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Auto merge of #77470 - jonas-schievink:rollup-9a2hulp, r=jonas-schievink
Rollup of 8 pull requests Successful merges: - #75377 (Fix Debug implementations of some of the HashMap and BTreeMap iterator types) - #76107 (Write manifest for MAJOR.MINOR channel to enable rustup convenience) - #76745 (Move Wrapping<T> ui tests into library) - #77182 (Add missing examples for Fd traits) - #77251 (Bypass const_item_mutation if const's type has Drop impl) - #77264 (Only use LOCAL_{STDOUT,STDERR} when set_{print/panic} is used. ) - #77421 (Revert "resolve: Avoid "self-confirming" import resolutions in one more case") - #77452 (Permit ty::Bool in const generics for v0 mangling) Failed merges: r? `@ghost`
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| use core::num::Wrapping; | ||
|
|
||
| macro_rules! wrapping_operation { | ||
| ($result:expr, $lhs:ident $op:tt $rhs:expr) => { | ||
| assert_eq!($result, $lhs $op $rhs); | ||
| assert_eq!($result, &$lhs $op $rhs); | ||
| assert_eq!($result, $lhs $op &$rhs); | ||
| assert_eq!($result, &$lhs $op &$rhs); | ||
| }; | ||
| ($result:expr, $op:tt $expr:expr) => { | ||
| assert_eq!($result, $op $expr); | ||
| assert_eq!($result, $op &$expr); | ||
| }; | ||
| } | ||
|
|
||
| macro_rules! wrapping_assignment { | ||
| ($result:expr, $lhs:ident $op:tt $rhs:expr) => { | ||
| let mut lhs1 = $lhs; | ||
| lhs1 $op $rhs; | ||
| assert_eq!($result, lhs1); | ||
|
|
||
| let mut lhs2 = $lhs; | ||
| lhs2 $op &$rhs; | ||
| assert_eq!($result, lhs2); | ||
| }; | ||
| } | ||
|
|
||
| macro_rules! wrapping_test { | ||
| ($type:ty, $min:expr, $max:expr) => { | ||
| #[test] | ||
| fn wrapping_$type() { | ||
| let zero: Wrapping<$type> = Wrapping(0); | ||
| let one: Wrapping<$type> = Wrapping(1); | ||
| let min: Wrapping<$type> = Wrapping($min); | ||
| let max: Wrapping<$type> = Wrapping($max); | ||
|
|
||
| wrapping_operation!(min, max + one); | ||
| wrapping_assignment!(min, max += one); | ||
| wrapping_operation!(max, min - one); | ||
| wrapping_assignment!(max, min -= one); | ||
| wrapping_operation!(max, max * one); | ||
| wrapping_assignment!(max, max *= one); | ||
| wrapping_operation!(max, max / one); | ||
| wrapping_assignment!(max, max /= one); | ||
| wrapping_operation!(zero, max % one); | ||
| wrapping_assignment!(zero, max %= one); | ||
| wrapping_operation!(zero, zero & max); | ||
| wrapping_assignment!(zero, zero &= max); | ||
| wrapping_operation!(max, zero | max); | ||
| wrapping_assignment!(max, zero |= max); | ||
| wrapping_operation!(zero, max ^ max); | ||
| wrapping_assignment!(zero, max ^= max); | ||
| wrapping_operation!(zero, zero << 1usize); | ||
| wrapping_assignment!(zero, zero <<= 1usize); | ||
| wrapping_operation!(zero, zero >> 1usize); | ||
| wrapping_assignment!(zero, zero >>= 1usize); | ||
| wrapping_operation!(zero, -zero); | ||
| wrapping_operation!(max, !min); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| wrapping_test!(i8, i8::MIN, i8::MAX); | ||
| wrapping_test!(i16, i16::MIN, i16::MAX); | ||
| wrapping_test!(i32, i32::MIN, i32::MAX); | ||
| wrapping_test!(i64, i64::MIN, i64::MAX); | ||
| #[cfg(not(target_os = "emscripten"))] | ||
| wrapping_test!(i128, i128::MIN, i128::MAX); | ||
| wrapping_test!(isize, isize::MIN, isize::MAX); | ||
| wrapping_test!(u8, u8::MIN, u8::MAX); | ||
| wrapping_test!(u16, u16::MIN, u16::MAX); | ||
| wrapping_test!(u32, u32::MIN, u32::MAX); | ||
| wrapping_test!(u64, u64::MIN, u64::MAX); | ||
| #[cfg(not(target_os = "emscripten"))] | ||
| wrapping_test!(u128, u128::MIN, u128::MAX); | ||
| wrapping_test!(usize, usize::MIN, usize::MAX); |
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