rust/tests/ui/print_with_newline.rs

53 lines
1.1 KiB
Rust

// FIXME: Ideally these suggestions would be fixed via rustfix. Blocked by rust-lang/rust#53934
// // run-rustfix
#![allow(clippy::print_literal)]
#![warn(clippy::print_with_newline)]
fn main() {
print!("Hello\n");
print!("Hello {}\n", "world");
print!("Hello {} {}\n", "world", "#2");
print!("{}\n", 1265);
print!("\n");
// these are all fine
print!("");
print!("Hello");
println!("Hello");
println!("Hello\n");
println!("Hello {}\n", "world");
print!("Issue\n{}", 1265);
print!("{}", 1265);
print!("\n{}", 1275);
print!("\n\n");
print!("like eof\n\n");
print!("Hello {} {}\n\n", "world", "#2");
println!("\ndon't\nwarn\nfor\nmultiple\nnewlines\n"); // #3126
println!("\nbla\n\n"); // #3126
// Escaping
print!("\\n"); // #3514
print!("\\\n"); // should fail
print!("\\\\n");
// Raw strings
print!(r"\n"); // #3778
// Literal newlines should also fail
print!(
"
"
);
print!(
r"
"
);
// Don't warn on CRLF (#4208)
print!("\r\n");
print!("foo\r\n");
print!("\\r\n"); //~ ERROR
print!("foo\rbar\n") // ~ ERROR
}