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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 objects | |
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 testArrayMirror(a, names) { | |
44 // Create mirror and JSON representation. | |
45 var mirror = debug.MakeMirror(a); | |
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, 'Unexpected mirror hierachy'); | |
53 assertTrue(mirror instanceof debug.ValueMirror, 'Unexpected mirror hierachy'); | |
54 assertTrue(mirror instanceof debug.ObjectMirror, 'Unexpected mirror hierachy')
; | |
55 assertTrue(mirror instanceof debug.ArrayMirror, 'Unexpected mirror hierachy'); | |
56 | |
57 // Check the mirror properties. | |
58 assertTrue(mirror.isArray(), 'Unexpected mirror'); | |
59 assertEquals('object', mirror.type(), 'Unexpected mirror type'); | |
60 assertFalse(mirror.isPrimitive(), 'Unexpected primitive mirror'); | |
61 assertEquals('Array', mirror.className(), 'Unexpected mirror class name'); | |
62 assertTrue(mirror.constructorFunction() instanceof debug.ObjectMirror, 'Unexpe
cted mirror hierachy'); | |
63 assertEquals('Array', mirror.constructorFunction().name(), 'Unexpected constru
ctor function name'); | |
64 assertTrue(mirror.protoObject() instanceof debug.Mirror, 'Unexpected mirror hi
erachy'); | |
65 assertTrue(mirror.prototypeObject() instanceof debug.Mirror, 'Unexpected mirro
r hierachy'); | |
66 assertEquals(mirror.length(), a.length, "Length mismatch"); | |
67 | |
68 var indexedProperties = mirror.indexedPropertiesFromRange(); | |
69 assertEquals(indexedProperties.length, a.length); | |
70 for (var i = 0; i < indexedProperties.length; i++) { | |
71 assertTrue(indexedProperties[i] instanceof debug.Mirror, 'Unexpected mirror
hierachy'); | |
72 assertTrue(indexedProperties[i] instanceof debug.PropertyMirror, 'Unexpected
mirror hierachy'); | |
73 } | |
74 | |
75 // Parse JSON representation and check. | |
76 var fromJSON = eval('(' + json + ')'); | |
77 assertEquals('object', fromJSON.type, 'Unexpected mirror type in JSON'); | |
78 assertEquals('Array', fromJSON.className, 'Unexpected mirror class name in JSO
N'); | |
79 assertEquals(mirror.constructorFunction().handle(), fromJSON.constructorFuncti
on.ref, 'Unexpected constructor function handle in JSON'); | |
80 assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type, '
Unexpected constructor function type in JSON'); | |
81 assertEquals('Array', refs.lookup(fromJSON.constructorFunction.ref).name, 'Une
xpected constructor function name in JSON'); | |
82 assertEquals(void 0, fromJSON.namedInterceptor, 'No named interceptor expected
in JSON'); | |
83 assertEquals(void 0, fromJSON.indexedInterceptor, 'No indexed interceptor expe
cted in JSON'); | |
84 | |
85 // Check that the serialization contains all indexed properties and the length
property. | |
86 var length_found = false; | |
87 for (var i = 0; i < fromJSON.properties.length; i++) { | |
88 if (fromJSON.properties[i].name == 'length') { | |
89 length_found = true; | |
90 assertEquals('number', refs.lookup(fromJSON.properties[i].ref).type, "Unex
pected type of the length property"); | |
91 assertEquals(a.length, refs.lookup(fromJSON.properties[i].ref).value, "Len
gth mismatch in parsed JSON"); | |
92 } else { | |
93 var index = parseInt(fromJSON.properties[i].name); | |
94 print(index); | |
95 if (!isNaN(index)) { | |
96 print(index); | |
97 // This test assumes that the order of the indexeed properties is in the | |
98 // same order in the serialization as returned from | |
99 // indexedPropertiesFromRange() | |
100 assertEquals(indexedProperties[index].name(), index); | |
101 assertEquals(indexedProperties[index].value().type(), refs.lookup(fromJS
ON.properties[i].ref).type, 'Unexpected serialized type'); | |
102 } | |
103 } | |
104 } | |
105 assertTrue(length_found, 'Property length not found'); | |
106 | |
107 // Check that the serialization contains all names properties. | |
108 if (names) { | |
109 for (var i = 0; i < names.length; i++) { | |
110 var found = false; | |
111 for (var j = 0; j < fromJSON.properties.length; j++) { | |
112 if (names[i] == fromJSON.properties[j].name) { | |
113 found = true; | |
114 } | |
115 } | |
116 assertTrue(found, names[i]) | |
117 } | |
118 } | |
119 } | |
120 | |
121 | |
122 // Test a number of different arrays. | |
123 testArrayMirror([]); | |
124 testArrayMirror([1]); | |
125 testArrayMirror([1,2]); | |
126 testArrayMirror(["a", function(){}, [1,2], 2, /[ab]/]); | |
127 | |
128 a=[1]; | |
129 a[100]=7; | |
130 testArrayMirror(a); | |
131 | |
132 a=[1,2,3]; | |
133 a.x=2.2; | |
134 a.y=function(){return null;} | |
135 testArrayMirror(a, ['x','y']); | |
136 | |
137 var a = []; a.push(a); | |
138 testArrayMirror(a); | |
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