1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24 description( 25 "This tests that a patchable GetById right after a watchpoint has the appropriate nop padding." 26 ); 27 28 function foo(o, p) { 29 var a = p.f; 30 var b = o.f; // Watchpoint. 31 var c = p.g; // Patchable GetById. 32 return b(a + c); 33 } 34 35 function O() { 36 } 37 38 O.prototype.f = function(x) { return x + 1; }; 39 40 var o = new O(); 41 42 function P1() { 43 } 44 45 P1.prototype.g = 42; 46 47 function P2() { 48 } 49 50 P2.prototype.g = 24; 51 52 var p1 = new P1(); 53 var p2 = new P2(); 54 55 p1.f = 1; 56 p2.f = 2; 57 58 for (var i = 0; i < 200; ++i) { 59 var p = (i % 2) ? p1 : p2; 60 var expected = (i % 2) ? 44 : 27; 61 if (i == 150) { 62 // Cause first the watchpoint on o.f to fire, and then the GetById 63 // to be reset. 64 O.prototype.g = 57; // Fire the watchpoint. 65 P1.prototype.h = 58; // Reset the GetById. 66 P2.prototype.h = 59; // Not necessary, but what the heck - this resets the GetById even more. 67 } 68 shouldBe("foo(o, p)", "" + expected); 69 } 70
