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1def33e0d8
* tests/**/*.[hc]: Use streq instead of strcmp. * modules/*-tests (Dependencies): Add streq.
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* Test of multibyte character I/O.
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Copyright (C) 2023-2026 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>, 2023. */
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#include <config.h>
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#include "mbfile.h"
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#include <locale.h>
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#include <string.h>
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#include "localcharset.h"
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#include "macros.h"
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int
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main ()
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{
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/* Switch to an UTF-8 locale. */
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if (!(setlocale (LC_ALL, "en_US.UTF-8") != NULL
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/* Check whether it's really an UTF-8 locale.
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On native Windows, this setlocale call succeeds but the encoding
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of this locale is CP1252, not UTF-8. */
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&& streq (locale_charset (), "UTF-8")))
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{
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fprintf (stderr, "Skipping test: English Unicode locale is not installed\n");
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return 77;
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}
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mb_file_t mbstdin;
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mbf_init (mbstdin, stdin);
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/* The input consists of 4 UTF-8 characters:
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'$', U+00A5, U+20AC, U+0001F403. */
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mbf_char_t next;
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mbf_char_t prev;
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mbf_getc (next, mbstdin);
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ASSERT (!mb_iseof (next));
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ASSERT (mb_len (next) == 1);
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ASSERT (mb_iseq (next, 0x0024));
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mbf_getc (next, mbstdin);
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ASSERT (!mb_iseof (next));
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ASSERT (mb_len (next) == 2);
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ASSERT (mb_iseq (next, 0x00A5));
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mbf_getc (next, mbstdin);
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ASSERT (!mb_iseof (next));
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ASSERT (mb_len (next) == 3);
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ASSERT (mb_iseq (next, 0x20AC));
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mbf_getc (next, mbstdin);
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ASSERT (!mb_iseof (next));
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ASSERT (mb_len (next) == 4);
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ASSERT (mb_iseq (next, 0x1F403));
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mb_copy (&prev, &next);
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mbf_getc (next, mbstdin);
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ASSERT (mb_iseof (next));
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/* Even at EOF, we need to be able to push back 2 characters. */
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mbf_ungetc (next, mbstdin);
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mbf_ungetc (prev, mbstdin);
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mbf_char_t renext;
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mbf_getc (renext, mbstdin);
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ASSERT (!mb_iseof (renext));
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ASSERT (mb_len (renext) == 4);
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ASSERT (mb_iseq (renext, 0x1F403));
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mbf_getc (renext, mbstdin);
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ASSERT (mb_iseof (renext));
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return test_exit_status;
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}
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