rust/src/test/compile-fail/bad-format-args.rs

// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

// error-pattern: requires at least a format string argument
// error-pattern: bad-format-args.rs:19:5: 19:15: note: in this expansion

// error-pattern: expected token: `,`
// error-pattern: bad-format-args.rs:20:5: 20:19: note: in this expansion
// error-pattern: bad-format-args.rs:21:5: 21:22: note: in this expansion

fn main() {
    format!();
    format!("" 1);
    format!("", 1 1);
}