1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A10.js b/js/src/tests/test262/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A10.js
new file mode 100644
index 0000000000..399bcf58a7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/prototype/propertyIsEnumerable/S15.2.4.7_A10.js
@@ -0,0 +1,33 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    The Object.prototype.propertyIsEnumerable.length property has the
+    attribute ReadOnly
+es5id: 15.2.4.7_A10
+description: >
+    Checking if varying the
+    Object.prototype.propertyIsEnumerable.length property fails
+includes: [propertyHelper.js]
+---*/
+assert(
+  !!Object.prototype.propertyIsEnumerable.hasOwnProperty('length'),
+  'The value of !!Object.prototype.propertyIsEnumerable.hasOwnProperty("length") is expected to be true'
+);
+
+var obj = Object.prototype.propertyIsEnumerable.length;
+
+verifyNotWritable(Object.prototype.propertyIsEnumerable, "length", null, function() {
+  return "shifted";
+});
+
+assert.sameValue(
+  Object.prototype.propertyIsEnumerable.length,
+  obj,
+  'The value of Object.prototype.propertyIsEnumerable.length is expected to equal the value of obj'
+);
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);