public void ChangeExtensionWithNull()
{
// Setup
var file = new FsFile(@"x:\directory\File.txt");
// Execute
var result = file.ChangeExtension(a_extension: null);
}
public void ChangeExtension()
{
// Setup
var file = new FsFile(@"x:\directory\File.txt");
// Execute
var result = file.ChangeExtension("jpg");
Assert.AreEqual("File.jpg", result.Name);
Assert.AreEqual(@"x:\directory\File.jpg", result.Path);
}