// Excerpt from directory_read_grant_denies_a_forbidden_hard_link_created_after_compilation.
// Fixture construction appears earlier in the source test; this is not a standalone program.
    let existing_control = compile_for_target(required_path("CHIO_CAGE_TEST_DIRECTORY_READ"));
    let late_link_attack = compile_for_target(required_path("CHIO_CAGE_TEST_DIRECTORY_HARD_LINK"));
    std::fs::hard_link(&forbidden_file, &late_forbidden_link).test_unwrap();

    for compiled in [existing_control, late_link_attack] {
        let record = launch(compiled, CageLaunchOptions::default())
            .test_unwrap()
            .wait()
            .test_unwrap();
        assert_eq!(
            record.exit.as_ref().and_then(|exit| exit.exit_code),
            Some(0)
        );
    }

    std::fs::remove_dir_all(&allowed_directory).test_unwrap();
    std::fs::remove_file(&forbidden_file).test_unwrap();