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
|
// 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.
function props(x) {
var array = [];
for (var p in x) array.push(p);
return array.sort();
}
assertEquals(0, props({}).length, "olen0");
assertEquals(1, props({x:1}).length, "olen1");
assertEquals(2, props({x:1, y:2}).length, "olen2");
assertArrayEquals(["x"], props({x:1}), "x");
assertArrayEquals(["x", "y"], props({x:1, y:2}), "xy");
assertArrayEquals(["x", "y", "zoom"], props({x:1, y:2, zoom:3}), "xyzoom");
assertEquals(0, props([]).length, "alen0");
assertEquals(1, props([1]).length, "alen1");
assertEquals(2, props([1,2]).length, "alen2");
assertArrayEquals(["0"], props([1]), "0");
assertArrayEquals(["0", "1"], props([1,2]), "01");
assertArrayEquals(["0", "1", "2"], props([1,2,3]), "012");
var o = {};
var a = [];
for (var i = 0x0020; i < 0x01ff; i+=2) {
var s = 'char:' + String.fromCharCode(i);
a.push(s);
o[s] = i;
}
assertArrayEquals(a, props(o), "charcodes");
var a = [];
assertEquals(0, props(a).length, "proplen0");
a[Math.pow(2,30)-1] = 0;
assertEquals(1, props(a).length, "proplen1");
a[Math.pow(2,31)-1] = 0;
assertEquals(2, props(a).length, "proplen2");
a[1] = 0;
assertEquals(3, props(a).length, "proplen3");
for (var hest = 'hest' in {}) { }
assertEquals('hest', hest, "empty-no-override");
var result = '';
for (var p in {a : [0], b : 1}) { result += p; }
assertEquals('ab', result, "ab");
var result = '';
for (var p in {a : {v:1}, b : 1}) { result += p; }
assertEquals('ab', result, "ab-nodeep");
var result = '';
for (var p in { get a() {}, b : 1}) { result += p; }
assertEquals('ab', result, "abget");
var result = '';
for (var p in { get a() {}, set a(x) {}, b : 1}) { result += p; }
assertEquals('ab', result, "abgetset");
// Test that for-in in the global scope works with a keyed property as "each".
// Test outside a loop and in a loop for multiple iterations.
a = [1,2,3,4];
x = {foo:5, bar:6, zip:7, glep:9, 10:11};
delete x.bar;
y = {}
for (a[2] in x) {
y[a[2]] = x[a[2]];
}
assertEquals(5, y.foo, "y.foo");
assertEquals("undefined", typeof y.bar, "y.bar");
assertEquals(7, y.zip, "y.zip");
assertEquals(9, y.glep, "y.glep");
assertEquals(11, y[10], "y[10]");
assertEquals("undefined", typeof y[2], "y[2]");
assertEquals("undefined", typeof y[0], "y[0]");
for (i=0 ; i < 3; ++i) {
y = {}
for (a[2] in x) {
y[a[2]] = x[a[2]];
}
assertEquals(5, y.foo, "y.foo");
assertEquals("undefined", typeof y.bar, "y.bar");
assertEquals(7, y.zip, "y.zip");
assertEquals(9, y.glep, "y.glep");
assertEquals(11, y[10], "y[10]");
assertEquals("undefined", typeof y[2], "y[2]");
assertEquals("undefined", typeof y[0], "y[0]");
}
|
