uc, 0);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ret = u8_uctomb (buf, uc, 1);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ret = u8_uctomb (buf, uc, 2);
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ASSERT (ret == 2);
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ASSERT (buf[0] == 0xC3);
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ASSERT (buf[1] == 0x97);
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ASSERT (buf[2] == MAGIC);
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}
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/* Test 3-byte character. */
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{
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ucs4_t uc = 0x20AC;
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uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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int ret;
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ret = u8_uctomb (buf, uc, 0);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ret = u8_uctomb (buf, uc, 1);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ret = u8_uctomb (buf, uc, 2);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ASSERT (buf[1] == MAGIC);
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ret = u8_uctomb (buf, uc, 3);
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ASSERT (ret == 3);
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ASSERT (buf[0] == 0xE2);
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ASSERT (buf[1] == 0x82);
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ASSERT (buf[2] == 0xAC);
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ASSERT (buf[3] == MAGIC);
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}
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/* Test 4-byte character. */
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{
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ucs4_t uc = 0x10FFFD;
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uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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int ret;
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ret = u8_uctomb (buf, uc, 0);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ret = u8_uctomb (buf, uc, 1);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ret = u8_uctomb (buf, uc, 2);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ASSERT (buf[1] == MAGIC);
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ret = u8_uctomb (buf, uc, 3);
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ASSERT (ret == -2);
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ASSERT (buf[0] == MAGIC);
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ASSERT (buf[1] == MAGIC);
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ASSERT (buf[2] == MAGIC);
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ret = u8_uctomb (buf, uc, 4);
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ASSERT (ret == 4);
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ASSERT (buf[0] == 0xF4);
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ASSERT (buf[1] == 0x8F);
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ASSERT (buf[2] == 0xBF);
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ASSERT (buf[3] == 0xBD);
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ASSERT (buf[4] == MAGIC);
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}
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/* Test invalid characters. */
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{
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ucs4_t invalid[] = { 0x110000, 0xD800, 0xDBFF, 0xDC00, 0xDFFF };
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uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC };
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size_t i;
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for (i = 0; i < SIZEOF (invalid); i++)
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{
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ucs4_t uc = invalid[i];
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int n;
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for (n = 0; n <= 4; n++)
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{
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int ret = u8_uctomb (buf, uc, n);
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ASSERT (ret == -1);
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ASSERT (buf[0] == MAGIC);
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ASSERT (buf[1] == MAGIC);
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ASSERT (buf[2] == MAGIC);
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ASSERT (buf[3] == MAGIC);
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ASSERT (buf[4] == MAGIC);
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}
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}
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}
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return 0;
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}
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