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diff --git a/js/src/tests/test262/built-ins/Atomics/load/length.js b/js/src/tests/test262/built-ins/Atomics/load/length.js
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+// |reftest| skip-if(!this.hasOwnProperty('Atomics')) -- Atomics 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-atomics.load
+description: >
+ Atomics.load.length is 2.
+info: |
+ Atomics.load ( ia, index )
+
+ 17 ECMAScript Standard Built-in Objects:
+ Every built-in Function object, including constructors, has a length
+ property whose value is an integer. Unless otherwise specified, this
+ value is equal to the largest number of named arguments shown in the
+ subclause headings for the function description, including optional
+ parameters. However, rest parameters shown using the form “...name”
+ are not included in the default argument count.
+
+ Unless otherwise specified, the length property of a built-in Function
+ object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+ [[Configurable]]: true }.
+includes: [propertyHelper.js]
+features: [Atomics]
+---*/
+
+verifyProperty(Atomics.load, 'length', {
+ value: 2,
+ enumerable: false,
+ writable: false,
+ configurable: true,
+});
+
+reportCompare(0, 0);