tests/source/expr.rs

   1 // Test expressions
   2
   3 fn foo() -> bool {
   4     let boxed: Box<i32> = box   5;
   5     let referenced = &5 ;
   6
   7     let very_long_variable_name = ( a +  first +   simple + test   );
   8     let very_long_variable_name = (a + first + simple + test + AAAAAAAAAAAAA + BBBBBBBBBBBBBBBBB + b + c);
   9
  10     let is_internalxxxx = self.codemap.span_to_filename(s) == self.codemap.span_to_filename(m.inner);
  11
  12     let some_val = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa * bbbb / (bbbbbb -
  13         function_call(x, *very_long_pointer, y))
  14     + 1000  ;
  15
  16 some_ridiculously_loooooooooooooooooooooong_function(10000 * 30000000000 + 40000 / 1002200000000
  17                                                      - 50000 * sqrt(-1),
  18                                                      trivial_value);
  19     (((((((((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + a +
  20              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaa)))))))))   ;
  21
  22     { for _ in 0..10 {} }
  23
  24     {{{{}}}}
  25
  26      if  1  + 2 > 0  { let result = 5; result } else { 4};
  27
  28     if  let   Some(x)  =  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa {
  29         // Nothing
  30     }
  31
  32     if  let   Some(x)  =  (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}
  33
  34     if let (some_very_large,
  35             tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1
  36         + 2 + 3 {
  37     }
  38
  39     if let (some_very_large,
  40             tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1111 + 2222 {}
  41
  42     if let (some_very_large, tuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuple) = 1
  43  + 2 + 3 {
  44     }
  45
  46     let test = if true { 5 } else { 3 };
  47
  48     if cond() {
  49         something();
  50     } else  if different_cond() {
  51         something_else();
  52     } else {
  53         // Check subformatting
  54         aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
  55     }
  56 }
  57
  58 fn bar() {
  59     let range = (   111111111 + 333333333333333333 + 1111 +   400000000000000000) .. (2222 +  2333333333333333);
  60
  61     let another_range = 5..some_func( a , b /* comment */);
  62
  63     for _  in  1 ..{ call_forever(); }
  64
  65     syntactically_correct(loop { sup( '?'); }, if cond { 0 } else { 1 });
  66
  67     let third = ..10;
  68     let infi_range = ..   ;
  69     let foo = 1..;
  70     let bar = 5 ;
  71     let nonsense = (10 .. 0)..(0..10);
  72
  73     loop{if true {break}}
  74
  75     let x = (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
  76              aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,
  77              a);
  78 }
  79
  80 fn baz() {
  81     unsafe    /*    {}{}{}{{{{}}   */   {
  82         let foo = 1u32;
  83     }
  84
  85     unsafe /* very looooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong comment */ {}
  86
  87     unsafe // So this is a very long comment.
  88            // Multi-line, too.
  89            // Will it still format correctly?
  90     {
  91     }
  92
  93     unsafe {
  94         // Regular unsafe block
  95     }
  96
  97     unsafe {
  98         foo()
  99     }
 100
 101     unsafe {
 102         foo();
 103     }
 104 }
 105
 106 // Test some empty blocks.
 107 fn qux() {
 108     {}
 109     // FIXME this one could be done better.
 110     { /* a block with a comment */ }
 111     {
 112
 113     }
 114     {
 115         // A block with a comment.
 116     }
 117 }
 118
 119 fn issue227() {
 120     {
 121         let handler = box DocumentProgressHandler::new(addr, DocumentProgressTask::DOMContentLoaded);
 122     }
 123 }
 124
 125 fn issue184(source: &str) {
 126     for c in source.chars() {
 127         if index < 'a' {
 128             continue;
 129         }
 130     }
 131 }
 132
 133 fn arrays() {
 134     let x = [0,
 135          1,
 136          2,
 137          3,
 138          4,
 139          5,
 140          6,
 141          7,
 142          8,
 143          9,
 144          0,
 145          1,
 146          2,
 147          3,
 148          4,
 149          5,
 150          6,
 151          7,
 152          8,
 153          9,
 154          0,
 155          7,
 156          8,
 157          9,
 158          0,
 159          1,
 160          2,
 161          3,
 162          4,
 163          5,
 164          6,
 165          7,
 166          8,
 167          9,
 168          0];
 169
 170     let y = [/* comment */ 1, 2 /* post comment */, 3];
 171
 172     let z = [xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx, yyyyyyyyyyyyyyyyyyyyyyyyyyy, zzzzzzzzzzzzzzzzzz, q];
 173
 174     [ 1 +   3, 4 ,  5, 6, 7, 7, fncall::<Vec<_>>(3-1)]
 175 }
 176
 177 fn returns() {
 178     aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa && return;
 179
 180     return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;
 181 }
 182
 183 fn addrof() {
 184     &    mut(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);
 185     &    (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa+bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb);
 186 }
 187
 188 fn casts() {
 189     fn unpack(packed: u32) -> [u16; 2] {
 190         [
 191             (packed >> 16) as u16,
 192             (packed >>  0) as u16,
 193         ]
 194     }
 195
 196     let some_trait_xxx = xxxxxxxxxxx + xxxxxxxxxxxxx
 197         as SomeTraitXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX;
 198     let slightly_longer_trait = yyyyyyyyy + yyyyyyyyyyy as SomeTraitYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY;
 199 }