diff options
Diffstat (limited to 'src/test/ui/mir/mir_build_match_comparisons.rs')
-rw-r--r-- | src/test/ui/mir/mir_build_match_comparisons.rs | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/test/ui/mir/mir_build_match_comparisons.rs b/src/test/ui/mir/mir_build_match_comparisons.rs new file mode 100644 index 000000000..045700557 --- /dev/null +++ b/src/test/ui/mir/mir_build_match_comparisons.rs @@ -0,0 +1,59 @@ +// run-pass +#![allow(dead_code)] +fn test1(x: i8) -> i32 { + match x { + 1..=10 => 0, + _ => 1, + } +} + +const U: Option<i8> = Some(10); +const S: &'static str = "hello"; + +fn test2(x: i8) -> i32 { + match Some(x) { + U => 0, + _ => 1, + } +} + +fn test3(x: &'static str) -> i32 { + match x { + S => 0, + _ => 1, + } +} + +enum Opt<T> { + Some { v: T }, + None +} + +fn test4(x: u64) -> i32 { + let opt = Opt::Some{ v: x }; + match opt { + Opt::Some { v: 10 } => 0, + _ => 1, + } +} + + +fn main() { + assert_eq!(test1(0), 1); + assert_eq!(test1(1), 0); + assert_eq!(test1(2), 0); + assert_eq!(test1(5), 0); + assert_eq!(test1(9), 0); + assert_eq!(test1(10), 0); + assert_eq!(test1(11), 1); + assert_eq!(test1(20), 1); + assert_eq!(test2(10), 0); + assert_eq!(test2(0), 1); + assert_eq!(test2(20), 1); + assert_eq!(test3("hello"), 0); + assert_eq!(test3(""), 1); + assert_eq!(test3("world"), 1); + assert_eq!(test4(10), 0); + assert_eq!(test4(0), 1); + assert_eq!(test4(20), 1); +} |