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
|
'use strict';
const common = require('../common');
// Testing Readable Stream resumeScheduled state
const assert = require('assert');
const { Readable, Writable } = require('stream');
{
// pipe() test case
const r = new Readable({ read() {} });
const w = new Writable();
// resumeScheduled should start = `false`.
assert.strictEqual(r._readableState.resumeScheduled, false);
// calling pipe() should change the state value = true.
r.pipe(w);
assert.strictEqual(r._readableState.resumeScheduled, true);
process.nextTick(common.mustCall(() => {
assert.strictEqual(r._readableState.resumeScheduled, false);
}));
}
{
// 'data' listener test case
const r = new Readable({ read() {} });
// resumeScheduled should start = `false`.
assert.strictEqual(r._readableState.resumeScheduled, false);
r.push(Buffer.from([1, 2, 3]));
// adding 'data' listener should change the state value
r.on('data', common.mustCall(() => {
assert.strictEqual(r._readableState.resumeScheduled, false);
}));
assert.strictEqual(r._readableState.resumeScheduled, true);
process.nextTick(common.mustCall(() => {
assert.strictEqual(r._readableState.resumeScheduled, false);
}));
}
{
// resume() test case
const r = new Readable({ read() {} });
// resumeScheduled should start = `false`.
assert.strictEqual(r._readableState.resumeScheduled, false);
// Calling resume() should change the state value.
r.resume();
assert.strictEqual(r._readableState.resumeScheduled, true);
r.on('resume', common.mustCall(() => {
// The state value should be `false` again
assert.strictEqual(r._readableState.resumeScheduled, false);
}));
process.nextTick(common.mustCall(() => {
assert.strictEqual(r._readableState.resumeScheduled, false);
}));
}
|
