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 unresolved functions. 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 var mirror = new debug.UnresolvedFunctionMirror("f"); 44 var serializer = debug.MakeMirrorSerializer(); 45 var json = JSON.stringify(serializer.serializeValue(mirror)); 46 var refs = new MirrorRefCache( 47 JSON.stringify(serializer.serializeReferencedObjects())); 48 49 // Check the mirror hierachy for unresolved functions. 50 assertTrue(mirror instanceof debug.Mirror); 51 assertTrue(mirror instanceof debug.ValueMirror); 52 assertTrue(mirror instanceof debug.ObjectMirror); 53 assertTrue(mirror instanceof debug.FunctionMirror); 54 55 // Check the mirror properties for unresolved functions. 56 assertTrue(mirror.isUnresolvedFunction()); 57 assertEquals('function', mirror.type()); 58 assertFalse(mirror.isPrimitive()); 59 assertEquals("Function", mirror.className()); 60 assertEquals("f", mirror.name()); 61 assertEquals('undefined', typeof mirror.inferredName()); 62 assertFalse(mirror.resolved()); 63 assertEquals(void 0, mirror.source()); 64 assertEquals('undefined', mirror.constructorFunction().type()); 65 assertEquals('undefined', mirror.protoObject().type()); 66 assertEquals('undefined', mirror.prototypeObject().type()); 67 68 // Parse JSON representation of unresolved functions and check. 69 var fromJSON = eval('(' + json + ')'); 70 assertEquals('function', fromJSON.type, 'Unexpected mirror type in JSON'); 71 assertEquals('Function', fromJSON.className, 'Unexpected mirror class name in JSON'); 72 assertEquals(mirror.constructorFunction().handle(), fromJSON.constructorFunction.ref, 'Unexpected constructor function handle in JSON'); 73 assertEquals('undefined', refs.lookup(fromJSON.constructorFunction.ref).type, 'Unexpected constructor function type in JSON'); 74 assertEquals(mirror.protoObject().handle(), fromJSON.protoObject.ref, 'Unexpected proto object handle in JSON'); 75 assertEquals('undefined', refs.lookup(fromJSON.protoObject.ref).type, 'Unexpected proto object type in JSON'); 76 assertEquals(mirror.prototypeObject().handle(), fromJSON.prototypeObject.ref, 'Unexpected prototype object handle in JSON'); 77 assertEquals('undefined', refs.lookup(fromJSON.prototypeObject.ref).type, 'Unexpected prototype object type in JSON'); 78 assertFalse(fromJSON.resolved); 79 assertEquals("f", fromJSON.name); 80 assertFalse('inferredName' in fromJSON); 81 assertEquals(void 0, fromJSON.source); 82