public void TextContentTypeIsAvailable()
{
var contentType = _registry.ForName("text");
Assert.AreEqual("text", contentType.Name);
Assert.AreEqual("text", _registry.ForFileExtension(".txt").Name);
Assert.AreEqual(new[] { ".txt" }, _registry.FileExtensionsFor(contentType));
}
/// <summary>
/// Returns the content type specific implementation of service <typeparamref name="T"/>
/// based on a file extension.
/// </summary>
/// <typeparam name="T">Service contract.</typeparam>
/// <returns>Returns default(T) if either the content type or the service are not
/// found.</returns>
public static T ServiceForFileExtension <T>(this IContentTypeRegistry contentTypeRegistry, string fileExtension)
{
var contentType = contentTypeRegistry.ForFileExtension(fileExtension);
return(contentType != null
? contentType.GetService <T>()
: default(T));
}