kolibrios-fun/programs/develop/ktcc/trunk/libctest/string_strchr.c

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#include <string.h>
#include <stdlib.h>
#include "test.h"
#define N(s, c) { \
char *p = s; \
char *q = strchr(p, c); \
if (q) \
t_error("strchr(%s,%s) returned str+%d, wanted 0\n", #s, #c, q-p); \
}
#define T(s, c, n) { \
char *p = s; \
char *q = strchr(p, c); \
if (q == 0) \
t_error("strchr(%s,%s) returned 0, wanted str+%d\n", #s, #c, n); \
else if (q - p != n) \
t_error("strchr(%s,%s) returned str+%d, wanted str+%d\n", #s, #c, q-p, n); \
}
int main(void)
{
int i;
char a[128];
char s[256];
for (i = 0; i < 128; i++)
a[i] = (i+1) & 127;
for (i = 0; i < 256; i++)
*((unsigned char*)s+i) = i+1;
N("", 'a')
N("a", 'b')
N("abc abc", 'x')
N(a, 128)
N(a, 255)
T("", 0, 0)
T("a", 'a', 0)
T("a", 'a'+256, 0)
T("a", 0, 1)
T("ab", 'b', 1)
T("aab", 'b', 2)
T("aaab", 'b', 3)
T("aaaab", 'b', 4)
T("aaaaab", 'b', 5)
T("aaaaaab", 'b', 6)
T("abc abc", 'c', 2)
T(s, 1, 0)
T(s, 2, 1)
T(s, 10, 9)
T(s, 11, 10)
T(s, 127, 126)
T(s, 128, 127)
T(s, 255, 254)
T(s, 0, 255)
printf("%s finished\n", __FILE__);
return t_status;
}