Porting current working set from CVS.

[pdclib] / functions / string / strxfrm.c

diff --git a/functions/string/strxfrm.c b/functions/string/strxfrm.c
index 578eb4ba7a5c536b3c129bc434391c0024cbcee9..57a106f1aa1b79c8b585ca241a7c9acfe4d80295 100644 (file)
--- a/functions/string/strxfrm.c
+++ b/functions/string/strxfrm.c
@@ -10,8 +10,9 @@
 
 #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 +26,25 @@ 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( void )
+{
+    char s[] = "xxxxxxxxxxx";
+    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
+