You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: virtualfs_test.go
    path of file: ./repos/syncthing/lib/scanner
    
    the code of the file until where you have to start completion: // Copyright (C) 2017 The Syncthing Authors.
//
// This Source Code Form is subject to th
    
func (s singleFileFS) Stat(name string) (fs.FileInfo, error) {
	switch name {
	case ".":
		return fakeInfo{".", 0}, nil
	case s.name:
		return fakeInfo{s.name, s.filesize}, nil
	default:
		return nil, errors.New("no such file")
	}
}