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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/tools/clippy/tests/ui/empty_loop.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/clippy/tests/ui/empty_loop.rs')
-rw-r--r-- | src/tools/clippy/tests/ui/empty_loop.rs | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/empty_loop.rs b/src/tools/clippy/tests/ui/empty_loop.rs new file mode 100644 index 000000000..8fd7697eb --- /dev/null +++ b/src/tools/clippy/tests/ui/empty_loop.rs @@ -0,0 +1,51 @@ +// aux-build:macro_rules.rs + +#![warn(clippy::empty_loop)] + +#[macro_use] +extern crate macro_rules; + +fn should_trigger() { + loop {} + loop { + loop {} + } + + 'outer: loop { + 'inner: loop {} + } +} + +fn should_not_trigger() { + loop { + panic!("This is fine") + } + let ten_millis = std::time::Duration::from_millis(10); + loop { + std::thread::sleep(ten_millis) + } + + #[allow(clippy::never_loop)] + 'outer: loop { + 'inner: loop { + break 'inner; + } + break 'outer; + } + + // Make sure `allow` works for this lint + #[allow(clippy::empty_loop)] + loop {} + + // We don't lint loops inside macros + macro_rules! foo { + () => { + loop {} + }; + } + + // We don't lint external macros + foofoo!() +} + +fn main() {} |