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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/lint/unused/unused-macro-rules-compile-error.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lint/unused/unused-macro-rules-compile-error.rs')
-rw-r--r-- | tests/ui/lint/unused/unused-macro-rules-compile-error.rs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/ui/lint/unused/unused-macro-rules-compile-error.rs b/tests/ui/lint/unused/unused-macro-rules-compile-error.rs new file mode 100644 index 000000000..4d51db89b --- /dev/null +++ b/tests/ui/lint/unused/unused-macro-rules-compile-error.rs @@ -0,0 +1,27 @@ +#![deny(unused_macro_rules)] +// To make sure we are not hitting this +#![deny(unused_macros)] + +macro_rules! num { + (one) => { 1 }; + // Most simple (and common) case + (two) => { compile_error!("foo"); }; + // Some nested use + (two_) => { foo(compile_error!("foo")); }; + (three) => { 3 }; + (four) => { 4 }; //~ ERROR: rule of macro +} +const _NUM: u8 = num!(one) + num!(three); + +// compile_error not used as a macro invocation +macro_rules! num2 { + (one) => { 1 }; + // Only identifier present + (two) => { fn compile_error() {} }; //~ ERROR: rule of macro + // Only identifier and bang present + (two_) => { compile_error! }; //~ ERROR: rule of macro + (three) => { 3 }; +} +const _NUM2: u8 = num2!(one) + num2!(three); + +fn main() {} |