1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/delete/11.4.1-4.a-12.js b/js/src/tests/test262/language/expressions/delete/11.4.1-4.a-12.js
new file mode 100644
index 0000000000..3f7fc897a1
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/delete/11.4.1-4.a-12.js
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: |
+    This test is actually testing the [[Delete]] internal method (8.12.8). Since the
+    language provides no way to directly exercise [[Delete]], the tests are placed here.
+esid: sec-delete-operator-runtime-semantics-evaluation
+description: delete operator returns false when deleting a property(length)
+flags: [noStrict]
+---*/
+
+var a = [1, 2, 3];
+a.x = 10;
+var d = delete a.length;
+
+assert.sameValue(d, false, 'd');
+assert.sameValue(a.length, 3, 'a.length');
+
+reportCompare(0, 0);