blob: 9de72e22f41fdb53c85cf7a6c606e881af68278f (
plain)
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
|
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package syncs
import "testing"
func TestWaitGroupChan(t *testing.T) {
wg := NewWaitGroupChan()
wantNotDone := func() {
t.Helper()
select {
case <-wg.DoneChan():
t.Fatal("done too early")
default:
}
}
wantDone := func() {
t.Helper()
select {
case <-wg.DoneChan():
default:
t.Fatal("expected to be done")
}
}
wg.Add(2)
wantNotDone()
wg.Decr()
wantNotDone()
wg.Decr()
wantDone()
wantDone()
}
func TestClosedChan(t *testing.T) {
ch := ClosedChan()
for i := 0; i < 2; i++ {
select {
case <-ch:
default:
t.Fatal("not closed")
}
}
}
|
