1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype-from-newtarget.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype-from-newtarget.js
new file mode 100644
index 0000000000..dc84cfbf1c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype-from-newtarget.js
@@ -0,0 +1,37 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-sharedarraybuffer-length
+description: >
+  The [[Prototype]] internal slot is computed from NewTarget.
+info: |
+  SharedArrayBuffer( length )
+
+  SharedArrayBuffer called with argument length performs the following steps:
+
+  ...
+  3. Return AllocateSharedArrayBuffer(NewTarget, byteLength).
+
+  AllocateSharedArrayBuffer( constructor, byteLength )
+    1. Let obj be ? OrdinaryCreateFromConstructor(constructor, "%SharedArrayBufferPrototype%",
+       «[[ArrayBufferData]], [[ArrayBufferByteLength]]» ).
+    ...
+features: [Reflect, Reflect.construct, SharedArrayBuffer]
+---*/
+
+var arrayBuffer = Reflect.construct(SharedArrayBuffer, [8], Object);
+assert.sameValue(Object.getPrototypeOf(arrayBuffer), Object.prototype, "NewTarget is built-in Object constructor");
+
+var newTarget = function() {}.bind(null);
+Object.defineProperty(newTarget, "prototype", {
+  get: function() {
+    return Array.prototype;
+  }
+});
+var arrayBuffer = Reflect.construct(SharedArrayBuffer, [16], newTarget);
+assert.sameValue(Object.getPrototypeOf(arrayBuffer), Array.prototype, "NewTarget is BoundFunction with accessor");
+
+reportCompare(0, 0);