audio: Refactor test files

audio/audio.go

@@ -55,7 +55,7 @@ const (
 //
 // For a typical usage example, see examples/wav/main.go.
 type Context struct {
-	c writerContext
+	wc writerContext
 
 	// inited represents whether the audio device is initialized and available or not.
 	// On Android, audio loop cannot be started unless JVM is accessible. After updating one frame, JVM should exist.
@@ -97,7 +97,7 @@ func NewContext(sampleRate int) *Context {
 
 	c := &Context{
 		sampleRate: sampleRate,
-		c:          newWriterContext(sampleRate),
+		wc:         newWriterContext(sampleRate),
 		players:    map[playerImpl]struct{}{},
 		inited:     make(chan struct{}),
 		semaphore:  make(chan struct{}, 1),
@@ -268,7 +268,7 @@ type playerImpl interface {
 // A Player doesn't close src even if src implements io.Closer.
 // Closing the source is src owner's responsibility.
 func NewPlayer(context *Context, src io.Reader) (*Player, error) {
-	pi, err := newWriterContextPlayerImpl(context, context.c, src)
+	pi, err := newWriterContextPlayerImpl(context, context.wc, src)
 	if err != nil {
 		return nil, err
 	}

audio/export_test.go

@@ -69,3 +69,15 @@ func UpdateForTesting() error {
 	}
 	return nil
 }
+
+func PlayersNumForTesting() int {
+	c := CurrentContext()
+	c.m.Lock()
+	n := len(c.players)
+	c.m.Unlock()
+	return n
+}
+
+func ResetContext() {
+	theContext = nil
+}

audio/testinternal_test.go

@@ -1,27 +0,0 @@
-// Copyright 2018 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.
-
-package audio
-
-func PlayersNumForTesting() int {
-	c := CurrentContext()
-	c.m.Lock()
-	n := len(c.players)
-	c.m.Unlock()
-	return n
-}
-
-func ResetContext() {
-	theContext = nil
-}