1 // FIXME: Ideally these suggestions would be fixed via rustfix. Blocked by rust-lang/rust#53934
4 #![allow(clippy::write_literal)]
5 #![warn(clippy::write_with_newline)]
10 let mut v = Vec::new();
13 write!(&mut v, "Hello\n");
14 write!(&mut v, "Hello {}\n", "world");
15 write!(&mut v, "Hello {} {}\n", "world", "#2");
16 write!(&mut v, "{}\n", 1265);
18 // These should be fine
20 write!(&mut v, "Hello");
21 writeln!(&mut v, "Hello");
22 writeln!(&mut v, "Hello\n");
23 writeln!(&mut v, "Hello {}\n", "world");
24 write!(&mut v, "Issue\n{}", 1265);
25 write!(&mut v, "{}", 1265);
26 write!(&mut v, "\n{}", 1275);
27 write!(&mut v, "\n\n");
28 write!(&mut v, "like eof\n\n");
29 write!(&mut v, "Hello {} {}\n\n", "world", "#2");
30 writeln!(&mut v, "\ndon't\nwarn\nfor\nmultiple\nnewlines\n"); // #3126
31 writeln!(&mut v, "\nbla\n\n"); // #3126
34 write!(&mut v, "\\n"); // #3514
35 write!(&mut v, "\\\n"); // should fail
36 write!(&mut v, "\\\\n");
39 write!(&mut v, r"\n"); // #3778
41 // Literal newlines should also fail
53 // Don't warn on CRLF (#4208)
54 write!(&mut v, "\r\n");
55 write!(&mut v, "foo\r\n");
56 write!(&mut v, "\\r\n"); //~ ERROR
57 write!(&mut v, "foo\rbar\n");