test-unlinkat: enhance test, to expose Solaris 9 bug

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

diff --git a/tests/test-unlink.c b/tests/test-unlink.c
index 5aaa595..f5df9b6 100644 (file)
--- a/tests/test-unlink.c
+++ b/tests/test-unlink.c
@@ -22,6 +22,7 @@
 
 #include <fcntl.h>
 #include <errno.h>
+#include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -47,64 +48,10 @@
 
 #define BASE "test-unlink.t"
 
+#include "test-unlink.h"
+
 int
 main ()
 {
-  /* Remove any leftovers from a previous partial run.  */
-  ASSERT (system ("rm -rf " BASE "*") == 0);
-
-  /* Setup.  */
-  ASSERT (mkdir (BASE "dir", 0700) == 0);
-  ASSERT (close (creat (BASE "dir/file", 0600)) == 0);
-
-  /* Basic error conditions.  */
-  errno = 0;
-  ASSERT (unlink ("") == -1);
-  ASSERT (errno == ENOENT);
-  errno = 0;
-  ASSERT (unlink (BASE "nosuch") == -1);
-  ASSERT (errno == ENOENT);
-  errno = 0;
-  ASSERT (unlink (BASE "nosuch/") == -1);
-  ASSERT (errno == ENOENT);
-  /* Resulting errno after directories is rather varied across
-     implementations (EPERM, EINVAL, EACCES, EBUSY, EISDIR, ENOTSUP);
-     however, we must be careful to not attempt unlink on a directory
-     unless we know it must fail.  */
-  if (cannot_unlink_dir ())
-    {
-      ASSERT (unlink (".") == -1);
-      ASSERT (unlink ("..") == -1);
-      ASSERT (unlink ("/") == -1);
-      ASSERT (unlink (BASE "dir") == -1);
-      ASSERT (mkdir (BASE "dir1", 0700) == 0);
-      ASSERT (unlink (BASE "dir1") == -1);
-      ASSERT (rmdir (BASE "dir1") == 0);
-    }
-  errno = 0;
-  ASSERT (unlink (BASE "dir/file/") == -1);
-  ASSERT (errno == ENOTDIR);
-
-  /* Test symlink behavior.  Specifying trailing slash will attempt
-     unlink of a directory, so only attempt it if we know it must
-     fail.  */
-  if (symlink (BASE "dir", BASE "link") != 0)
-    {
-      ASSERT (unlink (BASE "dir/file") == 0);
-      ASSERT (rmdir (BASE "dir") == 0);
-      fputs ("skipping test: symlinks not supported on this filesystem\n",
-             stderr);
-      return 77;
-    }
-  if (cannot_unlink_dir ())
-    ASSERT (unlink (BASE "link/") == -1);
-  ASSERT (unlink (BASE "link") == 0);
-  ASSERT (symlink (BASE "dir/file", BASE "link") == 0);
-  /* Order here proves unlink of a symlink does not follow through to
-     the file.  */
-  ASSERT (unlink (BASE "link") == 0);
-  ASSERT (unlink (BASE "dir/file") == 0);
-  ASSERT (rmdir (BASE "dir") == 0);
-
-  return 0;
+  return test_unlink_func (unlink, true);
 }