1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/Symbol.toStringTag.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/Symbol.toStringTag.js
new file mode 100644
index 0000000000..07c7d5453e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/prototype/Symbol.toStringTag.js
@@ -0,0 +1,24 @@
+// |reftest| skip-if(!this.hasOwnProperty('SharedArrayBuffer')) -- SharedArrayBuffer is not enabled unconditionally
+// Copyright (C) 2015 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.
+/*---
+description: >
+    `Symbol.toStringTag` property descriptor
+info: |
+    The initial value of the @@toStringTag property is the String value
+    "SharedArrayBuffer".
+
+    This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+    false, [[Configurable]]: true }.
+includes: [propertyHelper.js]
+features: [SharedArrayBuffer, Symbol.toStringTag]
+---*/
+
+assert.sameValue(SharedArrayBuffer.prototype[Symbol.toStringTag], 'SharedArrayBuffer');
+
+verifyNotEnumerable(SharedArrayBuffer.prototype, Symbol.toStringTag);
+verifyNotWritable(SharedArrayBuffer.prototype, Symbol.toStringTag);
+verifyConfigurable(SharedArrayBuffer.prototype, Symbol.toStringTag);
+
+reportCompare(0, 0);