vorbis: Embed files for tests

Updates #881

audio/vorbis/generate.go

@@ -0,0 +1,19 @@
+// Copyright 2019 The Ebiten Authors
+//
+// 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.
+
+//go:generate file2byteslice -package=vorbis_test -input=./test_mono.ogg -output=./testmonoogg_test.go -var=test_mono_ogg
+//go:generate file2byteslice -package=vorbis_test -input=./test_tooshort.ogg -output=./testtooshortogg_test.go -var=test_tooshort_ogg
+//go:generate gofmt -s -w .
+
+package vorbis

audio/vorbis/vorbis_test.go

@@ -15,7 +15,6 @@
 package vorbis_test
 
 import (
-	"io/ioutil"
 	"testing"
 
 	"github.com/jfreymuth/oggvorbis"
@@ -35,10 +34,7 @@ func init() {
 }
 
 func TestMono(t *testing.T) {
-	bs, err := ioutil.ReadFile("test_mono.ogg")
+	bs := test_mono_ogg
-	if err != nil {
-		t.Fatal(err)
-	}
 
 	s, err := Decode(audioContext, audio.BytesReadSeekCloser(bs))
 	if err != nil {
@@ -64,10 +60,7 @@ func TestMono(t *testing.T) {
 }
 
 func TestTooShort(t *testing.T) {
-	bs, err := ioutil.ReadFile("test_tooshort.ogg")
+	bs := test_tooshort_ogg
-	if err != nil {
-		t.Fatal(err)
-	}
 
 	s, err := Decode(audioContext, audio.BytesReadSeekCloser(bs))
 	if err != nil {