| // Copyright 2013 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. |
| |
| fn main() { |
| // bad arguments to the format! call |
| |
| format!("{}"); //~ ERROR: invalid reference to argument |
| |
| format!("{1}", 1); //~ ERROR: invalid reference to argument `1` |
| //~^ ERROR: argument never used |
| format!("{foo}"); //~ ERROR: no argument named `foo` |
| |
| format!("{}", 1, 2); //~ ERROR: argument never used |
| format!("{1}", 1, 2); //~ ERROR: argument never used |
| format!("{}", 1, foo=2); //~ ERROR: named argument never used |
| format!("{foo}", 1, foo=2); //~ ERROR: argument never used |
| format!("", foo=2); //~ ERROR: named argument never used |
| |
| format!("{foo}", foo=1, foo=2); //~ ERROR: duplicate argument |
| format!("", foo=1, 2); //~ ERROR: positional arguments cannot follow |
| |
| // bad number of arguments, see #15780 |
| |
| format!("{0}"); |
| //~^ ERROR invalid reference to argument `0` (no arguments given) |
| |
| format!("{0} {1}", 1); |
| //~^ ERROR invalid reference to argument `1` (there is 1 argument) |
| |
| format!("{0} {1} {2}", 1, 2); |
| //~^ ERROR invalid reference to argument `2` (there are 2 arguments) |
| |
| format!("{0} {1}"); |
| //~^ ERROR invalid reference to argument `0` (no arguments given) |
| //~^^ ERROR invalid reference to argument `1` (no arguments given) |
| |
| // bad syntax of the format string |
| |
| format!("{"); //~ ERROR: expected `'}'` but string was terminated |
| |
| format!("foo } bar"); //~ ERROR: unmatched `}` found |
| format!("foo }"); //~ ERROR: unmatched `}` found |
| } |
