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
|
// Flags: --expose-internals
'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const SyncWriteStream = require('internal/fs').SyncWriteStream;
common.refreshTmpDir();
const filename = path.join(common.tmpDir, 'sync-write-stream.txt');
// Verify constructing the instance with default options.
{
const stream = new SyncWriteStream(1);
assert.strictEqual(stream.fd, 1);
assert.strictEqual(stream.readable, false);
assert.strictEqual(stream.autoClose, true);
assert.strictEqual(stream.listenerCount('end'), 1);
}
// Verify constructing the instance with specified options.
{
const stream = new SyncWriteStream(1, { autoClose: false });
assert.strictEqual(stream.fd, 1);
assert.strictEqual(stream.readable, false);
assert.strictEqual(stream.autoClose, false);
assert.strictEqual(stream.listenerCount('end'), 1);
}
// Verfiy that the file will be written synchronously.
{
const fd = fs.openSync(filename, 'w');
const stream = new SyncWriteStream(fd);
const chunk = Buffer.from('foo');
assert.strictEqual(stream._write(chunk, null, common.mustCall(1)), true);
assert.strictEqual(fs.readFileSync(filename).equals(chunk), true);
}
// Verify that the stream will unset the fd after destroy().
{
const fd = fs.openSync(filename, 'w');
const stream = new SyncWriteStream(fd);
stream.on('close', common.mustCall(3));
assert.strictEqual(stream.destroy(), true);
assert.strictEqual(stream.fd, null);
assert.strictEqual(stream.destroy(), true);
assert.strictEqual(stream.destroySoon(), true);
}
// Verfit that the 'end' event listener will also destroy the stream.
{
const fd = fs.openSync(filename, 'w');
const stream = new SyncWriteStream(fd);
assert.strictEqual(stream.fd, fd);
stream.emit('end');
assert.strictEqual(stream.fd, null);
}
|
