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-rw-r--r--strcasestr.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/strcasestr.c b/strcasestr.c
index 62bcfdb..a3a98fc 100644
--- a/strcasestr.c
+++ b/strcasestr.c
@@ -15,3 +15,61 @@ libsimple_strcasestr(const char *h_, const char *n)
return h;
return NULL;
}
+
+
+#ifdef TEST
+#include <assert.h>
+
+int
+main(void)
+{
+ assert(!strcmp(libsimple_strcasestr("", ""), ""));
+ assert(!strcmp(libsimple_strcasestr("test", ""), "test"));
+ assert(!libsimple_strcasestr("", "test"));
+ assert(!libsimple_strcasestr("t", "test"));
+ assert(!strcmp(libsimple_strcasestr("test", "t"), "test"));
+ assert(!strcmp(libsimple_strcasestr("test", "e"), "est"));
+ assert(!strcmp(libsimple_strcasestr("test", "s"), "st"));
+ assert(!libsimple_strcasestr("test", "x"));
+ assert(!strcmp(libsimple_strcasestr("test", "te"), "test"));
+ assert(!strcmp(libsimple_strcasestr("test", "es"), "est"));
+ assert(!strcmp(libsimple_strcasestr("test", "st"), "st"));
+ assert(!libsimple_strcasestr("test", "xx"));
+ assert(!strcmp(libsimple_strcasestr("abc", "c"), "c"));
+ assert(!strcmp(libsimple_strcasestr("abc", "bc"), "bc"));
+ assert(!strcmp(libsimple_strcasestr("abc", "abc"), "abc"));
+ assert(!strcmp(libsimple_strcasestr("abcabc", "bc"), "bcabc"));
+
+ assert(!strcmp(libsimple_strcasestr("TEST", ""), "TEST"));
+ assert(!libsimple_strcasestr("T", "test"));
+ assert(!strcmp(libsimple_strcasestr("TEST", "t"), "TEST"));
+ assert(!strcmp(libsimple_strcasestr("TEST", "e"), "EST"));
+ assert(!strcmp(libsimple_strcasestr("TEST", "s"), "ST"));
+ assert(!libsimple_strcasestr("TEST", "x"));
+ assert(!strcmp(libsimple_strcasestr("TEST", "te"), "TEST"));
+ assert(!strcmp(libsimple_strcasestr("TEST", "es"), "EST"));
+ assert(!strcmp(libsimple_strcasestr("TEST", "st"), "ST"));
+ assert(!libsimple_strcasestr("TEST", "xx"));
+ assert(!strcmp(libsimple_strcasestr("ABC", "c"), "C"));
+ assert(!strcmp(libsimple_strcasestr("ABC", "bc"), "BC"));
+ assert(!strcmp(libsimple_strcasestr("ABC", "abc"), "ABC"));
+ assert(!strcmp(libsimple_strcasestr("ABCABC", "bc"), "BCABC"));
+
+ assert(!libsimple_strcasestr("", "TEST"));
+ assert(!libsimple_strcasestr("t", "TEST"));
+ assert(!strcmp(libsimple_strcasestr("test", "T"), "test"));
+ assert(!strcmp(libsimple_strcasestr("test", "E"), "est"));
+ assert(!strcmp(libsimple_strcasestr("test", "S"), "st"));
+ assert(!libsimple_strcasestr("test", "X"));
+ assert(!strcmp(libsimple_strcasestr("test", "TE"), "test"));
+ assert(!strcmp(libsimple_strcasestr("test", "ES"), "est"));
+ assert(!strcmp(libsimple_strcasestr("test", "ST"), "st"));
+ assert(!libsimple_strcasestr("test", "XX"));
+ assert(!strcmp(libsimple_strcasestr("abc", "C"), "c"));
+ assert(!strcmp(libsimple_strcasestr("abc", "BC"), "bc"));
+ assert(!strcmp(libsimple_strcasestr("abc", "ABC"), "abc"));
+ assert(!strcmp(libsimple_strcasestr("abcabc", "BC"), "bcabc"));
+ return 0;
+}
+
+#endif