From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/tools/clippy/tests/ui/explicit_write.fixed | 63 ++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 src/tools/clippy/tests/ui/explicit_write.fixed

(limited to 'src/tools/clippy/tests/ui/explicit_write.fixed')

diff --git a/src/tools/clippy/tests/ui/explicit_write.fixed b/src/tools/clippy/tests/ui/explicit_write.fixed
new file mode 100644
index 000000000..74d0e5290
--- /dev/null
+++ b/src/tools/clippy/tests/ui/explicit_write.fixed
@@ -0,0 +1,63 @@
+// run-rustfix
+#![allow(unused_imports)]
+#![warn(clippy::explicit_write)]
+
+fn stdout() -> String {
+    String::new()
+}
+
+fn stderr() -> String {
+    String::new()
+}
+
+macro_rules! one {
+    () => {
+        1
+    };
+}
+
+fn main() {
+    // these should warn
+    {
+        use std::io::Write;
+        print!("test");
+        eprint!("test");
+        println!("test");
+        eprintln!("test");
+        print!("test");
+        eprint!("test");
+
+        // including newlines
+        println!("test\ntest");
+        eprintln!("test\ntest");
+
+        let value = 1;
+        eprintln!("with {}", value);
+        eprintln!("with {} {}", 2, value);
+        eprintln!("with {value}");
+        eprintln!("macro arg {}", one!());
+    }
+    // these should not warn, different destination
+    {
+        use std::fmt::Write;
+        let mut s = String::new();
+        write!(s, "test").unwrap();
+        write!(s, "test").unwrap();
+        writeln!(s, "test").unwrap();
+        writeln!(s, "test").unwrap();
+        s.write_fmt(format_args!("test")).unwrap();
+        s.write_fmt(format_args!("test")).unwrap();
+        write!(stdout(), "test").unwrap();
+        write!(stderr(), "test").unwrap();
+        writeln!(stdout(), "test").unwrap();
+        writeln!(stderr(), "test").unwrap();
+        stdout().write_fmt(format_args!("test")).unwrap();
+        stderr().write_fmt(format_args!("test")).unwrap();
+    }
+    // these should not warn, no unwrap
+    {
+        use std::io::Write;
+        std::io::stdout().write_fmt(format_args!("test")).expect("no stdout");
+        std::io::stderr().write_fmt(format_args!("test")).expect("no stderr");
+    }
+}
-- 
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