diff options
| -rw-r--r-- | src/libcollectionstest/slice.rs | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/src/libcollectionstest/slice.rs b/src/libcollectionstest/slice.rs index ca2ee0c512b..236c151891d 100644 --- a/src/libcollectionstest/slice.rs +++ b/src/libcollectionstest/slice.rs @@ -574,18 +574,48 @@ fn test_slice_2() { assert_eq!(v[1], 3); } +macro_rules! assert_order { + (Greater, $a:expr, $b:expr) => { + assert_eq!($a.cmp($b), Greater); + assert!($a > $b); + }; + (Less, $a:expr, $b:expr) => { + assert_eq!($a.cmp($b), Less); + assert!($a < $b); + }; + (Equal, $a:expr, $b:expr) => { + assert_eq!($a.cmp($b), Equal); + assert_eq!($a, $b); + } +} + +#[test] +fn test_total_ord_u8() { + let c = &[1u8, 2, 3]; + assert_order!(Greater, &[1u8, 2, 3, 4][..], &c[..]); + let c = &[1u8, 2, 3, 4]; + assert_order!(Less, &[1u8, 2, 3][..], &c[..]); + let c = &[1u8, 2, 3, 6]; + assert_order!(Equal, &[1u8, 2, 3, 6][..], &c[..]); + let c = &[1u8, 2, 3, 4, 5, 6]; + assert_order!(Less, &[1u8, 2, 3, 4, 5, 5, 5, 5][..], &c[..]); + let c = &[1u8, 2, 3, 4]; + assert_order!(Greater, &[2u8, 2][..], &c[..]); +} + + #[test] -fn test_total_ord() { +fn test_total_ord_i32() { let c = &[1, 2, 3]; - [1, 2, 3, 4][..].cmp(c) == Greater; + assert_order!(Greater, &[1, 2, 3, 4][..], &c[..]); let c = &[1, 2, 3, 4]; - [1, 2, 3][..].cmp(c) == Less; + assert_order!(Less, &[1, 2, 3][..], &c[..]); let c = &[1, 2, 3, 6]; - [1, 2, 3, 4][..].cmp(c) == Equal; + assert_order!(Equal, &[1, 2, 3, 6][..], &c[..]); let c = &[1, 2, 3, 4, 5, 6]; - [1, 2, 3, 4, 5, 5, 5, 5][..].cmp(c) == Less; + assert_order!(Less, &[1, 2, 3, 4, 5, 5, 5, 5][..], &c[..]); let c = &[1, 2, 3, 4]; - [2, 2][..].cmp(c) == Greater; + assert_order!(Greater, &[2, 2][..], &c[..]); } #[test] |