public async Task ShouldReadImageFromSeekablePartialStream()
{
using (var image = new MagickImage())
{
using (var fileStream = File.OpenRead(Files.ImageMagickJPG))
{
await image.ReadAsync(fileStream);
fileStream.Position = 0;
using (var partialStream = new PartialStream(fileStream, true))
{
using (var testImage = new MagickImage())
{
await testImage.ReadAsync(partialStream);
Assert.Equal(image.Width, testImage.Width);
Assert.Equal(image.Height, testImage.Height);
Assert.Equal(image.Format, testImage.Format);
Assert.Equal(0.0, image.Compare(testImage, ErrorMetric.RootMeanSquared));
}
}
}
}
}
public void ShouldPingImageFromNonSeekablePartialStream()
{
using (IMagickImage image = new MagickImage())
{
using (FileStream fs = File.OpenRead(Files.ImageMagickJPG))
{
image.Ping(fs);
fs.Position = 0;
using (PartialStream partialStream = new PartialStream(fs, false))
{
using (IMagickImage testImage = new MagickImage())
{
testImage.Ping(partialStream);
Assert.AreEqual(image.Width, testImage.Width);
Assert.AreEqual(image.Height, testImage.Height);
Assert.AreEqual(image.Format, testImage.Format);
Assert.AreEqual(0.0, image.Compare(testImage, ErrorMetric.RootMeanSquared));
}
}
}
}
}
