mirror-object.js revision a7e24c173cf37484693b9abb38e494fa7bd7baeb
1a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Copyright 2008 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Flags: --expose-debug-as debug 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Test the mirror object for objects 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction MirrorRefCache(json_refs) { 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var tmp = eval('(' + json_refs + ')'); 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block this.refs_ = []; 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (var i = 0; i < tmp.length; i++) { 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block this.refs_[tmp[i].handle] = tmp[i]; 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockMirrorRefCache.prototype.lookup = function(handle) { 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block return this.refs_[handle]; 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction testObjectMirror(obj, cls_name, ctor_name, hasSpecialProperties) { 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Create mirror and JSON representation. 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var mirror = debug.MakeMirror(obj); 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var serializer = debug.MakeMirrorSerializer(); 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var json = JSON.stringify(serializer.serializeValue(mirror)); 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var refs = new MirrorRefCache( 49a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block JSON.stringify(serializer.serializeReferencedObjects())); 50a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 51a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Check the mirror hierachy. 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(mirror instanceof debug.Mirror, 'Unexpected mirror hierachy'); 53a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(mirror instanceof debug.ValueMirror, 'Unexpected mirror hierachy'); 54a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(mirror instanceof debug.ObjectMirror, 'Unexpected mirror hierachy'); 55a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 56a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Check the mirror properties. 57a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(mirror.isObject(), 'Unexpected mirror'); 58a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals('object', mirror.type(), 'Unexpected mirror type'); 59a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertFalse(mirror.isPrimitive(), 'Unexpected primitive mirror'); 60a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(cls_name, mirror.className(), 'Unexpected mirror class name'); 61a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror, 'Unexpected mirror hierachy'); 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(ctor_name, mirror.constructorFunction().name(), 'Unexpected constructor function name'); 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(mirror.protoObject() instanceof debug.Mirror, 'Unexpected mirror hierachy'); 64a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(mirror.prototypeObject() instanceof debug.Mirror, 'Unexpected mirror hierachy'); 65a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertFalse(mirror.hasNamedInterceptor(), 'No named interceptor expected'); 66a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertFalse(mirror.hasIndexedInterceptor(), 'No indexed interceptor expected'); 67a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 68a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var names = mirror.propertyNames(); 69a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var properties = mirror.properties() 70a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(names.length, properties.length); 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (var i = 0; i < properties.length; i++) { 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(properties[i] instanceof debug.Mirror, 'Unexpected mirror hierachy'); 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(properties[i] instanceof debug.PropertyMirror, 'Unexpected mirror hierachy'); 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals('property', properties[i].type(), 'Unexpected mirror type'); 75a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(names[i], properties[i].name(), 'Unexpected property name'); 76a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 77a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 78a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (var p in obj) { 79a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var property_mirror = mirror.property(p); 80a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(property_mirror instanceof debug.PropertyMirror); 81a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(p, property_mirror.name()); 82a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If the object has some special properties don't test for these. 83a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (!hasSpecialProperties) { 84a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(0, property_mirror.attributes(), property_mirror.name()); 85a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertFalse(property_mirror.isReadOnly()); 86a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(property_mirror.isEnum()); 87a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(property_mirror.canDelete()); 88a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 89a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 90a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 91a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Parse JSON representation and check. 92a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var fromJSON = eval('(' + json + ')'); 93a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals('object', fromJSON.type, 'Unexpected mirror type in JSON'); 94a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(cls_name, fromJSON.className, 'Unexpected mirror class name in JSON'); 95a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(mirror.constructorFunction().handle(), fromJSON.constructorFunction.ref, 'Unexpected constructor function handle in JSON'); 96a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type, 'Unexpected constructor function type in JSON'); 97a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(ctor_name, refs.lookup(fromJSON.constructorFunction.ref).name, 'Unexpected constructor function name in JSON'); 98a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(mirror.protoObject().handle(), fromJSON.protoObject.ref, 'Unexpected proto object handle in JSON'); 99a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(mirror.protoObject().type(), refs.lookup(fromJSON.protoObject.ref).type, 'Unexpected proto object type in JSON'); 100a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(mirror.prototypeObject().handle(), fromJSON.prototypeObject.ref, 'Unexpected prototype object handle in JSON'); 101a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(mirror.prototypeObject().type(), refs.lookup(fromJSON.prototypeObject.ref).type, 'Unexpected prototype object type in JSON'); 102a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(void 0, fromJSON.namedInterceptor, 'No named interceptor expected in JSON'); 103a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(void 0, fromJSON.indexedInterceptor, 'No indexed interceptor expected in JSON'); 104a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 105a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Check that the serialization contains all properties. 106a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(names.length, fromJSON.properties.length, 'Some properties missing in JSON'); 107a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (var i = 0; i < fromJSON.properties.length; i++) { 108a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var name = fromJSON.properties[i].name; 109a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (typeof name == 'undefined') name = fromJSON.properties[i].index; 110a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var found = false; 111a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block for (var j = 0; j < names.length; j++) { 112a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (names[j] == name) { 113a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Check that serialized handle is correct. 114a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(properties[i].value().handle(), fromJSON.properties[i].ref, 'Unexpected serialized handle'); 115a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 116a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Check that serialized name is correct. 117a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(properties[i].name(), fromJSON.properties[i].name, 'Unexpected serialized name'); 118a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 119a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If property type is normal property type is not serialized. 120a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (properties[i].propertyType() != debug.PropertyType.Normal) { 121a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(properties[i].propertyType(), fromJSON.properties[i].propertyType, 'Unexpected serialized property type'); 122a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } else { 123a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(typeof(fromJSON.properties[i].propertyType) === 'undefined', 'Unexpected serialized property type'); 124a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 125a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 126a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // If there are no attributes attributes are not serialized. 127a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (properties[i].attributes() != debug.PropertyAttribute.None) { 128a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(properties[i].attributes(), fromJSON.properties[i].attributes, 'Unexpected serialized attributes'); 129a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } else { 130a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(typeof(fromJSON.properties[i].attributes) === 'undefined', 'Unexpected serialized attributes'); 131a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 132a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 133a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Lookup the serialized object from the handle reference. 134a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block var o = refs.lookup(fromJSON.properties[i].ref); 135a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(o != void 0, 'Referenced object is not serialized'); 136a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 137a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(properties[i].value().type(), o.type, 'Unexpected serialized property type for ' + name); 138a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (properties[i].value().isPrimitive()) { 139a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block // Special check for NaN as NaN == NaN is false. 140a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block if (properties[i].value().isNumber() && isNaN(properties[i].value().value())) { 141a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals('NaN', o.value, 'Unexpected serialized property value for ' + name); 142a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } else { 143a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(properties[i].value().value(), o.value, 'Unexpected serialized property value for ' + name); 144a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 145a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } else if (properties[i].value().isFunction()) { 146a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertEquals(properties[i].value().source(), o.source, 'Unexpected serialized property value for ' + name); 147a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 148a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block found = true; 149a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 150a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 151a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue(found, '"' + name + '" not found (' + json + ')'); 152a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block } 153a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 154a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 155a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 156a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfunction Point(x,y) { 157a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block this.x_ = x; 158a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block this.y_ = y; 159a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 160a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 161a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Test a number of different objects. 162a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror({}, 'Object', 'Object'); 163a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror({'a':1,'b':2}, 'Object', 'Object'); 164a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror({'1':void 0,'2':null,'f':function pow(x,y){return Math.pow(x,y);}}, 'Object', 'Object'); 165a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror(new Point(-1.2,2.003), 'Object', 'Point'); 166a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror(this, 'global', '', true); // Global object has special properties 167a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror(this.__proto__, 'Object', ''); 168a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror([], 'Array', 'Array'); 169a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror([1,2], 'Array', 'Array'); 170a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 171a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Test circular references. 172a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko = {}; 173a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko.o = o; 174a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror(o, 'Object', 'Object'); 175a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 176a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Test that non enumerable properties are part of the mirror 177a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockglobal_mirror = debug.MakeMirror(this); 178a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('property', global_mirror.property("Math").type()); 179a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(global_mirror.property("Math").isEnum(), "Math is enumerable" + global_mirror.property("Math").attributes()); 180a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 181a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockmath_mirror = global_mirror.property("Math").value(); 182a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('property', math_mirror.property("E").type()); 183a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(math_mirror.property("E").isEnum(), "Math.E is enumerable"); 184a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(math_mirror.property("E").isReadOnly()); 185a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(math_mirror.property("E").canDelete()); 186a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 187a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Test objects with JavaScript accessors. 188a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko = {} 189a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko.__defineGetter__('a', function(){return 'a';}); 190a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko.__defineSetter__('b', function(){}); 191a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko.__defineGetter__('c', function(){throw 'c';}); 192a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko.__defineSetter__('c', function(){throw 'c';}); 193a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlocktestObjectMirror(o, 'Object', 'Object'); 194a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockmirror = debug.MakeMirror(o); 195a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// a has getter but no setter. 196a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(mirror.property('a').hasGetter()); 197a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(mirror.property('a').hasSetter()); 198a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(debug.PropertyType.Callbacks, mirror.property('a').propertyType()); 199a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function', mirror.property('a').getter().type()); 200a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('undefined', mirror.property('a').setter().type()); 201a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function (){return \'a\';}', mirror.property('a').getter().source()); 202a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// b has setter but no getter. 203a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(mirror.property('b').hasGetter()); 204a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(mirror.property('b').hasSetter()); 205a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(debug.PropertyType.Callbacks, mirror.property('b').propertyType()); 206a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('undefined', mirror.property('b').getter().type()); 207a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function', mirror.property('b').setter().type()); 208a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function (){}', mirror.property('b').setter().source()); 209a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(mirror.property('b').isException()); 210a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// c has both getter and setter. The getter throws an exception. 211a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(mirror.property('c').hasGetter()); 212a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(mirror.property('c').hasSetter()); 213a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals(debug.PropertyType.Callbacks, mirror.property('c').propertyType()); 214a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function', mirror.property('c').getter().type()); 215a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function', mirror.property('c').setter().type()); 216a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function (){throw \'c\';}', mirror.property('c').getter().source()); 217a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('function (){throw \'c\';}', mirror.property('c').setter().source()); 218a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 219a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Test objects with native accessors. 220a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockmirror = debug.MakeMirror(new String('abc')); 221a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(mirror instanceof debug.ObjectMirror); 222a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(mirror.property('length').hasGetter()); 223a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(mirror.property('length').hasSetter()); 224a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(mirror.property('length').isNative()); 225a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('a', mirror.property(0).value().value()); 226a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('b', mirror.property(1).value().value()); 227a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertEquals('c', mirror.property(2).value().value()); 228