Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/tests/ui/lint/unreachable_pub.rs b/tests/ui/lint/unreachable_pub.rs
new file mode 100644
index 000000000..a50467ce8
--- /dev/null
+++ b/tests/ui/lint/unreachable_pub.rs
@@ -0,0 +1,66 @@
+// check-pass
+
+#![allow(unused)]
+#![warn(unreachable_pub)]
+
+mod private_mod {
+    // non-leaked `pub` items in private module should be linted
+    pub use std::fmt; //~ WARNING unreachable_pub
+    pub use std::env::{Args}; // braced-use has different item spans than unbraced
+    //~^ WARNING unreachable_pub
+
+    pub struct Hydrogen { //~ WARNING unreachable_pub
+        // `pub` struct fields, too
+        pub neutrons: usize, //~ WARNING unreachable_pub
+        // (... but not more-restricted fields)
+        pub(crate) electrons: usize
+    }
+    impl Hydrogen {
+        // impls, too
+        pub fn count_neutrons(&self) -> usize { self.neutrons } //~ WARNING unreachable_pub
+        pub(crate) fn count_electrons(&self) -> usize { self.electrons }
+    }
+    impl Clone for Hydrogen {
+        fn clone(&self) -> Hydrogen {
+            Hydrogen { neutrons: self.neutrons, electrons: self.electrons }
+        }
+    }
+
+    pub enum Helium {} //~ WARNING unreachable_pub
+    pub union Lithium { c1: usize, c2: u8 } //~ WARNING unreachable_pub
+    pub fn beryllium() {} //~ WARNING unreachable_pub
+    pub trait Boron {} //~ WARNING unreachable_pub
+    pub const CARBON: usize = 1; //~ WARNING unreachable_pub
+    pub static NITROGEN: usize = 2; //~ WARNING unreachable_pub
+    pub type Oxygen = bool; //~ WARNING unreachable_pub
+
+    macro_rules! define_empty_struct_with_visibility {
+        ($visibility: vis, $name: ident) => { $visibility struct $name {} }
+        //~^ WARNING unreachable_pub
+    }
+    define_empty_struct_with_visibility!(pub, Fluorine);
+
+    extern "C" {
+        pub fn catalyze() -> bool; //~ WARNING unreachable_pub
+    }
+
+    // items leaked through signatures (see `get_neon` below) are OK
+    pub struct Neon {}
+
+    // crate-visible items are OK
+    pub(crate) struct Sodium {}
+}
+
+pub mod public_mod {
+    // module is public: these are OK, too
+    pub struct Magnesium {}
+    pub(crate) struct Aluminum {}
+}
+
+pub fn get_neon() -> private_mod::Neon {
+    private_mod::Neon {}
+}
+
+fn main() {
+    let _ = get_neon();
+}