112 lines
2.1 KiB
C
112 lines
2.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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static struct
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{
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const char *fmt;
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size_t min;
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size_t max;
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} tests[] =
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{
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{ "%2000Y", 2000, 4000 },
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{ "%02000Y", 2000, 4000 },
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{ "%_2000Y", 2000, 4000 },
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{ "%-2000Y", 2000, 4000 },
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};
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#define ntests (sizeof (tests) / sizeof (tests[0]))
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static int
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do_test (void)
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{
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size_t cnt;
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int result = 0;
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time_t tnow = time (NULL);
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struct tm *now = localtime (&tnow);
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for (cnt = 0; cnt < ntests; ++cnt)
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{
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size_t size = 0;
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int res;
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char *buf = NULL;
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do
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{
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size += 500;
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buf = (char *) realloc (buf, size);
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if (buf == NULL)
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{
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puts ("out of memory");
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exit (1);
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}
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res = strftime (buf, size, tests[cnt].fmt, now);
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if (res != 0)
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break;
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}
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while (size < tests[cnt].max);
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if (res == 0)
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{
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printf ("%Zu: %s: res == 0 despite size == %Zu\n",
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cnt, tests[cnt].fmt, size);
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result = 1;
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}
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else if (size < tests[cnt].min)
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{
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printf ("%Zu: %s: size == %Zu was enough\n",
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cnt, tests[cnt].fmt, size);
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result = 1;
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}
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else
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printf ("%Zu: %s: size == %Zu: OK\n", cnt, tests[cnt].fmt, size);
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free (buf);
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}
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struct tm ttm =
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{
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/* Initialize the fields which are needed in the tests. */
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.tm_mday = 1,
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.tm_hour = 2
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};
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const struct
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{
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const char *fmt;
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const char *exp;
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size_t n;
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} ftests[] =
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{
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{ "%-e", "1", 1 },
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{ "%-k", "2", 1 },
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{ "%-l", "2", 1 },
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};
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#define nftests (sizeof (ftests) / sizeof (ftests[0]))
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for (cnt = 0; cnt < nftests; ++cnt)
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{
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char buf[100];
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size_t r = strftime (buf, sizeof (buf), ftests[cnt].fmt, &ttm);
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if (r != ftests[cnt].n)
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{
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printf ("strftime(\"%s\") returned %zu not %zu\n",
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ftests[cnt].fmt, r, ftests[cnt].n);
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result = 1;
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}
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if (strcmp (buf, ftests[cnt].exp) != 0)
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{
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printf ("strftime(\"%s\") produced \"%s\" not \"%s\"\n",
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ftests[cnt].fmt, buf, ftests[cnt].exp);
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result = 1;
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}
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}
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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