gcc/testsuite/gcc.dg/plugin/diagnostic-test-show-locus-bw.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdiagnostics-show-caret" } */
   3
   4 /* This is a collection of unittests for diagnostic_show_locus;
   5    see the overview in diagnostic_plugin_test_show_locus.c.
   6
   7    In particular, note the discussion of why we need a very long line here:
   8 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
   9    and that we can't use macros in this file.  */
  10
  11 void test_simple (void)
  12 {
  13 #if 0
  14   myvar = myvar.x; /* { dg-warning "test" } */
  15
  16 /* { dg-begin-multiline-output "" }
  17    myvar = myvar.x;
  18            ~~~~~^~
  19    { dg-end-multiline-output "" } */
  20 #endif
  21 }
  22
  23 void test_simple_2 (void)
  24 {
  25 #if 0
  26   x = first_function () + second_function ();  /* { dg-warning "test" } */
  27
  28 /* { dg-begin-multiline-output "" }
  29    x = first_function () + second_function ();
  30        ~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
  31    { dg-end-multiline-output "" } */
  32 #endif
  33 }
  34
  35
  36 void test_multiline (void)
  37 {
  38 #if 0
  39   x = (first_function ()
  40        + second_function ()); /* { dg-warning "test" } */
  41
  42 /* { dg-begin-multiline-output "" }
  43    x = (first_function ()
  44         ~~~~~~~~~~~~~~~~~
  45         + second_function ());
  46         ^ ~~~~~~~~~~~~~~~~~~
  47    { dg-end-multiline-output "" } */
  48 #endif
  49 }
  50
  51 void test_many_lines (void)
  52 {
  53 #if 0
  54   x = (first_function_with_a_very_long_name (lorem, ipsum, dolor, sit, amet,
  55                                             consectetur, adipiscing, elit,
  56                                             sed, eiusmod, tempor,
  57                                             incididunt, ut, labore, et,
  58                                             dolore, magna, aliqua)
  59        + second_function_with_a_very_long_name (lorem, ipsum, dolor, sit, /* { dg-warning "test" } */
  60                                                 amet, consectetur,
  61                                                 adipiscing, elit, sed,
  62                                                 eiusmod, tempor, incididunt,
  63                                                 ut, labore, et, dolore,
  64                                                 magna, aliqua));
  65
  66 /* { dg-begin-multiline-output "" }
  67    x = (first_function_with_a_very_long_name (lorem, ipsum, dolor, sit, amet,
  68         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  69                                              consectetur, adipiscing, elit,
  70                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  71                                              sed, eiusmod, tempor,
  72                                              ~~~~~~~~~~~~~~~~~~~~~
  73                                              incididunt, ut, labore, et,
  74                                              ~~~~~~~~~~~~~~~~~~~~~~~~~~~
  75                                              dolore, magna, aliqua)
  76                                              ~~~~~~~~~~~~~~~~~~~~~~
  77         + second_function_with_a_very_long_name (lorem, ipsum, dolor, sit,
  78         ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  79                                                  amet, consectetur,
  80                                                  ~~~~~~~~~~~~~~~~~~
  81                                                  adipiscing, elit, sed,
  82                                                  ~~~~~~~~~~~~~~~~~~~~~~
  83                                                  eiusmod, tempor, incididunt,
  84                                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  85                                                  ut, labore, et, dolore,
  86                                                  ~~~~~~~~~~~~~~~~~~~~~~~
  87                                                  magna, aliqua));
  88                                                  ~~~~~~~~~~~~~~
  89    { dg-end-multiline-output "" } */
  90 #endif
  91 }
  92
  93 void test_richloc_from_proper_range (void)
  94 {
  95 #if 0
  96   float f = 98.6f; /* { dg-warning "test" } */
  97 /* { dg-begin-multiline-output "" }
  98    float f = 98.6f;
  99              ^~~~~
 100    { dg-end-multiline-output "" } */
 101 #endif
 102 }
 103
 104 void test_caret_within_proper_range (void)
 105 {
 106 #if 0
 107   float f = foo * bar; /* { dg-warning "17: test" } */
 108 /* { dg-begin-multiline-output "" }
 109    float f = foo * bar;
 110              ~~~~^~~~~
 111    { dg-end-multiline-output "" } */
 112 #endif
 113 }
 114
 115 void test_very_wide_line (void)
 116 {
 117 #if 0
 118                                                                                 float f = foo * bar; /* { dg-warning "95: test" } */
 119 /* { dg-begin-multiline-output "" }
 120      0         0         0         0         0         0         1
 121      4         5         6         7         8         9         0
 122  6789012345678901234567890123456789012345678901234567890123456789012345
 123                                               float f = foo * bar;
 124                                                         ~~~~^~~~~
 125    { dg-end-multiline-output "" } */
 126 #endif
 127 }
 128
 129 void test_multiple_carets (void)
 130 {
 131 #if 0
 132    x = x + y /* { dg-warning "8: test" } */
 133 /* { dg-begin-multiline-output "" }
 134     x = x + y
 135         A   B
 136    { dg-end-multiline-output "" } */
 137 #endif
 138 }
 139
 140 void test_caret_on_leading_whitespace (void)
 141 {
 142 #if 0
 143     ASSOCIATE (y => x)
 144       y = 5 /* { dg-warning "6: test" } */
 145 /* { dg-begin-multiline-output "" }
 146      ASSOCIATE (y => x)
 147                     2
 148        y = 5
 149       1
 150    { dg-end-multiline-output "" } */
 151 #endif
 152 }
 153
 154 /* Unit test for rendering of insertion fixit hints
 155    (example taken from PR 62316).  */
 156
 157 void test_fixit_insert (void)
 158 {
 159 #if 0
 160    int a[2][2] = { 0, 1 , 2, 3 }; /* { dg-warning "insertion hints" } */
 161 /* { dg-begin-multiline-output "" }
 162     int a[2][2] = { 0, 1 , 2, 3 };
 163                     ^~~~
 164                     {   }
 165    { dg-end-multiline-output "" } */
 166 #endif
 167 }
 168
 169 /* Unit test for rendering of "remove" fixit hints.  */
 170
 171 void test_fixit_remove (void)
 172 {
 173 #if 0
 174   int a;; /* { dg-warning "example of a removal hint" } */
 175 /* { dg-begin-multiline-output "" }
 176    int a;;
 177          ^
 178          -
 179    { dg-end-multiline-output "" } */
 180 #endif
 181 }
 182
 183 /* Unit test for rendering of "replace" fixit hints.  */
 184
 185 void test_fixit_replace (void)
 186 {
 187 #if 0
 188   gtk_widget_showall (dlg); /* { dg-warning "example of a replacement hint" } */
 189 /* { dg-begin-multiline-output "" }
 190    gtk_widget_showall (dlg);
 191    ^~~~~~~~~~~~~~~~~~
 192    gtk_widget_show_all
 193    { dg-end-multiline-output "" } */
 194 #endif
 195 }
 196
 197 /* Test of "%q+D" format code.  */
 198
 199 int test_percent_q_plus_d (void)
 200 {
 201   int local = 0; /* { dg-warning "example of plus in format code" } */
 202 /* { dg-begin-multiline-output "" }
 203    int local = 0;
 204        ^~~~~
 205    { dg-end-multiline-output "" } */
 206   return local;
 207 }
 208
 209 /* Test of many nested locations and fixits.  */
 210
 211 void test_many_nested_locations (void)
 212 {
 213   /* { dg-warning "test of 70 locations" }
 214     Lorem ipsum dolor sit amet, consectetur adipiscing elit,
 215     sed do eiusmod tempor incididunt ut labore et dolore magna
 216     aliqua. Ut enim ad minim veniam, quis nostrud exercitation
 217     ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
 218     aute irure dolor in reprehenderit in voluptate velit esse cillum
 219     dolore eu fugiat nulla pariatur. Excepteur sint occaecat
 220     cupidatat non proident, sunt in culpa qui officia deserunt
 221     mollit anim id est laborum.
 222   */
 223 /* { dg-begin-multiline-output "" }
 224    /*
 225    ^
 226      Lorem ipsum dolor sit amet, consectetur adipiscing elit,
 227      ^~~~~ ^~~~~ ^~~~~ ^~~ ^~~~  ^~~~~~~~~~~ ^~~~~~~~~~ ^~~~
 228      LOREM IPSUM DOLOR SIT AMET  CONSECTETUR ADIPISCING ELIT
 229      sed do eiusmod tempor incididunt ut labore et dolore magna
 230      ^~~ ^~ ^~~~~~~ ^~~~~~ ^~~~~~~~~~ ^~ ^~~~~~ ^~ ^~~~~~ ^~~~~
 231      SED DO EIUSMOD TEMPOR INCIDIDUNT UT LABORE ET DOLORE MAGNA
 232      aliqua. Ut enim ad minim veniam, quis nostrud exercitation
 233      ^~~~~~  ^~ ^~~~ ^~ ^~~~~ ^~~~~~  ^~~~ ^~~~~~~ ^~~~~~~~~~~~
 234      ALIQUA  UT ENIM AD MINIM VENIAM  QUIS NOSTRUD EXERCITATION
 235      ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
 236      ^~~~~~~ ^~~~~~~ ^~~~ ^~ ^~~~~~~ ^~ ^~ ^~~~~~~ ^~~~~~~~~  ^~~~
 237      ULLAMCO LABORIS NISI UT ALIQUIP EX EA COMMODO CONSEQUAT  DUIS
 238      aute irure dolor in reprehenderit in voluptate velit esse cillum
 239      ^~~~ ^~~~~ ^~~~~ ^~ ^~~~~~~~~~~~~ ^~ ^~~~~~~~~ ^~~~~ ^~~~ ^~~~~~
 240      AUTE IRURE DOLOR IN REPREHENDERIT IN VOLUPTATE VELIT ESSE CILLUM
 241      dolore eu fugiat nulla pariatur. Excepteur sint occaecat
 242      ^~~~~~ ^~ ^~~~~~ ^~~~~ ^~~~~~~~  ^~~~~~~~~ ^~~~ ^~~~~~~~
 243      DOLORE EU FUGIAT NULLA PARIATUR  EXCEPTEUR SINT OCCAECAT
 244      cupidatat non proident, sunt in culpa qui officia deserunt
 245      ^~~~~~~~~ ^~~ ^~~~~~~~  ^~~~ ^~ ^~~~~ ^~~ ^~~~~~~ ^~~~~~~~
 246      CUPIDATAT NON PROIDENT  SUNT IN CULPA QUI OFFICIA DESERUNT
 247      mollit anim id est laborum.
 248      ^~~~~~ ^~~~ ^~ ^~~ ^~~~~~~
 249      MOLLIT ANIM ID EST LABORUM
 250    { dg-end-multiline-output "" } */
 251 }
 252
 253 /* Unit test for rendering of fix-it hints that add new lines.  */
 254
 255 void test_fixit_insert_newline (void)
 256 {
 257 #if 0
 258   switch (op)
 259     {
 260     case 'a':
 261       x = a;
 262     case 'b':  /* { dg-warning "newline insertion" } */
 263       x = b;
 264     }
 265 /* { dg-begin-multiline-output "" }
 266 +      break;
 267      case 'b':
 268      ^~~~~~~~
 269    { dg-end-multiline-output "" } */
 270 #endif
 271 }
 272
 273 /* Unit test for mutually-exclusive suggestions.  */
 274
 275 void test_mutually_exclusive_suggestions (void)
 276 {
 277 #if 0
 278   original; /* { dg-warning "warning 1" } */
 279 /* { dg-warning "warning 2" "" { target *-*-* } .-1 } */
 280 /* { dg-begin-multiline-output "" }
 281    original;
 282    ^~~~~~~~
 283    replacement_1
 284    { dg-end-multiline-output "" } */
 285 /* { dg-begin-multiline-output "" }
 286    original;
 287    ^~~~~~~~
 288    replacement_2
 289    { dg-end-multiline-output "" } */
 290 #endif
 291 }