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-rw-r--r--tests/ui/rust-2018/remove-extern-crate.fixed39
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/rust-2018/remove-extern-crate.fixed b/tests/ui/rust-2018/remove-extern-crate.fixed
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+// run-rustfix
+// edition:2018
+// check-pass
+// aux-build:remove-extern-crate.rs
+// compile-flags:--extern remove_extern_crate
+
+#![warn(rust_2018_idioms)]
+
+ //~ WARNING unused extern crate
+// Shouldn't suggest changing to `use`, as `another_name`
+// would no longer be added to the prelude which could cause
+// compilation errors for imports that use `another_name` in other
+// modules. See #57672.
+extern crate core as another_name;
+use remove_extern_crate;
+#[macro_use]
+extern crate remove_extern_crate as something_else;
+
+// Shouldn't suggest changing to `use`, as the `alloc`
+// crate is not in the extern prelude - see #54381.
+extern crate alloc;
+
+fn main() {
+ another_name::mem::drop(3);
+ another::foo();
+ remove_extern_crate::foo!();
+ bar!();
+ alloc::vec![5];
+}
+
+mod another {
+ use core; //~ WARNING `extern crate` is not idiomatic
+ use remove_extern_crate;
+
+ pub fn foo() {
+ core::mem::drop(4);
+ remove_extern_crate::foo!();
+ }
+}