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Rollup merge of #76745 - workingjubilee:move-wrapping-tests, r=matklad

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Move Wrapping<T> ui tests into library

Part of #76268
r? @matklad
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Jonas Schievink 2020-10-03 00:31:08 +02:00 committed by GitHub
commit 389f7cf7d6
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2 changed files with 76 additions and 77 deletions
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76
library/core/tests/num/wrapping.rs Normal file
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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);

77
src/test/ui/wrapping-int-combinations.rs
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// run-pass
use std::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, $max:expr) => {
let zero: Wrapping<$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);
};
}
fn main() {
wrapping_test!(i8, std::i8::MIN, std::i8::MAX);
wrapping_test!(i16, std::i16::MIN, std::i16::MAX);
wrapping_test!(i32, std::i32::MIN, std::i32::MAX);
wrapping_test!(i64, std::i64::MIN, std::i64::MAX);
#[cfg(not(target_os = "emscripten"))]
wrapping_test!(i128, std::i128::MIN, std::i128::MAX);
wrapping_test!(isize, std::isize::MIN, std::isize::MAX);
wrapping_test!(u8, std::u8::MIN, std::u8::MAX);
wrapping_test!(u16, std::u16::MIN, std::u16::MAX);
wrapping_test!(u32, std::u32::MIN, std::u32::MAX);
wrapping_test!(u64, std::u64::MIN, std::u64::MAX);
#[cfg(not(target_os = "emscripten"))]
wrapping_test!(u128, std::u128::MIN, std::u128::MAX);
wrapping_test!(usize, std::usize::MIN, std::usize::MAX);
}