canonicalize: Avoid a false-positive cycle failure.

[gnulib.git] / tests / test-canonicalize.c

diff --git a/tests/test-canonicalize.c b/tests/test-canonicalize.c
index 8003743..aa20a7c 100644 (file)
--- a/tests/test-canonicalize.c
+++ b/tests/test-canonicalize.c
@@ -127,5 +127,17 @@ main ()
     free (result2);
   }
 
+  /* Ensure that the following is resolved properly.
+     Before 2007-09-27, it would mistakenly report a loop.  */
+  {
+    char *result1 = canonicalize_filename_mode ("t-can.tmp", CAN_EXISTING);
+    char *result2 = canonicalize_filename_mode ("t-can.tmp/p/1", CAN_EXISTING);
+    ASSERT (result1 != NULL);
+    ASSERT (result2 != NULL);
+    ASSERT (strcmp (result2 + strlen (result1), "/d/2") == 0);
+    free (result1);
+    free (result2);
+  }
+
   return 0;
 }