/// <summary>
/// Extends GetEntity so that methods that return a specific type object given a Type parameter can be
/// used as generic method and casting is not required.
/// <example>
/// xmlxapresolver.GetEntity<int>(absoluteUri, role);
/// </example>
/// </summary>
public static T GetEntity <T>(this XmlXapResolver xmlxapresolver, Uri absoluteUri, String role)
{
if (xmlxapresolver == null)
{
throw new ArgumentNullException("xmlxapresolver");
}
return((T)xmlxapresolver.GetEntity(absoluteUri, role, typeof(T)));
}
public void GetEntity()
{
XmlXapResolver xr = new XmlXapResolver();
Assert.Throws <ArgumentNullException> (delegate {
xr.GetEntity(null, "role", typeof(Stream));
}, "null,string,type");
Uri absolute = new Uri("http://www.mono-project.com/", UriKind.Absolute);
Assert.Throws <XmlException> (delegate {
xr.GetEntity(absolute, "role", typeof(Stream));
}, "absolute,string,type");
Uri relative = new Uri(String.Empty, UriKind.Relative);
Assert.Throws <IndexOutOfRangeException> (delegate {
xr.GetEntity(relative, "role", typeof(Stream));
}, "empty,string,type");
relative = new Uri("AppManifest.xaml", UriKind.Relative);
Stream s = (Stream)xr.GetEntity(relative, null, typeof(Stream));
Assert.IsNotNull(s, "relative,null,type");
Assert.IsTrue(s is Stream, "Stream");
s = (Stream)xr.GetEntity(relative, String.Empty, null);
Assert.IsNotNull(s, "relative,empty,null");
Assert.Throws <XmlException> (delegate {
xr.GetEntity(relative, null, s.GetType());
}, "relative,string,type/bad");
absolute = new Uri(Application.Current.Host.Source, relative);
Assert.Throws <XmlException> (delegate {
xr.GetEntity(absolute, String.Empty, null);
}, "absolute(app),empty,null");
absolute = new Uri(Application.Current.Host.Source + "#AppManifest.xaml");
Assert.Throws <XmlException> (delegate {
xr.GetEntity(absolute, String.Empty, null);
}, "absolute(fragment),empty,null");
relative = new Uri("does-not-exists.file", UriKind.Relative);
Assert.Throws <XmlException> (delegate {
xr.GetEntity(relative, String.Empty, null);
}, "relative(doesnotexists),empty,null");
}
