1 files changed, 55 insertions, 0 deletions
diff --git a/deps/v8/test/webkit/dfg-constant-fold-logical-not-branch.js b/deps/v8/test/webkit/dfg-constant-fold-logical-not-branch.js
new file mode 100644
index 0000000000..6a91b14cba
--- /dev/null
+++ b/deps/v8/test/webkit/dfg-constant-fold-logical-not-branch.js
@@ -0,0 +1,55 @@
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1.  Redistributions of source code must retain the above copyright
+//     notice, this list of conditions and the following disclaimer.
+// 2.  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.
+//
+// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+
+description(
+"Tests what happens if we fail to constant fold a LogicalNot that leads into a branch, when the CFA proves that the LogicalNot has a constant value."
+);
+
+function foo1(o) {
+    if (!!o.thingy)
+        return o.thingy(42);
+    else
+        return o.otherThingy(57);
+}
+
+function foo2(o) {
+    if (!o.thingy)
+        return o.otherThingy(42);
+    else
+        return o.thingy(57);
+}
+
+function Stuff() {
+}
+
+Stuff.prototype = {
+    thingy: function(x) { return x + 1; },
+    otherThingy: function(x) { return x - 1; }
+};
+
+for (var i = 0; i < 1000; ++i) {
+    shouldBe("foo1(new Stuff())", "43");
+    shouldBe("foo2(new Stuff())", "58");
+}
+
+