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69 lines
2.4 KiB
69 lines
2.4 KiB
12 years ago
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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description(
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"Tests that DFG inlining does not brak function.arguments.caller."
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);
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var callCount = 0;
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var resultArray = []
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function throwError() {
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throw {};
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}
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var object = {
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nonInlineable : function nonInlineable() {
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if (0) return [arguments, function(){}];
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if (++callCount == 999999) {
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var f = nonInlineable;
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while (f) {
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resultArray.push(f.name);
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f=f.arguments.callee.caller;
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}
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}
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},
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inlineable : function inlineable() {
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this.nonInlineable();
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}
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}
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function makeInlinableCall(o) {
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for (var i = 0; i < 1000; i++)
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o.inlineable();
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}
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function g() {
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var j = 0;
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for (var i = 0; i < 1000; i++) {
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j++;
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makeInlinableCall(object);
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}
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}
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g();
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shouldBe("resultArray.length", "4");
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shouldBe("resultArray[3]", "\"g\"");
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shouldBe("resultArray[2]", "\"makeInlinableCall\"");
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shouldBe("resultArray[1]", "\"inlineable\"");
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shouldBe("resultArray[0]", "\"nonInlineable\"");
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