X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrxfrm.c;h=650cfbf2ed3c48fccbbc84945e64e5a7d72a56a7;hb=97c9356afe9828ac405a8c6710a2ef4ed5e10c50;hp=5849a0cb80ea52a44883c0ed1d7837125f97340a;hpb=02c1ddcae6c88b55d2f4de825ee6c6456150b8ae;p=pdclib

diff --git a/functions/string/strxfrm.c b/functions/string/strxfrm.c
index 5849a0c..650cfbf 100644
--- a/functions/string/strxfrm.c
+++ b/functions/string/strxfrm.c
@@ -26,4 +26,24 @@ size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, si
     return len;
 }
 
-#warning Test driver missing.
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main()
+{
+    char s[] = "xxxxxxxxxxx";
+    BEGIN_TESTS;
+    TESTCASE( strxfrm( NULL, "123456789012", 0 ) == 12 );
+    TESTCASE( strxfrm( s, "123456789012", 12 ) == 12 );
+    /*
+    The following test case is true in *this* implementation, but doesn't have to.
+    TESTCASE( s[0] == 'x' );
+    */
+    TESTCASE( strxfrm( s, "1234567890", 11 ) == 10 );
+    TESTCASE( s[0] == '1' );
+    TESTCASE( s[9] == '0' );
+    TESTCASE( s[10] == '\0' );
+    return TEST_RESULTS;
+}
+#endif
+