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