1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/detached-buffer.js b/js/src/tests/test262/built-ins/DataView/detached-buffer.js
new file mode 100644
index 0000000000..c3145a849a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/DataView/detached-buffer.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2016 the V8 project authors. 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 TypeError if buffer is detached
+info: |
+  24.2.2.1 DataView (buffer, byteOffset, byteLength )
+
+  ...
+  4. Let numberOffset be ? ToNumber(byteOffset).
+  ...
+  7. If IsDetachedBuffer(buffer) is true, throw a TypeError exception.
+  ...
+includes: [detachArrayBuffer.js]
+---*/
+
+var toNumberOffset = 0;
+var obj = {
+  valueOf: function() {
+    toNumberOffset += 1;
+    return 0;
+  }
+};
+
+var ab = new ArrayBuffer(42);
+$DETACHBUFFER(ab);
+
+assert.throws(TypeError, function() {
+  new DataView(ab, obj);
+}, "throws if buffer is detached");
+
+assert.sameValue(toNumberOffset, 1, "ToNumber(byteOffset) runs before");
+
+reportCompare(0, 0);