1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/negative-byteoffset-throws-sab.js b/js/src/tests/test262/built-ins/DataView/negative-byteoffset-throws-sab.js
new file mode 100644
index 0000000000..90281fde24
--- /dev/null
+++ b/js/src/tests/test262/built-ins/DataView/negative-byteoffset-throws-sab.js
@@ -0,0 +1,38 @@
+// |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: >
+  Throws a RangeError if ToInteger(byteOffset) < 0
+info: |
+  24.2.2.1 DataView (buffer, byteOffset, byteLength )
+
+  ...
+  4. Let offset be ? ToIndex(byteOffset).
+  ...
+
+  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]
+---*/
+
+var buffer = new SharedArrayBuffer(2);
+
+assert.throws(RangeError, function() {
+  new DataView(buffer, -1);
+}, "new DataView(buffer, -1);");
+
+assert.throws(RangeError, function() {
+  new DataView(buffer, -Infinity);
+}, "new DataView(buffer, -Infinity);");
+
+reportCompare(0, 0);