1// Copyright 2013 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --allow-natives-syntax 29 30// Test loading a constant function on the prototype chain. 31 32var c = Object.create; 33var obj4 = c(null, { f4: { value: function() { return 4; }, writable: true }}); 34var obj3 = c(obj4, { f3: { value: function() { return 3; }, writable: true }}); 35var obj2 = c(obj3, { f2: { value: function() { return 2; }, writable: true }}); 36var obj1 = c(obj2, { f1: { value: function() { return 1; }, writable: true }}); 37var obj0 = c(obj1, { f0: { value: function() { return 0; }, writable: true }}); 38 39function get4(obj) { return obj.f4; } 40 41assertEquals(4, get4(obj0)()); 42assertEquals(4, get4(obj0)()); 43%OptimizeFunctionOnNextCall(get4); 44assertEquals(4, get4(obj0)()); 45obj4.f4 = function() { return 5; }; 46assertEquals(5, get4(obj0)()); 47 48function get3(obj) { return obj.f3; } 49 50assertEquals(3, get3(obj0)()); 51assertEquals(3, get3(obj0)()); 52%OptimizeFunctionOnNextCall(get3); 53assertEquals(3, get3(obj0)()); 54obj2.f3 = function() { return 6; }; 55assertEquals(6, get3(obj0)()); 56