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Addition manual_map test for unsafe blocks

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This commit is contained in:
Jason Newcomb 2021-11-17 10:39:53 -05:00
parent 8506f66294
commit 5f861ee1ae
3 changed files with 20 additions and 3 deletions
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2
tests/ui/manual_map_option_2.fixed
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@ -48,6 +48,7 @@ fn main() {
if let Some(ref s) = s { (x.clone(), s) } else { panic!() }
});
// Issue #7820
unsafe fn f(x: u32) -> u32 {
x
}
@ -55,4 +56,5 @@ fn main() {
let _ = Some(0).map(|x| f(x));
}
let _ = Some(0).map(|x| unsafe { f(x) });
let _ = Some(0).map(|x| unsafe { f(x) });
}

5
tests/ui/manual_map_option_2.rs
View file

@ -54,6 +54,7 @@ fn main() {
None => None,
};
// Issue #7820
unsafe fn f(x: u32) -> u32 {
x
}
@ -67,4 +68,8 @@ fn main() {
Some(x) => unsafe { Some(f(x)) },
None => None,
};
let _ = match Some(0) {
Some(x) => Some(unsafe { f(x) }),
None => None,
};
}

16
tests/ui/manual_map_option_2.stderr
View file

@ -40,7 +40,7 @@ LL ~ });
|
error: manual implementation of `Option::map`
--> $DIR/manual_map_option_2.rs:61:17
--> $DIR/manual_map_option_2.rs:62:17
|
LL | let _ = match Some(0) {
| _________________^
@ -50,7 +50,7 @@ LL | | };
| |_________^ help: try this: `Some(0).map(|x| f(x))`
error: manual implementation of `Option::map`
--> $DIR/manual_map_option_2.rs:66:13
--> $DIR/manual_map_option_2.rs:67:13
|
LL | let _ = match Some(0) {
| _____________^
@ -59,5 +59,15 @@ LL | | None => None,
LL | | };
| |_____^ help: try this: `Some(0).map(|x| unsafe { f(x) })`
error: aborting due to 4 previous errors
error: manual implementation of `Option::map`
--> $DIR/manual_map_option_2.rs:71:13
|
LL | let _ = match Some(0) {
| _____________^
LL | | Some(x) => Some(unsafe { f(x) }),
LL | | None => None,
LL | | };
| |_____^ help: try this: `Some(0).map(|x| unsafe { f(x) })`
error: aborting due to 5 previous errors