Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1 | // Copyright 2015 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: --strong-mode --allow-natives-syntax |
| 6 | |
| 7 | // TODO(conradw): Track implementation of strong bit for other objects, add |
| 8 | // tests. |
| 9 | |
| 10 | function getSloppyObjects() { |
| 11 | return [(function(){}), ({})]; |
| 12 | } |
| 13 | |
| 14 | function getStrictObjects() { |
| 15 | "use strict"; |
| 16 | return [(function(){}), ({})]; |
| 17 | } |
| 18 | |
| 19 | function getWeakObjects() { |
| 20 | return getSloppyObjects().concat(getStrictObjects()); |
| 21 | } |
| 22 | |
| 23 | function getStrongObjects() { |
| 24 | "use strong"; |
| 25 | // Strong functions can't have properties added to them, and will be tested as a |
| 26 | // special case. |
| 27 | return [({})]; |
| 28 | } |
| 29 | |
| 30 | function strongFunction() { |
| 31 | "use strong"; |
| 32 | } |
| 33 | |
| 34 | function deleteFromObjectSloppy(o) { |
| 35 | return delete o.foo; |
| 36 | } |
| 37 | |
| 38 | function deleteFromObjectKeyedSloppy(o) { |
| 39 | return delete o["foo"]; |
| 40 | } |
| 41 | |
| 42 | function deleteFromObjectKeyedVarSloppy(o) { |
| 43 | var a = "foo"; |
| 44 | return delete o[a]; |
| 45 | } |
| 46 | |
| 47 | function deleteFromObjectKeyedComputedSloppy(o) { |
| 48 | var a = "o"; |
| 49 | return delete o["fo" + a]; |
| 50 | } |
| 51 | |
| 52 | function deleteFromObjectWith(o) { |
| 53 | with (o) { |
| 54 | return delete foo; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | function deleteFromObjectElementSloppy(o) { |
| 59 | return delete o[0]; |
| 60 | } |
| 61 | |
| 62 | function deleteFromObjectElementVarSloppy(o) { |
| 63 | var a = 0; |
| 64 | return delete o[a]; |
| 65 | } |
| 66 | |
| 67 | function deleteFromObjectElementSparseSloppy(o) { |
| 68 | return delete o[100000]; |
| 69 | } |
| 70 | |
| 71 | function deleteFromObjectElementVarSloppy(o) { |
| 72 | var a = 0; |
| 73 | return delete o[a]; |
| 74 | } |
| 75 | |
| 76 | function deleteFromObjectElementSparseVarSloppy(o) { |
| 77 | var a = 100000; |
| 78 | return delete o[a]; |
| 79 | } |
| 80 | |
| 81 | function deleteFromObjectStrict(o) { |
| 82 | "use strict"; |
| 83 | return delete o.foo; |
| 84 | } |
| 85 | |
| 86 | function deleteFromObjectKeyedStrict(o) { |
| 87 | "use strict"; |
| 88 | return delete o["foo"]; |
| 89 | } |
| 90 | |
| 91 | function deleteFromObjectKeyedVarStrict(o) { |
| 92 | "use strict"; |
| 93 | var a = "foo"; |
| 94 | return delete o[a]; |
| 95 | } |
| 96 | |
| 97 | function deleteFromObjectKeyedComputedStrict(o) { |
| 98 | "use strict"; |
| 99 | var a = "o"; |
| 100 | return delete o["fo" + a]; |
| 101 | } |
| 102 | |
| 103 | function deleteFromObjectElementStrict(o) { |
| 104 | "use strict"; |
| 105 | return delete o[0]; |
| 106 | } |
| 107 | |
| 108 | function deleteFromObjectElementSparseStrict(o) { |
| 109 | "use strict"; |
| 110 | return delete o[100000]; |
| 111 | } |
| 112 | |
| 113 | function deleteFromObjectElementVarStrict(o) { |
| 114 | "use strict"; |
| 115 | var a = 0; |
| 116 | return delete o[a]; |
| 117 | } |
| 118 | |
| 119 | function deleteFromObjectElementSparseVarStrict(o) { |
| 120 | "use strict"; |
| 121 | var a = 100000; |
| 122 | return delete o[a]; |
| 123 | } |
| 124 | |
| 125 | function testStrongObjectDelete() { |
| 126 | "use strict"; |
| 127 | |
| 128 | let deletePropertyFuncsSloppy = [ |
| 129 | deleteFromObjectSloppy, |
| 130 | deleteFromObjectKeyedSloppy, |
| 131 | deleteFromObjectKeyedVarSloppy, |
| 132 | deleteFromObjectKeyedComputedSloppy, |
| 133 | deleteFromObjectWith |
| 134 | ]; |
| 135 | let deletePropertyFuncsStrict = [ |
| 136 | deleteFromObjectStrict, |
| 137 | deleteFromObjectKeyedStrict, |
| 138 | deleteFromObjectKeyedVarStrict, |
| 139 | deleteFromObjectKeyedComputedStrict |
| 140 | ]; |
| 141 | let deleteElementFuncsSloppy = [ |
| 142 | deleteFromObjectElementSloppy, |
| 143 | deleteFromObjectElementVarSloppy |
| 144 | ]; |
| 145 | let deleteElementSparseFuncsSloppy = [ |
| 146 | deleteFromObjectElementSparseSloppy, |
| 147 | deleteFromObjectElementSparseVarSloppy |
| 148 | ]; |
| 149 | let deleteElementFuncsStrict = [ |
| 150 | deleteFromObjectElementStrict, |
| 151 | deleteFromObjectElementVarStrict |
| 152 | ]; |
| 153 | let deleteElementSparseFuncsStrict = [ |
| 154 | deleteFromObjectElementSparseStrict, |
| 155 | deleteFromObjectElementSparseVarStrict |
| 156 | ]; |
| 157 | let deleteFuncs = deletePropertyFuncsSloppy.concat( |
| 158 | deletePropertyFuncsStrict, deleteElementFuncsSloppy, |
| 159 | deleteElementSparseFuncsSloppy, deleteElementFuncsStrict, |
| 160 | deleteElementSparseFuncsStrict); |
| 161 | |
| 162 | for (let deleteFunc of deleteFuncs) { |
| 163 | assertTrue(deleteFunc(strongFunction)); |
| 164 | } |
| 165 | |
| 166 | let testCasesSloppy = [ |
| 167 | [deletePropertyFuncsSloppy, "foo"], |
| 168 | [deleteElementFuncsSloppy, "0"], |
| 169 | [deleteElementSparseFuncsSloppy, "100000"] |
| 170 | ]; |
| 171 | |
| 172 | let testCasesStrict = [ |
| 173 | [deletePropertyFuncsStrict, "foo"], |
| 174 | [deleteElementFuncsStrict, "0"], |
| 175 | [deleteElementSparseFuncsStrict, "100000"] |
| 176 | ]; |
| 177 | |
| 178 | let propDescs = [ |
| 179 | {configurable: true, value: "bar"}, |
| 180 | {configurable: true, value: 1}, |
| 181 | {configurable: true, enumerable: true, writable: true, value: "bar"}, |
| 182 | {configurable: true, enumerable: true, writable: true, value: 1}, |
| 183 | {configurable: true, get: (function(){return 0}), set: (function(x){})} |
| 184 | ]; |
| 185 | |
| 186 | for (let propDesc of propDescs) { |
| 187 | for (let testCase of testCasesSloppy) { |
| 188 | let name = testCase[1]; |
| 189 | for (let deleteFunc of testCase[0]) { |
| 190 | for (let o of getWeakObjects()) { |
| 191 | Object.defineProperty(o, name, propDesc); |
| 192 | assertTrue(delete o["bar"]); |
| 193 | assertTrue(delete o[5000]); |
| 194 | assertTrue(deleteFunc(o)); |
| 195 | assertFalse(o.hasOwnProperty(name)); |
| 196 | %OptimizeFunctionOnNextCall(deleteFunc); |
| 197 | Object.defineProperty(o, name, propDesc); |
| 198 | assertTrue(deleteFunc(o)); |
| 199 | assertFalse(o.hasOwnProperty(name)); |
| 200 | %DeoptimizeFunction(deleteFunc); |
| 201 | Object.defineProperty(o, name, propDesc); |
| 202 | assertTrue(deleteFunc(o)); |
| 203 | assertFalse(o.hasOwnProperty(name)); |
| 204 | } |
| 205 | for (let o of getStrongObjects()) { |
| 206 | Object.defineProperty(o, name, propDesc); |
| 207 | assertTrue(delete o["bar"]); |
| 208 | assertTrue(delete o[5000]); |
| 209 | assertFalse(deleteFunc(o)); |
| 210 | assertTrue(o.hasOwnProperty(name)); |
| 211 | %OptimizeFunctionOnNextCall(deleteFunc); |
| 212 | assertFalse(deleteFunc(o)); |
| 213 | assertTrue(o.hasOwnProperty(name)); |
| 214 | %DeoptimizeFunction(deleteFunc); |
| 215 | assertFalse(deleteFunc(o)); |
| 216 | assertTrue(o.hasOwnProperty(name)); |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | for (let testCase of testCasesStrict) { |
| 221 | let name = testCase[1]; |
| 222 | for (let deleteFunc of testCase[0]) { |
| 223 | for (let o of getWeakObjects()) { |
| 224 | Object.defineProperty(o, name, propDesc); |
| 225 | assertTrue(delete o["bar"]); |
| 226 | assertTrue(delete o[5000]); |
| 227 | assertTrue(deleteFunc(o)); |
| 228 | assertFalse(o.hasOwnProperty(name)); |
| 229 | %OptimizeFunctionOnNextCall(deleteFunc); |
| 230 | Object.defineProperty(o, name, propDesc); |
| 231 | assertTrue(deleteFunc(o)); |
| 232 | assertFalse(o.hasOwnProperty(name)); |
| 233 | %DeoptimizeFunction(deleteFunc); |
| 234 | Object.defineProperty(o, name, propDesc); |
| 235 | assertTrue(deleteFunc(o)); |
| 236 | assertFalse(o.hasOwnProperty(name)); |
| 237 | } |
| 238 | for (let o of getStrongObjects()) { |
| 239 | Object.defineProperty(o, name, propDesc); |
| 240 | assertTrue(delete o["bar"]); |
| 241 | assertTrue(delete o[5000]); |
| 242 | assertThrows(function(){deleteFunc(o)}, TypeError); |
| 243 | assertTrue(o.hasOwnProperty(name)); |
| 244 | %OptimizeFunctionOnNextCall(deleteFunc); |
| 245 | assertThrows(function(){deleteFunc(o)}, TypeError); |
| 246 | assertTrue(o.hasOwnProperty(name)); |
| 247 | %DeoptimizeFunction(deleteFunc); |
| 248 | assertThrows(function(){deleteFunc(o)}, TypeError); |
| 249 | assertTrue(o.hasOwnProperty(name)); |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | testStrongObjectDelete(); |