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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 |
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 |
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs')
| -rw-r--r-- | tests/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs b/tests/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs new file mode 100644 index 00000000000..79d78da3328 --- /dev/null +++ b/tests/ui/numbers-arithmetic/next-power-of-two-overflow-debug.rs @@ -0,0 +1,27 @@ +// run-pass +// compile-flags: -C debug_assertions=yes +// needs-unwind +// ignore-emscripten dies with an LLVM error + +use std::panic; + +fn main() { + macro_rules! overflow_test { + ($t:ident) => ( + let r = panic::catch_unwind(|| { + ($t::MAX).next_power_of_two() + }); + assert!(r.is_err()); + + let r = panic::catch_unwind(|| { + (($t::MAX >> 1) + 2).next_power_of_two() + }); + assert!(r.is_err()); + ) + } + overflow_test!(u8); + overflow_test!(u16); + overflow_test!(u32); + overflow_test!(u64); + overflow_test!(u128); +} |
