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Diffstat (limited to 'vendor/github.com/kylelemons/gousb/usb/usb_test.go')
-rw-r--r--vendor/github.com/kylelemons/gousb/usb/usb_test.go87
1 files changed, 87 insertions, 0 deletions
diff --git a/vendor/github.com/kylelemons/gousb/usb/usb_test.go b/vendor/github.com/kylelemons/gousb/usb/usb_test.go
new file mode 100644
index 0000000..cad8646
--- /dev/null
+++ b/vendor/github.com/kylelemons/gousb/usb/usb_test.go
@@ -0,0 +1,87 @@
+// Copyright 2013 Google Inc. All rights reserved.
+// Copyright 2016 the gousb Authors. 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
+
+import "testing"
+
+func TestListDevices(t *testing.T) {
+ orig := libusb
+ defer func() { libusb = orig }()
+ libusb = newFakeLibusb()
+
+ c := NewContext()
+ defer c.Close()
+ c.Debug(0)
+
+ descs := []*Descriptor{}
+ devs, err := c.ListDevices(func(desc *Descriptor) bool {
+ descs = append(descs, desc)
+ return true
+ })
+ defer func() {
+ for _, d := range devs {
+ d.Close()
+ }
+ }()
+ if err != nil {
+ t.Fatalf("ListDevices(): %s", err)
+ }
+
+ if got, want := len(devs), len(fakeDevices); got != want {
+ t.Fatalf("len(devs) = %d, want %d (based on num fake devs)", got, want)
+ }
+ if got, want := len(devs), len(descs); got != want {
+ t.Fatalf("len(devs) = %d, want %d (based on num opened devices)", 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)
+ }
+ }
+}
+
+func TestOpenDeviceWithVidPid(t *testing.T) {
+ orig := libusb
+ defer func() { libusb = orig }()
+ libusb = newFakeLibusb()
+
+ for _, d := range []struct {
+ vid, pid int
+ exists bool
+ }{
+ {0x7777, 0x0003, false},
+ {0x8888, 0x0001, false},
+ {0x8888, 0x0002, true},
+ {0x9999, 0x0001, true},
+ {0x9999, 0x0002, false},
+ } {
+ c := NewContext()
+ dev, err := c.OpenDeviceWithVidPid(d.vid, d.pid)
+ if (dev != nil) != d.exists {
+ t.Errorf("OpenDeviceWithVidPid(%s/%s): device != nil is %v, want %v", ID(d.vid), ID(d.pid), dev != nil, d.exists)
+ }
+ if err != nil {
+ t.Errorf("OpenDeviceWithVidPid(%s/%s): got error %v, want nil", ID(d.vid), ID(d.pid), err)
+ }
+ if dev != nil {
+ if dev.Descriptor.Vendor != ID(d.vid) || dev.Descriptor.Product != ID(d.pid) {
+ t.Errorf("OpenDeviceWithVidPid(%s/%s): the device returned has VID/PID %s/%s, different from specified in the arguments", ID(d.vid), ID(d.pid), dev.Descriptor.Vendor, dev.Descriptor.Product)
+ }
+ dev.Close()
+ }
+ }
+}