JezK
Edit File: mirror-array.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --expose-debug-as debug // Test the mirror object for objects function MirrorRefCache(json_refs) { var tmp = eval('(' + json_refs + ')'); this.refs_ = []; for (var i = 0; i < tmp.length; i++) { this.refs_[tmp[i].handle] = tmp[i]; } } MirrorRefCache.prototype.lookup = function(handle) { return this.refs_[handle]; } function testArrayMirror(a, names) { // Create mirror and JSON representation. var mirror = debug.MakeMirror(a); var serializer = debug.MakeMirrorSerializer(); var json = JSON.stringify(serializer.serializeValue(mirror)); var refs = new MirrorRefCache( JSON.stringify(serializer.serializeReferencedObjects())); // Check the mirror hierachy. assertTrue(mirror instanceof debug.Mirror, 'Unexpected mirror hierachy'); assertTrue(mirror instanceof debug.ValueMirror, 'Unexpected mirror hierachy'); assertTrue(mirror instanceof debug.ObjectMirror, 'Unexpected mirror hierachy'); assertTrue(mirror instanceof debug.ArrayMirror, 'Unexpected mirror hierachy'); // Check the mirror properties. assertTrue(mirror.isArray(), 'Unexpected mirror'); assertEquals('object', mirror.type(), 'Unexpected mirror type'); assertFalse(mirror.isPrimitive(), 'Unexpected primitive mirror'); assertEquals('Array', mirror.className(), 'Unexpected mirror class name'); assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror, 'Unexpected mirror hierachy'); assertEquals('Array', mirror.constructorFunction().name(), 'Unexpected constructor function name'); assertTrue(mirror.protoObject() instanceof debug.Mirror, 'Unexpected mirror hierachy'); assertTrue(mirror.prototypeObject() instanceof debug.Mirror, 'Unexpected mirror hierachy'); assertEquals(mirror.length(), a.length, "Length mismatch"); var indexedProperties = mirror.indexedPropertiesFromRange(); assertEquals(indexedProperties.length, a.length); for (var i = 0; i < indexedProperties.length; i++) { assertTrue(indexedProperties[i] instanceof debug.Mirror, 'Unexpected mirror hierachy'); assertTrue(indexedProperties[i] instanceof debug.PropertyMirror, 'Unexpected mirror hierachy'); } // Parse JSON representation and check. var fromJSON = eval('(' + json + ')'); assertEquals('object', fromJSON.type, 'Unexpected mirror type in JSON'); assertEquals('Array', fromJSON.className, 'Unexpected mirror class name in JSON'); assertEquals(mirror.constructorFunction().handle(), fromJSON.constructorFunction.ref, 'Unexpected constructor function handle in JSON'); assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type, 'Unexpected constructor function type in JSON'); assertEquals('Array', refs.lookup(fromJSON.constructorFunction.ref).name, 'Unexpected constructor function name in JSON'); assertEquals(void 0, fromJSON.namedInterceptor, 'No named interceptor expected in JSON'); assertEquals(void 0, fromJSON.indexedInterceptor, 'No indexed interceptor expected in JSON'); // Check that the serialization contains all indexed properties and the length property. var length_found = false; for (var i = 0; i < fromJSON.properties.length; i++) { if (fromJSON.properties[i].name == 'length') { length_found = true; assertEquals('number', refs.lookup(fromJSON.properties[i].ref).type, "Unexpected type of the length property"); assertEquals(a.length, refs.lookup(fromJSON.properties[i].ref).value, "Length mismatch in parsed JSON"); } else { var index = parseInt(fromJSON.properties[i].name); print(index); if (!isNaN(index)) { print(index); // This test assumes that the order of the indexeed properties is in the // same order in the serialization as returned from // indexedPropertiesFromRange() assertEquals(indexedProperties[index].name(), index); assertEquals(indexedProperties[index].value().type(), refs.lookup(fromJSON.properties[i].ref).type, 'Unexpected serialized type'); } } } assertTrue(length_found, 'Property length not found'); // Check that the serialization contains all names properties. if (names) { for (var i = 0; i < names.length; i++) { var found = false; for (var j = 0; j < fromJSON.properties.length; j++) { if (names[i] == fromJSON.properties[j].name) { found = true; } } assertTrue(found, names[i]) } } } // Test a number of different arrays. testArrayMirror([]); testArrayMirror([1]); testArrayMirror([1,2]); testArrayMirror(["a", function(){}, [1,2], 2, /[ab]/]); a=[1]; a[100]=7; testArrayMirror(a); a=[1,2,3]; a.x=2.2; a.y=function(){return null;} testArrayMirror(a, ['x','y']); var a = []; a.push(a); testArrayMirror(a);