Vendor dependencies for 0.3.0 release

vendor/pin-project/tests/unsafe_unpin.rs

@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: Apache-2.0 OR MIT
+
+#![allow(dead_code, clippy::undocumented_unsafe_blocks)]
+
+#[macro_use]
+mod auxiliary;
+
+use std::marker::PhantomPinned;
+
+use pin_project::{UnsafeUnpin, pin_project};
+
+#[pin_project(UnsafeUnpin)]
+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)]
+    struct NotImplementUnsafeUnpin {
+        #[pin]
+        f: PhantomPinned,
+    }
+
+    assert_not_unpin!(NotImplementUnsafeUnpin);
+}