From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- .../ui/lint/unused/lint-unused-extern-crate.rs | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 src/test/ui/lint/unused/lint-unused-extern-crate.rs (limited to 'src/test/ui/lint/unused/lint-unused-extern-crate.rs') diff --git a/src/test/ui/lint/unused/lint-unused-extern-crate.rs b/src/test/ui/lint/unused/lint-unused-extern-crate.rs new file mode 100644 index 000000000..d5e4da526 --- /dev/null +++ b/src/test/ui/lint/unused/lint-unused-extern-crate.rs @@ -0,0 +1,35 @@ +// aux-build:lint_unused_extern_crate.rs +// aux-build:lint_unused_extern_crate2.rs +// aux-build:lint_unused_extern_crate3.rs +// aux-build:lint_unused_extern_crate4.rs +// aux-build:lint_unused_extern_crate5.rs + +#![deny(unused_extern_crates)] +#![allow(unused_variables)] +#![allow(deprecated)] + +extern crate lint_unused_extern_crate5; //~ ERROR: unused extern crate + +pub extern crate lint_unused_extern_crate4; // no error, it is re-exported + +extern crate lint_unused_extern_crate3; // no error, it is used + +extern crate lint_unused_extern_crate2; // no error, the use marks it as used + // even if imported objects aren't used + +extern crate lint_unused_extern_crate as other; // no error, the use * marks it as used + +#[allow(unused_imports)] +use lint_unused_extern_crate2::foo as bar; + +use other::*; + +mod foo { + // Test that this is unused even though an earlier `extern crate` is used. + extern crate lint_unused_extern_crate2; //~ ERROR unused extern crate +} + +fn main() { + lint_unused_extern_crate3::foo(); + let y = foo(); +} -- cgit v1.2.3