public void Syncs()
{
var exifProfile = new ExifProfile();
exifProfile.SetValue(ExifTag.XResolution, new Rational(200));
exifProfile.SetValue(ExifTag.YResolution, new Rational(300));
var metaData = new ImageMetaData();
metaData.ExifProfile = exifProfile;
metaData.HorizontalResolution = 200;
metaData.VerticalResolution = 300;
metaData.HorizontalResolution = 100;
Assert.Equal(200, ((Rational)metaData.ExifProfile.GetValue(ExifTag.XResolution).Value).ToDouble());
Assert.Equal(300, ((Rational)metaData.ExifProfile.GetValue(ExifTag.YResolution).Value).ToDouble());
exifProfile.Sync(metaData);
Assert.Equal(100, ((Rational)metaData.ExifProfile.GetValue(ExifTag.XResolution).Value).ToDouble());
Assert.Equal(300, ((Rational)metaData.ExifProfile.GetValue(ExifTag.YResolution).Value).ToDouble());
metaData.VerticalResolution = 150;
Assert.Equal(100, ((Rational)metaData.ExifProfile.GetValue(ExifTag.XResolution).Value).ToDouble());
Assert.Equal(300, ((Rational)metaData.ExifProfile.GetValue(ExifTag.YResolution).Value).ToDouble());
exifProfile.Sync(metaData);
Assert.Equal(100, ((Rational)metaData.ExifProfile.GetValue(ExifTag.XResolution).Value).ToDouble());
Assert.Equal(150, ((Rational)metaData.ExifProfile.GetValue(ExifTag.YResolution).Value).ToDouble());
}