public void PauseSongTest()
{
var playControlViewModel = new PlayControlViewModel();
Assert.IsFalse(playControlViewModel.IsPlay);
playControlViewModel.PauseSong();
Assert.IsFalse(playControlViewModel.IsPlay);
playControlViewModel.IsPlay = true;
Assert.IsTrue(playControlViewModel.IsPlay);
}
private void timeSlider_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
playControlViewModel.PauseSong();
}