Revision: 17254
Author: [email protected]
Date: Thu Oct 17 12:48:28 2013 UTC
Log: Add regression test for optimized count operation.
This is a regression test for a bug with handling of count operations
that target a JavaScript accessor on the prototype chain in Crankshaft.
[email protected]
BUG=chromium:306851
TEST=mjsunit/regress/regress-crbug-306851
Review URL: https://codereview.chromium.org/27702002
http://code.google.com/p/v8/source/detail?r=17254
Added:
/branches/bleeding_edge/test/mjsunit/regress/regress-crbug-306851.js
=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/regress/regress-crbug-306851.js
Thu Oct 17 12:48:28 2013 UTC
@@ -0,0 +1,52 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax
+
+function Counter() {
+ this.value = 0;
+};
+
+Object.defineProperty(Counter.prototype, 'count', {
+ get: function() { return this.value; },
+ set: function(value) { this.value = value; }
+});
+
+var obj = new Counter();
+
+function bummer() {
+ obj.count++;
+ return obj.count;
+}
+
+assertEquals(1, bummer());
+assertEquals(2, bummer());
+assertEquals(3, bummer());
+%OptimizeFunctionOnNextCall(bummer);
+assertEquals(4, bummer());
+assertEquals(5, bummer());
+assertEquals(6, bummer());
--
--
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