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Without the workaround applied, this test will produce malformed mappings that cause `llvm-cov` to fail. (And if it does emit well-formed mappings, they should be obviously incorrect.)
40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
$DIR/auxiliary/macro_name_span_helper.rs:
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LL| |// edition: 2021
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LL| |
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LL| |#[macro_export]
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LL| |macro_rules! macro_that_defines_a_function {
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LL| | (fn $name:ident () $body:tt) => {
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LL| 1| fn $name () -> () $body
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LL| | }
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LL| |}
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LL| |
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LL| |// Non-executable comment.
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$DIR/macro_name_span.rs:
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LL| |// edition: 2021
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LL| |
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LL| |// Regression test for <https://github.com/rust-lang/rust/issues/117788>.
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LL| |// Under some circumstances, the heuristics that detect macro name spans can
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LL| |// get confused and produce incorrect spans beyond the bounds of the span
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LL| |// being processed.
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LL| |
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LL| |// aux-build: macro_name_span_helper.rs
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LL| |extern crate macro_name_span_helper;
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LL| |
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LL| 1|fn main() {
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LL| 1| affected_function();
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LL| 1|}
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LL| |
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LL| |macro_rules! macro_with_an_unreasonably_and_egregiously_long_name {
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LL| | () => {
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LL| | println!("hello");
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LL| | };
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LL| |}
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LL| |
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LL| |macro_name_span_helper::macro_that_defines_a_function! {
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LL| | fn affected_function() {
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LL| | macro_with_an_unreasonably_and_egregiously_long_name!();
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LL| | }
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LL| |}
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