diff options
Diffstat (limited to 'tests/ui/fmt/format-string-error.rs')
-rw-r--r-- | tests/ui/fmt/format-string-error.rs | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tests/ui/fmt/format-string-error.rs b/tests/ui/fmt/format-string-error.rs new file mode 100644 index 000000000..eae4f3cb5 --- /dev/null +++ b/tests/ui/fmt/format-string-error.rs @@ -0,0 +1,55 @@ +// ignore-tidy-tab + +fn main() { + println!("{"); + //~^ ERROR invalid format string: expected `'}'` but string was terminated + println!("{{}}"); + println!("}"); + //~^ ERROR invalid format string: unmatched `}` found + let _ = format!("{_}", _ = 6usize); + //~^ ERROR invalid format string: invalid argument name `_` + let _ = format!("{a:_}", a = "", _ = 0); + //~^ ERROR invalid format string: invalid argument name `_` + let _ = format!("{a:._$}", a = "", _ = 0); + //~^ ERROR invalid format string: invalid argument name `_` + let _ = format!("{"); + //~^ ERROR invalid format string: expected `'}'` but string was terminated + let _ = format!("}"); + //~^ ERROR invalid format string: unmatched `}` found + let _ = format!("{\\}"); + //~^ ERROR invalid format string: expected `'}'`, found `'\\'` + let _ = format!("\n\n\n{\n\n\n"); + //~^ ERROR invalid format string + let _ = format!(r###" + + + + {"###); + //~^ ERROR invalid format string + let _ = format!(r###" + + + + { + +"###); + //~^ ERROR invalid format string + let _ = format!(r###" + + + + } + +"###); + //~^^^ ERROR invalid format string + let _ = format!(r###" + + + + } + +"###); + //~^^^ ERROR invalid format string: unmatched `}` found + println!("{} {} {}", 1, 2); + //~^ ERROR 3 positional arguments in format string, but there are 2 arguments +} |