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test-regex: isolate the bug test code
This is in preparation to turn test-regex into some generic regex testing command. Helped-by: Eric Sunshine <sunshine@sunshineco.com> Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -31,7 +31,7 @@ test_expect_success 'git_mkstemps_mode does not fail if fd 0 is not open' '
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test_expect_success 'check for a bug in the regex routines' '
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# if this test fails, re-build git with NO_REGEX=1
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test-regex
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test-regex --bug
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'
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test_done
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12
test-regex.c
12
test-regex.c
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@ -1,6 +1,6 @@
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#include "git-compat-util.h"
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int main(int argc, char **argv)
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static int test_regex_bug(void)
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{
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char *pat = "[^={} \t]+";
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char *str = "={}\nfred";
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@ -16,5 +16,13 @@ int main(int argc, char **argv)
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if (m[0].rm_so == 3) /* matches '\n' when it should not */
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die("regex bug confirmed: re-build git with NO_REGEX=1");
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exit(0);
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return 0;
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}
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int main(int argc, char **argv)
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{
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if (argc == 2 && !strcmp(argv[1], "--bug"))
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return test_regex_bug();
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else
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usage("test-regex --bug");
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}
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