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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/rust/pin-project/tests/unsafe_unpin.rs
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/pin-project/tests/unsafe_unpin.rs')
-rw-r--r--third_party/rust/pin-project/tests/unsafe_unpin.rs50
1 files changed, 50 insertions, 0 deletions
diff --git a/third_party/rust/pin-project/tests/unsafe_unpin.rs b/third_party/rust/pin-project/tests/unsafe_unpin.rs
new file mode 100644
index 0000000000..8b6411c775
--- /dev/null
+++ b/third_party/rust/pin-project/tests/unsafe_unpin.rs
@@ -0,0 +1,50 @@
+#![warn(rust_2018_idioms, single_use_lifetimes)]
+#![allow(dead_code)]
+
+#[macro_use]
+mod auxiliary;
+
+use std::marker::PhantomPinned;
+
+use pin_project::{pin_project, UnsafeUnpin};
+
+#[pin_project(UnsafeUnpin)]
+pub struct Blah<T, U> {
+ f1: U,
+ #[pin]
+ f2: T,
+}
+
+unsafe impl<T: Unpin, U> UnsafeUnpin for Blah<T, U> {}
+
+assert_unpin!(Blah<(), ()>);
+assert_unpin!(Blah<(), PhantomPinned>);
+assert_not_unpin!(Blah<PhantomPinned, ()>);
+assert_not_unpin!(Blah<PhantomPinned, PhantomPinned>);
+
+#[pin_project(UnsafeUnpin)]
+struct OverlappingLifetimeNames<'pin, T, U> {
+ #[pin]
+ f1: U,
+ #[pin]
+ f2: Option<T>,
+ f3: &'pin (),
+}
+
+unsafe impl<T: Unpin, U: Unpin> UnsafeUnpin for OverlappingLifetimeNames<'_, T, U> {}
+
+assert_unpin!(OverlappingLifetimeNames<'_, (), ()>);
+assert_not_unpin!(OverlappingLifetimeNames<'_, PhantomPinned, ()>);
+assert_not_unpin!(OverlappingLifetimeNames<'_, (), PhantomPinned>);
+assert_not_unpin!(OverlappingLifetimeNames<'_, PhantomPinned, PhantomPinned>);
+
+#[test]
+fn trivial_bounds() {
+ #[pin_project(UnsafeUnpin)]
+ pub struct NotImplementUnsafUnpin {
+ #[pin]
+ f: PhantomPinned,
+ }
+
+ assert_not_unpin!(NotImplementUnsafUnpin);
+}