tests/ui/print_with_newline.rs

   1 // FIXME: Ideally these suggestions would be fixed via rustfix. Blocked by rust-lang/rust#53934
   2 // // run-rustfix
   3
   4 #![allow(clippy::print_literal)]
   5 #![warn(clippy::print_with_newline)]
   6
   7 fn main() {
   8     print!("Hello\n");
   9     print!("Hello {}\n", "world");
  10     print!("Hello {} {}\n", "world", "#2");
  11     print!("{}\n", 1265);
  12
  13     // these are all fine
  14     print!("");
  15     print!("Hello");
  16     println!("Hello");
  17     println!("Hello\n");
  18     println!("Hello {}\n", "world");
  19     print!("Issue\n{}", 1265);
  20     print!("{}", 1265);
  21     print!("\n{}", 1275);
  22     print!("\n\n");
  23     print!("like eof\n\n");
  24     print!("Hello {} {}\n\n", "world", "#2");
  25     println!("\ndon't\nwarn\nfor\nmultiple\nnewlines\n"); // #3126
  26     println!("\nbla\n\n"); // #3126
  27
  28     // Escaping
  29     print!("\\n"); // #3514
  30     print!("\\\n"); // should fail
  31     print!("\\\\n");
  32
  33     // Raw strings
  34     print!(r"\n"); // #3778
  35
  36     // Literal newlines should also fail
  37     print!(
  38         "
  39 "
  40     );
  41     print!(
  42         r"
  43 "
  44     );
  45
  46     // Don't warn on CRLF (#4208)
  47     print!("\r\n");
  48     print!("foo\r\n");
  49     print!("\\r\n"); //~ ERROR
  50     print!("foo\rbar\n") // ~ ERROR
  51 }