Added testdriver for _PDCLIB_rename().

[pdclib] / platform / example / functions / _PDCLIB / rename.c

diff --git a/platform/example/functions/_PDCLIB/rename.c b/platform/example/functions/_PDCLIB/rename.c
index 9996e7c73bf0882dc15c904aeb9b5dc1b32e1593..ab1a75d6a51ebd6edf6d4a91e730b6fff033975e 100644 (file)
--- a/platform/example/functions/_PDCLIB/rename.c
+++ b/platform/example/functions/_PDCLIB/rename.c
@@ -1,7 +1,5 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* _PDCLIB_rename( const char *, const char * )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -32,11 +30,46 @@ int _PDCLIB_rename( const char * old, const char * new )
 #endif
 
 #ifdef TEST
+/* TODO: Work around the following undef */
+#undef SEEK_SET
 #include <_PDCLIB_test.h>
 
+#include <stdlib.h>
+
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    char filename1[ L_tmpnam + 6 ] = "touch ";
+    char filename2[ L_tmpnam ];
+    tmpnam( filename1 + 6 );
+    tmpnam( filename2);
+    /* check that neither file exists */
+    TESTCASE( fopen( filename1 + 6, "r" ) == NULL );
+    TESTCASE( fopen( filename2, "r" ) == NULL );
+    /* rename file 1 to file 2 - expected to fail */
+    TESTCASE( _PDCLIB_rename( filename1 + 6, filename2 ) == -1 );
+    /* create file 1 */
+    system( filename1 );
+    /* check that file 1 exists */
+    TESTCASE( fopen( filename1 + 6, "r" ) != NULL );
+    /* rename file 1 to file 2 */
+    TESTCASE( _PDCLIB_rename( filename1 + 6, filename2 ) == 0 );
+    /* check that file 2 exists, file 1 does not */
+    TESTCASE( fopen( filename1 + 6, "r" ) == NULL );
+    TESTCASE( fopen( filename2, "r" ) != NULL );
+    /* create another file 1 */
+    system( filename1 );
+    /* check that file 1 exists */
+    TESTCASE( fopen( filename1 + 6, "r" ) != NULL );
+    /* rename file 1 to file 2 - expected to fail, see comment in
+       _PDCLIB_rename() itself.
+    */
+    TESTCASE( _PDCLIB_rename( filename1 + 6, filename2 ) == -1 );
+    /* remove both files */
+    remove( filename1 + 6 );
+    remove( filename2 );
+    /* check that they're gone */
+    TESTCASE( fopen( filename1 + 6, "r" ) == NULL );
+    TESTCASE( fopen( filename2, "r" ) == NULL );
     return TEST_RESULTS;
 }