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| author | GlacJAY <glacjay@gmail.com> | 2015-02-22 11:38:35 +0800 |
|---|---|---|
| committer | GlacJAY <glacjay@gmail.com> | 2015-02-22 11:38:35 +0800 |
| commit | c2a2b1050799609658ab9662bf93842bba6631ba (patch) | |
| tree | 9f081e7732cb3558cc5dae74a7f995cff268345b /src/libstd/num | |
| parent | 522d09dfecbeca1595f25ac58c6d0178bbd21d7d (diff) | |
| download | rust-c2a2b1050799609658ab9662bf93842bba6631ba.tar.gz rust-c2a2b1050799609658ab9662bf93842bba6631ba.zip | |
shift int/uint tests around to avoid code repetition
Diffstat (limited to 'src/libstd/num')
| -rw-r--r-- | src/libstd/num/mod.rs | 66 | ||||
| -rw-r--r-- | src/libstd/num/uint_macros.rs | 62 |
2 files changed, 66 insertions, 62 deletions
diff --git a/src/libstd/num/mod.rs b/src/libstd/num/mod.rs index c94c1649833..10768723c71 100644 --- a/src/libstd/num/mod.rs +++ b/src/libstd/num/mod.rs @@ -1751,6 +1751,72 @@ mod tests { assert_pow!((8, 3 ) => 512); assert_pow!((2u64, 50) => 1125899906842624); } + + #[test] + fn test_uint_to_str_overflow() { + let mut u8_val: u8 = 255_u8; + assert_eq!(u8_val.to_string(), "255"); + + u8_val += 1 as u8; + assert_eq!(u8_val.to_string(), "0"); + + let mut u16_val: u16 = 65_535_u16; + assert_eq!(u16_val.to_string(), "65535"); + + u16_val += 1 as u16; + assert_eq!(u16_val.to_string(), "0"); + + let mut u32_val: u32 = 4_294_967_295_u32; + assert_eq!(u32_val.to_string(), "4294967295"); + + u32_val += 1 as u32; + assert_eq!(u32_val.to_string(), "0"); + + let mut u64_val: u64 = 18_446_744_073_709_551_615_u64; + assert_eq!(u64_val.to_string(), "18446744073709551615"); + + u64_val += 1 as u64; + assert_eq!(u64_val.to_string(), "0"); + } + + fn from_str<T: ::str::FromStr>(t: &str) -> Option<T> { + ::str::FromStr::from_str(t).ok() + } + + #[test] + fn test_uint_from_str_overflow() { + let mut u8_val: u8 = 255_u8; + assert_eq!(from_str::<u8>("255"), Some(u8_val)); + assert_eq!(from_str::<u8>("256"), None); + + u8_val += 1 as u8; + assert_eq!(from_str::<u8>("0"), Some(u8_val)); + assert_eq!(from_str::<u8>("-1"), None); + + let mut u16_val: u16 = 65_535_u16; + assert_eq!(from_str::<u16>("65535"), Some(u16_val)); + assert_eq!(from_str::<u16>("65536"), None); + + u16_val += 1 as u16; + assert_eq!(from_str::<u16>("0"), Some(u16_val)); + assert_eq!(from_str::<u16>("-1"), None); + + let mut u32_val: u32 = 4_294_967_295_u32; + assert_eq!(from_str::<u32>("4294967295"), Some(u32_val)); + assert_eq!(from_str::<u32>("4294967296"), None); + + u32_val += 1 as u32; + assert_eq!(from_str::<u32>("0"), Some(u32_val)); + assert_eq!(from_str::<u32>("-1"), None); + + let mut u64_val: u64 = 18_446_744_073_709_551_615_u64; + assert_eq!(from_str::<u64>("18446744073709551615"), Some(u64_val)); + assert_eq!(from_str::<u64>("18446744073709551616"), None); + + u64_val += 1 as u64; + assert_eq!(from_str::<u64>("0"), Some(u64_val)); + assert_eq!(from_str::<u64>("-1"), None); + } } diff --git a/src/libstd/num/uint_macros.rs b/src/libstd/num/uint_macros.rs index 8d4f0344beb..c9e6a8f66d1 100644 --- a/src/libstd/num/uint_macros.rs +++ b/src/libstd/num/uint_macros.rs @@ -48,68 +48,6 @@ mod tests { assert_eq!(FromStrRadix::from_str_radix("Z", 10).ok(), None::<$T>); assert_eq!(FromStrRadix::from_str_radix("_", 2).ok(), None::<$T>); } - - #[test] - fn test_uint_to_str_overflow() { - let mut u8_val: u8 = 255_u8; - assert_eq!(u8_val.to_string(), "255"); - - u8_val += 1 as u8; - assert_eq!(u8_val.to_string(), "0"); - - let mut u16_val: u16 = 65_535_u16; - assert_eq!(u16_val.to_string(), "65535"); - - u16_val += 1 as u16; - assert_eq!(u16_val.to_string(), "0"); - - let mut u32_val: u32 = 4_294_967_295_u32; - assert_eq!(u32_val.to_string(), "4294967295"); - - u32_val += 1 as u32; - assert_eq!(u32_val.to_string(), "0"); - - let mut u64_val: u64 = 18_446_744_073_709_551_615_u64; - assert_eq!(u64_val.to_string(), "18446744073709551615"); - - u64_val += 1 as u64; - assert_eq!(u64_val.to_string(), "0"); - } - - #[test] - fn test_uint_from_str_overflow() { - let mut u8_val: u8 = 255_u8; - assert_eq!(from_str::<u8>("255"), Some(u8_val)); - assert_eq!(from_str::<u8>("256"), None); - - u8_val += 1 as u8; - assert_eq!(from_str::<u8>("0"), Some(u8_val)); - assert_eq!(from_str::<u8>("-1"), None); - - let mut u16_val: u16 = 65_535_u16; - assert_eq!(from_str::<u16>("65535"), Some(u16_val)); - assert_eq!(from_str::<u16>("65536"), None); - - u16_val += 1 as u16; - assert_eq!(from_str::<u16>("0"), Some(u16_val)); - assert_eq!(from_str::<u16>("-1"), None); - - let mut u32_val: u32 = 4_294_967_295_u32; - assert_eq!(from_str::<u32>("4294967295"), Some(u32_val)); - assert_eq!(from_str::<u32>("4294967296"), None); - - u32_val += 1 as u32; - assert_eq!(from_str::<u32>("0"), Some(u32_val)); - assert_eq!(from_str::<u32>("-1"), None); - - let mut u64_val: u64 = 18_446_744_073_709_551_615_u64; - assert_eq!(from_str::<u64>("18446744073709551615"), Some(u64_val)); - assert_eq!(from_str::<u64>("18446744073709551616"), None); - - u64_val += 1 as u64; - assert_eq!(from_str::<u64>("0"), Some(u64_val)); - assert_eq!(from_str::<u64>("-1"), None); - } } ) } |
