public void DirectoryNode_GetDirectory_ReturnsNull_IfDirectoryDoesNotExist()
{
// Arrange
var root = new DirectoryNode("/");
// Act
var result = root.GetDirectory("/does-not/exist");
// Assert
Assert.Null(result);
}
public void DirectoryNode_GetDirectory_ReturnsRoot()
{
// Arrange
var root = new DirectoryNode("/");
// Act
var result = root.GetDirectory("/");
// Assert
Assert.Same(root, result);
}
