X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstring%2Fstrstr.c;h=2ad75058e75e21211a235b696c0c51151fa98804;hp=0566d5d71c2d8b15c9cd29dea665bcd8f74c0a50;hb=2f57d79a5a24856fdea69b2119d67e5fb5029b3e;hpb=1a0d9f7faca36f149db3b85c09a72528e0c73a83

diff --git a/functions/string/strstr.c b/functions/string/strstr.c
index 0566d5d..2ad7505 100644
--- a/functions/string/strstr.c
+++ b/functions/string/strstr.c
@@ -32,11 +32,19 @@ char * strstr( const char * s1, const char * s2 )
     return NULL;
 }
 
-#warning Test driver missing.
-
 #ifdef TEST
+#include <_PDCLIB_test.h>
+
 int main()
 {
-    return 0;
+    char s[] = "abcabcabcdabcde";
+    BEGIN_TESTS;
+    TESTCASE( strstr( s, "x" ) == NULL );
+    TESTCASE( strstr( s, "xyz" ) == NULL );
+    TESTCASE( strstr( s, "a" ) == &s[0] );
+    TESTCASE( strstr( s, "abc" ) == &s[0] );
+    TESTCASE( strstr( s, "abcd" ) == &s[6] );
+    TESTCASE( strstr( s, "abcde" ) == &s[10] );
+    return TEST_RESULTS;
 }
 #endif