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minor: add a test for derive macros in core
| -rw-r--r-- | crates/hir_def/src/macro_expansion_tests/builtin_derive_macro.rs | 20 | ||||
| -rw-r--r-- | crates/hir_expand/src/builtin_derive_macro.rs | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/crates/hir_def/src/macro_expansion_tests/builtin_derive_macro.rs b/crates/hir_def/src/macro_expansion_tests/builtin_derive_macro.rs index 177409dc38..aa50fa6d33 100644 --- a/crates/hir_def/src/macro_expansion_tests/builtin_derive_macro.rs +++ b/crates/hir_def/src/macro_expansion_tests/builtin_derive_macro.rs @@ -21,6 +21,26 @@ impl < > core::marker::Copy for Foo< > {}"##]], } #[test] +fn test_copy_expand_in_core() { + cov_mark::check!(test_copy_expand_in_core); + check( + r#" +#[rustc_builtin_macro] +macro Copy {} +#[derive(Copy)] +struct Foo; +"#, + expect![[r##" +#[rustc_builtin_macro] +macro Copy {} +#[derive(Copy)] +struct Foo; + +impl < > crate ::marker::Copy for Foo< > {}"##]], + ); +} + +#[test] fn test_copy_expand_with_type_params() { check( r#" diff --git a/crates/hir_expand/src/builtin_derive_macro.rs b/crates/hir_expand/src/builtin_derive_macro.rs index d4fcf42dd3..31b99e3c41 100644 --- a/crates/hir_expand/src/builtin_derive_macro.rs +++ b/crates/hir_expand/src/builtin_derive_macro.rs @@ -176,6 +176,7 @@ fn find_builtin_crate(db: &dyn AstDatabase, id: MacroCallId) -> tt::TokenTree { let tt = if cg[krate].dependencies.iter().any(|dep| &*dep.name == "core") { quote! { core } } else { + cov_mark::hit!(test_copy_expand_in_core); quote! { crate } }; |