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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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