1// Copyright 2012 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 CompareIC stubs for normal and strict equality comparison of known 31// objects in slow mode. These objects share the same map even though they 32// might have completely different properties. 33 34function eq(a, b) { 35 return a == b; 36} 37 38function eq_strict(a, b) { 39 return a === b; 40} 41 42function test(a, b) { 43 // Check CompareIC for equality of known objects. 44 assertTrue(eq(a, a)); 45 assertTrue(eq(b, b)); 46 assertFalse(eq(a, b)); 47 // Check CompareIC for strict equality of known objects. 48 assertTrue(eq_strict(a, a)); 49 assertTrue(eq_strict(b, b)); 50 assertFalse(eq_strict(a, b)); 51} 52 53// Prepare two objects in slow mode that have the same map. 54var obj1 = %OptimizeObjectForAddingMultipleProperties({}, 1); 55var obj2 = %OptimizeObjectForAddingMultipleProperties({}, 1); 56 57// Test original objects. 58assertTrue(%HaveSameMap(obj1, obj2)); 59test(obj1, obj2); 60 61// Test after adding property to first object. 62obj1.x = 1; 63assertTrue(%HaveSameMap(obj1, obj2)); 64test(obj1, obj2); 65 66// Test after adding property to second object. 67obj2.y = 2; 68assertTrue(%HaveSameMap(obj1, obj2)); 69test(obj1, obj2); 70