Added test drivers.

[pdclib] / functions / string / strchr.c

diff --git a/functions/string/strchr.c b/functions/string/strchr.c
index ced1d552154e5a49eab4582fc8edd2ef08e2f601..96ab0519aafbbdc8f4be004cf77929fabfc1914c 100644 (file)
--- a/functions/string/strchr.c
+++ b/functions/string/strchr.c
@@ -21,3 +21,19 @@ char * strchr( const char * s, int c )
     } while ( *s++ );
     return NULL;
 }
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main()
+{
+    char abccd[] = "abccd";
+    BEGIN_TESTS;
+    TESTCASE( strchr( abccd, 'x' ) == NULL );
+    TESTCASE( strchr( abccd, 'a' ) == &abccd[0] );
+    TESTCASE( strchr( abccd, 'd' ) == &abccd[4] );
+    TESTCASE( strchr( abccd, '\0' ) == &abccd[5] );
+    TESTCASE( strchr( abccd, 'c' ) == &abccd[2] );
+    return TEST_RESULTS;
+}
+#endif