tests/ui/fmt/incorrect-separator.rs

   1 // Allows to track issue #75492:
   2 // https://github.com/rust-lang/rust/issues/75492
   3
   4 use std::iter;
   5
   6 fn main() {
   7     format!("A number: {}". iter::once(42).next().unwrap());
   8     //~^ ERROR expected `,`, found `.`
   9
  10     // Other kind of types are also checked:
  11
  12     format!("A number: {}" / iter::once(42).next().unwrap());
  13     //~^ ERROR expected `,`, found `/`
  14
  15     format!("A number: {}"; iter::once(42).next().unwrap());
  16     //~^ ERROR expected `,`, found `;`
  17
  18     // Note: this character is an COMBINING COMMA BELOW unicode char
  19     format!("A number: {}" ̦ iter::once(42).next().unwrap());
  20     //~^ ERROR expected `,`, found `iter`
  21     //~^^ ERROR unknown start of token: \u{326}
  22
  23     // Here recovery is tested.
  24     // If the `compile_error!` is emitted, then the parser is able to recover
  25     // from the incorrect first separator.
  26     format!("{}". compile_error!("fail"));
  27     //~^ ERROR expected `,`, found `.`
  28     //~^^ ERROR fail
  29 }