1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/compound-assignment/11.13.2-47-s-strict.js b/js/src/tests/test262/language/expressions/compound-assignment/11.13.2-47-s-strict.js
new file mode 100644
index 0000000000..8b9086b469
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/compound-assignment/11.13.2-47-s-strict.js
@@ -0,0 +1,21 @@
+'use strict';
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 11.13.2-47-s
+description: >
+    Strict Mode - TypeError is thrown if The LeftHandSide of a
+    Compound Assignment operator(%=) is a reference to a non-existent
+    property of an object whose [[Extensible]] internal property is
+    false
+flags: [onlyStrict]
+---*/
+
+        var obj = {};
+        Object.preventExtensions(obj);
+assert.throws(TypeError, function() {
+            obj.len %= 10;
+});
+
+reportCompare(0, 0);