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#![warn(rust_2018_idioms)]
#![cfg(feature = "full")]
use tokio::{runtime, task};
use tokio_test::assert_ok;
use std::thread;
use std::time::Duration;
#[tokio::test]
async fn basic_blocking() {
// Run a few times
for _ in 0..100 {
let out = assert_ok!(
tokio::spawn(async {
assert_ok!(
task::spawn_blocking(|| {
thread::sleep(Duration::from_millis(5));
"hello"
})
.await
)
})
.await
);
assert_eq!(out, "hello");
}
}
#[tokio::test(threaded_scheduler)]
async fn block_in_blocking() {
// Run a few times
for _ in 0..100 {
let out = assert_ok!(
tokio::spawn(async {
assert_ok!(
task::spawn_blocking(|| {
task::block_in_place(|| {
thread::sleep(Duration::from_millis(5));
});
"hello"
})
.await
)
})
.await
);
assert_eq!(out, "hello");
}
}
#[tokio::test(threaded_scheduler)]
async fn block_in_block() {
// Run a few times
for _ in 0..100 {
let out = assert_ok!(
tokio::spawn(async {
task::block_in_place(|| {
task::block_in_place(|| {
thread::sleep(Duration::from_millis(5));
});
"hello"
})
})
.await
);
assert_eq!(out, "hello");
}
}
#[tokio::test(basic_scheduler)]
#[should_panic]
async fn no_block_in_basic_scheduler() {
task::block_in_place(|| {});
}
#[test]
fn yes_block_in_threaded_block_on() {
let mut rt = runtime::Builder::new()
.threaded_scheduler()
.build()
.unwrap();
rt.block_on(async {
task::block_in_place(|| {});
});
}
#[test]
#[should_panic]
fn no_block_in_basic_block_on() {
let mut rt = runtime::Builder::new().basic_scheduler().build().unwrap();
rt.block_on(async {
task::block_in_place(|| {});
});
}
#[test]
fn can_enter_basic_rt_from_within_block_in_place() {
let mut outer = tokio::runtime::Builder::new()
.threaded_scheduler()
.build()
.unwrap();
outer.block_on(async {
tokio::task::block_in_place(|| {
let mut inner = tokio::runtime::Builder::new()
.basic_scheduler()
.build()
.unwrap();
inner.block_on(async {})
})
});
}
|
