Ben Murdoch | 7f4d5bd | 2010-06-15 11:15:29 +0100 | [diff] [blame] | 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); |
Kristian Monsen | 9dcf7e2 | 2010-06-28 14:14:28 +0100 | [diff] [blame] | 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]); |