1 files changed, 55 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_file_renameTo.js b/xpcom/tests/unit/test_file_renameTo.js
new file mode 100644
index 0000000000..a6e8633773
--- /dev/null
+++ b/xpcom/tests/unit/test_file_renameTo.js
@@ -0,0 +1,55 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function run_test() {
+  // Create the base directory.
+  let base = Services.dirsvc.get("TmpD", Ci.nsIFile);
+  base.append("renameTesting");
+  if (base.exists()) {
+    base.remove(true);
+  }
+  base.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt("0777", 8));
+
+  // Create a sub directory under the base.
+  let subdir = base.clone();
+  subdir.append("subdir");
+  subdir.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt("0777", 8));
+
+  // Create a file under the sub directory.
+  let tempFile = subdir.clone();
+  tempFile.append("file0.txt");
+  tempFile.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, parseInt("0777", 8));
+
+  // Test renameTo in the base directory
+  tempFile.renameTo(null, "file1.txt");
+  Assert.ok(exists(subdir, "file1.txt"));
+
+  // Test moving across directories
+  tempFile = subdir.clone();
+  tempFile.append("file1.txt");
+  tempFile.renameTo(base, "");
+  Assert.ok(exists(base, "file1.txt"));
+
+  // Test moving across directories and renaming at the same time
+  tempFile = base.clone();
+  tempFile.append("file1.txt");
+  tempFile.renameTo(subdir, "file2.txt");
+  Assert.ok(exists(subdir, "file2.txt"));
+
+  // Test moving a directory
+  subdir.renameTo(base, "renamed");
+  Assert.ok(exists(base, "renamed"));
+  let renamed = base.clone();
+  renamed.append("renamed");
+  Assert.ok(exists(renamed, "file2.txt"));
+
+  base.remove(true);
+}
+
+function exists(parent, filename) {
+  let file = parent.clone();
+  file.append(filename);
+  return file.exists();
+}