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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
// Copyright 2011 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.
// Regression test for Chromium issue 70066. Delete should work properly
// from inside 'with' scopes.
// http://code.google.com/p/chromium/issues/detail?id=70066
x = 0;
// Delete on a slot from a function's own context.
function test1() {
var value = 1;
var status;
with ({}) { status = delete value; }
return value + ":" + status;
}
assertEquals("1:false", test1(), "test1");
assertEquals(0, x, "test1"); // Global x is undisturbed.
// Delete on a slot from an outer context.
function test2() {
function f() {
with ({}) { return delete value; }
}
var value = 2;
var status = f();
return value + ":" + status;
}
assertEquals("2:false", test2(), "test2");
assertEquals(0, x, "test2"); // Global x is undisturbed.
// Delete on a parameter.
function test3(value) {
var status;
with ({}) { status = delete value; }
return value + ":" + status;
}
assertEquals("3:false", test3(3), "test3");
assertEquals(0, x, "test3"); // Global x is undisturbed.
// Delete on a parameter found in an outer context.
function test4(value) {
function f() {
with ({}) { return delete value; }
}
var status = f();
return value + ":" + status;
}
assertEquals("4:false", test4(4), "test4");
assertEquals(0, x, "test4"); // Global x is undisturbed.
// Delete on a parameter, arguments object should be unaffected.
function test5(value) {
var status;
with ({}) { status = delete value; }
return arguments[0] + ":" + status;
}
assertEquals("5:false", test5(5), "test5");
assertEquals(0, x, "test5"); // Global x is undisturbed.
function test6(value) {
function f() {
with ({}) { return delete value; }
}
var status = f();
return arguments[0] + ":" + status;
}
assertEquals("6:false", test6(6), "test6");
assertEquals(0, x, "test6"); // Global x is undisturbed.
// Delete on a property found on 'with' object.
function test7(object) {
with (object) { return delete value; }
}
var o = {value: 7};
assertEquals(true, test7(o), "test7");
assertEquals(void 0, o.value, "test7");
assertEquals(0, x, "test7"); // Global x is undisturbed.
// Delete on a global property.
function test8() {
with ({}) { return delete x; }
}
assertEquals(true, test8(), "test8");
assertThrows("x"); // Global x should be deleted.
// Delete on a property that is not found anywhere.
function test9() {
with ({}) { return delete x; }
}
assertThrows("x"); // Make sure it's not there.
assertEquals(true, test9(), "test9");
// Delete on a DONT_DELETE property of the global object.
var y = 10;
function test10() {
with ({}) { return delete y; }
}
assertEquals(false, test10(), "test10");
assertEquals(10, y, "test10");
|
