diff options
Diffstat (limited to 'test/regex/tst-regex2.c')
| -rw-r--r-- | test/regex/tst-regex2.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/test/regex/tst-regex2.c b/test/regex/tst-regex2.c new file mode 100644 index 0000000..bb47d64 --- /dev/null +++ b/test/regex/tst-regex2.c @@ -0,0 +1,250 @@ +#define _GNU_SOURCE 1 + +#include <fcntl.h> +#include <locale.h> +#include <regex.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <time.h> +#include <unistd.h> +#include <errno.h> + +static int +do_test(void) +{ + static const char *pat[] = { + ".?.?.?.?.?.?.?Log\\.13", + "(.?)(.?)(.?)(.?)(.?)(.?)(.?)Log\\.13", + "((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))" + "((((((((((.?))))))))))((((((((((.?))))))))))((((((((((.?))))))))))" + "((((((((((.?))))))))))Log\\.13" + }; + char *buf, *string; + const char *fname = "tst-regex2.dat"; + struct stat st; + unsigned len; + int testno; + int exitcode = 0; + + int fd = open(fname, O_RDONLY); + if (fd < 0) { + printf("Couldn't open %s: %s\n", fname, strerror(errno)); + return 1; + } + if (fstat(fd, &st) < 0) { + printf("Couldn't fstat %s: %s\n", fname, strerror(errno)); + return 1; + } + len = st.st_size; + string = buf = malloc(len + 1); + if (buf == NULL) { + printf("Couldn't allocate %u bytes\n", len + 1); + return 1; + } + if (read(fd, buf, st.st_size) != (ssize_t) st.st_size) { + printf("Couldn't read %s\n", fname); + return 1; + } + + close(fd); + buf[len] = '\0'; + +#if defined __UCLIBC_HAS_XLOCALE__ || !defined __UCLIBC__ + setlocale(LC_ALL, "de_DE.UTF-8"); +#endif + + for (testno = 0; testno < 2; ++testno) { + int i; + for (i = 0; i < sizeof(pat) / sizeof(pat[0]); ++i) { + struct timeval start, stop; + regex_t rbuf; + int err; + + printf("test %d pattern %d '%s'\n", testno, i, pat[i]); + gettimeofday(&start, NULL); + + err = regcomp(&rbuf, pat[i], + REG_EXTENDED | (testno ? REG_NOSUB : 0)); + if (err != 0) { + char errstr[300]; + regerror(err, &rbuf, errstr, sizeof(errstr)); + puts(errstr); + exitcode = 1; + goto contin1; + } + + regmatch_t pmatch[71]; + err = regexec(&rbuf, string, 71, pmatch, 0); + if (err == REG_NOMATCH) { + puts("regexec failed"); + exitcode = 1; + goto contin1; + } + + if (testno == 0) { + if (pmatch[0].rm_eo != pmatch[0].rm_so + 13 + || pmatch[0].rm_eo > len + || pmatch[0].rm_so < len - 100 + || strncmp(string + pmatch[0].rm_so, + " ChangeLog.13 for earlier changes", + sizeof " ChangeLog.13 for earlier changes" - 1 + ) != 0 + ) { + puts("regexec without REG_NOSUB did not find the correct match"); + exitcode = 1; + goto contin1; + } + + if (i > 0) { + int j, k, l; + for (j = 0, l = 1; j < 7; ++j) { + for (k = 0; k < (i == 1 ? 1 : 10); ++k, ++l) { + if (pmatch[l].rm_so != pmatch[0].rm_so + j + || pmatch[l].rm_eo != pmatch[l].rm_so + 1 + ) { + printf("pmatch[%d] incorrect\n", l); + exitcode = 1; + goto contin1; + } + } + } + } + } + + gettimeofday(&stop, NULL); + stop.tv_sec -= start.tv_sec; + if (stop.tv_usec < start.tv_usec) { + stop.tv_sec--; + stop.tv_usec += 1000000; + } + stop.tv_usec -= start.tv_usec; + printf(" %lu.%06lus\n", (unsigned long) stop.tv_sec, + (unsigned long) stop.tv_usec); + contin1: + regfree(&rbuf); + } + } + + for (testno = 2; testno < 4; ++testno) { + int i; + for (i = 0; i < sizeof(pat) / sizeof(pat[0]); ++i) { + struct timeval start, stop; + struct re_pattern_buffer rpbuf; + struct re_registers regs; + const char *s; + int match; + + printf("test %d pattern %d '%s'\n", testno, i, pat[i]); + gettimeofday(&start, NULL); + + re_set_syntax(RE_SYNTAX_POSIX_EGREP + | (testno == 3 ? RE_NO_SUB : 0)); + memset(&rpbuf, 0, sizeof(rpbuf)); + s = re_compile_pattern(pat[i], strlen(pat[i]), &rpbuf); + if (s != NULL) { + printf("%s\n", s); + exitcode = 1; + goto contin2; + } + + memset(®s, 0, sizeof(regs)); + match = re_search(&rpbuf, string, len, 0, len, ®s); + if (match < 0) { + printf("re_search failed (err:%d)\n", match); + exitcode = 1; + goto contin2; + } + if (match + 13 > len) { + printf("re_search: match+13 > len (%d > %d)\n", match + 13, len); + exitcode = 1; + goto contin2; + } + if (match < len - 100) { + printf("re_search: match < len-100 (%d < %d)\n", match, len - 100); + exitcode = 1; + goto contin2; + } + if (strncmp(string + match, " ChangeLog.13 for earlier changes", + sizeof(" ChangeLog.13 for earlier changes") - 1 + ) != 0 + ) { + printf("re_search did not find the correct match" + "(found '%s' instead)\n", string + match); + exitcode = 1; + goto contin2; + } + + if (testno == 2) { + int expected = 72; + if (i == 0) + expected = 2; + if (i == 1) + expected = 9; + if (regs.num_regs != expected) { + printf("incorrect num_regs %d, expected %d\n", regs.num_regs, expected); + exitcode = 1; + goto contin2; + } + if (regs.start[0] != match || regs.end[0] != match + 13) { + printf("incorrect regs.{start,end}[0] = { %d, %d }," + " expected { %d, %d }\n", + regs.start[0], regs.end[0], + match, match + 13 + ); + exitcode = 1; + goto contin2; + } + if (regs.start[regs.num_regs - 1] != -1 + || regs.end[regs.num_regs - 1] != -1 + ) { + printf("incorrect regs.{start,end}[num_regs - 1] = { %d, %d }," + " expected { -1, -1 }\n", + regs.start[regs.num_regs - 1], regs.end[regs.num_regs - 1] + ); + exitcode = 1; + goto contin2; + } + + if (i > 0) { + int j, k, l; + for (j = 0, l = 1; j < 7; ++j) { + for (k = 0; k < (i == 1 ? 1 : 10); ++k, ++l) { + if (regs.start[l] != match + j + || regs.end[l] != match + j + 1 + ) { + printf("incorrect regs.{start,end}[%d] = { %d, %d }," + " expected { %d, %d }\n", + l, + regs.start[l], regs.end[l], + match + j, match + j + 1 + ); + exitcode = 1; + goto contin2; + } + } + } + } + } + + gettimeofday(&stop, NULL); + stop.tv_sec -= start.tv_sec; + if (stop.tv_usec < start.tv_usec) { + stop.tv_sec--; + stop.tv_usec += 1000000; + } + stop.tv_usec -= start.tv_usec; + printf(" %lu.%06lus\n", (unsigned long) stop.tv_sec, + (unsigned long) stop.tv_usec); + contin2: + regfree(&rpbuf); + } + } + return exitcode; +} + +#define TIMEOUT 100 +#define TEST_FUNCTION do_test() +#include "../test-skeleton.c" |