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-rw-r--r--xpcom/tests/unit/test_file_createUnique.js29
1 files changed, 29 insertions, 0 deletions
diff --git a/xpcom/tests/unit/test_file_createUnique.js b/xpcom/tests/unit/test_file_createUnique.js
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+++ b/xpcom/tests/unit/test_file_createUnique.js
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+/* -*- 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/. */
+
+var Cc = Components.classes;
+var Ci = Components.interfaces;
+var Cr = Components.results;
+
+function run_test()
+{
+ // Generate a leaf name that is 255 characters long.
+ var longLeafName = new Array(256).join("T");
+
+ // Generate the path for a file located in a directory with a long name.
+ var tempFile = Cc["@mozilla.org/file/directory_service;1"].
+ getService(Ci.nsIProperties).get("TmpD", Ci.nsIFile);
+ tempFile.append(longLeafName);
+ tempFile.append("test.txt");
+
+ try {
+ tempFile.createUnique(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
+ do_throw("Creating an item in a folder with a very long name should throw");
+ }
+ catch (e if (e instanceof Ci.nsIException &&
+ e.result == Cr.NS_ERROR_FILE_UNRECOGNIZED_PATH)) {
+ // We expect the function not to crash but to raise this exception.
+ }
+}