ebiten/audio/audio_test.go
2022-07-13 01:46:20 +09:00

119 lines
2.5 KiB
Go

// 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_test
import (
"bytes"
"runtime"
"testing"
"time"
"github.com/hajimehoshi/ebiten/v2/audio"
)
var context *audio.Context
func setup() {
context = audio.NewContext(44100)
}
func teardown() {
audio.ResetContextForTesting()
context = nil
}
// Issue #746
func TestGC(t *testing.T) {
setup()
defer teardown()
p, _ := context.NewPlayer(bytes.NewReader(make([]byte, 4)))
got := audio.PlayersCountForTesting()
if want := 0; got != want {
t.Errorf("PlayersCountForTesting(): got: %d, want: %d", got, want)
}
p.Play()
got = audio.PlayersCountForTesting()
if want := 1; got != want {
t.Errorf("PlayersCountForTesting() after Play: got: %d, want: %d", got, want)
}
runtime.KeepAlive(p)
p = nil
runtime.GC()
for i := 0; i < 10; i++ {
got = audio.PlayersCountForTesting()
if want := 0; got == want {
return
}
if err := audio.UpdateForTesting(); err != nil {
t.Error(err)
}
// 200[ms] should be enough all the bytes are consumed.
// TODO: This is a darty hack. Would it be possible to use virtual time?
time.Sleep(200 * time.Millisecond)
}
t.Errorf("time out")
}
// Issue #853
func TestSameSourcePlayers(t *testing.T) {
setup()
defer teardown()
src := bytes.NewReader(make([]byte, 4))
p0, err := context.NewPlayer(src)
if err != nil {
t.Fatal(err)
}
p1, err := context.NewPlayer(src)
if err != nil {
t.Fatal(err)
}
// As the player does not play yet, error doesn't happen.
if err := audio.UpdateForTesting(); err != nil {
t.Error(err)
}
p0.Play()
p1.Play()
if err := audio.UpdateForTesting(); err == nil {
t.Errorf("got: nil, want: an error")
}
}
func TestPauseBeforeInit(t *testing.T) {
setup()
defer teardown()
src := bytes.NewReader(make([]byte, 4))
p, err := context.NewPlayer(src)
if err != nil {
t.Fatal(err)
}
p.Play()
p.Pause()
p.Play()
if err := audio.UpdateForTesting(); err != nil {
t.Error(err)
}
}