1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/compare-array-different-length.js b/js/src/tests/test262/harness/compare-array-different-length.js
new file mode 100644
index 0000000000..87e296ed8c
--- /dev/null
+++ b/js/src/tests/test262/harness/compare-array-different-length.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Arrays of differing lengths are not equivalent.
+includes: [compareArray.js]
+---*/
+
+
+assert.throws(Test262Error, () => {
+  assert.compareArray([], [undefined]);
+}, 'Arrays of differing lengths are not equivalent.');
+
+assert.throws(Test262Error, () => {
+  assert.compareArray([undefined], []);
+}, 'Arrays of differing lengths are not equivalent.');
+
+reportCompare(0, 0);