1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArrayConstructors/of/custom-ctor-returns-other-instance.js b/js/src/tests/test262/built-ins/TypedArrayConstructors/of/custom-ctor-returns-other-instance.js
new file mode 100644
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+++ b/js/src/tests/test262/built-ins/TypedArrayConstructors/of/custom-ctor-returns-other-instance.js
@@ -0,0 +1,34 @@
+// 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-%typedarray%.of
+description: >
+  Custom constructor can return any TypedArray instance with higher or same
+  length
+info: |
+  %TypedArray%.of ( ...items )
+
+  1. Let len be the actual number of arguments passed to this function.
+  ...
+  5. Let newObj be ? TypedArrayCreate(C, « len »).
+  ...
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var result;
+  var custom = new TA(3);
+  var ctor = function() {
+    return custom;
+  };
+
+  result = TypedArray.of.call(ctor, 1, 2, 3);
+  assert.sameValue(result, custom, "using iterator, same length");
+
+  result = TypedArray.of.call(ctor, 1, 2);
+  assert.sameValue(result, custom, "using iterator, higher length");
+});
+
+reportCompare(0, 0);