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| 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 testFunctionMirror((function(){}).bind({}), "Object"); | |
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