use crate::{Diagnostic, DiagnosticsContext}; // Diagnostic: unresolved-extern-crate // // This diagnostic is triggered if rust-analyzer is unable to discover referred extern crate. pub(super) fn unresolved_extern_crate( ctx: &DiagnosticsContext<'_>, d: &hir::UnresolvedExternCrate, ) -> Diagnostic { Diagnostic::new( "unresolved-extern-crate", "unresolved extern crate", ctx.sema.diagnostics_display_range(d.decl.clone().map(|it| it.into())).range, ) } #[cfg(test)] mod tests { use crate::tests::check_diagnostics; #[test] fn unresolved_extern_crate() { check_diagnostics( r#" //- /main.rs crate:main deps:core extern crate core; extern crate doesnotexist; //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate //- /lib.rs crate:core "#, ); } #[test] fn extern_crate_self_as() { cov_mark::check!(extern_crate_self_as); check_diagnostics( r#" //- /lib.rs extern crate doesnotexist; //^^^^^^^^^^^^^^^^^^^^^^^^^^ unresolved extern crate // Should not error. extern crate self as foo; struct Foo; use foo::Foo as Bar; "#, ); } }