From c6477eb71188311f01f409da628fab7062697bd7 Mon Sep 17 00:00:00 2001
From: Samuel Moelius <sam@moeli.us>
Date: Wed, 12 Oct 2022 04:14:42 -0400
Subject: [PATCH] Add tests

---
 tests/ui/needless_borrow.fixed | 13 ++++++++++++-
 tests/ui/needless_borrow.rs    | 13 ++++++++++++-
 tests/ui/redundant_clone.fixed |  6 ++++++
 tests/ui/redundant_clone.rs    |  6 ++++++
 4 files changed, 36 insertions(+), 2 deletions(-)

diff --git a/tests/ui/needless_borrow.fixed b/tests/ui/needless_borrow.fixed
index 4cb7f6b68..e970f87e2 100644
--- a/tests/ui/needless_borrow.fixed
+++ b/tests/ui/needless_borrow.fixed
@@ -1,5 +1,5 @@
 // run-rustfix
-#![feature(lint_reasons)]
+#![feature(custom_inner_attributes, lint_reasons, rustc_private)]
 #![allow(
     unused,
     clippy::uninlined_format_args,
@@ -491,3 +491,14 @@ mod issue_9782_method_variant {
         S.foo::<&[u8; 100]>(&a);
     }
 }
+
+extern crate rustc_lint;
+extern crate rustc_span;
+
+#[allow(dead_code)]
+mod span_lint {
+    use rustc_lint::{LateContext, Lint, LintContext};
+    fn foo(cx: &LateContext<'_>, lint: &'static Lint) {
+        cx.struct_span_lint(lint, rustc_span::Span::default(), "", |diag| diag.note(&String::new()));
+    }
+}
diff --git a/tests/ui/needless_borrow.rs b/tests/ui/needless_borrow.rs
index 9a01190ed..55c2738fc 100644
--- a/tests/ui/needless_borrow.rs
+++ b/tests/ui/needless_borrow.rs
@@ -1,5 +1,5 @@
 // run-rustfix
-#![feature(lint_reasons)]
+#![feature(custom_inner_attributes, lint_reasons, rustc_private)]
 #![allow(
     unused,
     clippy::uninlined_format_args,
@@ -491,3 +491,14 @@ mod issue_9782_method_variant {
         S.foo::<&[u8; 100]>(&a);
     }
 }
+
+extern crate rustc_lint;
+extern crate rustc_span;
+
+#[allow(dead_code)]
+mod span_lint {
+    use rustc_lint::{LateContext, Lint, LintContext};
+    fn foo(cx: &LateContext<'_>, lint: &'static Lint) {
+        cx.struct_span_lint(lint, rustc_span::Span::default(), "", |diag| diag.note(&String::new()));
+    }
+}
diff --git a/tests/ui/redundant_clone.fixed b/tests/ui/redundant_clone.fixed
index 00b427450..369ae3f71 100644
--- a/tests/ui/redundant_clone.fixed
+++ b/tests/ui/redundant_clone.fixed
@@ -239,3 +239,9 @@ fn false_negative_5707() {
     let _z = x.clone(); // pr 7346 can't lint on `x`
     drop(y);
 }
+
+#[allow(unused, clippy::manual_retain)]
+fn possible_borrower_improvements() {
+    let mut s = String::from("foobar");
+    s = s.chars().filter(|&c| c != 'o').to_owned().collect();
+}
diff --git a/tests/ui/redundant_clone.rs b/tests/ui/redundant_clone.rs
index f899127db..430672e8b 100644
--- a/tests/ui/redundant_clone.rs
+++ b/tests/ui/redundant_clone.rs
@@ -239,3 +239,9 @@ fn false_negative_5707() {
     let _z = x.clone(); // pr 7346 can't lint on `x`
     drop(y);
 }
+
+#[allow(unused, clippy::manual_retain)]
+fn possible_borrower_improvements() {
+    let mut s = String::from("foobar");
+    s = s.chars().filter(|&c| c != 'o').to_owned().collect();
+}