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Add test for async fn methods feature gating

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This commit is contained in:
varkor 2019-04-18 19:15:53 +01:00
parent 47a558ed7c
commit c93c7e4e7c
2 changed files with 19 additions and 4 deletions
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6
src/test/ui/feature-gates/feature-gate-async-await.rs
View file

@ -2,6 +2,12 @@
#![feature(futures_api)]
struct S;
impl S {
async fn foo() {} //~ ERROR async fn is unstable
}
async fn foo() {} //~ ERROR async fn is unstable
fn main() {

17
src/test/ui/feature-gates/feature-gate-async-await.stderr
View file

@ -1,5 +1,14 @@
error[E0658]: async fn is unstable
--> $DIR/feature-gate-async-await.rs:5:1
--> $DIR/feature-gate-async-await.rs:8:5
|
LL | async fn foo() {}
| ^^^^^^^^^^^^^^^^^
|
= note: for more information, see https://github.com/rust-lang/rust/issues/50547
= help: add #![feature(async_await)] to the crate attributes to enable
error[E0658]: async fn is unstable
--> $DIR/feature-gate-async-await.rs:11:1
|
LL | async fn foo() {}
| ^^^^^^^^^^^^^^^^^
@ -8,7 +17,7 @@ LL | async fn foo() {}
= help: add #![feature(async_await)] to the crate attributes to enable
error[E0658]: async blocks are unstable
--> $DIR/feature-gate-async-await.rs:8:13
--> $DIR/feature-gate-async-await.rs:14:13
|
LL | let _ = async {};
| ^^^^^^^^
@ -17,7 +26,7 @@ LL | let _ = async {};
= help: add #![feature(async_await)] to the crate attributes to enable
error[E0658]: async closures are unstable
--> $DIR/feature-gate-async-await.rs:9:13
--> $DIR/feature-gate-async-await.rs:15:13
|
LL | let _ = async || {};
| ^^^^^^^^^^^
@ -25,6 +34,6 @@ LL | let _ = async || {};
= note: for more information, see https://github.com/rust-lang/rust/issues/50547
= help: add #![feature(async_await)] to the crate attributes to enable
error: aborting due to 3 previous errors
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0658`.