1 // Copyright 2008 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 // Flags: --expose-debug-as debug 29 // Test the mirror object for objects 30 31 function MirrorRefCache(json_refs) { 32 var tmp = eval('(' + json_refs + ')'); 33 this.refs_ = []; 34 for (var i = 0; i < tmp.length; i++) { 35 this.refs_[tmp[i].handle] = tmp[i]; 36 } 37 } 38 39 MirrorRefCache.prototype.lookup = function(handle) { 40 return this.refs_[handle]; 41 } 42 43 function testArrayMirror(a, names) { 44 // Create mirror and JSON representation. 45 var mirror = debug.MakeMirror(a); 46 var serializer = debug.MakeMirrorSerializer(); 47 var json = JSON.stringify(serializer.serializeValue(mirror)); 48 var refs = new MirrorRefCache( 49 JSON.stringify(serializer.serializeReferencedObjects())); 50 51 // Check the mirror hierachy. 52 assertTrue(mirror instanceof debug.Mirror, 'Unexpected mirror hierachy'); 53 assertTrue(mirror instanceof debug.ValueMirror, 'Unexpected mirror hierachy'); 54 assertTrue(mirror instanceof debug.ObjectMirror, 'Unexpected mirror hierachy'); 55 assertTrue(mirror instanceof debug.ArrayMirror, 'Unexpected mirror hierachy'); 56 57 // Check the mirror properties. 58 assertTrue(mirror.isArray(), 'Unexpected mirror'); 59 assertEquals('object', mirror.type(), 'Unexpected mirror type'); 60 assertFalse(mirror.isPrimitive(), 'Unexpected primitive mirror'); 61 assertEquals('Array', mirror.className(), 'Unexpected mirror class name'); 62 assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror, 'Unexpected mirror hierachy'); 63 assertEquals('Array', mirror.constructorFunction().name(), 'Unexpected constructor function name'); 64 assertTrue(mirror.protoObject() instanceof debug.Mirror, 'Unexpected mirror hierachy'); 65 assertTrue(mirror.prototypeObject() instanceof debug.Mirror, 'Unexpected mirror hierachy'); 66 assertEquals(mirror.length(), a.length, "Length mismatch"); 67 68 var indexedProperties = mirror.indexedPropertiesFromRange(); 69 assertEquals(indexedProperties.length, a.length); 70 for (var i = 0; i < indexedProperties.length; i++) { 71 assertTrue(indexedProperties[i] instanceof debug.Mirror, 'Unexpected mirror hierachy'); 72 assertTrue(indexedProperties[i] instanceof debug.PropertyMirror, 'Unexpected mirror hierachy'); 73 } 74 75 // Parse JSON representation and check. 76 var fromJSON = eval('(' + json + ')'); 77 assertEquals('object', fromJSON.type, 'Unexpected mirror type in JSON'); 78 assertEquals('Array', fromJSON.className, 'Unexpected mirror class name in JSON'); 79 assertEquals(mirror.constructorFunction().handle(), fromJSON.constructorFunction.ref, 'Unexpected constructor function handle in JSON'); 80 assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type, 'Unexpected constructor function type in JSON'); 81 assertEquals('Array', refs.lookup(fromJSON.constructorFunction.ref).name, 'Unexpected constructor function name in JSON'); 82 assertEquals(void 0, fromJSON.namedInterceptor, 'No named interceptor expected in JSON'); 83 assertEquals(void 0, fromJSON.indexedInterceptor, 'No indexed interceptor expected in JSON'); 84 85 // Check that the serialization contains all indexed properties and the length property. 86 var length_found = false; 87 for (var i = 0; i < fromJSON.properties.length; i++) { 88 if (fromJSON.properties[i].name == 'length') { 89 length_found = true; 90 assertEquals('number', refs.lookup(fromJSON.properties[i].ref).type, "Unexpected type of the length property"); 91 assertEquals(a.length, refs.lookup(fromJSON.properties[i].ref).value, "Length mismatch in parsed JSON"); 92 } else { 93 var index = parseInt(fromJSON.properties[i].name); 94 print(index); 95 if (!isNaN(index)) { 96 print(index); 97 // This test assumes that the order of the indexeed properties is in the 98 // same order in the serialization as returned from 99 // indexedPropertiesFromRange() 100 assertEquals(indexedProperties[index].name(), index); 101 assertEquals(indexedProperties[index].value().type(), refs.lookup(fromJSON.properties[i].ref).type, 'Unexpected serialized type'); 102 } 103 } 104 } 105 assertTrue(length_found, 'Property length not found'); 106 107 // Check that the serialization contains all names properties. 108 if (names) { 109 for (var i = 0; i < names.length; i++) { 110 var found = false; 111 for (var j = 0; j < fromJSON.properties.length; j++) { 112 if (names[i] == fromJSON.properties[j].name) { 113 found = true; 114 } 115 } 116 assertTrue(found, names[i]) 117 } 118 } 119 } 120 121 122 // Test a number of different arrays. 123 testArrayMirror([]); 124 testArrayMirror([1]); 125 testArrayMirror([1,2]); 126 testArrayMirror(["a", function(){}, [1,2], 2, /[ab]/]); 127 128 a=[1]; 129 a[100]=7; 130 testArrayMirror(a); 131 132 a=[1,2,3]; 133 a.x=2.2; 134 a.y=function(){return null;} 135 testArrayMirror(a, ['x','y']); 136 137 var a = []; a.push(a); 138 testArrayMirror(a); 139
