1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/flatMap/depth-always-one.js b/js/src/tests/test262/built-ins/Array/prototype/flatMap/depth-always-one.js
new file mode 100644
index 0000000000..b61c26bae4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/flatMap/depth-always-one.js
@@ -0,0 +1,25 @@
+// 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.flatMap
+description: >
+    Behavior when array is depth more than 1
+includes: [compareArray.js]
+features: [Array.prototype.flatMap]
+---*/
+
+assert.compareArray([1, 2].flatMap(function(e) {
+  return [e, e * 2];
+}), [1, 2, 2, 4], '[1, 2].flatMap(function(e) {return [e, e * 2];}) must return [1, 2, 2, 4]');
+
+var result = [1, 2, 3].flatMap(function(ele) {
+  return [
+    [ele * 2]
+  ];
+});
+assert.sameValue(result.length, 3, 'The value of result.length is expected to be 3');
+assert.compareArray(result[0], [2], 'The value of result[0] is expected to be [2]');
+assert.compareArray(result[1], [4], 'The value of result[1] is expected to be [4]');
+assert.compareArray(result[2], [6], 'The value of result[2] is expected to be [6]');
+
+reportCompare(0, 0);