1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/flatMap/this-value-null-undefined-throws.js b/js/src/tests/test262/built-ins/Array/prototype/flatMap/this-value-null-undefined-throws.js
new file mode 100644
index 0000000000..f2b52aeb34
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/flatMap/this-value-null-undefined-throws.js
@@ -0,0 +1,27 @@
+// 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: >
+  Throw a TypeError if this value is null or undefined
+info: |
+  Array.prototype.flatMap ( mapperFunction [ , thisArg ] )
+
+  1. Let O be ? ToObject(this value).
+  ...
+features: [Array.prototype.flatMap]
+---*/
+
+assert.sameValue(typeof Array.prototype.flatMap, 'function');
+
+var mapperFn = function() {};
+
+assert.throws(TypeError, function() {
+  [].flatMap.call(null, mapperFn);
+}, 'null value');
+
+assert.throws(TypeError, function() {
+  [].flatMap.call(undefined, mapperFn);
+}, 'undefined');
+
+reportCompare(0, 0);