1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_non-array.js b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_non-array.js
new file mode 100644
index 0000000000..a6288b26d0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_non-array.js
@@ -0,0 +1,31 @@
+// Copyright (c) 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+
+/*---
+esid: sec-array.prototype.concat
+description: array-concat-non-array
+includes: [compareArray.js]
+---*/
+
+//
+// test262 --command "v8 --harmony-classes  --harmony_object_literals" array-concat-non-array
+//
+class NonArray {
+  constructor() {
+    Array.apply(this, arguments);
+  }
+}
+
+var obj = new NonArray(1, 2, 3);
+var result = Array.prototype.concat.call(obj, 4, 5, 6);
+assert.sameValue(Array, result.constructor, 'The value of Array is expected to equal the value of result.constructor');
+assert.sameValue(
+  result instanceof NonArray,
+  false,
+  'The result of evaluating (result instanceof NonArray) is expected to be false'
+);
+assert.compareArray(result, [obj, 4, 5, 6], 'The value of result is expected to be [obj, 4, 5, 6]');
+
+reportCompare(0, 0);