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
|
// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 7.4.3
description: >
The `done` value of iteration result objects should be interpreted as
incomplete as per `ToBoolean` (7.1.2).
features: [Symbol.iterator]
---*/
var iterable = {};
var i, firstIterResult;
iterable[Symbol.iterator] = function() {
var finalIterResult = { value: null, done: true };
var nextIterResult = firstIterResult;
return {
next: function() {
var iterResult = nextIterResult;
nextIterResult = finalIterResult;
return iterResult;
}
};
};
firstIterResult = { value: null, done: undefined };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null, done: null };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null, done: false };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null, done: true };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 0);
firstIterResult = { value: null, done: 1 };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 0);
firstIterResult = { value: null, done: 0 };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null, done: -0 };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null, done: NaN };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null, done: '' };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 1);
firstIterResult = { value: null, done: '0' };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 0);
firstIterResult = { value: null, done: Symbol() };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 0);
firstIterResult = { value: null, done: {} };
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 0);
firstIterResult = { value: null };
Object.defineProperty(firstIterResult, 'done', {
get: function() {
return true;
}
});
i = 0;
for (var x of iterable) {
i++;
}
assert.sameValue(i, 0);
reportCompare(0, 0);
|
