test: Assert CRLF line endings on Windows

src/lib.rs

@@ -1038,9 +1038,14 @@ mod unit_tests {
     #[test]
     fn test_format_snippet() {
         let snippet = "fn main() { println!(\"hello, world\"); }";
+        #[cfg(not(windows))]
         let expected = "fn main() {\n    \
                         println!(\"hello, world\");\n\
                         }\n";
+        #[cfg(windows)]
+        let expected = "fn main() {\r\n    \
+                        println!(\"hello, world\");\r\n\
+                        }\r\n";
         assert!(test_format_inner(format_snippet, snippet, expected));
     }
 

src/test/mod.rs

@@ -247,7 +247,10 @@ fn stdin_formatting_smoke_test() {
     let (error_summary, _) = format_input(input, &config, Some(&mut buf)).unwrap();
     assert!(error_summary.has_no_errors());
     //eprintln!("{:?}", );
+    #[cfg(not(windows))]
     assert_eq!(buf, "fn main() {}\n".as_bytes());
+    #[cfg(windows)]
+    assert_eq!(buf, "fn main() {}\r\n".as_bytes());
 }
 
 // FIXME(#1990) restore this test