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
|
'use strict';
const common = require('../common');
const { Writable } = require('stream');
const assert = require('assert');
// basic
{
// Find it on Writable.prototype
assert(Writable.prototype.hasOwnProperty('writableFinished'));
}
// event
{
const writable = new Writable();
writable._write = (chunk, encoding, cb) => {
// The state finished should start in false.
assert.strictEqual(writable.writableFinished, false);
cb();
};
writable.on('finish', common.mustCall(() => {
assert.strictEqual(writable.writableFinished, true);
}));
writable.end('testing finished state', common.mustCall(() => {
assert.strictEqual(writable.writableFinished, true);
}));
}
{
// Emit finish asynchronously.
const w = new Writable({
write(chunk, encoding, cb) {
cb();
}
});
w.end();
w.on('finish', common.mustCall());
}
{
// Emit prefinish synchronously.
const w = new Writable({
write(chunk, encoding, cb) {
cb();
}
});
let sync = true;
w.on('prefinish', common.mustCall(() => {
assert.strictEqual(sync, true);
}));
w.end();
sync = false;
}
{
// Emit prefinish synchronously w/ final.
const w = new Writable({
write(chunk, encoding, cb) {
cb();
},
final(cb) {
cb();
}
});
let sync = true;
w.on('prefinish', common.mustCall(() => {
assert.strictEqual(sync, true);
}));
w.end();
sync = false;
}
{
// Call _final synchronously.
let sync = true;
const w = new Writable({
write(chunk, encoding, cb) {
cb();
},
final: common.mustCall((cb) => {
assert.strictEqual(sync, true);
cb();
})
});
w.end();
sync = false;
}
|
