WIP: test: separate file for separate case

Author: ada4a

tests/ui/needless_path_ne2.fixed

@@ -0,0 +1,16 @@
+#![warn(clippy::needless_path_new)]
+
+use std::fs;
+use std::path::Path;
+
+// fn foo() -> Option<&'static Path> {
+//     // Some(...) is `ExprKind::Call`, but we don't consider it
+//     Some(Path::new("foo.txt"))
+// }
+//
+fn main() {
+    // let _: Option<&Path> = Some(Path::new("foo"));
+    fn foo() -> Option<impl AsRef<Path>> {
+        Some("bar.txt") //~ needless_path_new
+    }
+}

tests/ui/needless_path_ne2.rs

@@ -0,0 +1,16 @@
+#![warn(clippy::needless_path_new)]
+
+use std::fs;
+use std::path::Path;
+
+fn foo() -> Option<&'static Path> {
+    // Some(...) is `ExprKind::Call`, but we don't consider it
+    Some(Path::new("foo.txt"))
+}
+
+fn main() {
+    let _: Option<&Path> = Some(Path::new("foo"));
+    fn foo() -> Option<impl AsRef<Path>> {
+        Some(Path::new("bar.txt")) //~ needless_path_new
+    }
+}

tests/ui/needless_path_ne2.stderr

@@ -0,0 +1,11 @@
+error: the expression enclosed in `Path::new` implements `AsRef<Path>`
+  --> tests/ui/needless_path_new_some.rs:14:14
+   |
+LL |         Some(Path::new("bar.txt"))
+   |              ^^^^^^^^^^^^^^^^^^^^ help: remove the enclosing `Path::new`: `"bar.txt"`
+   |
+   = note: `-D clippy::needless-path-new` implied by `-D warnings`
+   = help: to override `-D warnings` add `#[allow(clippy::needless_path_new)]`
+
+error: aborting due to 1 previous error
+