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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-01-17 14:43:55 +0000 |
commit | 2de9abc5c9d40b3c716307d67d16146f823fd554 (patch) | |
tree | 6979db67934ddc8b564150b465846a383b428ff8 /gnulib/tests/test-mbsstr1.c | |
parent | 33cc1c6fda6e72a7bae1401e9b2cec495a4d3ff1 (diff) | |
download | patch-2de9abc5c9d40b3c716307d67d16146f823fd554.tar.gz |
add the output of bootstrapbaserock/bootstrap-pass2baserock/bootstrap
Diffstat (limited to 'gnulib/tests/test-mbsstr1.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/tests/test-mbsstr1.c | 128 |
2 files changed, 128 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/tests/test-mbsstr1.c b/gnulib/tests/test-mbsstr1.c new file mode 100644 index 0000000..8701d81 --- /dev/null +++ b/gnulib/tests/test-mbsstr1.c @@ -0,0 +1,128 @@ +/* Test of searching in a string. + Copyright (C) 2007-2011 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>, 2007. */ + +#include <config.h> + +#include <string.h> + +#include <stdlib.h> + +#include "macros.h" + +int +main () +{ + /* This test is executed in the C locale. */ + + { + const char input[] = "foo"; + const char *result = mbsstr (input, ""); + ASSERT (result == input); + } + + { + const char input[] = "foo"; + const char *result = mbsstr (input, "o"); + ASSERT (result == input + 1); + } + + { + const char input[] = "ABC ABCDAB ABCDABCDABDE"; + const char *result = mbsstr (input, "ABCDABD"); + ASSERT (result == input + 15); + } + + { + const char input[] = "ABC ABCDAB ABCDABCDABDE"; + const char *result = mbsstr (input, "ABCDABE"); + ASSERT (result == NULL); + } + + /* Check that a very long haystack is handled quickly if the needle is + short and occurs near the beginning. */ + { + size_t repeat = 10000; + size_t m = 1000000; + const char *needle = + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"; + char *haystack = (char *) malloc (m + 1); + if (haystack != NULL) + { + memset (haystack, 'A', m); + haystack[0] = 'B'; + haystack[m] = '\0'; + + for (; repeat > 0; repeat--) + { + ASSERT (mbsstr (haystack, needle) == haystack + 1); + } + + free (haystack); + } + } + + /* Check that a very long needle is discarded quickly if the haystack is + short. */ + { + size_t repeat = 10000; + size_t m = 1000000; + const char *haystack = + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA" + "ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB"; + char *needle = (char *) malloc (m + 1); + if (needle != NULL) + { + memset (needle, 'A', m); + needle[m] = '\0'; + + for (; repeat > 0; repeat--) + { + ASSERT (mbsstr (haystack, needle) == NULL); + } + + free (needle); + } + } + + /* Check that the asymptotic worst-case complexity is not quadratic. */ + { + size_t m = 1000000; + char *haystack = (char *) malloc (2 * m + 2); + char *needle = (char *) malloc (m + 2); + if (haystack != NULL && needle != NULL) + { + const char *result; + + memset (haystack, 'A', 2 * m); + haystack[2 * m] = 'B'; + haystack[2 * m + 1] = '\0'; + + memset (needle, 'A', m); + needle[m] = 'B'; + needle[m + 1] = '\0'; + + result = mbsstr (haystack, needle); + ASSERT (result == haystack + m); + } + free (needle); + free (haystack); + } + + return 0; +} |