1/* 2 * Copyright (C) 2006 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26function bludgeonArguments() { if (0) arguments; return function g() {} } 27h = bludgeonArguments(); 28gc(); 29 30var failed = false; 31function pass(msg) 32{ 33 print("PASS: " + msg, "green"); 34} 35 36function fail(msg) 37{ 38 print("FAIL: " + msg, "red"); 39 failed = true; 40} 41 42function shouldBe(a, b) 43{ 44 var evalA; 45 try { 46 evalA = eval(a); 47 } catch(e) { 48 evalA = e; 49 } 50 51 if (evalA == b || isNaN(evalA) && typeof evalA == 'number' && isNaN(b) && typeof b == 'number') 52 pass(a + " should be " + b + " and is."); 53 else 54 fail(a + " should be " + b + " but instead is " + evalA + "."); 55} 56 57function shouldThrow(a) 58{ 59 var evalA; 60 try { 61 eval(a); 62 } catch(e) { 63 pass(a + " threw: " + e); 64 return; 65 } 66 67 fail(a + " did not throw an exception."); 68} 69 70function globalStaticFunction() 71{ 72 return 4; 73} 74 75shouldBe("globalStaticValue", 3); 76shouldBe("globalStaticFunction()", 4); 77 78shouldBe("typeof MyObject", "function"); // our object implements 'call' 79MyObject.cantFind = 1; 80shouldBe("MyObject.cantFind", undefined); 81MyObject.regularType = 1; 82shouldBe("MyObject.regularType", 1); 83MyObject.alwaysOne = 2; 84shouldBe("MyObject.alwaysOne", 1); 85MyObject.cantDelete = 1; 86delete MyObject.cantDelete; 87shouldBe("MyObject.cantDelete", 1); 88shouldBe("delete MyObject.throwOnDelete", "an exception"); 89MyObject.cantSet = 1; 90shouldBe("MyObject.cantSet", undefined); 91shouldBe("MyObject.throwOnGet", "an exception"); 92shouldBe("MyObject.throwOnSet = 5", "an exception"); 93shouldBe("MyObject('throwOnCall')", "an exception"); 94shouldBe("new MyObject('throwOnConstruct')", "an exception"); 95shouldBe("'throwOnHasInstance' instanceof MyObject", "an exception"); 96 97MyObject.nullGetForwardSet = 1; 98shouldBe("MyObject.nullGetForwardSet", 1); 99 100var foundMyPropertyName = false; 101var foundRegularType = false; 102for (var p in MyObject) { 103 if (p == "myPropertyName") 104 foundMyPropertyName = true; 105 if (p == "regularType") 106 foundRegularType = true; 107} 108 109if (foundMyPropertyName) 110 pass("MyObject.myPropertyName was enumerated"); 111else 112 fail("MyObject.myPropertyName was not enumerated"); 113 114if (foundRegularType) 115 pass("MyObject.regularType was enumerated"); 116else 117 fail("MyObject.regularType was not enumerated"); 118 119var alwaysOneDescriptor = Object.getOwnPropertyDescriptor(MyObject, "alwaysOne"); 120shouldBe('typeof alwaysOneDescriptor', "object"); 121shouldBe('alwaysOneDescriptor.value', MyObject.alwaysOne); 122shouldBe('alwaysOneDescriptor.configurable', true); 123shouldBe('alwaysOneDescriptor.enumerable', false); // Actually it is. 124var cantFindDescriptor = Object.getOwnPropertyDescriptor(MyObject, "cantFind"); 125shouldBe('typeof cantFindDescriptor', "object"); 126shouldBe('cantFindDescriptor.value', MyObject.cantFind); 127shouldBe('cantFindDescriptor.configurable', true); 128shouldBe('cantFindDescriptor.enumerable', false); 129try { 130 // If getOwnPropertyDescriptor() returned an access descriptor, this wouldn't throw. 131 Object.getOwnPropertyDescriptor(MyObject, "throwOnGet"); 132} catch (e) { 133 pass("getting property descriptor of throwOnGet threw exception"); 134} 135var myPropertyNameDescriptor = Object.getOwnPropertyDescriptor(MyObject, "myPropertyName"); 136shouldBe('typeof myPropertyNameDescriptor', "object"); 137shouldBe('myPropertyNameDescriptor.value', MyObject.myPropertyName); 138shouldBe('myPropertyNameDescriptor.configurable', true); 139shouldBe('myPropertyNameDescriptor.enumerable', false); // Actually it is. 140try { 141 // if getOwnPropertyDescriptor() returned an access descriptor, this wouldn't throw. 142 Object.getOwnPropertyDescriptor(MyObject, "hasPropertyLie"); 143} catch (e) { 144 pass("getting property descriptor of hasPropertyLie threw exception"); 145} 146shouldBe('Object.getOwnPropertyDescriptor(MyObject, "doesNotExist")', undefined); 147 148myObject = new MyObject(); 149 150shouldBe("delete MyObject.regularType", true); 151shouldBe("MyObject.regularType", undefined); 152shouldBe("MyObject(0)", 1); 153shouldBe("MyObject()", undefined); 154shouldBe("typeof myObject", "object"); 155shouldBe("MyObject ? 1 : 0", true); // toBoolean 156shouldBe("+MyObject", 1); // toNumber 157shouldBe("(Object.prototype.toString.call(MyObject))", "[object MyObject]"); // Object.prototype.toString 158shouldBe("(MyObject.toString())", "[object MyObject]"); // toString 159shouldBe("String(MyObject)", "MyObjectAsString"); // toString 160shouldBe("MyObject - 0", 1); // toNumber 161shouldBe("MyObject.valueOf()", 1); // valueOf 162 163shouldBe("typeof MyConstructor", "object"); 164constructedObject = new MyConstructor(1); 165shouldBe("typeof constructedObject", "object"); 166shouldBe("constructedObject.value", 1); 167shouldBe("myObject instanceof MyObject", true); 168shouldBe("(new Object()) instanceof MyObject", false); 169 170shouldThrow("new MyBadConstructor()"); 171 172MyObject.nullGetSet = 1; 173shouldBe("MyObject.nullGetSet", 1); 174shouldThrow("MyObject.nullCall()"); 175shouldThrow("MyObject.hasPropertyLie"); 176 177derived = new Derived(); 178 179shouldBe("derived instanceof Derived", true); 180shouldBe("derived instanceof Base", true); 181 182// base properties and functions return 1 when called/gotten; derived, 2 183shouldBe("derived.baseProtoDup()", 2); 184shouldBe("derived.baseProto()", 1); 185shouldBe("derived.baseDup", 2); 186shouldBe("derived.baseOnly", 1); 187shouldBe("derived.protoOnly()", 2); 188shouldBe("derived.protoDup", 2); 189shouldBe("derived.derivedOnly", 2) 190 191shouldBe("derived.baseHardNull()", undefined) 192 193// base properties throw 1 when set; derived, 2 194shouldBe("derived.baseDup = 0", 2); 195shouldBe("derived.baseOnly = 0", 1); 196shouldBe("derived.derivedOnly = 0", 2) 197shouldBe("derived.protoDup = 0", 2); 198 199derived2 = new Derived2(); 200 201shouldBe("derived2 instanceof Derived2", true); 202shouldBe("derived2 instanceof Derived", true); 203shouldBe("derived2 instanceof Base", true); 204 205// base properties and functions return 1 when called/gotten; derived, 2 206shouldBe("derived2.baseProtoDup()", 2); 207shouldBe("derived2.baseProto()", 1); 208shouldBe("derived2.baseDup", 2); 209shouldBe("derived2.baseOnly", 1); 210shouldBe("derived2.protoOnly()", 2); 211shouldBe("derived2.protoDup", 2); 212shouldBe("derived2.derivedOnly", 2) 213 214// base properties throw 1 when set; derived, 2 215shouldBe("derived2.baseDup = 0", 2); 216shouldBe("derived2.baseOnly = 0", 1); 217shouldBe("derived2.derivedOnly = 0", 2) 218shouldBe("derived2.protoDup = 0", 2); 219 220shouldBe('Object.getOwnPropertyDescriptor(derived, "baseProto")', undefined); 221shouldBe('Object.getOwnPropertyDescriptor(derived, "baseProtoDup")', undefined); 222var baseDupDescriptor = Object.getOwnPropertyDescriptor(derived, "baseDup"); 223shouldBe('typeof baseDupDescriptor', "object"); 224shouldBe('baseDupDescriptor.value', derived.baseDup); 225shouldBe('baseDupDescriptor.configurable', true); 226shouldBe('baseDupDescriptor.enumerable', false); 227var baseOnlyDescriptor = Object.getOwnPropertyDescriptor(derived, "baseOnly"); 228shouldBe('typeof baseOnlyDescriptor', "object"); 229shouldBe('baseOnlyDescriptor.value', derived.baseOnly); 230shouldBe('baseOnlyDescriptor.configurable', true); 231shouldBe('baseOnlyDescriptor.enumerable', false); 232shouldBe('Object.getOwnPropertyDescriptor(derived, "protoOnly")', undefined); 233var protoDupDescriptor = Object.getOwnPropertyDescriptor(derived, "protoDup"); 234shouldBe('typeof protoDupDescriptor', "object"); 235shouldBe('protoDupDescriptor.value', derived.protoDup); 236shouldBe('protoDupDescriptor.configurable', true); 237shouldBe('protoDupDescriptor.enumerable', false); 238var derivedOnlyDescriptor = Object.getOwnPropertyDescriptor(derived, "derivedOnly"); 239shouldBe('typeof derivedOnlyDescriptor', "object"); 240shouldBe('derivedOnlyDescriptor.value', derived.derivedOnly); 241shouldBe('derivedOnlyDescriptor.configurable', true); 242shouldBe('derivedOnlyDescriptor.enumerable', false); 243 244shouldBe("undefined instanceof MyObject", false); 245EvilExceptionObject.hasInstance = function f() { return f(); }; 246EvilExceptionObject.__proto__ = undefined; 247shouldThrow("undefined instanceof EvilExceptionObject"); 248EvilExceptionObject.hasInstance = function () { return true; }; 249shouldBe("undefined instanceof EvilExceptionObject", true); 250 251EvilExceptionObject.toNumber = function f() { return f(); } 252shouldThrow("EvilExceptionObject*5"); 253EvilExceptionObject.toStringExplicit = function f() { return f(); } 254shouldThrow("String(EvilExceptionObject)"); 255 256shouldBe("console", "[object Console]"); 257shouldBe("typeof console.log", "function"); 258 259shouldBe("EmptyObject", "[object CallbackObject]"); 260 261for (var i = 0; i < 6; ++i) 262 PropertyCatchalls.x = i; 263shouldBe("PropertyCatchalls.x", 4); 264 265for (var i = 0; i < 6; ++i) 266 var x = PropertyCatchalls.x; 267shouldBe("x", null); 268var make_throw = 'make_throw'; 269shouldThrow("PropertyCatchalls[make_throw]=1"); 270make_throw = 0; 271shouldThrow("PropertyCatchalls[make_throw]=1"); 272 273for (var i = 0; i < 10; ++i) { 274 for (var p in PropertyCatchalls) { 275 if (p == "x") 276 continue; 277 shouldBe("p", i % 10); 278 break; 279 } 280} 281 282PropertyCatchalls.__proto__ = { y: 1 }; 283for (var i = 0; i < 6; ++i) 284 var y = PropertyCatchalls.y; 285shouldBe("y", null); 286 287var o = { __proto__: PropertyCatchalls }; 288for (var i = 0; i < 6; ++i) 289 var z = PropertyCatchalls.z; 290shouldBe("z", null); 291 292if (failed) 293 throw "Some tests failed"; 294