1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/SharedArrayBuffer/length-is-too-large-throws.js b/js/src/tests/test262/built-ins/SharedArrayBuffer/length-is-too-large-throws.js
new file mode 100644
index 0000000000..3b9b1dc32e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/SharedArrayBuffer/length-is-too-large-throws.js
@@ -0,0 +1,36 @@
+// |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.
+
+/*---
+esid: sec-sharedarraybuffer-length
+description: >
+  Throws a RangeError if length >= 2 ** 53
+info: |
+  SharedArrayBuffer( length )
+
+  1. If NewTarget is undefined, throw a TypeError exception.
+  2. Let byteLength be ? ToIndex(length).
+
+  ToIndex( value )
+
+  1. If value is undefined, then
+    a. Let index be 0.
+  2. Else,
+    a. Let integerIndex be ? ToInteger(value).
+    b. If integerIndex < 0, throw a RangeError exception.
+  ...
+features: [SharedArrayBuffer]
+---*/
+
+assert.throws(RangeError, function() {
+  // Math.pow(2, 53) = 9007199254740992
+  new SharedArrayBuffer(9007199254740992);
+}, "`length` parameter is too large");
+
+assert.throws(RangeError, function() {
+  new SharedArrayBuffer(Infinity);
+}, "`length` parameter is positive Infinity");
+
+reportCompare(0, 0);