private void picsPanel_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (picsPanel.SelectedIndex == -1)
{
imgPreview.Source = new BitmapImage();
return;
}
string path = (picsPanel.SelectedItem as MediaFile).ImagePath;
if (MediaFileFinder.IsImage(path))
{
try
{
imgPreview.Source = new BitmapImage(new Uri(path));
Console.WriteLine(imgPreview.Width + " " + imgPreview.Height);
}
catch { MessageBox.Show("Can not show " + path); }
}
else
{
imgPreview.Source = new BitmapImage(new Uri("pack://application:,,,/MediaPlayer;component/Resources/videoclip-icon.png"));
}
}
public void IsVideoClip_TestValidVideoClip()
{
string[] realClips = { "video.mp4", "video.mpg", "video.avi" };
foreach (string file in realClips)
{
Assert.IsTrue(MediaFileFinder.IsVideoClip(file));
}
string[] NotClips = { "video.qwer", "video.asdf", "video.zxcv" };
foreach (string file in NotClips)
{
Assert.IsFalse(MediaFileFinder.IsVideoClip(file));
}
}
public void IsImage_TestValidImage()
{
string[] realImages = { "image.jpg", "image.png" };
foreach (string file in realImages)
{
Assert.IsTrue(MediaFileFinder.IsImage(file));
}
string[] notImages = { "image.asf", "image.qwer" };
foreach (string file in notImages)
{
Assert.IsFalse(MediaFileFinder.IsImage(file));
}
}
public void IsImage_TestEmptyString()
{
string filePath = string.Empty;
try
{
MediaFileFinder.IsImage(filePath);
}
catch (ArgumentException e)
{
StringAssert.Contains(e.Message, MediaFileFinder.emptyValueMessage);
return;
}
Assert.Fail("Expected exception not thrown");
}
public void IsVideoClip_TestNullString()
{
string filePath = null;
try
{
MediaFileFinder.IsVideoClip(filePath);
}
catch (ArgumentException e)
{
StringAssert.Contains(e.Message, MediaFileFinder.nullValueMessage);
return;
}
Assert.Fail("Expected exception not thrown");
}
