forked from karalabe/usb
-
Notifications
You must be signed in to change notification settings - Fork 0
/
usb_test.go
86 lines (78 loc) · 2.48 KB
/
usb_test.go
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
// usb - Self contained USB and HID library for Go
// Copyright 2017 The library Authors
//
// This library is free software: you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option) any
// later version.
//
// The library is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License along
// with the library. If not, see <http://www.gnu.org/licenses/>.
package usb
import (
"os"
"runtime"
"sync"
"testing"
)
// Tests that HID enumeration can be called concurrently from multiple threads.
func TestThreadedEnumerateHid(t *testing.T) {
var pend sync.WaitGroup
for i := 0; i < 8; i++ {
pend.Add(1)
go func(index int) {
defer pend.Done()
for j := 0; j < 512; j++ {
if _, err := EnumerateHid(uint16(index), 0); err != nil {
t.Errorf("thread %d, iter %d: failed to enumerate: %v", index, j, err)
}
}
}(i)
}
pend.Wait()
}
// Tests that RAW enumeration can be called concurrently from multiple threads.
func TestThreadedEnumerateRaw(t *testing.T) {
// Travis does not have usbfs enabled in the Linux kernel
if os.Getenv("TRAVIS") != "" && runtime.GOOS == "linux" {
t.Skip("Linux on Travis doesn't have usbfs, skipping test")
}
// Yay, we can actually test this
var pend sync.WaitGroup
for i := 0; i < 8; i++ {
pend.Add(1)
go func(index int) {
defer pend.Done()
for j := 0; j < 512; j++ {
if _, err := EnumerateRaw(uint16(index), 0); err != nil {
t.Errorf("thread %d, iter %d: failed to enumerate: %v", index, j, err)
}
}
}(i)
}
pend.Wait()
}
// Tests that generic enumeration can be called concurrently from multiple threads.
func TestThreadedEnumerate(t *testing.T) {
// Travis does not have usbfs enabled in the Linux kernel
if os.Getenv("TRAVIS") != "" && runtime.GOOS == "linux" {
t.Skip("Linux on Travis doesn't have usbfs, skipping test")
}
var pend sync.WaitGroup
for i := 0; i < 8; i++ {
pend.Add(1)
go func(index int) {
defer pend.Done()
for j := 0; j < 512; j++ {
if _, err := Enumerate(uint16(index), 0); err != nil {
t.Errorf("thread %d, iter %d: failed to enumerate: %v", index, j, err)
}
}
}(i)
}
pend.Wait()
}