File: gen-yield-spread-arr-single.js

package info (click to toggle)
qtdeclarative-opensource-src 5.15.2%2Bdfsg-6
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 259,220 kB
  • sloc: javascript: 512,396; cpp: 493,894; xml: 8,892; python: 3,304; ansic: 2,764; sh: 206; makefile: 59; php: 27
file content (46 lines) | stat: -rw-r--r-- 1,156 bytes parent folder | download | duplicates (11)
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
// This file was procedurally generated from the following sources:
// - src/generators/yield-spread-arr-single.case
// - src/generators/default/obj-method.template
/*---
description: Use yield value in a array spread position (Generator method)
esid: prod-GeneratorMethod
features: [generators]
flags: [generated]
info: |
    14.4 Generator Function Definitions

    GeneratorMethod[Yield, Await]:
      * PropertyName[?Yield, ?Await] ( UniqueFormalParameters[+Yield, ~Await] ) { GeneratorBody }


    Array Initializer

    SpreadElement[Yield, Await]:
      ...AssignmentExpression[+In, ?Yield, ?Await]
---*/
var arr = ['a', 'b', 'c'];

var callCount = 0;

var gen = {
  *method() {
    callCount += 1;
    yield [...yield];
  }
}.method;

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);