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
|
// This file was procedurally generated from the following sources:
// - src/generators/yield-spread-arr-single.case
// - src/generators/default/class-decl-method.template
/*---
description: Use yield value in a array spread position (Generator method as a ClassDeclaration element)
esid: prod-GeneratorMethod
features: [generators]
flags: [generated]
info: |
ClassElement :
MethodDefinition
MethodDefinition :
GeneratorMethod
14.4 Generator Function Definitions
GeneratorMethod :
* PropertyName ( UniqueFormalParameters ) { GeneratorBody }
Array Initializer
SpreadElement[Yield, Await]:
...AssignmentExpression[+In, ?Yield, ?Await]
---*/
var arr = ['a', 'b', 'c'];
var callCount = 0;
class C { *gen() {
callCount += 1;
yield [...yield];
}}
var gen = C.prototype.gen;
var iter = gen();
iter.next(false);
var item = iter.next(arr);
var value = item.value;
assert.notSameValue(value, arr, 'value is a new array');
assert(Array.isArray(value), 'value is an Array exotic object');
assert.sameValue(value.length, 3)
assert.sameValue(value[0], 'a');
assert.sameValue(value[1], 'b');
assert.sameValue(value[2], 'c');
assert.sameValue(item.done, false);
assert.sameValue(callCount, 1);
reportCompare(0, 0);
|
