src/test/ui/fmt/format-string-error-2.rs

   1 // ignore-tidy-tab
   2
   3 fn main() {
   4     format!("{
   5     a");
   6     //~^ ERROR invalid format string
   7     format!("{ \
   8
   9     b");
  10     //~^ ERROR invalid format string
  11     format!(r#"{ \
  12
  13     rawc"#);
  14     //~^^^ ERROR invalid format string
  15     format!(r#"{ \n
  16 \n
  17     rawd"#);
  18     //~^^^ ERROR invalid format string
  19     format!("{ \n
  20 \n
  21     e");
  22     //~^ ERROR invalid format string
  23     format!("
  24     {
  25     a");
  26     //~^ ERROR invalid format string
  27     format!("
  28     {
  29     a
  30     ");
  31     //~^^ ERROR invalid format string
  32     format!("  \
  33     { \
  34         \
  35     b");
  36     //~^ ERROR invalid format string
  37     format!("  \
  38     { \
  39         \
  40     b \
  41
  42     ");
  43     //~^^^ ERROR invalid format string
  44     format!(r#"
  45 raw  { \
  46
  47     c"#);
  48     //~^^^ ERROR invalid format string
  49     format!(r#"
  50 raw  { \n
  51 \n
  52     d"#);
  53     //~^^^ ERROR invalid format string
  54     format!("
  55   { \n
  56 \n
  57     e");
  58     //~^ ERROR invalid format string
  59
  60     format!("
  61     {asdf
  62     }
  63     ", asdf=1);
  64     // ok - this is supported
  65     format!("
  66     {
  67     asdf}
  68     ", asdf=1);
  69     //~^^ ERROR invalid format string
  70     println!("\t{}");
  71     //~^ ERROR 1 positional argument in format string
  72
  73     // note: `\x7B` is `{`
  74     println!("\x7B}\u{8} {", 1);
  75     //~^ ERROR invalid format string: expected `'}'` but string was terminated
  76
  77     println!("\x7B}\u8 {", 1);
  78     //~^ ERROR incorrect unicode escape sequence
  79
  80     // note: raw strings don't escape `\xFF` and `\u{FF}` sequences
  81     println!(r#"\x7B}\u{8} {"#, 1);
  82     //~^ ERROR invalid format string: unmatched `}` found
  83
  84     println!(r#"\x7B}\u8 {"#, 1);
  85     //~^ ERROR invalid format string: unmatched `}` found
  86 }