1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/propertyhelper-verifynotwritable-writable.js b/js/src/tests/test262/harness/propertyhelper-verifynotwritable-writable.js
new file mode 100644
index 0000000000..18b73f3243
--- /dev/null
+++ b/js/src/tests/test262/harness/propertyhelper-verifynotwritable-writable.js
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Objects whose specified property is writable do not satisfy the assertion.
+includes: [propertyHelper.js]
+---*/
+var threw = false;
+var obj = {};
+Object.defineProperty(obj, 'a', {
+  writable: true,
+  value: 1
+});
+
+try {
+  verifyNotWritable(obj, 'a');
+} catch(err) {
+  threw = true;
+  if (err.constructor !== Test262Error) {
+    throw new Error(
+      'Expected a Test262Error, but a "' + err.constructor.name +
+      '" was thrown.'
+    );
+  }
+}
+
+if (threw === false) {
+  throw new Error('Expected a Test262Error, but no error was thrown.');
+}
+
+reportCompare(0, 0);