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
|
// Copyright (C) 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
`yield` is a valid expression within generator function bodies.
es6id: 14.4
features: [generators]
---*/
var result, iter;
function* g1() { (yield 1) }
function* g2() { [yield 1] }
function* g3() { {yield 1} }
function* g4() { yield 1, yield 2; }
function* g5() { (yield 1) ? yield 2 : yield 3; }
iter = g1();
result = iter.next();
assert.sameValue(result.value, 1, 'Within grouping operator: result `value`');
assert.sameValue(
result.done, false, 'Within grouping operator: result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'Following grouping operator: result `value`'
);
assert.sameValue(
result.done, true, 'Following grouping operator: result `done` flag'
);
iter = g2();
result = iter.next();
assert.sameValue(result.value, 1, 'Within array literal: result `value`');
assert.sameValue(
result.done, false, 'Within array literal: result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'Following array literal: result `value`'
);
assert.sameValue(
result.done, true, 'Following array literal: result `done` flag'
);
iter = g3();
result = iter.next();
assert.sameValue(result.value, 1, 'Within object literal: result `value`');
assert.sameValue(
result.done, false, 'Within object literal: result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'Following object literal: result `value`'
);
assert.sameValue(
result.done, true, 'Following object literal: result `done` flag'
);
iter = g4();
result = iter.next();
assert.sameValue(
result.value, 1, 'First expression in comma expression: result `value`'
);
assert.sameValue(
result.done,
false,
'First expression in comma expression: result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, 2, 'Second expression in comma expression: result `value`'
);
assert.sameValue(
result.done,
false,
'Second expression in comma expression: result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'Following comma expression: result `value`'
);
assert.sameValue(
result.done, true, 'Following comma expression: result `done` flag'
);
iter = g5();
result = iter.next();
assert.sameValue(
result.value,
1,
'Conditional expression in conditional operator: result `value`'
);
assert.sameValue(
result.done,
false,
'Conditional expression in conditional operator: result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value,
3,
'Branch in conditional operator: result `value`'
);
assert.sameValue(
result.done,
false,
'Branch in conditional operator: result `done` flag'
);
result = iter.next();
assert.sameValue(
result.value, undefined, 'Following conditional operator: result `value`'
);
assert.sameValue(
result.done, true, 'Following conditional operator: result `done` flag'
);
reportCompare(0, 0);
|
