public void DoesntWrapSeekableStream()
{
var s = new TestStream(true, "some data");
using (var actual = SeekableStreamWrapper.FromStream(s))
{
Assert.AreSame(s, actual);
Assert.IsTrue(actual.CanSeek);
}
}
public void WrapsNonSeekableStream()
{
var s = new TestStream(false, "some data");
using (var actual = SeekableStreamWrapper.FromStream(s))
{
Assert.AreNotSame(s, actual);
Assert.IsInstanceOfType(typeof(SeekableStreamWrapper), actual);
Assert.IsTrue(actual.CanSeek);
Assert.IsFalse(actual.CanWrite);
}
}
public void WrapsNonSeekableStream()
{
var s = new TestStream(false, "some data");
using (var actual = SeekableStreamWrapper.FromStream(s))
{
Assert.NotSame(s, actual);
Assert.IsAssignableFrom(typeof(SeekableStreamWrapper), actual);
Assert.True(actual.CanSeek);
Assert.False(actual.CanWrite);
}
}
/// <summary>
/// Allows .Build and .LoadImage to resize remote URLs
/// </summary>
/// <param name="source"></param>
/// <param name="settings"></param>
/// <param name="disposeStream"></param>
/// <param name="path"></param>
/// <param name="restoreStreamPosition"></param>
/// <returns></returns>
protected override Stream GetStream(object source, ResizeSettings settings, ref bool disposeStream, out string path, out bool restoreStreamPosition)
{
//Turn remote URLs into URI instances
if (source is string && (((string)source).StartsWith("http://", StringComparison.OrdinalIgnoreCase) ||
((string)source).StartsWith("https://", StringComparison.OrdinalIgnoreCase)))
{
if (Uri.IsWellFormedUriString((string)source, UriKind.Absolute))
{
source = new Uri((string)source);
}
}
restoreStreamPosition = false;
path = null;
//Turn URI instances into streams
if (source is Uri)
{
path = ((Uri)source).ToString();
return(SeekableStreamWrapper.FromStream(GetUriStream((Uri)source), ref disposeStream));
}
return(null);
}
public System.IO.Stream Open()
{
return(SeekableStreamWrapper.FromStream(parent.GetUriStream(new Uri(this.request.RemoteUrl))));
}