diff options
Diffstat (limited to 'src/libcoretest/num')
| -rw-r--r-- | src/libcoretest/num/uint_macros.rs | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/libcoretest/num/uint_macros.rs b/src/libcoretest/num/uint_macros.rs index 1712345f9d9..6238c6d43e3 100644 --- a/src/libcoretest/num/uint_macros.rs +++ b/src/libcoretest/num/uint_macros.rs @@ -14,6 +14,7 @@ mod tests { use core::$T_i::*; use num; use core::ops::{BitOr, BitAnd, BitXor, Shl, Shr, Not}; + use std::str; #[test] fn test_overflows() { @@ -121,6 +122,35 @@ mod tests { assert!((10 as $T).checked_div(2) == Some(5)); assert!((5 as $T).checked_div(0) == None); } -} + + fn from_str<T: FromStr>(t: &str) -> Option<T> { + FromStr::from_str(t).ok() + } + + #[test] + pub fn test_from_str() { + assert_eq!(from_str::<$T>("0"), Some(0 as $T)); + assert_eq!(from_str::<$T>("3"), Some(3 as $T)); + assert_eq!(from_str::<$T>("10"), Some(10 as $T)); + assert_eq!(from_str::<u32>("123456789"), Some(123456789 as u32)); + assert_eq!(from_str::<$T>("00100"), Some(100 as $T)); + + assert_eq!(from_str::<$T>(""), None); + assert_eq!(from_str::<$T>(" "), None); + assert_eq!(from_str::<$T>("x"), None); + } + + #[test] + pub fn test_parse_bytes() { + assert_eq!($T::from_str_radix("123", 10), Ok(123 as $T)); + assert_eq!($T::from_str_radix("1001", 2), Ok(9 as $T)); + assert_eq!($T::from_str_radix("123", 8), Ok(83 as $T)); + assert_eq!(u16::from_str_radix("123", 16), Ok(291 as u16)); + assert_eq!(u16::from_str_radix("ffff", 16), Ok(65535 as u16)); + assert_eq!($T::from_str_radix("z", 36), Ok(35 as $T)); + + assert_eq!($T::from_str_radix("Z", 10).ok(), None::<$T>); + assert_eq!($T::from_str_radix("_", 2).ok(), None::<$T>); + } )} |