diff options
Diffstat (limited to 'src/test/ui/pattern/usefulness/empty-match.rs')
-rw-r--r-- | src/test/ui/pattern/usefulness/empty-match.rs | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/test/ui/pattern/usefulness/empty-match.rs b/src/test/ui/pattern/usefulness/empty-match.rs deleted file mode 100644 index 9cdc0413b..000000000 --- a/src/test/ui/pattern/usefulness/empty-match.rs +++ /dev/null @@ -1,95 +0,0 @@ -// aux-build:empty.rs -// revisions: normal exhaustive_patterns -// -// This tests a match with no arms on various types. -#![feature(never_type)] -#![feature(never_type_fallback)] -#![cfg_attr(exhaustive_patterns, feature(exhaustive_patterns))] -#![deny(unreachable_patterns)] - -extern crate empty; - -enum EmptyEnum {} - -struct NonEmptyStruct1; -struct NonEmptyStruct2(bool); -union NonEmptyUnion1 { - foo: (), -} -union NonEmptyUnion2 { - foo: (), - bar: (), -} -enum NonEmptyEnum1 { - Foo(bool), -} -enum NonEmptyEnum2 { - Foo(bool), - Bar, -} -enum NonEmptyEnum5 { - V1, V2, V3, V4, V5, -} - -fn empty_enum(x: EmptyEnum) { - match x {} // ok - match x { - _ => {}, //~ ERROR unreachable pattern - } - match x { - _ if false => {}, //~ ERROR unreachable pattern - } -} - -fn empty_foreign_enum(x: empty::EmptyForeignEnum) { - match x {} // ok - match x { - _ => {}, //~ ERROR unreachable pattern - } - match x { - _ if false => {}, //~ ERROR unreachable pattern - } -} - -fn never(x: !) { - match x {} // ok - match x { - _ => {}, //~ ERROR unreachable pattern - } - match x { - _ if false => {}, //~ ERROR unreachable pattern - } -} - -macro_rules! match_no_arms { - ($e:expr) => { - match $e {} - }; -} -macro_rules! match_guarded_arm { - ($e:expr) => { - match $e { - _ if false => {} - } - }; -} - -fn main() { - match_no_arms!(0u8); //~ ERROR type `u8` is non-empty - match_no_arms!(NonEmptyStruct1); //~ ERROR type `NonEmptyStruct1` is non-empty - match_no_arms!(NonEmptyStruct2(true)); //~ ERROR type `NonEmptyStruct2` is non-empty - match_no_arms!((NonEmptyUnion1 { foo: () })); //~ ERROR type `NonEmptyUnion1` is non-empty - match_no_arms!((NonEmptyUnion2 { foo: () })); //~ ERROR type `NonEmptyUnion2` is non-empty - match_no_arms!(NonEmptyEnum1::Foo(true)); //~ ERROR `NonEmptyEnum1::Foo(_)` not covered - match_no_arms!(NonEmptyEnum2::Foo(true)); //~ ERROR `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered - match_no_arms!(NonEmptyEnum5::V1); //~ ERROR `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered - - match_guarded_arm!(0u8); //~ ERROR `_` not covered - match_guarded_arm!(NonEmptyStruct1); //~ ERROR `NonEmptyStruct1` not covered - match_guarded_arm!(NonEmptyStruct2(true)); //~ ERROR `NonEmptyStruct2(_)` not covered - match_guarded_arm!((NonEmptyUnion1 { foo: () })); //~ ERROR `NonEmptyUnion1 { .. }` not covered - match_guarded_arm!((NonEmptyUnion2 { foo: () })); //~ ERROR `NonEmptyUnion2 { .. }` not covered - match_guarded_arm!(NonEmptyEnum1::Foo(true)); //~ ERROR `NonEmptyEnum1::Foo(_)` not covered - match_guarded_arm!(NonEmptyEnum2::Foo(true)); //~ ERROR `NonEmptyEnum2::Foo(_)` and `NonEmptyEnum2::Bar` not covered - match_guarded_arm!(NonEmptyEnum5::V1); //~ ERROR `NonEmptyEnum5::V1`, `NonEmptyEnum5::V2`, `NonEmptyEnum5::V3` and 2 more not covered -} |