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 |
48 label
49 { dg-end-multiline-output "" } */
50 #endif
51 }
52
53 void test_many_lines (void)
54 {
55 #if 0
56 x = (first_function_with_a_very_long_name (lorem, ipsum, dolor, sit, amet,
57 consectetur, adipiscing, elit,
58 sed, eiusmod, tempor,
59 incididunt, ut, labore, et,
60 dolore, magna, aliqua)
61 + second_function_with_a_very_long_name (lorem, ipsum, dolor, sit, /* { dg-warning "test" } */
62 amet, consectetur,
63 adipiscing, elit, sed,
64 eiusmod, tempor, incididunt,
65 ut, labore, et, dolore,
66 magna, aliqua));
67
68 /* { dg-begin-multiline-output "" }
69 x = (first_function_with_a_very_long_name (lorem, ipsum, dolor, sit, amet,
70 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
71 |
72 label 1
73 consectetur, adipiscing, elit,
74 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
75 sed, eiusmod, tempor,
76 ~~~~~~~~~~~~~~~~~~~~~
77 incididunt, ut, labore, et,
78 ~~~~~~~~~~~~~~~~~~~~~~~~~~~
79 dolore, magna, aliqua)
80 ~~~~~~~~~~~~~~~~~~~~~~
81 + second_function_with_a_very_long_name (lorem, ipsum, dolor, sit,
82 ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
83 | |
84 | label 2
85 label 0
86 amet, consectetur,
87 ~~~~~~~~~~~~~~~~~~
88 adipiscing, elit, sed,
89 ~~~~~~~~~~~~~~~~~~~~~~
90 eiusmod, tempor, incididunt,
91 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
92 ut, labore, et, dolore,
93 ~~~~~~~~~~~~~~~~~~~~~~~
94 magna, aliqua));
95 ~~~~~~~~~~~~~~
96 { dg-end-multiline-output "" } */
97 #endif
98 }
99
100 void test_richloc_from_proper_range (void)
101 {
102 #if 0
103 float f = 98.6f; /* { dg-warning "test" } */
104 /* { dg-begin-multiline-output "" }
105 float f = 98.6f;
106 ^~~~~
107 { dg-end-multiline-output "" } */
108 #endif
109 }
110
111 void test_caret_within_proper_range (void)
112 {
113 #if 0
114 float f = foo * bar; /* { dg-warning "17: test" } */
115 /* { dg-begin-multiline-output "" }
116 float f = foo * bar;
117 ~~~~^~~~~
118 { dg-end-multiline-output "" } */
119 #endif
120 }
121
122 void test_very_wide_line (void)
123 {
124 #if 0
125 float x = foo * bar; /* { dg-warning "95: test" } */
126 /* { dg-begin-multiline-output "" }
127 0 0 0 0 0 0 1
128 4 5 6 7 8 9 0
129 6789012345678901234567890123456789012345678901234567890123456789012345
130 x = foo * bar;
131 ~ ~~~~^~~~~
132 | |
133 label 1 label 0
134 bar * foo
135 { dg-end-multiline-output "" } */
136 #endif
137 }
138
139 void test_very_wide_line_2 (void)
140 {
141 #if 0
142 float x = foo * bar; /* { dg-warning "95: test" } */
143 /* { dg-begin-multiline-output "" }
144 0 0 0 0 0 0 1
145 4 5 6 7 8 9 0
146 6789012345678901234567890123456789012345678901234567890123456789012345
147 = foo * bar;
148 ~~~~^~~~~
149 |
150 label 0
151 bar * foo
152 { dg-end-multiline-output "" } */
153 #endif
154 }
155
156 void test_multiple_carets (void)
157 {
158 #if 0
159 x = x + y /* { dg-warning "8: test" } */
160 /* { dg-begin-multiline-output "" }
161 x = x + y
162 A B
163 { dg-end-multiline-output "" } */
164 #endif
165 }
166
167 void test_caret_on_leading_whitespace (void)
168 {
169 #if 0
170 ASSOCIATE (y => x)
171 y = 5 /* { dg-warning "6: test" } */
172 /* { dg-begin-multiline-output "" }
173 ASSOCIATE (y => x)
174 2
175 y = 5
176 1
177 { dg-end-multiline-output "" } */
178 #endif
179 }
180
181 /* Unit test for rendering of insertion fixit hints
182 (example taken from PR 62316). */
183
184 void test_fixit_insert (void)
185 {
186 #if 0
187 int a[2][2] = { 0, 1 , 2, 3 }; /* { dg-warning "insertion hints" } */
188 /* { dg-begin-multiline-output "" }
189 int a[2][2] = { 0, 1 , 2, 3 };
190 ^~~~
191 { }
192 { dg-end-multiline-output "" } */
193 #endif
194 }
195
196 /* Unit test for rendering of "remove" fixit hints. */
197
198 void test_fixit_remove (void)
199 {
200 #if 0
201 int a;; /* { dg-warning "example of a removal hint" } */
202 /* { dg-begin-multiline-output "" }
203 int a;;
204 ^
205 -
206 { dg-end-multiline-output "" } */
207 #endif
208 }
209
210 /* Unit test for rendering of "replace" fixit hints. */
211
212 void test_fixit_replace (void)
213 {
214 #if 0
215 gtk_widget_showall (dlg); /* { dg-warning "example of a replacement hint" } */
216 /* { dg-begin-multiline-output "" }
217 gtk_widget_showall (dlg);
218 ^~~~~~~~~~~~~~~~~~
219 gtk_widget_show_all
220 { dg-end-multiline-output "" } */
221 #endif
222 }
223
224 /* Test of "%q+D" format code. */
225
226 int test_percent_q_plus_d (void)
227 {
228 int local = 0; /* { dg-warning "example of plus in format code" } */
229 /* { dg-begin-multiline-output "" }
230 int local = 0;
231 ^~~~~
232 { dg-end-multiline-output "" } */
233 return local;
234 }
235
236 /* Test of many nested locations and fixits. */
237
238 void test_many_nested_locations (void)
239 {
240 /* { dg-warning "test of 70 locations" }
241 Lorem ipsum dolor sit amet, consectetur adipiscing elit,
242 sed do eiusmod tempor incididunt ut labore et dolore magna
243 aliqua. Ut enim ad minim veniam, quis nostrud exercitation
244 ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
245 aute irure dolor in reprehenderit in voluptate velit esse cillum
246 dolore eu fugiat nulla pariatur. Excepteur sint occaecat
247 cupidatat non proident, sunt in culpa qui officia deserunt
248 mollit anim id est laborum.
249 */
250 /* { dg-begin-multiline-output "" }
251 /*
252 ^
253 Lorem ipsum dolor sit amet, consectetur adipiscing elit,
254 ^~~~~ ^~~~~ ^~~~~ ^~~ ^~~~ ^~~~~~~~~~~ ^~~~~~~~~~ ^~~~
255 | | | | | | | |
256 | | | | label label label label
257 label label label label
258 LOREM IPSUM DOLOR SIT AMET CONSECTETUR ADIPISCING ELIT
259 sed do eiusmod tempor incididunt ut labore et dolore magna
260 ^~~ ^~ ^~~~~~~ ^~~~~~ ^~~~~~~~~~ ^~ ^~~~~~ ^~ ^~~~~~ ^~~~~
261 | | | | | | | | | |
262 | | | | | | | | label label
263 | | | | | | label label
264 | | label label label label
265 | label
266 label
267 SED DO EIUSMOD TEMPOR INCIDIDUNT UT LABORE ET DOLORE MAGNA
268 aliqua. Ut enim ad minim veniam, quis nostrud exercitation
269 ^~~~~~ ^~ ^~~~ ^~ ^~~~~ ^~~~~~ ^~~~ ^~~~~~~ ^~~~~~~~~~~~
270 | | | | | | | | |
271 | | | | | | | label label
272 | | | | label label label
273 | | | label
274 | | label
275 label label
276 ALIQUA UT ENIM AD MINIM VENIAM QUIS NOSTRUD EXERCITATION
277 ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis
278 ^~~~~~~ ^~~~~~~ ^~~~ ^~ ^~~~~~~ ^~ ^~ ^~~~~~~ ^~~~~~~~~ ^~~~
279 | | | | | | | | | |
280 | | | | | | | label label label
281 | | | | | | label
282 | | | | label label
283 | | | label
284 label label label
285 ULLAMCO LABORIS NISI UT ALIQUIP EX EA COMMODO CONSEQUAT DUIS
286 aute irure dolor in reprehenderit in voluptate velit esse cillum
287 ^~~~ ^~~~~ ^~~~~ ^~ ^~~~~~~~~~~~~ ^~ ^~~~~~~~~ ^~~~~ ^~~~ ^~~~~~
288 | | | | | | | | | |
289 | | | | | | | | | label
290 | | | | | | label label label
291 | | | | label label
292 | label label label
293 label
294 AUTE IRURE DOLOR IN REPREHENDERIT IN VOLUPTATE VELIT ESSE CILLUM
295 dolore eu fugiat nulla pariatur. Excepteur sint occaecat
296 ^~~~~~ ^~ ^~~~~~ ^~~~~ ^~~~~~~~ ^~~~~~~~~ ^~~~ ^~~~~~~~
297 | | | | | | | |
298 | | | | | | | label
299 | | label label label label label
300 label label
301 DOLORE EU FUGIAT NULLA PARIATUR EXCEPTEUR SINT OCCAECAT
302 cupidatat non proident, sunt in culpa qui officia deserunt
303 ^~~~~~~~~ ^~~ ^~~~~~~~ ^~~~ ^~ ^~~~~ ^~~ ^~~~~~~ ^~~~~~~~
304 | | | | | | | | |
305 | | | | | | | label label
306 | | | | | label label
307 | | | | label
308 | | label label
309 label label
310 CUPIDATAT NON PROIDENT SUNT IN CULPA QUI OFFICIA DESERUNT
311 mollit anim id est laborum.
312 ^~~~~~ ^~~~ ^~ ^~~ ^~~~~~~
313 | | | | |
314 | | | | label
315 | | | label
316 | | label
317 label label
318 MOLLIT ANIM ID EST LABORUM
319 { dg-end-multiline-output "" } */
320 }
321
322 /* Unit test for rendering of fix-it hints that add new lines. */
323
324 void test_fixit_insert_newline (void)
325 {
326 #if 0
327 switch (op)
328 {
329 case 'a':
330 x = a;
331 case 'b': /* { dg-warning "newline insertion" } */
332 x = b;
333 }
334 /* { dg-begin-multiline-output "" }
335 x = a;
336 + break;
337 case 'b':
338 ^~~~~~~~
339 { dg-end-multiline-output "" } */
340 #endif
341 }
342
343 /* Unit test for mutually-exclusive suggestions. */
344
345 void test_mutually_exclusive_suggestions (void)
346 {
347 #if 0
348 original; /* { dg-warning "warning 1" } */
349 /* { dg-warning "warning 2" "" { target *-*-* } .-1 } */
350 /* { dg-begin-multiline-output "" }
351 original;
352 ^~~~~~~~
353 replacement_1
354 { dg-end-multiline-output "" } */
355 /* { dg-begin-multiline-output "" }
356 original;
357 ^~~~~~~~
358 replacement_2
359 { dg-end-multiline-output "" } */
360 #endif
361 }