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                                                         bar * foo
 126    { dg-end-multiline-output "" } */
 127 #endif
 128 }
 129
 130 void test_multiple_carets (void)
 131 {
 132 #if 0
 133    x = x + y /* { dg-warning "8: test" } */
 134 /* { dg-begin-multiline-output "" }
 135     x = x + y
 136         A   B
 137    { dg-end-multiline-output "" } */
 138 #endif
 139 }
 140
 141 void test_caret_on_leading_whitespace (void)
 142 {
 143 #if 0
 144     ASSOCIATE (y => x)
 145       y = 5 /* { dg-warning "6: test" } */
 146 /* { dg-begin-multiline-output "" }
 147      ASSOCIATE (y => x)
 148                     2
 149        y = 5
 150       1
 151    { dg-end-multiline-output "" } */
 152 #endif
 153 }
 154
 155 /* Unit test for rendering of insertion fixit hints
 156    (example taken from PR 62316).  */
 157
 158 void test_fixit_insert (void)
 159 {
 160 #if 0
 161    int a[2][2] = { 0, 1 , 2, 3 }; /* { dg-warning "insertion hints" } */
 162 /* { dg-begin-multiline-output "" }
 163     int a[2][2] = { 0, 1 , 2, 3 };
 164                     ^~~~
 165                     {   }
 166    { dg-end-multiline-output "" } */
 167 #endif
 168 }
 169
 170 /* Unit test for rendering of "remove" fixit hints.  */
 171
 172 void test_fixit_remove (void)
 173 {
 174 #if 0
 175   int a;; /* { dg-warning "example of a removal hint" } */
 176 /* { dg-begin-multiline-output "" }
 177    int a;;
 178          ^
 179          -
 180    { dg-end-multiline-output "" } */
 181 #endif
 182 }
 183
 184 /* Unit test for rendering of "replace" fixit hints.  */
 185
 186 void test_fixit_replace (void)
 187 {
 188 #if 0
 189   gtk_widget_showall (dlg); /* { dg-warning "example of a replacement hint" } */
 190 /* { dg-begin-multiline-output "" }
 191    gtk_widget_showall (dlg);
 192    ^~~~~~~~~~~~~~~~~~
 193    gtk_widget_show_all
 194    { dg-end-multiline-output "" } */
 195 #endif
 196 }
 197
 198 /* Test of "%q+D" format code.  */
 199
 200 int test_percent_q_plus_d (void)
 201 {
 202   int local = 0; /* { dg-warning "example of plus in format code" } */
 203 /* { dg-begin-multiline-output "" }
 204    int local = 0;
 205        ^~~~~
 206    { dg-end-multiline-output "" } */
 207   return local;
 208 }
 209
 210 /* Test of many nested locations and fixits.  */
 211
 212 void test_many_nested_locations (void)
 213 {
 214   /* { dg-warning "test of 70 locations" }
 215     Lorem ipsum dolor sit amet, consectetur adipiscing elit,
 216     sed do eiusmod tempor incididunt ut labore et dolore magna
 217     aliqua. Ut enim ad minim veniam, quis nostrud exercitation
 218     ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
 219     aute irure dolor in reprehenderit in voluptate velit esse cillum
 220     dolore eu fugiat nulla pariatur. Excepteur sint occaecat
 221     cupidatat non proident, sunt in culpa qui officia deserunt
 222     mollit anim id est laborum.
 223   */
 224 /* { dg-begin-multiline-output "" }
 225    /*
 226    ^
 227      Lorem ipsum dolor sit amet, consectetur adipiscing elit,
 228      ^~~~~ ^~~~~ ^~~~~ ^~~ ^~~~  ^~~~~~~~~~~ ^~~~~~~~~~ ^~~~
 229      LOREM IPSUM DOLOR SIT AMET  CONSECTETUR ADIPISCING ELIT
 230      sed do eiusmod tempor incididunt ut labore et dolore magna
 231      ^~~ ^~ ^~~~~~~ ^~~~~~ ^~~~~~~~~~ ^~ ^~~~~~ ^~ ^~~~~~ ^~~~~
 232      SED DO EIUSMOD TEMPOR INCIDIDUNT UT LABORE ET DOLORE MAGNA
 233      aliqua. Ut enim ad minim veniam, quis nostrud exercitation
 234      ^~~~~~  ^~ ^~~~ ^~ ^~~~~ ^~~~~~  ^~~~ ^~~~~~~ ^~~~~~~~~~~~
 235      ALIQUA  UT ENIM AD MINIM VENIAM  QUIS NOSTRUD EXERCITATION
 236      ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
 237      ^~~~~~~ ^~~~~~~ ^~~~ ^~ ^~~~~~~ ^~ ^~ ^~~~~~~ ^~~~~~~~~  ^~~~
 238      ULLAMCO LABORIS NISI UT ALIQUIP EX EA COMMODO CONSEQUAT  DUIS
 239      aute irure dolor in reprehenderit in voluptate velit esse cillum
 240      ^~~~ ^~~~~ ^~~~~ ^~ ^~~~~~~~~~~~~ ^~ ^~~~~~~~~ ^~~~~ ^~~~ ^~~~~~
 241      AUTE IRURE DOLOR IN REPREHENDERIT IN VOLUPTATE VELIT ESSE CILLUM
 242      dolore eu fugiat nulla pariatur. Excepteur sint occaecat
 243      ^~~~~~ ^~ ^~~~~~ ^~~~~ ^~~~~~~~  ^~~~~~~~~ ^~~~ ^~~~~~~~
 244      DOLORE EU FUGIAT NULLA PARIATUR  EXCEPTEUR SINT OCCAECAT
 245      cupidatat non proident, sunt in culpa qui officia deserunt
 246      ^~~~~~~~~ ^~~ ^~~~~~~~  ^~~~ ^~ ^~~~~ ^~~ ^~~~~~~ ^~~~~~~~
 247      CUPIDATAT NON PROIDENT  SUNT IN CULPA QUI OFFICIA DESERUNT
 248      mollit anim id est laborum.
 249      ^~~~~~ ^~~~ ^~ ^~~ ^~~~~~~
 250      MOLLIT ANIM ID EST LABORUM
 251    { dg-end-multiline-output "" } */
 252 }
 253
 254 /* Unit test for rendering of fix-it hints that add new lines.  */
 255
 256 void test_fixit_insert_newline (void)
 257 {
 258 #if 0
 259   switch (op)
 260     {
 261     case 'a':
 262       x = a;
 263     case 'b':  /* { dg-warning "newline insertion" } */
 264       x = b;
 265     }
 266 /* { dg-begin-multiline-output "" }
 267 +      break;
 268      case 'b':
 269      ^~~~~~~~
 270    { dg-end-multiline-output "" } */
 271 #endif
 272 }
 273
 274 /* Unit test for mutually-exclusive suggestions.  */
 275
 276 void test_mutually_exclusive_suggestions (void)
 277 {
 278 #if 0
 279   original; /* { dg-warning "warning 1" } */
 280 /* { dg-warning "warning 2" "" { target *-*-* } .-1 } */
 281 /* { dg-begin-multiline-output "" }
 282    original;
 283    ^~~~~~~~
 284    replacement_1
 285    { dg-end-multiline-output "" } */
 286 /* { dg-begin-multiline-output "" }
 287    original;
 288    ^~~~~~~~
 289    replacement_2
 290    { dg-end-multiline-output "" } */
 291 #endif
 292 }