1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/buffer-reference-sab.js b/js/src/tests/test262/built-ins/DataView/buffer-reference-sab.js
new file mode 100644
index 0000000000..7670ef27af
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+++ b/js/src/tests/test262/built-ins/DataView/buffer-reference-sab.js
@@ -0,0 +1,28 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2016 the V8 project authors. 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-dataview-buffer-byteoffset-bytelength
+description: >
+  Reuse buffer argument instead of making a new clone
+info: |
+  24.2.2.1 DataView (buffer, byteOffset, byteLength )
+
+  ...
+  14. Set O's [[ViewedArrayBuffer]] internal slot to buffer.
+  ...
+  17. Return O.
+features: [SharedArrayBuffer]
+---*/
+
+var buffer = new SharedArrayBuffer(8);
+
+var dv1 = new DataView(buffer, 0);
+var dv2 = new DataView(buffer, 0);
+
+assert.sameValue(dv1.buffer, buffer);
+assert.sameValue(dv2.buffer, buffer);
+
+reportCompare(0, 0);