Files
gousb/usb/usb_test.go
2013-08-14 19:22:55 -07:00

80 lines
2.0 KiB
Go

// Copyright 2013 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package usb_test
import (
"testing"
. "github.com/kylelemons/gousb/usb"
"github.com/kylelemons/gousb/usbid"
)
func TestNoop(t *testing.T) {
c := NewContext()
defer c.Close()
c.Debug(0)
}
func TestEnum(t *testing.T) {
c := NewContext()
defer c.Close()
c.Debug(0)
logDevice := func(t *testing.T, desc *Descriptor) {
t.Logf("%03d.%03d %s", desc.Bus, desc.Address, usbid.Describe(desc))
t.Logf("- Protocol: %s", usbid.Classify(desc))
for _, cfg := range desc.Configs {
t.Logf("- %s:", cfg)
for _, alt := range cfg.Interfaces {
t.Logf(" --------------")
for _, iface := range alt.Setups {
t.Logf(" - %s", iface)
t.Logf(" - %s", usbid.Classify(iface))
for _, end := range iface.Endpoints {
t.Logf(" - %s (packet size: %d bytes)", end, end.MaxPacketSize)
}
}
}
t.Logf(" --------------")
}
}
descs := []*Descriptor{}
devs, err := c.ListDevices(func(desc *Descriptor) bool {
logDevice(t, desc)
descs = append(descs, desc)
return true
})
defer func() {
for _, d := range devs {
d.Close()
}
}()
if err != nil {
t.Fatalf("list: %s", err)
}
if got, want := len(devs), len(descs); got != want {
t.Fatalf("len(devs) = %d, want %d", got, want)
}
for i := range devs {
if got, want := devs[i].Descriptor, descs[i]; got != want {
t.Errorf("dev[%d].Descriptor = %p, want %p", i, got, want)
}
}
}