Auto merge of #9684 - kraktus:ref_option_ref, r=xFrednet

[rust.git] / tests / ui / explicit_write.rs

diff --git a/tests/ui/explicit_write.rs b/tests/ui/explicit_write.rs
index 2a748d25724644f1a6a104a50ba27dfbeb76aee5..41d7c2255738c79f8b380cbbfb928e9e085961c1 100644 (file)
--- a/tests/ui/explicit_write.rs
+++ b/tests/ui/explicit_write.rs
@@ -1,17 +1,7 @@
-// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-
-#![feature(tool_lints)]
-
+// run-rustfix
 #![warn(clippy::explicit_write)]
-
+#![allow(unused_imports)]
+#![allow(clippy::uninlined_format_args)]
 
 fn stdout() -> String {
     String::new()
@@ -21,6 +11,12 @@ fn stderr() -> String {
     String::new()
 }
 
+macro_rules! one {
+    () => {
+        1
+    };
+}
+
 fn main() {
     // these should warn
     {
@@ -31,6 +27,18 @@ fn main() {
         writeln!(std::io::stderr(), "test").unwrap();
         std::io::stdout().write_fmt(format_args!("test")).unwrap();
         std::io::stderr().write_fmt(format_args!("test")).unwrap();
+
+        // including newlines
+        writeln!(std::io::stdout(), "test\ntest").unwrap();
+        writeln!(std::io::stderr(), "test\ntest").unwrap();
+
+        let value = 1;
+        writeln!(std::io::stderr(), "with {}", value).unwrap();
+        writeln!(std::io::stderr(), "with {} {}", 2, value).unwrap();
+        writeln!(std::io::stderr(), "with {value}").unwrap();
+        writeln!(std::io::stderr(), "macro arg {}", one!()).unwrap();
+        let width = 2;
+        writeln!(std::io::stderr(), "{:w$}", value, w = width).unwrap();
     }
     // these should not warn, different destination
     {