move tests around

usb/device_test.go

@@ -0,0 +1,43 @@
+// Copyright 2017 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 (
+	"reflect"
+	"testing"
+)
+
+func TestOpenEndpoint(t *testing.T) {
+	origLib := libusb
+	defer func() { libusb = origLib }()
+	libusb = newFakeLibusb()
+
+	c := NewContext()
+	dev, err := c.OpenDeviceWithVidPid(0x8888, 0x0002)
+	if dev == nil {
+		t.Fatal("OpenDeviceWithVidPid(0x8888, 0x0002): got nil device, need non-nil")
+	}
+	defer dev.Close()
+	if err != nil {
+		t.Fatalf("OpenDeviceWithVidPid(0x8888, 0x0002): got error %v, want nil", err)
+	}
+	got, err := dev.OpenEndpoint(0x86, 1, 1, 2)
+	if err != nil {
+		t.Fatalf("OpenEndpoint(cfg=1, if=1, alt=2, ep=0x86): got error %v, want nil", err)
+	}
+	if want := fakeDevices[1].Configs[0].Interfaces[1].AltSettings[2].Endpoints[1]; !reflect.DeepEqual(got.Info, want) {
+		t.Errorf("OpenEndpoint(cfg=1, if=1, alt=2, ep=0x86): got %+v, want %+v", got, want)
+	}
+}