X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrxfrm.c;h=4b81c9375c624f47b50329b8ed16abf8fbd678b0;hb=40d0246771c8e593d4b5fdc97dd87b4afd260be2;hp=578eb4ba7a5c536b3c129bc434391c0024cbcee9;hpb=c0169638bd02098717cb23fbbca3bcc4e4caccf0;p=pdclib

diff --git a/functions/string/strxfrm.c b/functions/string/strxfrm.c
index 578eb4b..4b81c93 100644
--- a/functions/string/strxfrm.c
+++ b/functions/string/strxfrm.c
@@ -8,10 +8,12 @@
    Permission is granted to use, modify, and / or redistribute at will.
 */
 
+#include <_PDCLIB_aux.h>
 #include <string.h>
 
-/* TODO: Dummy function, no locale support yet. */
+#ifndef REGTEST
 
+/* TODO: Dummy function, no locale support yet. */
 size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, size_t n )
 {
     size_t len = strlen( s2 );
@@ -25,4 +27,26 @@ size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, si
     return len;
 }
 
-#warning Test driver missing.
+#endif
+
+#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
+