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tokio 1.0.3

An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications.
Documentation 
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#![warn(rust_2018_idioms)]
#![cfg(feature = "full")]

use tokio_test::assert_err;

#[tokio::test]
async fn pause_time_in_main() {
    tokio::time::pause();
}

#[tokio::test]
async fn pause_time_in_task() {
    let t = tokio::spawn(async {
        tokio::time::pause();
    });

    t.await.unwrap();
}

#[tokio::test(flavor = "multi_thread", worker_threads = 1)]
#[should_panic]
async fn pause_time_in_main_threads() {
    tokio::time::pause();
}

#[tokio::test(flavor = "multi_thread", worker_threads = 1)]
async fn pause_time_in_spawn_threads() {
    let t = tokio::spawn(async {
        tokio::time::pause();
    });

    assert_err!(t.await);
}