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
|
// Copyright 2013 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.
// Test bitwise operations with booleans.
var t = 1;
function testFalseLeftHandSide() {
var b;
if (t) b = false;
assertEquals(b | 1, 1);
assertEquals(b & 1, 0);
assertEquals(b ^ 1, 1);
assertEquals(b << 1, 0);
assertEquals(b >> 1, 0);
assertEquals(b >>> 1, 0);
}
function testFalseRightHandSide() {
if (t) b = false;
assertEquals(1 | b, 1);
assertEquals(1 & b, 0);
assertEquals(1 ^ b, 1);
assertEquals(1 << b, 1);
assertEquals(1 >> b, 1);
assertEquals(1 >>> b, 1);
}
function testTrueLeftHandSide() {
if (t) b = true;
assertEquals(b | 1, 1);
assertEquals(b & 1, 1);
assertEquals(b ^ 1, 0);
assertEquals(b << 1, 2);
assertEquals(b >> 1, 0);
assertEquals(b >>> 1, 0);
}
function testTrueRightHandSide() {
if (t) b = true;
assertEquals(1 | b, 1);
assertEquals(1 & b, 1);
assertEquals(1 ^ b, 0);
assertEquals(1 << b, 2);
assertEquals(1 >> b, 0);
assertEquals(1 >>> b, 0);
}
function testBothSides() {
if (t) a = true;
if (t) b = false;
assertEquals(a | b, 1);
assertEquals(a & b, 0);
assertEquals(a ^ b, 1);
assertEquals(a << b, 1);
assertEquals(a >> b, 1);
assertEquals(a >>> b, 1);
}
testFalseLeftHandSide();
testFalseRightHandSide();
testTrueLeftHandSide();
testTrueRightHandSide();
testFalseLeftHandSide();
testFalseRightHandSide();
testTrueLeftHandSide();
testTrueRightHandSide();
testBothSides();
testBothSides();
|
