Mercurial > hg > octave-kai > gnulib-hg
changeset 12685:33c24fb124f9
Tests for module 'unistr/u16-prev'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 10 Jan 2010 19:20:03 +0100 |
parents | 2b229a5f72d1 |
children | d6c24bc7a541 |
files | ChangeLog modules/unistr/u16-prev-tests tests/unistr/test-u16-prev.c |
diffstat | 3 files changed, 191 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2010-01-10 Bruno Haible <bruno@clisp.org> + Tests for module 'unistr/u16-prev'. + * modules/unistr/u16-prev-tests: New file. + * tests/unistr/test-u16-prev.c: New file. + Tests for module 'unistr/u8-prev'. * modules/unistr/u8-prev-tests: New file. * tests/unistr/test-u8-prev.c: New file.
new file mode 100644 --- /dev/null +++ b/modules/unistr/u16-prev-tests @@ -0,0 +1,12 @@ +Files: +tests/unistr/test-u16-prev.c +tests/macros.h + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-u16-prev +check_PROGRAMS += test-u16-prev +test_u16_prev_SOURCES = unistr/test-u16-prev.c
new file mode 100644 --- /dev/null +++ b/tests/unistr/test-u16-prev.c @@ -0,0 +1,175 @@ +/* Test of u16_prev() function. + Copyright (C) 2010 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 <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2010. */ + +#include <config.h> + +#include "unistr.h" + +#include "macros.h" + +static int +check (const uint16_t *input, size_t input_length, ucs4_t *puc) +{ + ucs4_t uc; + + /* Test recognition when at the beginning of the string. */ + if (u16_prev (&uc, input + input_length, input) != input) + return 1; + + /* Test recognition when preceded by a 1-unit character. */ + { + uint16_t buf[100]; + uint16_t *ptr; + size_t i; + ucs4_t uc1; + + ptr = buf; + *ptr++ = 0x2102; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + if (u16_prev (&uc1, ptr + input_length, buf) != ptr) + return 2; + if (uc1 != uc) + return 3; + } + + /* Test recognition when preceded by a 2-unit character. */ + { + uint16_t buf[100]; + uint16_t *ptr; + size_t i; + ucs4_t uc1; + + ptr = buf; + *ptr++ = 0xD835; + *ptr++ = 0xDD1E; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + if (u16_prev (&uc1, ptr + input_length, buf) != ptr) + return 4; + if (uc1 != uc) + return 5; + } + + *puc = uc; + return 0; +} + +static int +check_invalid (const uint16_t *input, size_t input_length) +{ + ucs4_t uc; + + /* Test recognition when at the beginning of the string. */ + uc = 0xBADFACE; + if (u16_prev (&uc, input + input_length, input) != NULL) + return 1; + if (uc != 0xBADFACE) + return 2; + +#if CONFIG_UNICODE_SAFETY + /* Test recognition when preceded by a 1-unit character. */ + { + uint16_t buf[100]; + uint16_t *ptr; + size_t i; + + ptr = buf; + *ptr++ = 0x2102; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + uc = 0xBADFACE; + if (u16_prev (&uc, ptr + input_length, buf) != NULL) + return 3; + if (uc != 0xBADFACE) + return 4; + } + + /* Test recognition when preceded by a 2-unit character. */ + { + uint16_t buf[100]; + uint16_t *ptr; + size_t i; + + ptr = buf; + *ptr++ = 0xD835; + *ptr++ = 0xDD1E; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + uc = 0xBADFACE; + if (u16_prev (&uc, ptr + input_length, buf) != NULL) + return 5; + if (uc != 0xBADFACE) + return 6; + } +#endif + + return 0; +} + +int +main () +{ + ucs4_t uc; + + /* Test ISO 646 unit input. */ + { + ucs4_t c; + uint16_t buf[1]; + + for (c = 0; c < 0x80; c++) + { + buf[0] = c; + uc = 0xBADFACE; + ASSERT (check (buf, 1, &uc) == 0); + ASSERT (uc == c); + } + } + + /* Test BMP unit input. */ + { + static const uint16_t input[] = { 0x20AC }; + uc = 0xBADFACE; + ASSERT (check (input, SIZEOF (input), &uc) == 0); + ASSERT (uc == 0x20AC); + } + + /* Test 2-units character input. */ + { + static const uint16_t input[] = { 0xD835, 0xDD1F }; + uc = 0xBADFACE; + ASSERT (check (input, SIZEOF (input), &uc) == 0); + ASSERT (uc == 0x1D51F); + } + + /* Test incomplete/invalid 1-unit input. */ + { + static const uint16_t input[] = { 0xD835 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint16_t input[] = { 0xDD1F }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + + return 0; +}