}

// Test that all File methods give ErrInvalid if the receiver is nil.
func TestNilFileMethods(t *testing.T) {
	t.Parallel()

	for _, tt := range nilFileMethodTests {
		var file *File
		got := tt.f(file)
		if got != ErrInvalid {
			t.Errorf("%v should fail when f is nil; got %v", tt.name, got)
		}
	}
}

func (f *fakeFile) Close() error               { return nil }
func (f *fakeFile) Stat() (fs.FileInfo, error) { return f.fi, nil }
func (f *fakeFile) Readdir(count int) ([]fs.FileInfo, error) {
	if !f.fi.dir {
		return nil, fs.ErrInvalid
	}
	var fis []fs.FileInfo

	limit := f.entpos + count
	if count <= 0 || limit > len(f.fi.ents) {
		limit = len(f.fi.ents)
	}
	for ; f.entpos < limit; f.entpos++ {