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Split-off the passing tests to ensure they pass

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This commit is contained in:
Nadrieril 2024-01-16 16:39:38 +01:00
parent d8b72e796e
commit ff6fa67a9d
2 changed files with 24 additions and 17 deletions
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16
tests/ui/rfcs/rfc-0000-never_patterns/typeck.stderr → tests/ui/rfcs/rfc-0000-never_patterns/typeck.fail.stderr
View File

@ -1,5 +1,5 @@
error: mismatched types
--> $DIR/typeck.rs:21:9
--> $DIR/typeck.rs:25:9
|
LL | !,
| ^ a never pattern must be used on an uninhabited type
@ -7,7 +7,7 @@ LL | !,
= note: the matched value is of type `()`
error: mismatched types
--> $DIR/typeck.rs:25:9
--> $DIR/typeck.rs:29:9
|
LL | !,
| ^ a never pattern must be used on an uninhabited type
@ -15,7 +15,7 @@ LL | !,
= note: the matched value is of type `(i32, bool)`
error: mismatched types
--> $DIR/typeck.rs:29:13
--> $DIR/typeck.rs:33:13
|
LL | (_, !),
| ^ a never pattern must be used on an uninhabited type
@ -23,7 +23,7 @@ LL | (_, !),
= note: the matched value is of type `bool`
error: mismatched types
--> $DIR/typeck.rs:34:14
--> $DIR/typeck.rs:38:14
|
LL | Some(!),
| ^ a never pattern must be used on an uninhabited type
@ -31,7 +31,7 @@ LL | Some(!),
= note: the matched value is of type `i32`
error: mismatched types
--> $DIR/typeck.rs:41:9
--> $DIR/typeck.rs:45:9
|
LL | !,
| ^ a never pattern must be used on an uninhabited type
@ -39,7 +39,7 @@ LL | !,
= note: the matched value is of type `()`
error: mismatched types
--> $DIR/typeck.rs:48:9
--> $DIR/typeck.rs:52:9
|
LL | !,
| ^ a never pattern must be used on an uninhabited type
@ -47,7 +47,7 @@ LL | !,
= note: the matched value is of type `Option<Void>`
error: mismatched types
--> $DIR/typeck.rs:53:9
--> $DIR/typeck.rs:57:9
|
LL | !,
| ^ a never pattern must be used on an uninhabited type
@ -55,7 +55,7 @@ LL | !,
= note: the matched value is of type `[Void]`
error: mismatched types
--> $DIR/typeck.rs:59:9
--> $DIR/typeck.rs:63:9
|
LL | !,
| ^ a never pattern must be used on an uninhabited type

25
tests/ui/rfcs/rfc-0000-never_patterns/typeck.rs
View File

@ -1,3 +1,6 @@
// revisions: pass fail
//[pass] check-pass
//[fail] check-fail
#![feature(never_patterns)]
#![feature(exhaustive_patterns)]
#![allow(incomplete_features)]
@ -15,51 +18,55 @@ fn safe_unwrap_result<T: Copy>(res: Result<T, Void>) {
}
// Check we only accept `!` where we want to.
fn never_pattern_typeck(void: Void) {
#[cfg(fail)]
fn never_pattern_typeck_fail(void: Void) {
// Don't accept on a non-empty type.
match () {
!,
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
match (0, false) {
!,
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
match (0, false) {
(_, !),
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
match Some(0) {
None => {}
Some(!),
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
// Don't accept on an arbitrary type, even if there are no more branches.
match () {
() => {}
!,
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
// Don't accept even on an empty branch.
match None::<Void> {
None => {}
!,
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
match (&[] as &[Void]) {
[] => {}
!,
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
// Let alone if the emptiness is behind a reference.
match None::<&Void> {
None => {}
!,
//~^ ERROR: mismatched types
//[fail]~^ ERROR: mismatched types
}
}
#[cfg(pass)]
fn never_pattern_typeck_pass(void: Void) {
// Participate in match ergonomics.
match &void {
!,