Function sample_process_fits_in_a_small_stack

src/runtime_telemetry.rs:382–393

()

    /// inside a stack far smaller than Windows' 1 MiB main-thread default.
    #[test]
    fn sample_process_fits_in_a_small_stack() {
        // Zero CPU sample window: the stack-footprint guard cares about the
        // sysinfo refresh path, not the CPU delta, so skip the 200 ms sleep.
        let handle = std::thread::Builder::new()
            .stack_size(512 * 1024)
            .spawn(|| sample_process_with_window(Duration::ZERO))
            .expect("spawn small-stack thread");
        let snap = handle
            .join()
            .expect("sample_process must not overflow a 512 KiB stack");
        assert_eq!(snap.pid, std::process::id());
    }
}