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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
commit | ef24de24a82fe681581cc130f342363c47c0969a (patch) | |
tree | 0d494f7e1a38b95c92426f58fe6eaa877303a86c /tests/ui/generator/smoke-resume-args.rs | |
parent | Releasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-ef24de24a82fe681581cc130f342363c47c0969a.tar.xz rustc-ef24de24a82fe681581cc130f342363c47c0969a.zip |
Merging upstream version 1.75.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/generator/smoke-resume-args.rs')
-rw-r--r-- | tests/ui/generator/smoke-resume-args.rs | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/tests/ui/generator/smoke-resume-args.rs b/tests/ui/generator/smoke-resume-args.rs deleted file mode 100644 index fa9271c53..000000000 --- a/tests/ui/generator/smoke-resume-args.rs +++ /dev/null @@ -1,100 +0,0 @@ -// run-pass - -// revisions: default nomiropt -//[nomiropt]compile-flags: -Z mir-opt-level=0 - -#![feature(generators, generator_trait)] - -use std::fmt::Debug; -use std::marker::Unpin; -use std::ops::{ - Generator, - GeneratorState::{self, *}, -}; -use std::pin::Pin; -use std::sync::atomic::{AtomicUsize, Ordering}; - -fn drain<G: Generator<R, Yield = Y> + Unpin, R, Y>( - gen: &mut G, - inout: Vec<(R, GeneratorState<Y, G::Return>)>, -) where - Y: Debug + PartialEq, - G::Return: Debug + PartialEq, -{ - let mut gen = Pin::new(gen); - - for (input, out) in inout { - assert_eq!(gen.as_mut().resume(input), out); - } -} - -static DROPS: AtomicUsize = AtomicUsize::new(0); - -#[derive(Debug, PartialEq)] -struct DropMe; - -impl Drop for DropMe { - fn drop(&mut self) { - DROPS.fetch_add(1, Ordering::SeqCst); - } -} - -fn expect_drops<T>(expected_drops: usize, f: impl FnOnce() -> T) -> T { - DROPS.store(0, Ordering::SeqCst); - - let res = f(); - - let actual_drops = DROPS.load(Ordering::SeqCst); - assert_eq!(actual_drops, expected_drops); - res -} - -fn main() { - drain( - &mut |mut b| { - while b != 0 { - b = yield (b + 1); - } - -1 - }, - vec![(1, Yielded(2)), (-45, Yielded(-44)), (500, Yielded(501)), (0, Complete(-1))], - ); - - expect_drops(2, || drain(&mut |a| yield a, vec![(DropMe, Yielded(DropMe))])); - - expect_drops(6, || { - drain( - &mut |a| yield yield a, - vec![(DropMe, Yielded(DropMe)), (DropMe, Yielded(DropMe)), (DropMe, Complete(DropMe))], - ) - }); - - #[allow(unreachable_code)] - expect_drops(2, || drain(&mut |a| yield return a, vec![(DropMe, Complete(DropMe))])); - - expect_drops(2, || { - drain( - &mut |a: DropMe| { - if false { yield () } else { a } - }, - vec![(DropMe, Complete(DropMe))], - ) - }); - - expect_drops(4, || { - drain( - #[allow(unused_assignments, unused_variables)] - &mut |mut a: DropMe| { - a = yield; - a = yield; - a = yield; - }, - vec![ - (DropMe, Yielded(())), - (DropMe, Yielded(())), - (DropMe, Yielded(())), - (DropMe, Complete(())), - ], - ) - }); -} |