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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-07 05:48:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-07 05:48:48 +0000
commitef24de24a82fe681581cc130f342363c47c0969a (patch)
tree0d494f7e1a38b95c92426f58fe6eaa877303a86c /tests/ui/generator/smoke-resume-args.rs
parentReleasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff)
downloadrustc-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.rs100
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(())),
- ],
- )
- });
-}