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1 // Copyright 2011 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 // Test that Object.prototype.propertyIsEnumerable handles array indices | |
29 // correctly. | |
30 | |
31 var p = Object.create({}, { | |
32 a : { value : 42, enumerable : true }, | |
33 b : { value : 42, enumerable : false }, | |
34 1 : { value : 42, enumerable : true }, | |
35 2 : { value : 42, enumerable : false }, | |
36 f : { get: function(){}, enumerable: true }, | |
37 g : { get: function(){}, enumerable: false }, | |
38 11 : { get: function(){}, enumerable: true }, | |
39 12 : { get: function(){}, enumerable: false } | |
40 }); | |
41 var o = Object.create(p, { | |
42 c : { value : 42, enumerable : true }, | |
43 d : { value : 42, enumerable : false }, | |
44 3 : { value : 42, enumerable : true }, | |
45 4 : { value : 42, enumerable : false }, | |
46 h : { get: function(){}, enumerable: true }, | |
47 k : { get: function(){}, enumerable: false }, | |
48 13 : { get: function(){}, enumerable: true }, | |
49 14 : { get: function(){}, enumerable: false } | |
50 }); | |
51 | |
52 // Inherited properties are ignored. | |
53 assertFalse(o.propertyIsEnumerable("a")); | |
54 assertFalse(o.propertyIsEnumerable("b")); | |
55 assertFalse(o.propertyIsEnumerable("1")); | |
56 assertFalse(o.propertyIsEnumerable("2")); | |
57 | |
58 // Own properties. | |
59 assertTrue(o.propertyIsEnumerable("c")); | |
60 assertFalse(o.propertyIsEnumerable("d")); | |
61 assertTrue(o.propertyIsEnumerable("3")); | |
62 assertFalse(o.propertyIsEnumerable("4")); | |
63 | |
64 // Inherited accessors. | |
65 assertFalse(o.propertyIsEnumerable("f")); | |
66 assertFalse(o.propertyIsEnumerable("g")); | |
67 assertFalse(o.propertyIsEnumerable("11")); | |
68 assertFalse(o.propertyIsEnumerable("12")); | |
69 | |
70 // Own accessors. | |
71 assertTrue(o.propertyIsEnumerable("h")); | |
72 assertFalse(o.propertyIsEnumerable("k")); | |
73 assertTrue(o.propertyIsEnumerable("13")); | |
74 assertFalse(o.propertyIsEnumerable("14")); | |
75 | |
76 // Nonexisting properties. | |
77 assertFalse(o.propertyIsEnumerable("xxx")); | |
78 assertFalse(o.propertyIsEnumerable("999")); | |
79 | |
80 // String object properties. | |
81 var o = Object("string"); | |
82 // Non-string property on String object. | |
83 o[10] = 42; | |
84 assertTrue(o.propertyIsEnumerable(10)); | |
85 assertFalse(o.propertyIsEnumerable(0)); | |
86 | |
87 // Fast elements. | |
88 var o = [1,2,3,4,5]; | |
89 assertTrue(o.propertyIsEnumerable(3)); | |
arv (Not doing code reviews)
2011/10/03 16:40:30
This might be worth testing too
var 0 = [0, 1, ,
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