1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/ArrayBuffer/prototype/byteLength/this-is-sharedarraybuffer.js b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/byteLength/this-is-sharedarraybuffer.js
new file mode 100644
index 0000000000..3b91df8526
--- /dev/null
+++ b/js/src/tests/test262/built-ins/ArrayBuffer/prototype/byteLength/this-is-sharedarraybuffer.js
@@ -0,0 +1,27 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2017 Mozilla Corporation. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-get-arraybuffer.prototype.bytelength
+description: Throws a TypeError exception when `this` is a SharedArrayBuffer
+features: [align-detached-buffer-semantics-with-web-reality, SharedArrayBuffer]
+---*/
+
+var byteLength = Object.getOwnPropertyDescriptor(
+  ArrayBuffer.prototype, "byteLength"
+);
+
+var getter = byteLength.get;
+var sab = new SharedArrayBuffer(4);
+
+assert.throws(TypeError, function() {
+  getter.call(sab);
+}, "`this` cannot be a SharedArrayBuffer");
+
+assert.throws(TypeError, function() {
+  Object.defineProperties(sab, { byteLength });
+  sab.byteLength;
+}, "`this` cannot be a SharedArrayBuffer");
+
+reportCompare(0, 0);