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// Companion test to the similarly-named file in run-pass.
// compile-flags: -C debug_assertions=yes
// revisions: std core
#![feature(lang_items)]
#![cfg_attr(core, no_std)]
#[cfg(std)] use std::fmt;
#[cfg(core)] use core::fmt;
#[cfg(core)] #[lang = "eh_personality"] fn eh_personality() {}
#[cfg(core)] #[lang = "eh_catch_typeinfo"] static EH_CATCH_TYPEINFO: u8 = 0;
#[cfg(core)] #[lang = "panic_impl"] fn panic_impl(panic: &core::panic::PanicInfo) -> ! { loop {} }
// (see documentation of the similarly-named test in run-pass)
fn to_format_or_not_to_format() {
let falsum = || false;
// assert!(true, "{}",); // see run-pass
assert_eq!(1, 1, "{}",);
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
assert_ne!(1, 2, "{}",);
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
// debug_assert!(true, "{}",); // see run-pass
debug_assert_eq!(1, 1, "{}",);
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
debug_assert_ne!(1, 2, "{}",);
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
#[cfg(std)] {
eprint!("{}",);
//[std]~^ ERROR no arguments
}
#[cfg(std)] {
eprintln!("{}",);
//[std]~^ ERROR no arguments
}
#[cfg(std)] {
format!("{}",);
//[std]~^ ERROR no arguments
}
format_args!("{}",);
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
// if falsum() { panic!("{}",); } // see run-pass
#[cfg(std)] {
print!("{}",);
//[std]~^ ERROR no arguments
}
#[cfg(std)] {
println!("{}",);
//[std]~^ ERROR no arguments
}
unimplemented!("{}",);
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
// if falsum() { unreachable!("{}",); } // see run-pass
struct S;
impl fmt::Display for S {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}",)?;
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
writeln!(f, "{}",)?;
//[core]~^ ERROR no arguments
//[std]~^^ ERROR no arguments
Ok(())
}
}
}
fn main() {}
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