diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /third_party/rust/pin-utils/tests | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/pin-utils/tests')
-rw-r--r-- | third_party/rust/pin-utils/tests/projection.rs | 27 | ||||
-rw-r--r-- | third_party/rust/pin-utils/tests/stack_pin.rs | 21 |
2 files changed, 48 insertions, 0 deletions
diff --git a/third_party/rust/pin-utils/tests/projection.rs b/third_party/rust/pin-utils/tests/projection.rs new file mode 100644 index 0000000000..492c26d9a8 --- /dev/null +++ b/third_party/rust/pin-utils/tests/projection.rs @@ -0,0 +1,27 @@ +use pin_utils::{unsafe_pinned, unsafe_unpinned, pin_mut}; +use std::pin::Pin; +use std::marker::Unpin; + +struct Foo<T1, T2> { + field1: T1, + field2: T2, +} + +impl<T1, T2> Foo<T1, T2> { + unsafe_pinned!(field1: T1); + unsafe_unpinned!(field2: T2); +} + +impl<T1: Unpin, T2> Unpin for Foo<T1, T2> {} // Conditional Unpin impl + +#[test] +fn projection() { + let foo = Foo { field1: 1, field2: 2 }; + pin_mut!(foo); + + let x1: Pin<&mut i32> = foo.as_mut().field1(); + assert_eq!(*x1, 1); + + let x2: &mut i32 = foo.as_mut().field2(); + assert_eq!(*x2, 2); +} diff --git a/third_party/rust/pin-utils/tests/stack_pin.rs b/third_party/rust/pin-utils/tests/stack_pin.rs new file mode 100644 index 0000000000..4b6758dc12 --- /dev/null +++ b/third_party/rust/pin-utils/tests/stack_pin.rs @@ -0,0 +1,21 @@ +#![forbid(unsafe_code)] // pin_mut! is completely safe. + +use pin_utils::pin_mut; +use core::pin::Pin; + +#[test] +fn stack_pin() { + struct Foo {} + let foo = Foo {}; + pin_mut!(foo); + let _: Pin<&mut Foo> = foo; + + let bar = Foo {}; + let baz = Foo {}; + pin_mut!( + bar, + baz, + ); + let _: Pin<&mut Foo> = bar; + let _: Pin<&mut Foo> = baz; +} |