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Diffstat (limited to 'tests/portable/snprintf-t.c')
| -rw-r--r-- | tests/portable/snprintf-t.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/tests/portable/snprintf-t.c b/tests/portable/snprintf-t.c new file mode 100644 index 0000000..9159fcf --- /dev/null +++ b/tests/portable/snprintf-t.c @@ -0,0 +1,197 @@ +/* $Id$ */ +/* snprintf test suite. */ + +/* Copyright (c) 2004, 2005, 2006 + by Internet Systems Consortium, Inc. ("ISC") + Copyright (c) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, + 2002, 2003 by The Internet Software Consortium and Rich Salz + + This code is derived from software contributed to the Internet Software + Consortium by Rich Salz. + + Permission to use, copy, modify, and distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY + SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ + +#include <config.h> +#include <system.h> + +#include <tests/libtest.h> + +int test_snprintf(char *str, size_t count, const char *fmt, ...); +int test_vsnprintf(char *str, size_t count, const char *fmt, va_list args); + +static const char string[] = "abcdefghijklmnopqrstuvwxyz0123456789"; + +static const char *const fp_formats[] = { + "%-1.5f", "%1.5f", "%31.9f", "%10.5f", "% 10.5f", "%+22.9f", + "%+4.9f", "%01.3f", "%3.1f", "%3.2f", "%.0f", "%.1f", + "%f", + + /* %e and %g formats aren't really implemented yet. */ +#if 0 + "%-1.5e", "%1.5e", "%31.9e", "%10.5e", "% 10.5e", "%+22.9e", + "%+4.9e", "%01.3e", "%3.1e", "%3.2e", "%.0e", "%.1e", + "%e", + "%-1.5g", "%1.5g", "%31.9g", "%10.5g", "% 10.5g", "%+22.9g", + "%+4.9g", "%01.3g", "%3.1g", "%3.2g", "%.0g", "%.1g", + "%g", +#endif + NULL +}; +static const char *const int_formats[] = { + "%-1.5d", "%1.5d", "%31.9d", "%5.5d", "%10.5d", "% 10.5d", + "%+22.30d", "%01.3d", "%4d", "%d", "%ld", NULL +}; +static const char *const uint_formats[] = { + "%-1.5lu", "%1.5lu", "%31.9lu", "%5.5lu", "%10.5lu", "% 10.5lu", + "%+6.30lu", "%01.3lu", "%4lu", "%lu", "%4lx", "%4lX", + "%01.3lx", "%1lo", NULL +}; +static const char *const llong_formats[] = { + "%lld", "%-1.5lld", "%1.5lld", "%123.9lld", "%5.5lld", + "%10.5lld", "% 10.5lld", "%+22.33lld", "%01.3lld", "%4lld", + NULL +}; +static const char *const ullong_formats[] = { + "%llu", "%-1.5llu", "%1.5llu", "%123.9llu", "%5.5llu", + "%10.5llu", "% 10.5llu", "%+22.33llu", "%01.3llu", "%4llu", + "%llx", "%llo", NULL +}; + +static const double fp_nums[] = { + -1.5, 134.21, 91340.2, 341.1234, 0203.9, 0.96, 0.996, 0.9996, 1.996, + 4.136, 0.1, 0.01, 0.001, 10.1, 0 +}; +static long int_nums[] = { + -1, 134, 91340, 341, 0203, 0 +}; +static unsigned long uint_nums[] = { + (unsigned long) -1, 134, 91340, 341, 0203, 0 +}; +static long long llong_nums[] = { + ~(long long) 0, /* All-1 bit pattern. */ + (~(unsigned long long) 0) >> 1, /* Largest signed long long. */ + -150, 134, 91340, 341, + 0 +}; +static unsigned long long ullong_nums[] = { + ~(unsigned long long) 0, /* All-1 bit pattern. */ + (~(unsigned long long) 0) >> 1, /* Largest signed long long. */ + 134, 91340, 341, + 0 +}; + +static void +test_format(int n, int truncate, const char *expected, int count, + const char *format, ...) +{ + char buf[128]; + int result; + va_list args; + + va_start(args, format); + result = test_vsnprintf(buf, truncate ? 32 : sizeof(buf), format, args); + va_end(args); + if (!strcmp(buf, expected) && result == count) { + printf("ok %d\n", n); + } else { + printf("not ok %d\n", n); + printf(" format: %s\n", format); + if (strcmp(buf, expected)) + printf(" saw: %s\n want: %s\n", buf, expected); + if (result != count) + printf(" %d != %d\n", result, count); + } +} + +int +main(void) +{ + int n, i, count; + unsigned int j; + long lcount; + char lgbuf[128]; + + test_init((26 + (ARRAY_SIZE(fp_formats) - 1) * ARRAY_SIZE(fp_nums) + + (ARRAY_SIZE(int_formats) - 1) * ARRAY_SIZE(int_nums) + + (ARRAY_SIZE(uint_formats) - 1) * ARRAY_SIZE(uint_nums) + + (ARRAY_SIZE(llong_formats) - 1) * ARRAY_SIZE(llong_nums) + + (ARRAY_SIZE(ullong_formats) - 1) * ARRAY_SIZE(ullong_nums))); + + ok(1, test_snprintf(NULL, 0, "%s", "abcd") == 4); + ok(2, test_snprintf(NULL, 0, "%d", 20) == 2); + ok(3, test_snprintf(NULL, 0, "Test %.2s", "abcd") == 7); + ok(4, test_snprintf(NULL, 0, "%c", 'a') == 1); + ok(5, test_snprintf(NULL, 0, "") == 0); + + test_format(6, 1, "abcd", 4, "%s", "abcd"); + test_format(7, 1, "20", 2, "%d", 20); + test_format(8, 1, "Test ab", 7, "Test %.2s", "abcd"); + test_format(9, 1, "a", 1, "%c", 'a'); + test_format(10, 1, "", 0, ""); + test_format(11, 1, "abcdefghijklmnopqrstuvwxyz01234", 36, "%s", + string); + test_format(12, 1, "abcdefghij", 10, "%.10s", string); + test_format(13, 1, " abcdefghij", 12, "%12.10s", string); + test_format(14, 1, " abcdefghijklmnopqrstuvwxyz0", 40, "%40s", + string); + test_format(15, 1, "abcdefghij ", 14, "%-14.10s", string); + test_format(16, 1, " abcdefghijklmnopq", 50, "%50s", + string); + test_format(17, 1, "%abcd%", 6, "%%%0s%%", "abcd"); + test_format(18, 1, "", 0, "%.0s", string); + test_format(19, 1, "abcdefghijklmnopqrstuvwxyz 444", 32, "%.26s %d", + string, 4444); + test_format(20, 1, "abcdefghijklmnopqrstuvwxyz -2.", 32, + "%.26s %.1f", string, -2.5); + test_format(21, 1, "abcdefghij4444", 14, "%.10s%n%d", string, &count, + 4444); + ok(22, count == 10); + test_format(23, 1, "abcdefghijklmnopqrstuvwxyz01234", 36, "%n%s%ln", + &count, string, &lcount); + ok(24, count == 0); + ok(25, lcount == 31); + test_format(26, 1, "(null)", 6, "%s", NULL); + + n = 26; + for (i = 0; fp_formats[i] != NULL; i++) + for (j = 0; j < ARRAY_SIZE(fp_nums); j++) { + count = sprintf(lgbuf, fp_formats[i], fp_nums[j]); + test_format(++n, 0, lgbuf, count, fp_formats[i], fp_nums[j]); + } + for (i = 0; int_formats[i] != NULL; i++) + for (j = 0; j < ARRAY_SIZE(int_nums); j++) { + count = sprintf(lgbuf, int_formats[i], int_nums[j]); + test_format(++n, 0, lgbuf, count, int_formats[i], + int_nums[j]); + } + for (i = 0; uint_formats[i] != NULL; i++) + for (j = 0; j < ARRAY_SIZE(uint_nums); j++) { + count = sprintf(lgbuf, uint_formats[i], uint_nums[j]); + test_format(++n, 0, lgbuf, count, uint_formats[i], + uint_nums[j]); + } + for (i = 0; llong_formats[i] != NULL; i++) + for (j = 0; j < ARRAY_SIZE(llong_nums); j++) { + count = sprintf(lgbuf, llong_formats[i], llong_nums[j]); + test_format(++n, 0, lgbuf, count, llong_formats[i], + llong_nums[j]); + } + for (i = 0; ullong_formats[i] != NULL; i++) + for (j = 0; j < ARRAY_SIZE(ullong_nums); j++) { + count = sprintf(lgbuf, ullong_formats[i], ullong_nums[j]); + test_format(++n, 0, lgbuf, count, ullong_formats[i], + ullong_nums[j]); + } + + return 0; +} |