Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax |
| 6 | |
| 7 | function testAdd(mode) { |
| 8 | var a = []; |
| 9 | Object.defineProperty(a, "length", { writable : false}); |
| 10 | |
| 11 | function check(f) { |
| 12 | assertThrows(function() { f(a) }, TypeError); |
| 13 | assertFalse(0 in a); |
| 14 | assertEquals(0, a.length); |
| 15 | } |
| 16 | |
| 17 | function push(a) { |
| 18 | a.push(3); |
| 19 | } |
| 20 | |
| 21 | if (mode == "fast properties") %ToFastProperties(a); |
| 22 | |
| 23 | check(push); |
| 24 | check(push); |
| 25 | check(push); |
| 26 | %OptimizeFunctionOnNextCall(push); |
| 27 | check(push); |
| 28 | |
| 29 | function unshift(a) { |
| 30 | a.unshift(3); |
| 31 | } |
| 32 | |
| 33 | check(unshift); |
| 34 | check(unshift); |
| 35 | check(unshift); |
| 36 | %OptimizeFunctionOnNextCall(unshift); |
| 37 | check(unshift); |
| 38 | |
| 39 | function splice(a) { |
| 40 | a.splice(0, 0, 3); |
| 41 | } |
| 42 | |
| 43 | check(splice); |
| 44 | check(splice); |
| 45 | check(splice); |
| 46 | %OptimizeFunctionOnNextCall(splice); |
| 47 | check(splice); |
| 48 | } |
| 49 | |
| 50 | testAdd("fast properties"); |
| 51 | |
| 52 | testAdd("normalized"); |
| 53 | |
| 54 | function testRemove(a, mode) { |
| 55 | Object.defineProperty(a, "length", { writable : false}); |
| 56 | |
| 57 | function check(f) { |
| 58 | assertThrows(function() { f(a) }, TypeError); |
| 59 | assertEquals(3, a.length); |
| 60 | } |
| 61 | |
| 62 | if (mode == "fast properties") %ToFastProperties(a); |
| 63 | |
| 64 | function pop(a) { |
| 65 | a.pop(); |
| 66 | } |
| 67 | |
| 68 | check(pop); |
| 69 | check(pop); |
| 70 | check(pop); |
| 71 | %OptimizeFunctionOnNextCall(pop); |
| 72 | check(pop); |
| 73 | |
| 74 | function shift(a) { |
| 75 | a.shift(); |
| 76 | } |
| 77 | |
| 78 | check(shift); |
| 79 | check(shift); |
| 80 | check(shift); |
| 81 | %OptimizeFunctionOnNextCall(shift); |
| 82 | check(shift); |
| 83 | |
| 84 | function splice(a) { |
| 85 | a.splice(0, 1); |
| 86 | } |
| 87 | |
| 88 | check(splice); |
| 89 | check(splice); |
| 90 | check(splice); |
| 91 | %OptimizeFunctionOnNextCall(splice); |
| 92 | check(splice); |
| 93 | |
| 94 | %ClearFunctionTypeFeedback(pop); |
| 95 | %ClearFunctionTypeFeedback(shift); |
| 96 | %ClearFunctionTypeFeedback(splice); |
| 97 | } |
| 98 | |
| 99 | for (var i = 0; i < 3; i++) { |
| 100 | var a = [1, 2, 3]; |
| 101 | if (i == 1) { |
| 102 | a = [1, 2, 3.5]; |
| 103 | } else if (i == 2) { |
| 104 | a = [1, 2, "string"]; |
| 105 | } |
| 106 | testRemove(a, "fast properties"); |
| 107 | testRemove(a, "normalized"); |
| 108 | } |
| 109 | |
| 110 | var b = []; |
| 111 | Object.defineProperty(b.__proto__, "0", { |
| 112 | set : function(v) { |
| 113 | b.x = v; |
| 114 | Object.defineProperty(b, "length", { writable : false }); |
| 115 | }, |
| 116 | get: function() { |
| 117 | return b.x; |
| 118 | } |
| 119 | }); |
| 120 | |
| 121 | b = []; |
| 122 | try { |
| 123 | b.push(3, 4, 5); |
| 124 | } catch(e) { } |
| 125 | assertFalse(1 in b); |
| 126 | assertFalse(2 in b); |
| 127 | assertEquals(0, b.length); |
| 128 | |
| 129 | b = []; |
| 130 | try { |
| 131 | b.unshift(3, 4, 5); |
| 132 | } catch(e) { } |
| 133 | assertFalse(1 in b); |
| 134 | assertFalse(2 in b); |
| 135 | assertEquals(0, b.length); |
| 136 | |
| 137 | b = [1, 2]; |
| 138 | try { |
| 139 | b.unshift(3, 4, 5); |
| 140 | } catch(e) { } |
| 141 | assertEquals(3, b[0]); |
| 142 | assertEquals(4, b[1]); |
| 143 | assertEquals(5, b[2]); |
| 144 | assertEquals(1, b[3]); |
| 145 | assertEquals(2, b[4]); |
| 146 | assertEquals(5, b.length); |
| 147 | |
| 148 | b = [1, 2]; |
| 149 | |
| 150 | Object.defineProperty(b.__proto__, "4", { |
| 151 | set : function(v) { |
| 152 | b.z = v; |
| 153 | Object.defineProperty(b, "length", { writable : false }); |
| 154 | }, |
| 155 | get: function() { |
| 156 | return b.z; |
| 157 | } |
| 158 | }); |
| 159 | |
| 160 | try { |
| 161 | b.unshift(3, 4, 5); |
| 162 | } catch(e) { } |
| 163 | |
| 164 | assertFalse(2 in b); |
| 165 | assertFalse(3 in b); |
| 166 | assertEquals(2, b.length); |