From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/rust/futures/tests/try_join.rs | 35 ++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 third_party/rust/futures/tests/try_join.rs (limited to 'third_party/rust/futures/tests/try_join.rs') diff --git a/third_party/rust/futures/tests/try_join.rs b/third_party/rust/futures/tests/try_join.rs new file mode 100644 index 0000000000..0281ab897d --- /dev/null +++ b/third_party/rust/futures/tests/try_join.rs @@ -0,0 +1,35 @@ +#![deny(unreachable_code)] + +use futures::{executor::block_on, try_join}; + +// TODO: This abuses https://github.com/rust-lang/rust/issues/58733 in order to +// test behavior of the `try_join!` macro with the never type before it is +// stabilized. Once `!` is again stabilized this can be removed and replaced +// with direct use of `!` below where `Never` is used. +trait MyTrait { + type Output; +} +impl MyTrait for fn() -> T { + type Output = T; +} +type Never = ! as MyTrait>::Output; + +#[test] +fn try_join_never_error() { + block_on(async { + let future1 = async { Ok::<(), Never>(()) }; + let future2 = async { Ok::<(), Never>(()) }; + try_join!(future1, future2) + }) + .unwrap(); +} + +#[test] +fn try_join_never_ok() { + block_on(async { + let future1 = async { Err::(()) }; + let future2 = async { Err::(()) }; + try_join!(future1, future2) + }) + .unwrap_err(); +} -- cgit v1.2.3