}
	s = writeFile(t, f, O_CREATE|O_TRUNC|O_RDWR, "new")
	if s != "new" {
		t.Fatalf("writeFile: after truncate have %q want %q", s, "new")
	}
}

func TestStatDirWithTrailingSlash(t *testing.T) {
	t.Parallel()

	// Create new temporary directory and arrange to clean it up.
	path := t.TempDir()

	// Stat of path should succeed.
	if _, err := Stat(path); err != nil {