1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-has-start.js b/js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-has-start.js
new file mode 100644
index 0000000000..8a7d16735c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-abrupt-from-has-start.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-array.prototype.copywithin
+description: >
+  Return abrupt from HasProperty(O, fromKey).
+info: |
+  22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] )
+
+  ...
+  8. Let relativeStart be ToInteger(start).
+  9. ReturnIfAbrupt(relativeStart).
+  10. If relativeStart < 0, let from be max((len + relativeStart),0); else let
+  from be min(relativeStart, len).
+  ...
+  17. Repeat, while count > 0
+    a. Let fromKey be ToString(from).
+    b. Let toKey be ToString(to).
+    c. Let fromPresent be HasProperty(O, fromKey).
+    d. ReturnIfAbrupt(fromPresent).
+  ...
+features: [Proxy]
+---*/
+
+var o = {
+  '0': 42,
+  length: 1
+};
+
+var p = new Proxy(o, {
+  has: function() {
+    throw new Test262Error();
+  }
+});
+
+assert.throws(Test262Error, function() {
+  Array.prototype.copyWithin.call(p, 0, 0);
+});
+
+reportCompare(0, 0);