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
|
// |reftest| async
// This file was procedurally generated from the following sources:
// - src/async-generators/yield-star-getiter-sync-not-callable-number-throw.case
// - src/async-generators/default/async-class-decl-private-method.template
/*---
description: Throws a TypeError on a non-callable [Symbol.iterator] (number) (Async Generator method as a ClassDeclaration element)
esid: prod-AsyncGeneratorPrivateMethod
features: [Symbol.iterator, async-iteration, class-methods-private]
flags: [generated, async]
info: |
ClassElement :
PrivateMethodDefinition
MethodDefinition :
AsyncGeneratorMethod
Async Generator Function Definitions
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters ) { AsyncGeneratorBody }
YieldExpression: yield * AssignmentExpression
1. Let exprRef be the result of evaluating AssignmentExpression.
2. Let value be ? GetValue(exprRef).
3. Let generatorKind be ! GetGeneratorKind().
4. Let iterator be ? GetIterator(value, generatorKind).
...
GetIterator ( obj [ , hint ] )
...
3. If hint is async,
a. Set method to ? GetMethod(obj, @@asyncIterator).
b. If method is undefined,
i. Let syncMethod be ? GetMethod(obj, @@iterator).
...
GetMethod ( V, P )
...
2. Let func be ? GetV(V, P).
...
4. If IsCallable(func) is false, throw a TypeError exception.
...
---*/
var obj = {
[Symbol.iterator]: 0
};
var callCount = 0;
class C {
async *#gen() {
callCount += 1;
yield* obj;
throw new Test262Error('abrupt completion closes iter');
}
get gen() { return this.#gen; }
}
const c = new C();
// Test the private fields do not appear as properties before set to value
assert(
!Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
"#gen does not appear as an own property on C prototype"
);
assert(
!Object.prototype.hasOwnProperty.call(C, "#gen"),
"#gen does not appear as an own property on C constructor"
);
assert(
!Object.prototype.hasOwnProperty.call(c, "#gen"),
"#gen does not appear as an own property on C instance"
);
var iter = c.gen();
iter.next().then(() => {
throw new Test262Error('Promise incorrectly fulfilled.');
}, v => {
assert.sameValue(v.constructor, TypeError, "TypeError");
iter.next().then(({ done, value }) => {
assert.sameValue(done, true, 'the iterator is completed');
assert.sameValue(value, undefined, 'value is undefined');
}).then($DONE, $DONE);
}).catch($DONE);
assert.sameValue(callCount, 1);
// Test the private fields do not appear as properties after set to value
assert(
!Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
"#gen does not appear as an own property on C prototype"
);
assert(
!Object.prototype.hasOwnProperty.call(C, "#gen"),
"#gen does not appear as an own property on C constructor"
);
assert(
!Object.prototype.hasOwnProperty.call(c, "#gen"),
"#gen does not appear as an own property on C instance"
);
|
