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
|
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-generator.prototype.return
es6id: 25.3.1.3
description: >
A TypeError should be thrown from GeneratorValidate (25.3.3.2) if the
context of `return` does not define the [[GeneratorState]] internal slot.
info: |
[...]
3. Return ? GeneratorResumeAbrupt(g, C).
25.3.3.4 GeneratorResumeAbrupt
1. Let state be ? GeneratorValidate(generator).
25.3.3.2 GeneratorValidate
[...]
2. If generator does not have a [[GeneratorState]] internal slot, throw a
TypeError exception.
features: [generators]
---*/
function* g() {}
var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call({}); },
'ordinary object (without value)'
);
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call({}, 1); },
'ordinary object (with value)'
);
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call(function() {}); },
'function object (without value)'
);
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call(function() {}, 1); },
'function object (with value)'
);
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call(g); },
'generator function object (without value)'
);
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call(g, 1); },
'generator function object (with value)'
);
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call(g.prototype); },
'generator function prototype object (without value)'
);
assert.throws(
TypeError,
function() { GeneratorPrototype.return.call(g.prototype, 1); },
'generator function prototype object (with value)'
);
|
