xref: /llvm-project/clang/unittests/Format/FormatTestProto.cpp (revision 2946cd701067404b99c39fb29dc9c74bd7193eb3)
1 //===- unittest/Format/FormatTestProto.cpp --------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "FormatTestUtils.h"
10 #include "clang/Format/Format.h"
11 #include "llvm/Support/Debug.h"
12 #include "gtest/gtest.h"
13 
14 #define DEBUG_TYPE "format-test"
15 
16 namespace clang {
17 namespace format {
18 
19 class FormatTestProto : public ::testing::Test {
20 protected:
21   static std::string format(llvm::StringRef Code, unsigned Offset,
22                             unsigned Length, const FormatStyle &Style) {
23     LLVM_DEBUG(llvm::errs() << "---\n");
24     LLVM_DEBUG(llvm::errs() << Code << "\n\n");
25     std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
26     tooling::Replacements Replaces = reformat(Style, Code, Ranges);
27     auto Result = applyAllReplacements(Code, Replaces);
28     EXPECT_TRUE(static_cast<bool>(Result));
29     LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
30     return *Result;
31   }
32 
33   static std::string format(llvm::StringRef Code) {
34     FormatStyle Style = getGoogleStyle(FormatStyle::LK_Proto);
35     Style.ColumnLimit = 60; // To make writing tests easier.
36     return format(Code, 0, Code.size(), Style);
37   }
38 
39   static void verifyFormat(llvm::StringRef Code) {
40     EXPECT_EQ(Code.str(), format(Code)) << "Expected code is not stable";
41     EXPECT_EQ(Code.str(), format(test::messUp(Code)));
42   }
43 };
44 
45 TEST_F(FormatTestProto, FormatsMessages) {
46   verifyFormat("message SomeMessage {\n"
47                "  required int32 field1 = 1;\n"
48                "}");
49   verifyFormat("message SomeMessage {\n"
50                "  required .absolute.Reference field1 = 1;\n"
51                "}");
52   verifyFormat("message SomeMessage {\n"
53                "  required int32 field1 = 1;\n"
54                "  optional string field2 = 2 [default = \"2\"]\n"
55                "}");
56 
57   verifyFormat("message SomeMessage {\n"
58                "  optional really.really.long.qualified.type.aaa.aaaaaaa\n"
59                "      fiiiiiiiiiiiiiiiiiiiiiiiiield = 1;\n"
60                "  optional\n"
61                "      really.really.long.qualified.type.aaa.aaaaaaa.aaaaaaaa\n"
62                "          another_fiiiiiiiiiiiiiiiiiiiiield = 2;\n"
63                "}");
64   verifyFormat("message SomeMessage {\n"
65                "  map<string, Project> projects = 1;\n"
66                "  optional map<string, int32> size_projects = 2;\n"
67                "  map<int, really.really.really.long.qualified.type.nameeee>\n"
68                "      projects = 3;\n"
69                "  map<int, really.really.really.really.long.qualified.type\n"
70                "               .nameeee> projects = 4;\n"
71                "  map<int,\n"
72                "      reallyreallyreallyreallyreallyreallyreallylongname>\n"
73                "      projects = 5;\n"
74                "  map<int, Project>\n"
75                "      longlonglonglonglonglonglonglonglonglongonglon = 6;\n"
76                "  map<releleallyreallyreallyreallyreallyreallyreallylongname,\n"
77                "      int> projects = 7;\n"
78                "  map<releleallyreallyreallyreallyreallyreallyreallylongname,\n"
79                "      releleallyreallyreallyreallyreallyreallyreallylongname>\n"
80                "      releleallyreallyreallyreallyreallyreallyreallylongnam =\n"
81                "          8;\n"
82                "  map<relele.llyreal.yreallyr.allyreally.eallyreal\n"
83                "          .sauenirylongname,\n"
84                "      really.really.really.really.long.qualified.type\n"
85                "          .nameeee> projects = 9;\n"
86                "}");
87 }
88 
89 TEST_F(FormatTestProto, KeywordsInOtherLanguages) {
90   verifyFormat("optional string operator = 1;");
91 }
92 
93 TEST_F(FormatTestProto, FormatsEnums) {
94   verifyFormat("enum Type {\n"
95                "  UNKNOWN = 0;\n"
96                "  TYPE_A = 1;\n"
97                "  TYPE_B = 2;\n"
98                "};");
99   verifyFormat("enum Type {\n"
100                "  UNKNOWN = 0 [(some_options) = { a: aa, b: bb }];\n"
101                "};");
102   verifyFormat("enum Type {\n"
103                "  UNKNOWN = 0 [(some_options) = {\n"
104                "    a: aa,  // wrap\n"
105                "    b: bb\n"
106                "  }];\n"
107                "};");
108 }
109 
110 TEST_F(FormatTestProto, UnderstandsReturns) {
111   verifyFormat("rpc Search(SearchRequest) returns (SearchResponse);");
112 }
113 
114 TEST_F(FormatTestProto, MessageFieldAttributes) {
115   verifyFormat("optional string test = 1 [default = \"test\"];");
116   verifyFormat("optional bool a = 1 [default = true, deprecated = true];");
117   verifyFormat("optional LongMessageType long_proto_field = 1 [\n"
118                "  default = REALLY_REALLY_LONG_CONSTANT_VALUE,\n"
119                "  deprecated = true\n"
120                "];");
121   verifyFormat("optional LongMessageType long_proto_field = 1\n"
122                "    [default = REALLY_REALLY_LONG_CONSTANT_VALUE];");
123   verifyFormat("repeated double value = 1\n"
124                "    [(aaaaaaa.aaaaaaaaa) = { aaaaaaaaaaaaaaaaa: AAAAAAAA }];");
125   verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
126                "  aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
127                "  bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
128                "}];");
129   verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
130                "  aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
131                "  bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
132                "}];");
133   verifyFormat("repeated double value = 1 [\n"
134                "  (aaaaaaa.aaaaaaaaa) = {\n"
135                "    aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
136                "    bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
137                "  },\n"
138                "  (bbbbbbb.bbbbbbbbb) = {\n"
139                "    aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
140                "    bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
141                "  }\n"
142                "];");
143   verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
144                "  type: \"AAAAAAAAAA\"\n"
145                "  is: \"AAAAAAAAAA\"\n"
146                "  or: \"BBBBBBBBBB\"\n"
147                "}];");
148   verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
149                "  aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
150                "  bbbbbbb: BBBB,\n"
151                "  bbbb: BBB\n"
152                "}];");
153   verifyFormat("optional AAA aaa = 1 [\n"
154                "  foo = {\n"
155                "    key: 'a'  //\n"
156                "  },\n"
157                "  bar = {\n"
158                "    key: 'a'  //\n"
159                "  }\n"
160                "];");
161   verifyFormat("optional string test = 1 [default = \"test\"\n"
162                "                                    \"test\"];");
163   verifyFormat("optional Aaaaaaaa aaaaaaaa = 12 [\n"
164                "  (aaa) = aaaa,\n"
165                "  (bbbbbbbbbbbbbbbbbbbbbbbbbb) = {\n"
166                "    aaaaaaaaaaaaaaaaa: true,\n"
167                "    aaaaaaaaaaaaaaaa: true\n"
168                "  }\n"
169                "];");
170   verifyFormat("extensions 20 [(proto2.type) = 'Aaaa.bbbb'];");
171   verifyFormat("extensions 20\n"
172                "    [(proto3.type) = 'Aaaa.bbbb', (aaa.Aaa) = 'aaa.bbb'];");
173   verifyFormat("extensions 123 [\n"
174                "  (aaa) = aaaa,\n"
175                "  (bbbbbbbbbbbbbbbbbbbbbbbbbb) = {\n"
176                "    aaaaaaaaaaaaaaaaa: true,\n"
177                "    aaaaaaaaaaaaaaaa: true\n"
178                "  }\n"
179                "];");
180 }
181 
182 TEST_F(FormatTestProto, DoesntWrapFileOptions) {
183   EXPECT_EQ(
184       "option java_package = "
185       "\"some.really.long.package.that.exceeds.the.column.limit\";",
186       format("option    java_package   =    "
187              "\"some.really.long.package.that.exceeds.the.column.limit\";"));
188 }
189 
190 TEST_F(FormatTestProto, FormatsOptions) {
191   verifyFormat("option (MyProto.options) = {\n"
192                "  field_a: OK\n"
193                "  field_b: \"OK\"\n"
194                "  field_c: \"OK\"\n"
195                "  msg_field: { field_d: 123 }\n"
196                "};");
197   verifyFormat("option (MyProto.options) = {\n"
198                "  field_a: OK\n"
199                "  field_b: \"OK\"\n"
200                "  field_c: \"OK\"\n"
201                "  msg_field: { field_d: 123 field_e: OK }\n"
202                "};");
203   verifyFormat("option (MyProto.options) = {\n"
204                "  field_a: OK  // Comment\n"
205                "  field_b: \"OK\"\n"
206                "  field_c: \"OK\"\n"
207                "  msg_field: { field_d: 123 }\n"
208                "};");
209   verifyFormat("option (MyProto.options) = {\n"
210                "  field_c: \"OK\"\n"
211                "  msg_field { field_d: 123 }\n"
212                "};");
213   verifyFormat("option (MyProto.options) = {\n"
214                "  field_a: OK\n"
215                "  field_b { field_c: OK }\n"
216                "  field_d: OKOKOK\n"
217                "  field_e: OK\n"
218                "}");
219 
220   // Support syntax with <> instead of {}.
221   verifyFormat("option (MyProto.options) = {\n"
222                "  field_c: \"OK\",\n"
223                "  msg_field: < field_d: 123 >\n"
224                "  empty: <>\n"
225                "  empty <>\n"
226                "};");
227 
228   verifyFormat("option (MyProto.options) = {\n"
229                "  field_a: OK\n"
230                "  field_b < field_c: OK >\n"
231                "  field_d: OKOKOK\n"
232                "  field_e: OK\n"
233                "}");
234 
235   verifyFormat("option (MyProto.options) = {\n"
236                "  msg_field: <>\n"
237                "  field_c: \"OK\",\n"
238                "  msg_field: < field_d: 123 >\n"
239                "  field_e: OK\n"
240                "  msg_field: < field_d: 12 >\n"
241                "};");
242 
243   verifyFormat("option (MyProto.options) = <\n"
244                "  field_a: OK\n"
245                "  field_b: \"OK\"\n"
246                "  field_c: 1\n"
247                "  field_d: 12.5\n"
248                "  field_e: OK\n"
249                ">;");
250 
251   verifyFormat("option (MyProto.options) = <\n"
252                "  field_a: OK,\n"
253                "  field_b: \"OK\",\n"
254                "  field_c: 1,\n"
255                "  field_d: 12.5,\n"
256                "  field_e: OK,\n"
257                ">;");
258 
259   verifyFormat("option (MyProto.options) = <\n"
260                "  field_a: \"OK\"\n"
261                "  msg_field: { field_b: OK }\n"
262                "  field_g: OK\n"
263                "  field_g: OK\n"
264                "  field_g: OK\n"
265                ">;");
266 
267   verifyFormat("option (MyProto.options) = <\n"
268                "  field_a: \"OK\"\n"
269                "  msg_field <\n"
270                "    field_b: OK\n"
271                "    field_c: OK\n"
272                "    field_d: OK\n"
273                "    field_e: OK\n"
274                "    field_f: OK\n"
275                "  >\n"
276                "  field_g: OK\n"
277                ">;");
278 
279   verifyFormat("option (MyProto.options) = <\n"
280                "  field_a: \"OK\"\n"
281                "  msg_field <\n"
282                "    field_b: OK,\n"
283                "    field_c: OK,\n"
284                "    field_d: OK,\n"
285                "    field_e: OK,\n"
286                "    field_f: OK\n"
287                "  >\n"
288                "  field_g: OK\n"
289                ">;");
290 
291   verifyFormat("option (MyProto.options) = <\n"
292                "  field_a: \"OK\"\n"
293                "  msg_field: <\n"
294                "    field_b: OK\n"
295                "    field_c: OK\n"
296                "    field_d: OK\n"
297                "    field_e: OK\n"
298                "    field_f: OK\n"
299                "  >\n"
300                "  field_g: OK\n"
301                ">;");
302 
303   verifyFormat("option (MyProto.options) = <\n"
304                "  field_a: \"OK\"\n"
305                "  msg_field: {\n"
306                "    field_b: OK\n"
307                "    field_c: OK\n"
308                "    field_d: OK\n"
309                "    field_e: OK\n"
310                "    field_f: OK\n"
311                "  }\n"
312                "  field_g: OK\n"
313                ">;");
314 
315   verifyFormat("option (MyProto.options) = <\n"
316                "  field_a: \"OK\"\n"
317                "  msg_field {\n"
318                "    field_b: OK\n"
319                "    field_c: OK\n"
320                "    field_d: OK\n"
321                "    field_e: OK\n"
322                "    field_f: OK\n"
323                "  }\n"
324                "  field_g: OK\n"
325                ">;");
326 
327   verifyFormat("option (MyProto.options) = {\n"
328                "  field_a: \"OK\"\n"
329                "  msg_field <\n"
330                "    field_b: OK\n"
331                "    field_c: OK\n"
332                "    field_d: OK\n"
333                "    field_e: OK\n"
334                "    field_f: OK\n"
335                "  >\n"
336                "  field_g: OK\n"
337                "};");
338 
339   verifyFormat("option (MyProto.options) = {\n"
340                "  field_a: \"OK\"\n"
341                "  msg_field: <\n"
342                "    field_b: OK\n"
343                "    field_c: OK\n"
344                "    field_d: OK\n"
345                "    field_e: OK\n"
346                "    field_f: OK\n"
347                "  >\n"
348                "  field_g: OK\n"
349                "};");
350 
351   verifyFormat("option (MyProto.options) = <\n"
352                "  field_a: \"OK\"\n"
353                "  msg_field {\n"
354                "    field_b: OK\n"
355                "    field_c: OK\n"
356                "    field_d: OK\n"
357                "    msg_field <\n"
358                "      field_A: 1\n"
359                "      field_B: 2\n"
360                "      field_C: 3\n"
361                "      field_D: 4\n"
362                "      field_E: 5\n"
363                "    >\n"
364                "    msg_field < field_A: 1 field_B: 2 field_C: 3 f_D: 4 >\n"
365                "    field_e: OK\n"
366                "    field_f: OK\n"
367                "  }\n"
368                "  field_g: OK\n"
369                ">;");
370 
371   verifyFormat("option (MyProto.options) = <\n"
372                "  data1 < key1: value1 >\n"
373                "  data2 { key2: value2 }\n"
374                ">;");
375 
376   verifyFormat("option (MyProto.options) = <\n"
377                "  app_id: 'com.javax.swing.salsa.latino'\n"
378                "  head_id: 1\n"
379                "  data < key: value >\n"
380                ">;");
381 
382   verifyFormat("option (MyProto.options) = {\n"
383                "  app_id: 'com.javax.swing.salsa.latino'\n"
384                "  head_id: 1\n"
385                "  headheadheadheadheadhead_id: 1\n"
386                "  product_data { product { 1 } }\n"
387                "};");
388 }
389 
390 TEST_F(FormatTestProto, FormatsService) {
391   verifyFormat("service SearchService {\n"
392                "  rpc Search(SearchRequest) returns (SearchResponse) {\n"
393                "    option foo = true;\n"
394                "  }\n"
395                "};");
396 }
397 
398 TEST_F(FormatTestProto, ExtendingMessage) {
399   verifyFormat("extend .foo.Bar {}");
400 }
401 
402 TEST_F(FormatTestProto, FormatsImports) {
403   verifyFormat("import \"a.proto\";\n"
404                "import \"b.proto\";\n"
405                "// comment\n"
406                "message A {}");
407 
408   verifyFormat("import public \"a.proto\";\n"
409                "import \"b.proto\";\n"
410                "// comment\n"
411                "message A {}");
412 
413   // Missing semicolons should not confuse clang-format.
414   verifyFormat("import \"a.proto\"\n"
415                "import \"b.proto\"\n"
416                "// comment\n"
417                "message A {}");
418 }
419 
420 TEST_F(FormatTestProto, KeepsLongStringLiteralsOnSameLine) {
421   verifyFormat(
422       "option (MyProto.options) = {\n"
423       "  foo: {\n"
424       "    text: \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasaaaaaaaa\"\n"
425       "  }\n"
426       "}");
427 }
428 
429 TEST_F(FormatTestProto, FormatsOptionsExtensions) {
430   verifyFormat("option (MyProto.options) = {\n"
431                "  msg_field: { field_d: 123 }\n"
432                "  [ext.t/u] { key: value }\n"
433                "  key: value\n"
434                "  [t.u/v] <\n"
435                "    [ext] { key: value }\n"
436                "  >\n"
437                "};");
438 }
439 
440 TEST_F(FormatTestProto, SpacesAroundPercents) {
441   verifyFormat("option (MyProto.options) = {\n"
442                "  key: %lld\n"
443                "  key: 0x%04x\n"
444                "  key: \"%d %d\"\n"
445                "};");
446 }
447 
448 TEST_F(FormatTestProto, FormatsRepeatedListInitializersInOptions) {
449   verifyFormat("option (MyProto.options) = {\n"
450                "  key: item\n"
451                "  keys: [\n"
452                "    'ala',\n"
453                "    'bala',\n"
454                "    'porto',\n"
455                "    'kala',\n"
456                "    'too',\n"
457                "    'long',\n"
458                "    'long',\n"
459                "    'long'\n"
460                "  ]\n"
461                "  key: [ item ]\n"
462                "  msg {\n"
463                "    key: item\n"
464                "    keys: [\n"
465                "      'ala',\n"
466                "      'bala',\n"
467                "      'porto',\n"
468                "      'kala',\n"
469                "      'too',\n"
470                "      'long',\n"
471                "      'long'\n"
472                "    ]\n"
473                "  }\n"
474                "  key: value\n"
475                "};");
476 }
477 
478 TEST_F(FormatTestProto, AcceptsOperatorAsKeyInOptions) {
479   verifyFormat("option (MyProto.options) = {\n"
480                "  bbbbbbbbb: <\n"
481                "    ccccccccccccccccccccccc: <\n"
482                "      operator: 1\n"
483                "      operator: 2\n"
484                "      operator: 3\n"
485                "      operator { key: value }\n"
486                "    >\n"
487                "  >\n"
488                "};");
489 }
490 
491 TEST_F(FormatTestProto, BreaksEntriesOfSubmessagesContainingSubmessages) {
492   FormatStyle Style = getGoogleStyle(FormatStyle::LK_TextProto);
493   Style.ColumnLimit = 60;
494   // The column limit allows for the keys submessage to be put on 1 line, but we
495   // break it since it contains a submessage an another entry.
496   verifyFormat("option (MyProto.options) = {\n"
497                "  key: valueeeeeeee\n"
498                "  keys: {\n"
499                "    item: 'aaaaaaaaaaaaaaaa'\n"
500                "    sub <>\n"
501                "  }\n"
502                "}");
503   verifyFormat("option (MyProto.options) = {\n"
504                "  key: valueeeeeeee\n"
505                "  keys: {\n"
506                "    item: 'aaaaaaaaaaaaaaaa'\n"
507                "    sub {}\n"
508                "  }\n"
509                "}");
510   verifyFormat("option (MyProto.options) = {\n"
511                "  key: valueeeeeeee\n"
512                "  keys: {\n"
513                "    sub {}\n"
514                "    sub: <>\n"
515                "    sub: []\n"
516                "  }\n"
517                "}");
518   verifyFormat("option (MyProto.options) = {\n"
519                "  key: valueeeeeeee\n"
520                "  keys: {\n"
521                "    item: 'aaaaaaaaaaa'\n"
522                "    sub { msg: 1 }\n"
523                "  }\n"
524                "}");
525   verifyFormat("option (MyProto.options) = {\n"
526                "  key: valueeeeeeee\n"
527                "  keys: {\n"
528                "    item: 'aaaaaaaaaaa'\n"
529                "    sub: { msg: 1 }\n"
530                "  }\n"
531                "}");
532   verifyFormat("option (MyProto.options) = {\n"
533                "  key: valueeeeeeee\n"
534                "  keys: {\n"
535                "    item: 'aaaaaaaaaaa'\n"
536                "    sub < msg: 1 >\n"
537                "  }\n"
538                "}");
539   verifyFormat("option (MyProto.options) = {\n"
540                "  key: valueeeeeeee\n"
541                "  keys: {\n"
542                "    item: 'aaaaaaaaaaa'\n"
543                "    sub: [ msg: 1 ]\n"
544                "  }\n"
545                "}");
546   verifyFormat("option (MyProto.options) = {\n"
547                "  key: valueeeeeeee\n"
548                "  keys: <\n"
549                "    item: 'aaaaaaaaaaa'\n"
550                "    sub: [ 1, 2 ]\n"
551                "  >\n"
552                "}");
553   verifyFormat("option (MyProto.options) = {\n"
554                "  key: valueeeeeeee\n"
555                "  keys: {\n"
556                "    sub {}\n"
557                "    item: 'aaaaaaaaaaaaaaaa'\n"
558                "  }\n"
559                "}");
560   verifyFormat("option (MyProto.options) = {\n"
561                "  key: valueeeeeeee\n"
562                "  keys: {\n"
563                "    sub: []\n"
564                "    item: 'aaaaaaaaaaaaaaaa'\n"
565                "  }\n"
566                "}");
567   verifyFormat("option (MyProto.options) = {\n"
568                "  key: valueeeeeeee\n"
569                "  keys: {\n"
570                "    sub <>\n"
571                "    item: 'aaaaaaaaaaaaaaaa'\n"
572                "  }\n"
573                "}");
574   verifyFormat("option (MyProto.options) = {\n"
575                "  key: valueeeeeeee\n"
576                "  keys: {\n"
577                "    sub { key: value }\n"
578                "    item: 'aaaaaaaaaaaaaaaa'\n"
579                "  }\n"
580                "}");
581   verifyFormat("option (MyProto.options) = {\n"
582                "  key: valueeeeeeee\n"
583                "  keys: {\n"
584                "    sub: [ 1, 2 ]\n"
585                "    item: 'aaaaaaaaaaaaaaaa'\n"
586                "  }\n"
587                "}");
588   verifyFormat("option (MyProto.options) = {\n"
589                "  key: valueeeeeeee\n"
590                "  keys: {\n"
591                "    sub < sub_2: {} >\n"
592                "    item: 'aaaaaaaaaaaaaaaa'\n"
593                "  }\n"
594                "}");
595   verifyFormat("option (MyProto.options) = {\n"
596                "  key: valueeeeeeee\n"
597                "  keys: {\n"
598                "    item: data\n"
599                "    sub: [ 1, 2 ]\n"
600                "    item: 'aaaaaaaaaaaaaaaa'\n"
601                "  }\n"
602                "}");
603   verifyFormat("option (MyProto.options) = {\n"
604                "  key: valueeeeeeee\n"
605                "  keys: {\n"
606                "    item: data\n"
607                "    sub < sub_2: {} >\n"
608                "    item: 'aaaaaaaaaaaaaaaa'\n"
609                "  }\n"
610                "}");
611   verifyFormat("option (MyProto.options) = {\n"
612                "  sub: {\n"
613                "    key: valueeeeeeee\n"
614                "    keys: {\n"
615                "      sub: [ 1, 2 ]\n"
616                "      item: 'aaaaaaaaaaaaaaaa'\n"
617                "    }\n"
618                "  }\n"
619                "}");
620 }
621 
622 TEST_F(FormatTestProto, PreventBreaksBetweenKeyAndSubmessages) {
623   verifyFormat("option (MyProto.options) = {\n"
624                "  submessage: {\n"
625                "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
626                "  }\n"
627                "}");
628   verifyFormat("option (MyProto.options) = {\n"
629                "  submessage {\n"
630                "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
631                "  }\n"
632                "}");
633   verifyFormat("option (MyProto.options) = {\n"
634                "  submessage: <\n"
635                "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
636                "  >\n"
637                "}");
638   verifyFormat("option (MyProto.options) = {\n"
639                "  submessage <\n"
640                "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
641                "  >\n"
642                "}");
643   verifyFormat("option (MyProto.options) = {\n"
644                "  repeatedd: [\n"
645                "    'eyaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
646                "  ]\n"
647                "}");
648 }
649 
650 
651 } // end namespace tooling
652 } // end namespace clang
653