1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --allow-natives-syntax
// Test for http://code.google.com/p/v8/issues/detail?id=334
var READ_ONLY = 1;
var DONT_ENUM = 2;
var DONT_DELETE = 4;
function func1(){}
function func2(){}
var object = {__proto__:{}};
%SetProperty(object, "foo", func1, DONT_ENUM | DONT_DELETE);
%SetProperty(object, "bar", func1, DONT_ENUM | READ_ONLY);
%SetProperty(object, "baz", func1, DONT_DELETE | READ_ONLY);
%SetProperty(object.__proto__, "bif", func1, DONT_ENUM | DONT_DELETE | READ_ONLY);
object.bif = func2;
function enumerable(obj) {
var res = [];
for (var i in obj) {
res.push(i);
}
res.sort();
return res;
}
// Sanity check: expected initial state.
assertArrayEquals(["baz", "bif"], enumerable(object), "enum0");
assertFalse(delete object.foo, "delete foo");
assertFalse(delete object.baz, "delete baz");
assertEquals(func1, object.foo, "read foo");
assertEquals(func1, object.bar, "read bar");
assertEquals(func1, object.baz, "read baz");
assertEquals(func2, object.bif, "read bif");
// Can't assign to READ_ONLY.
object.bar = "NO WAY";
assertEquals(func1, object.bar, "read bar 2");
assertArrayEquals(["baz", "bif"], enumerable(object), "enum1");
// Assignment to non-readonly. Assignment shouldn't change attributes!
object.foo = func2;
assertArrayEquals(["baz", "bif"], enumerable(object), "enum2");
assertFalse(delete object.foo, "delete foo 2");
// Delete should erase attributes if value set again.
assertTrue(delete object.bar, "delete bar");
assertFalse("bar" in object, "has bar");
object.bar = func2;
assertTrue("bar" in object, "has bar 2");
assertEquals(func2, object.bar, "read bar 3");
assertArrayEquals(["bar", "baz", "bif"], enumerable(object), "enum3");
// Unshadowing a prototype property exposes its attributes.
assertTrue(delete object.bif, "delete bif");
assertArrayEquals(["bar", "baz"], enumerable(object), "enum4");
assertEquals(func1, object.bif, "read bif 2");
// Can't delete prototype property.
assertTrue(delete object.bif, "delete bif 2");
assertArrayEquals(["bar", "baz"], enumerable(object), "enum5");
assertEquals(func1, object.bif, "read bif3");
|
