1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments-throws.js b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments-throws.js
new file mode 100644
index 0000000000..72a67f4295
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/concat/Array.prototype.concat_sloppy-arguments-throws.js
@@ -0,0 +1,24 @@
+// 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.prototype.concat sloppy arguments throws
+features: [Symbol.isConcatSpreadable]
+---*/
+var args = (function(a) {
+  return arguments;
+})(1, 2, 3);
+Object.defineProperty(args, 0, {
+  get: function() {
+    throw new Test262Error();
+  }
+});
+args[Symbol.isConcatSpreadable] = true;
+assert.throws(Test262Error, function() {
+  return [].concat(args, args);
+}, 'return [].concat(args, args) throws a Test262Error exception');
+
+reportCompare(0, 0);