1 // Copyright 2010 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 // A test for keyed call ICs with a mix of smi and string keys. 29 30 function testOne(receiver, key, result) { 31 for(var i = 0; i != 10; i++ ) { 32 assertEquals(result, receiver[key]()); 33 } 34 } 35 36 function testMany(receiver, keys, results) { 37 for (var i = 0; i != 10; i++) { 38 for (var k = 0; k != keys.length; k++) { 39 assertEquals(results[k], receiver[keys[k]]()); 40 } 41 } 42 } 43 44 var toStringNonSymbol = 'to'; 45 toStringNonSymbol += 'String'; 46 47 function TypeOfThis() { return typeof this; } 48 49 Number.prototype.square = function() { return this * this; } 50 Number.prototype.power4 = function() { return this.square().square(); } 51 52 Number.prototype.type = TypeOfThis; 53 String.prototype.type = TypeOfThis; 54 Boolean.prototype.type = TypeOfThis; 55 56 // Use a non-symbol key to force inline cache to generic case. 57 testOne(0, toStringNonSymbol, '0'); 58 59 testOne(1, 'toString', '1'); 60 testOne('1', 'toString', '1'); 61 testOne(1.0, 'toString', '1'); 62 63 testOne(1, 'type', 'object'); 64 testOne(2.3, 'type', 'object'); 65 testOne('x', 'type', 'object'); 66 testOne(true, 'type', 'object'); 67 testOne(false, 'type', 'object'); 68 69 testOne(2, 'square', 4); 70 testOne(2, 'power4', 16); 71 72 function zero () { return 0; } 73 function one () { return 1; } 74 function two () { return 2; } 75 76 var fixed_array = [zero, one, two]; 77 78 var dict_array = [ zero, one, two ]; 79 dict_array[100000] = 1; 80 81 var fast_prop = { zero: zero, one: one, two: two }; 82 83 var normal_prop = { zero: zero, one: one, two: two }; 84 normal_prop.x = 0; 85 delete normal_prop.x; 86 87 var first3num = [0, 1, 2]; 88 var first3str = ['zero', 'one', 'two']; 89 90 // Use a non-symbol key to force inline cache to generic case. 91 testMany('123', [toStringNonSymbol, 'charAt', 'charCodeAt'], ['123', '1', 49]); 92 93 testMany(fixed_array, first3num, first3num); 94 testMany(dict_array, first3num, first3num); 95 testMany(fast_prop, first3str, first3num); 96 testMany(normal_prop, first3str, first3num); 97 98 99 function testException(receiver, keys, exceptions) { 100 for (var i = 0; i != 10; i++) { 101 for (var k = 0; k != keys.length; k++) { 102 var thrown = false; 103 try { 104 var result = receiver[keys[k]](); 105 } catch (e) { 106 thrown = true; 107 } 108 assertEquals(exceptions[k], thrown); 109 } 110 } 111 } 112 113 testException([zero, one, /* hole */ ], [0, 1, 2], [false, false, true]); 114
