1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/flat/array-like-objects.js b/js/src/tests/test262/built-ins/Array/prototype/flat/array-like-objects.js
new file mode 100644
index 0000000000..e89bbd22b8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/flat/array-like-objects.js
@@ -0,0 +1,33 @@
+// Copyright (C) 2018 Shilpi Jain and Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.flat
+description: >
+    array-like objects can be flattened
+includes: [compareArray.js]
+features: [Array.prototype.flat]
+---*/
+
+function getArgumentsObject() {
+  return arguments;
+}
+
+var a = getArgumentsObject([1], [2]);
+var actual = [].flat.call(a);
+assert.compareArray(actual, [1, 2], 'The value of actual is expected to be [1, 2]');
+
+a = {
+  length: 1,
+  0: [1],
+};
+actual = [].flat.call(a);
+assert.compareArray(actual, [1], 'The value of actual is expected to be [1]');
+
+a = {
+  length: undefined,
+  0: [1],
+};
+actual = [].flat.call(a);
+assert.compareArray(actual, [], 'The value of actual is expected to be []');
+
+reportCompare(0, 0);