1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/concat/create-species.js b/js/src/tests/test262/built-ins/Array/prototype/concat/create-species.js
new file mode 100644
index 0000000000..60cc7138a5
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/concat/create-species.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.concat
+description: Species constructor is used to create a new instance
+info: |
+    1. Let O be ? ToObject(this value).
+    2. Let A be ? ArraySpeciesCreate(O, 0).
+
+    9.4.2.3 ArraySpeciesCreate
+
+    [...]
+    5. Let C be ? Get(originalArray, "constructor").
+    [...]
+    7. If Type(C) is Object, then
+       a. Let C be ? Get(C, @@species).
+       b. If C is null, let C be undefined.
+    [...]
+    10. Return ? Construct(C, « length »).
+features: [Symbol.species]
+---*/
+
+var thisValue, args, result;
+var callCount = 0;
+var instance = [];
+var Ctor = function() {
+  callCount += 1;
+  thisValue = this;
+  args = arguments;
+  return instance;
+};
+var a = [];
+a.constructor = {};
+a.constructor[Symbol.species] = Ctor;
+
+result = a.concat();
+
+assert.sameValue(callCount, 1, 'The value of callCount is expected to be 1');
+assert.sameValue(
+  Object.getPrototypeOf(thisValue),
+  Ctor.prototype,
+  'Object.getPrototypeOf(this) returns Ctor.prototype'
+);
+assert.sameValue(args.length, 1, 'The value of args.length is expected to be 1');
+assert.sameValue(args[0], 0, 'The value of args[0] is expected to be 0');
+assert.sameValue(result, instance, 'The value of result is expected to equal the value of instance');
+
+reportCompare(0, 0);