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sync: fix Semaphore::MAX_PERMITS test (#5582)

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Alice Ryhl 2023-03-25 19:09:05 +01:00 committed by GitHub
parent 92d33b7181
commit 822af18cf5
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1 changed files with 8 additions and 2 deletions
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10
tokio/src/sync/tests/semaphore_batch.rs
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@ -1,6 +1,8 @@
use crate::sync::batch_semaphore::Semaphore; use crate::sync::batch_semaphore::Semaphore;
use tokio_test::*; use tokio_test::*;
const MAX_PERMITS: usize = crate::sync::Semaphore::MAX_PERMITS;
#[cfg(tokio_wasm_not_wasi)] #[cfg(tokio_wasm_not_wasi)]
use wasm_bindgen_test::wasm_bindgen_test as test; use wasm_bindgen_test::wasm_bindgen_test as test;
@ -168,12 +170,16 @@ fn poll_acquire_one_zero_permits() {
assert_ready_ok!(acquire.poll()); assert_ready_ok!(acquire.poll());
} }
#[test]
fn max_permits_doesnt_panic() {
Semaphore::new(MAX_PERMITS);
}
#[test] #[test]
#[should_panic] #[should_panic]
#[cfg(not(tokio_wasm))] // wasm currently doesn't support unwinding #[cfg(not(tokio_wasm))] // wasm currently doesn't support unwinding
fn validates_max_permits() { fn validates_max_permits() {
use std::usize; Semaphore::new(MAX_PERMITS + 1);
Semaphore::new((usize::MAX >> 2) + 1);
} }
#[test] #[test]