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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: --allow-natives-syntax | |
29 | |
30 // Test for http://code.google.com/p/v8/issues/detail?id=334 | |
31 | |
32 var READ_ONLY = 1; | |
33 var DONT_ENUM = 2; | |
34 var DONT_DELETE = 4; | |
35 | |
36 function func1(){} | |
37 function func2(){} | |
38 | |
39 var object = {__proto__:{}}; | |
40 %SetProperty(object, "foo", func1, DONT_ENUM | DONT_DELETE); | |
41 %SetProperty(object, "bar", func1, DONT_ENUM | READ_ONLY); | |
42 %SetProperty(object, "baz", func1, DONT_DELETE | READ_ONLY); | |
43 %SetProperty(object.__proto__, "bif", func1, DONT_ENUM | DONT_DELETE | READ_ONLY
); | |
44 object.bif = func2; | |
45 | |
46 function enumerable(obj) { | |
47 var res = []; | |
48 for (var i in obj) { | |
49 res.push(i); | |
50 } | |
51 res.sort(); | |
52 return res; | |
53 } | |
54 | |
55 // Sanity check: expected initial state. | |
56 assertArrayEquals(["baz", "bif"], enumerable(object), "enum0"); | |
57 assertFalse(delete object.foo, "delete foo"); | |
58 assertFalse(delete object.baz, "delete baz"); | |
59 assertEquals(func1, object.foo, "read foo"); | |
60 assertEquals(func1, object.bar, "read bar"); | |
61 assertEquals(func1, object.baz, "read baz"); | |
62 assertEquals(func2, object.bif, "read bif"); | |
63 | |
64 // Can't assign to READ_ONLY. | |
65 object.bar = "NO WAY"; | |
66 assertEquals(func1, object.bar, "read bar 2"); | |
67 assertArrayEquals(["baz", "bif"], enumerable(object), "enum1"); | |
68 | |
69 // Assignment to non-readonly. Assignment shouldn't change attributes! | |
70 object.foo = func2; | |
71 assertArrayEquals(["baz", "bif"], enumerable(object), "enum2"); | |
72 assertFalse(delete object.foo, "delete foo 2"); | |
73 | |
74 // Delete should erase attributes if value set again. | |
75 assertTrue(delete object.bar, "delete bar"); | |
76 assertFalse("bar" in object, "has bar"); | |
77 object.bar = func2; | |
78 assertTrue("bar" in object, "has bar 2"); | |
79 assertEquals(func2, object.bar, "read bar 3"); | |
80 | |
81 assertArrayEquals(["bar", "baz", "bif"], enumerable(object), "enum3"); | |
82 | |
83 // Unshadowing a prototype property exposes its attributes. | |
84 assertTrue(delete object.bif, "delete bif"); | |
85 assertArrayEquals(["bar", "baz"], enumerable(object), "enum4"); | |
86 assertEquals(func1, object.bif, "read bif 2"); | |
87 // Can't delete prototype property. | |
88 assertTrue(delete object.bif, "delete bif 2"); | |
89 assertArrayEquals(["bar", "baz"], enumerable(object), "enum5"); | |
90 assertEquals(func1, object.bif, "read bif3"); | |
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