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 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 function testFunctionMirror(f) { 44 // Create mirror and JSON representation. 45 var mirror = debug.MakeMirror(f); 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); 53 assertTrue(mirror instanceof debug.ValueMirror); 54 assertTrue(mirror instanceof debug.ObjectMirror); 55 assertTrue(mirror instanceof debug.FunctionMirror); 56 57 // Check the mirror properties. 58 assertTrue(mirror.isFunction()); 59 assertEquals('function', mirror.type()); 60 assertFalse(mirror.isPrimitive()); 61 assertEquals("Function", mirror.className()); 62 assertEquals(f.name, mirror.name()); 63 assertTrue(mirror.resolved()); 64 assertEquals(f.toString(), mirror.source()); 65 assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror); 66 assertTrue(mirror.protoObject() instanceof debug.Mirror); 67 assertTrue(mirror.prototypeObject() instanceof debug.Mirror); 68 69 // Test text representation 70 assertEquals(f.toString(), mirror.toText()); 71 72 // Parse JSON representation and check. 73 var fromJSON = eval('(' + json + ')'); 74 assertEquals('function', fromJSON.type); 75 assertEquals('Function', fromJSON.className); 76 assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type); 77 assertEquals('Function', refs.lookup(fromJSON.constructorFunction.ref).name); 78 assertTrue(fromJSON.resolved); 79 assertEquals(f.name, fromJSON.name); 80 assertEquals(f.toString(), fromJSON.source); 81 82 // Check the formatted text (regress 1142074). 83 assertEquals(f.toString(), fromJSON.text); 84 } 85 86 87 // Test a number of different functions. 88 testFunctionMirror(function(){}); 89 testFunctionMirror(function a(){return 1;}); 90 testFunctionMirror(Math.sin); 91
