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 hydrogen. 32 33 function lt(a, b) { 34 return a < b; 35 } 36 37 function gt(a, b) { 38 return a > b; 39 } 40 41 function eq(a, b) { 42 return a == b; 43 } 44 45 function eq_strict(a, b) { 46 return a === b; 47 } 48 49 function test(a, b, less, greater) { 50 // Check CompareIC for equality of known objects. 51 assertTrue(eq(a, a)); 52 assertTrue(eq(b, b)); 53 assertFalse(eq(a, b)); 54 assertTrue(eq_strict(a, a)); 55 assertTrue(eq_strict(b, b)); 56 assertFalse(eq_strict(a, b)); 57 assertEquals(lt(a, b), less); 58 assertEquals(gt(a, b), greater); 59 assertEquals(lt(b, a), greater); 60 assertEquals(gt(b, a), less); 61 } 62 63 var obj1 = {toString: function() {return "1";}}; 64 var obj2 = {toString: function() {return "2";}}; 65 66 var less = obj1 < obj2; 67 var greater = obj1 > obj2; 68 69 test(obj1, obj2, less, greater); 70 test(obj1, obj2, less, greater); 71 test(obj1, obj2, less, greater); 72 %OptimizeFunctionOnNextCall(test); 73 test(obj1, obj2, less, greater); 74 test(obj1, obj2, less, greater); 75 76 obj1.x = 1; 77 test(obj1, obj2, less, greater); 78 79 obj2.y = 2; 80 test(obj1, obj2, less, greater); 81 82 var obj1 = {test: 3}; 83 var obj2 = {test2: 3}; 84 85 var less = obj1 < obj2; 86 var greater = obj1 > obj2; 87 88 test(obj1, obj2, less, greater); 89 test(obj1, obj2, less, greater); 90 test(obj1, obj2, less, greater); 91 %OptimizeFunctionOnNextCall(test); 92 test(obj1, obj2, less, greater); 93 test(obj1, obj2, less, greater); 94 95 obj1.toString = function() {return "1"}; 96 var less = obj1 < obj2; 97 var greater = obj1 > obj2; 98 test(obj1, obj2, less, greater); 99 %OptimizeFunctionOnNextCall(test); 100 test(obj1, obj2, less, greater); 101 102 obj2.toString = function() {return "2"}; 103 var less = true; 104 var greater = false; 105 106 test(obj1, obj2, less, greater); 107 obj2.y = 2; 108 test(obj1, obj2, less, greater); 109
