1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/decodeURIComponent/S15.1.3.2_A5.3.js b/js/src/tests/test262/built-ins/decodeURIComponent/S15.1.3.2_A5.3.js
new file mode 100644
index 0000000000..dfefb88cdd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/decodeURIComponent/S15.1.3.2_A5.3.js
@@ -0,0 +1,18 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The length property of decodeURIComponent has the attribute ReadOnly
+esid: sec-decodeuricomponent-encodeduricomponent
+description: Checking if varying the length property fails
+includes: [propertyHelper.js]
+---*/
+
+//CHECK#1
+var x = decodeURIComponent.length;
+verifyNotWritable(decodeURIComponent, "length", null, Infinity);
+if (decodeURIComponent.length !== x) {
+  throw new Test262Error('#1: x = decodeURIComponent.length; decodeURIComponent.length = Infinity; decodeURIComponent.length === x. Actual: ' + (decodeURIComponent.length));
+}
+
+reportCompare(0, 0);