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diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/descriptor.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/descriptor.js
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+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/slice/descriptor.js
@@ -0,0 +1,24 @@
+// |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.
+
+/*---
+description: >
+  SharedArrayBuffer.prototype.slice has default data property attributes.
+info: |
+  SharedArrayBuffer.prototype.slice ( start, end )
+
+  17 ECMAScript Standard Built-in Objects:
+    Every other data property described in clauses 18 through 26 and in
+    Annex B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+    [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+features: [SharedArrayBuffer]
+---*/
+
+verifyNotEnumerable(SharedArrayBuffer.prototype, "slice");
+verifyWritable(SharedArrayBuffer.prototype, "slice");
+verifyConfigurable(SharedArrayBuffer.prototype, "slice");
+
+reportCompare(0, 0);