45 lines
1.3 KiB
Rust
45 lines
1.3 KiB
Rust
use std::{mem, panic};
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use quickcheck::TestResult;
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macro_rules! absv_i2 {
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($intrinsic:ident: $ty:ident) => {
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#[test]
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fn $intrinsic() {
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assert!(panic::catch_unwind(|| ::$intrinsic(::std::$ty::MIN)).is_err());
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assert_eq!(::$intrinsic(::std::$ty::MIN + 1), ::std::$ty::MAX);
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assert_eq!(::$intrinsic(::std::$ty::MIN + 2), ::std::$ty::MAX - 1);
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assert_eq!(::$intrinsic(-1), 1);
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assert_eq!(::$intrinsic(-2), 2);
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assert_eq!(::$intrinsic(0), 0);
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assert_eq!(::$intrinsic(1), 1);
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assert_eq!(::$intrinsic(2), 2);
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assert_eq!(::$intrinsic(2), 2);
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assert_eq!(::$intrinsic(::std::$ty::MAX - 1), ::std::$ty::MAX - 1);
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assert_eq!(::$intrinsic(::std::$ty::MAX), ::std::$ty::MAX);
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}
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}
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}
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absv_i2!(__absvsi2: i32);
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absv_i2!(__absvdi2: i64);
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// TODO(rust-lang/35118)?
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// absv_i2!(__absvti2: i128);
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quickcheck! {
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fn udivmoddi4(a: (u32, u32), b: (u32, u32)) -> TestResult {
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let (a, b) = unsafe {
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(mem::transmute(a), mem::transmute(b))
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};
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if b == 0 {
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TestResult::discard()
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} else {
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let mut r = 0;
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let q = ::__udivmoddi4(a, b, &mut r);
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TestResult::from_bool(q * b + r == a)
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}
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}
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}
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