Index: test/mjsunit/es6/array-of-length-setter.js |
diff --git a/test/mjsunit/es6/array-of-length-setter.js b/test/mjsunit/es6/array-of-length-setter.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3b5b84eddde0ce605c078554266fdea84f4b0477 |
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+++ b/test/mjsunit/es6/array-of-length-setter.js |
@@ -0,0 +1,35 @@ |
+// 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-length-setter.js |
+ |
+// Flags: --harmony-arrays |
+ |
+ |
+// Array.of calls a "length" setter if one is present. |
+ |
+var hits = 0; |
+var lastObj = null, lastVal = undefined; |
+function setter(v) { |
+ hits++; |
+ lastObj = this; |
+ lastVal = v; |
+} |
+ |
+// when the setter is on the new object |
+function Pack() { |
+ Object.defineProperty(this, "length", {set: setter}); |
+} |
+Pack.of = Array.of; |
+var pack = Pack.of("wolves", "cards", "cigarettes", "lies"); |
+assertEquals(lastObj, pack); |
+assertEquals(lastVal, 4); |
+ |
+// when the setter is on the new object's prototype |
+function Bevy() {} |
+Object.defineProperty(Bevy.prototype, "length", {set: setter}); |
+Bevy.of = Array.of; |
+var bevy = Bevy.of("quail"); |
+assertEquals(lastObj, bevy); |
+assertEquals(lastVal, 1); |