70 lines
2.3 KiB
JavaScript
70 lines
2.3 KiB
JavaScript
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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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"This tests that a patchable GetById right after a watchpoint has the appropriate nop padding."
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);
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function foo(o, p) {
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var a = p.f;
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var b = o.f; // Watchpoint.
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var c = p.g; // Patchable GetById.
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return b(a + c);
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}
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function O() {
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}
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O.prototype.f = function(x) { return x + 1; };
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var o = new O();
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function P1() {
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}
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P1.prototype.g = 42;
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function P2() {
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}
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P2.prototype.g = 24;
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var p1 = new P1();
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var p2 = new P2();
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p1.f = 1;
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p2.f = 2;
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for (var i = 0; i < 200; ++i) {
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var p = (i % 2) ? p1 : p2;
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var expected = (i % 2) ? 44 : 27;
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if (i == 150) {
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// Cause first the watchpoint on o.f to fire, and then the GetById
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// to be reset.
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O.prototype.g = 57; // Fire the watchpoint.
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P1.prototype.h = 58; // Reset the GetById.
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P2.prototype.h = 59; // Not necessary, but what the heck - this resets the GetById even more.
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}
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shouldBe("foo(o, p)", "" + expected);
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}
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