Implement ES6 Array.of()

test/mjsunit/es6/array-of-surfaces.js

Index: test/mjsunit/es6/array-of-surfaces.js
diff --git a/test/mjsunit/es6/array-of-surfaces.js b/test/mjsunit/es6/array-of-surfaces.js
new file mode 100644
index 0000000000000000000000000000000000000000..c37808e9ff696744edef17f57e0aa5d64a3ccd46
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+++ b/test/mjsunit/es6/array-of-surfaces.js
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+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Based on: https://hg.mozilla.org/mozilla-central/file/d0c3168c3c47/js/src/jit-test/tests/collections/Array-of-surfaces.js
+
+// Flags: --harmony-arrays
+
+
+// Check superficial features of Array.of.
+
+var desc = Object.getOwnPropertyDescriptor(Array, "of");
+
+assertEquals(desc.configurable, true);
+assertEquals(desc.enumerable, false);
+assertEquals(desc.writable, true);
+assertEquals(Array.of.length, 0);
+assertThrows(function() { new Array.of() }, TypeError);  // not a constructor
+
+// When the this-value passed in is not a constructor, the result is an array.
+[undefined, null, false, "cow"].forEach(function(val) {
+    assertEquals(Array.isArray(Array.of(val)), true);
+});