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
|
// Copyright 2010 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.
// Tests loading of aguments across eval calls.
// Test loading across an eval call that does not shadow variables.
function testNoShadowing(x, h) {
function f() {
eval('1');
assertEquals(1, x);
assertEquals(2, h());
function g() {
assertEquals(1, x);
assertEquals(2, h());
}
g();
}
f();
}
testNoShadowing(1, function() { return 2; });
// Test loading across eval calls that do not shadow variables.
function testNoShadowing2(x, h) {
eval('1');
function f() {
eval('1');
assertEquals(1, x);
assertEquals(2, h());
function g() {
assertEquals(1, x);
assertEquals(2, h());
}
g();
}
f();
}
testNoShadowing2(1, function() { return 2; });
// Test loading across an eval call that shadows variables.
function testShadowing(x, h) {
function f() {
assertEquals(1, x);
assertEquals(2, h());
eval('var x = 3; var h = function() { return 4; };');
assertEquals(3, x);
assertEquals(4, h());
function g() {
assertEquals(3, x);
assertEquals(4, h());
}
g();
}
f();
assertEquals(1, x);
assertEquals(2, h());
}
testShadowing(1, function() { return 2; });
|
