func TestPlayback(t *testing.T) {
a := assert.New(t)
p, err := NewPlaybackDevice("nonexistent", 1, FormatS16LE, 44100,
BufferParams{})
a.Equal(p, (*PlaybackDevice)(nil), "playback device is nil")
a.Error(err, "no device error")
p, err = NewPlaybackDevice("null", 1, FormatS32LE, 44100,
BufferParams{})
a.NoError(err, "created playback device")
b1 := make([]int8, 100)
frames, err := p.Write(b1)
a.Error(err, "wrong type error")
a.Equal(frames, 0, "no frames written")
b2 := make([]int32, 100)
frames, err = p.Write(b2)
a.NoError(err, "buffer written ok")
a.Equal(frames, 100, "100 frames written")
p.Close()
}
func TestCapture(t *testing.T) {
a := assert.New(t)
c, err := NewCaptureDevice("nonexistent", 1, FormatS16LE, 44100,
BufferParams{})
a.Equal(c, (*CaptureDevice)(nil), "capture device is nil")
a.Error(err, "no device error")
c, err = NewCaptureDevice("null", 1, FormatS32LE, 44100, BufferParams{})
a.NoError(err, "created capture device")
b1 := make([]int8, 100)
samples, err := c.Read(b1)
a.Error(err, "wrong type error")
a.Equal(samples, 0, "no samples read")
b2 := make([]int32, 200)
samples, err = c.Read(b2)
a.NoError(err, "read samples ok")
a.Equal(len(b2), samples, "correct number of samples read")
c.Close()
}