Clang Project

clang_source_code/unittests/Format/FormatTestProto.cpp
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
16namespace clang {
17namespace format {
18
19class FormatTestProto : public ::testing::Test {
20protected:
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
45TEST_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
89TEST_F(FormatTestProto, KeywordsInOtherLanguages) {
90  verifyFormat("optional string operator = 1;");
91}
92
93TEST_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
110TEST_F(FormatTestProto, EnumAsFieldName) {
111  verifyFormat("message SomeMessage {\n"
112               "  required int32 enum = 1;\n"
113               "}");
114}
115
116TEST_F(FormatTestProto, UnderstandsReturns) {
117  verifyFormat("rpc Search(SearchRequest) returns (SearchResponse);");
118}
119
120TEST_F(FormatTestProto, MessageFieldAttributes) {
121  verifyFormat("optional string test = 1 [default = \"test\"];");
122  verifyFormat("optional bool a = 1 [default = true, deprecated = true];");
123  verifyFormat("optional LongMessageType long_proto_field = 1 [\n"
124               "  default = REALLY_REALLY_LONG_CONSTANT_VALUE,\n"
125               "  deprecated = true\n"
126               "];");
127  verifyFormat("optional LongMessageType long_proto_field = 1\n"
128               "    [default = REALLY_REALLY_LONG_CONSTANT_VALUE];");
129  verifyFormat("repeated double value = 1\n"
130               "    [(aaaaaaa.aaaaaaaaa) = { aaaaaaaaaaaaaaaaa: AAAAAAAA }];");
131  verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
132               "  aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
133               "  bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
134               "}];");
135  verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
136               "  aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
137               "  bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
138               "}];");
139  verifyFormat("repeated double value = 1 [\n"
140               "  (aaaaaaa.aaaaaaaaa) = {\n"
141               "    aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
142               "    bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
143               "  },\n"
144               "  (bbbbbbb.bbbbbbbbb) = {\n"
145               "    aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
146               "    bbbbbbbbbbbbbbbb: BBBBBBBBBB\n"
147               "  }\n"
148               "];");
149  verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
150               "  type: \"AAAAAAAAAA\"\n"
151               "  is: \"AAAAAAAAAA\"\n"
152               "  or: \"BBBBBBBBBB\"\n"
153               "}];");
154  verifyFormat("repeated double value = 1 [(aaaaaaa.aaaaaaaaa) = {\n"
155               "  aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
156               "  bbbbbbb: BBBB,\n"
157               "  bbbb: BBB\n"
158               "}];");
159  verifyFormat("optional AAA aaa = 1 [\n"
160               "  foo = {\n"
161               "    key: 'a'  //\n"
162               "  },\n"
163               "  bar = {\n"
164               "    key: 'a'  //\n"
165               "  }\n"
166               "];");
167  verifyFormat("optional string test = 1 [default = \"test\"\n"
168               "                                    \"test\"];");
169  verifyFormat("optional Aaaaaaaa aaaaaaaa = 12 [\n"
170               "  (aaa) = aaaa,\n"
171               "  (bbbbbbbbbbbbbbbbbbbbbbbbbb) = {\n"
172               "    aaaaaaaaaaaaaaaaa: true,\n"
173               "    aaaaaaaaaaaaaaaa: true\n"
174               "  }\n"
175               "];");
176  verifyFormat("extensions 20 [(proto2.type) = 'Aaaa.bbbb'];");
177  verifyFormat("extensions 20\n"
178               "    [(proto3.type) = 'Aaaa.bbbb', (aaa.Aaa) = 'aaa.bbb'];");
179  verifyFormat("extensions 123 [\n"
180               "  (aaa) = aaaa,\n"
181               "  (bbbbbbbbbbbbbbbbbbbbbbbbbb) = {\n"
182               "    aaaaaaaaaaaaaaaaa: true,\n"
183               "    aaaaaaaaaaaaaaaa: true\n"
184               "  }\n"
185               "];");
186}
187
188TEST_F(FormatTestProto, DoesntWrapFileOptions) {
189  EXPECT_EQ(
190      "option java_package = "
191      "\"some.really.long.package.that.exceeds.the.column.limit\";",
192      format("option    java_package   =    "
193             "\"some.really.long.package.that.exceeds.the.column.limit\";"));
194}
195
196TEST_F(FormatTestProto, FormatsOptions) {
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 }\n"
202               "};");
203  verifyFormat("option (MyProto.options) = {\n"
204               "  field_a: OK\n"
205               "  field_b: \"OK\"\n"
206               "  field_c: \"OK\"\n"
207               "  msg_field: { field_d: 123 field_e: OK }\n"
208               "};");
209  verifyFormat("option (MyProto.options) = {\n"
210               "  field_a: OK  // Comment\n"
211               "  field_b: \"OK\"\n"
212               "  field_c: \"OK\"\n"
213               "  msg_field: { field_d: 123 }\n"
214               "};");
215  verifyFormat("option (MyProto.options) = {\n"
216               "  field_c: \"OK\"\n"
217               "  msg_field { field_d: 123 }\n"
218               "};");
219  verifyFormat("option (MyProto.options) = {\n"
220               "  field_a: OK\n"
221               "  field_b { field_c: OK }\n"
222               "  field_d: OKOKOK\n"
223               "  field_e: OK\n"
224               "}");
225
226  // Support syntax with <> instead of {}.
227  verifyFormat("option (MyProto.options) = {\n"
228               "  field_c: \"OK\",\n"
229               "  msg_field: < field_d: 123 >\n"
230               "  empty: <>\n"
231               "  empty <>\n"
232               "};");
233
234  verifyFormat("option (MyProto.options) = {\n"
235               "  field_a: OK\n"
236               "  field_b < field_c: OK >\n"
237               "  field_d: OKOKOK\n"
238               "  field_e: OK\n"
239               "}");
240
241  verifyFormat("option (MyProto.options) = {\n"
242               "  msg_field: <>\n"
243               "  field_c: \"OK\",\n"
244               "  msg_field: < field_d: 123 >\n"
245               "  field_e: OK\n"
246               "  msg_field: < field_d: 12 >\n"
247               "};");
248
249  verifyFormat("option (MyProto.options) = <\n"
250               "  field_a: OK\n"
251               "  field_b: \"OK\"\n"
252               "  field_c: 1\n"
253               "  field_d: 12.5\n"
254               "  field_e: OK\n"
255               ">;");
256
257  verifyFormat("option (MyProto.options) = <\n"
258               "  field_a: OK,\n"
259               "  field_b: \"OK\",\n"
260               "  field_c: 1,\n"
261               "  field_d: 12.5,\n"
262               "  field_e: OK,\n"
263               ">;");
264
265  verifyFormat("option (MyProto.options) = <\n"
266               "  field_a: \"OK\"\n"
267               "  msg_field: { field_b: OK }\n"
268               "  field_g: OK\n"
269               "  field_g: OK\n"
270               "  field_g: OK\n"
271               ">;");
272
273  verifyFormat("option (MyProto.options) = <\n"
274               "  field_a: \"OK\"\n"
275               "  msg_field <\n"
276               "    field_b: OK\n"
277               "    field_c: OK\n"
278               "    field_d: OK\n"
279               "    field_e: OK\n"
280               "    field_f: OK\n"
281               "  >\n"
282               "  field_g: OK\n"
283               ">;");
284
285  verifyFormat("option (MyProto.options) = <\n"
286               "  field_a: \"OK\"\n"
287               "  msg_field <\n"
288               "    field_b: OK,\n"
289               "    field_c: OK,\n"
290               "    field_d: OK,\n"
291               "    field_e: OK,\n"
292               "    field_f: OK\n"
293               "  >\n"
294               "  field_g: OK\n"
295               ">;");
296
297  verifyFormat("option (MyProto.options) = <\n"
298               "  field_a: \"OK\"\n"
299               "  msg_field: <\n"
300               "    field_b: OK\n"
301               "    field_c: OK\n"
302               "    field_d: OK\n"
303               "    field_e: OK\n"
304               "    field_f: OK\n"
305               "  >\n"
306               "  field_g: OK\n"
307               ">;");
308
309  verifyFormat("option (MyProto.options) = <\n"
310               "  field_a: \"OK\"\n"
311               "  msg_field: {\n"
312               "    field_b: OK\n"
313               "    field_c: OK\n"
314               "    field_d: OK\n"
315               "    field_e: OK\n"
316               "    field_f: OK\n"
317               "  }\n"
318               "  field_g: OK\n"
319               ">;");
320
321  verifyFormat("option (MyProto.options) = <\n"
322               "  field_a: \"OK\"\n"
323               "  msg_field {\n"
324               "    field_b: OK\n"
325               "    field_c: OK\n"
326               "    field_d: OK\n"
327               "    field_e: OK\n"
328               "    field_f: OK\n"
329               "  }\n"
330               "  field_g: OK\n"
331               ">;");
332
333  verifyFormat("option (MyProto.options) = {\n"
334               "  field_a: \"OK\"\n"
335               "  msg_field <\n"
336               "    field_b: OK\n"
337               "    field_c: OK\n"
338               "    field_d: OK\n"
339               "    field_e: OK\n"
340               "    field_f: OK\n"
341               "  >\n"
342               "  field_g: OK\n"
343               "};");
344
345  verifyFormat("option (MyProto.options) = {\n"
346               "  field_a: \"OK\"\n"
347               "  msg_field: <\n"
348               "    field_b: OK\n"
349               "    field_c: OK\n"
350               "    field_d: OK\n"
351               "    field_e: OK\n"
352               "    field_f: OK\n"
353               "  >\n"
354               "  field_g: OK\n"
355               "};");
356
357  verifyFormat("option (MyProto.options) = <\n"
358               "  field_a: \"OK\"\n"
359               "  msg_field {\n"
360               "    field_b: OK\n"
361               "    field_c: OK\n"
362               "    field_d: OK\n"
363               "    msg_field <\n"
364               "      field_A: 1\n"
365               "      field_B: 2\n"
366               "      field_C: 3\n"
367               "      field_D: 4\n"
368               "      field_E: 5\n"
369               "    >\n"
370               "    msg_field < field_A: 1 field_B: 2 field_C: 3 f_D: 4 >\n"
371               "    field_e: OK\n"
372               "    field_f: OK\n"
373               "  }\n"
374               "  field_g: OK\n"
375               ">;");
376
377  verifyFormat("option (MyProto.options) = <\n"
378               "  data1 < key1: value1 >\n"
379               "  data2 { key2: value2 }\n"
380               ">;");
381
382  verifyFormat("option (MyProto.options) = <\n"
383               "  app_id: 'com.javax.swing.salsa.latino'\n"
384               "  head_id: 1\n"
385               "  data < key: value >\n"
386               ">;");
387
388  verifyFormat("option (MyProto.options) = {\n"
389               "  app_id: 'com.javax.swing.salsa.latino'\n"
390               "  head_id: 1\n"
391               "  headheadheadheadheadhead_id: 1\n"
392               "  product_data { product { 1 } }\n"
393               "};");
394}
395
396TEST_F(FormatTestProto, FormatsService) {
397  verifyFormat("service SearchService {\n"
398               "  rpc Search(SearchRequest) returns (SearchResponse) {\n"
399               "    option foo = true;\n"
400               "  }\n"
401               "};");
402}
403
404TEST_F(FormatTestProto, ExtendingMessage) {
405  verifyFormat("extend .foo.Bar {}");
406}
407
408TEST_F(FormatTestProto, FormatsImports) {
409  verifyFormat("import \"a.proto\";\n"
410               "import \"b.proto\";\n"
411               "// comment\n"
412               "message A {}");
413
414  verifyFormat("import public \"a.proto\";\n"
415               "import \"b.proto\";\n"
416               "// comment\n"
417               "message A {}");
418
419  // Missing semicolons should not confuse clang-format.
420  verifyFormat("import \"a.proto\"\n"
421               "import \"b.proto\"\n"
422               "// comment\n"
423               "message A {}");
424}
425
426TEST_F(FormatTestProto, KeepsLongStringLiteralsOnSameLine) {
427  verifyFormat(
428      "option (MyProto.options) = {\n"
429      "  foo: {\n"
430      "    text: \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaasaaaaaaaa\"\n"
431      "  }\n"
432      "}");
433}
434
435TEST_F(FormatTestProto, FormatsOptionsExtensions) {
436  verifyFormat("option (MyProto.options) = {\n"
437               "  msg_field: { field_d: 123 }\n"
438               "  [ext.t/u] { key: value }\n"
439               "  key: value\n"
440               "  [t.u/v] <\n"
441               "    [ext] { key: value }\n"
442               "  >\n"
443               "};");
444}
445
446TEST_F(FormatTestProto, SpacesAroundPercents) {
447  verifyFormat("option (MyProto.options) = {\n"
448               "  key: %lld\n"
449               "  key: 0x%04x\n"
450               "  key: \"%d %d\"\n"
451               "};");
452}
453
454TEST_F(FormatTestProto, FormatsRepeatedListInitializersInOptions) {
455  verifyFormat("option (MyProto.options) = {\n"
456               "  key: item\n"
457               "  keys: [\n"
458               "    'ala',\n"
459               "    'bala',\n"
460               "    'porto',\n"
461               "    'kala',\n"
462               "    'too',\n"
463               "    'long',\n"
464               "    'long',\n"
465               "    'long'\n"
466               "  ]\n"
467               "  key: [ item ]\n"
468               "  msg {\n"
469               "    key: item\n"
470               "    keys: [\n"
471               "      'ala',\n"
472               "      'bala',\n"
473               "      'porto',\n"
474               "      'kala',\n"
475               "      'too',\n"
476               "      'long',\n"
477               "      'long'\n"
478               "    ]\n"
479               "  }\n"
480               "  key: value\n"
481               "};");
482}
483
484TEST_F(FormatTestProto, AcceptsOperatorAsKeyInOptions) {
485  verifyFormat("option (MyProto.options) = {\n"
486               "  bbbbbbbbb: <\n"
487               "    ccccccccccccccccccccccc: <\n"
488               "      operator: 1\n"
489               "      operator: 2\n"
490               "      operator: 3\n"
491               "      operator { key: value }\n"
492               "    >\n"
493               "  >\n"
494               "};");
495}
496
497TEST_F(FormatTestProto, BreaksEntriesOfSubmessagesContainingSubmessages) {
498  FormatStyle Style = getGoogleStyle(FormatStyle::LK_TextProto);
499  Style.ColumnLimit = 60;
500  // The column limit allows for the keys submessage to be put on 1 line, but we
501  // break it since it contains a submessage an another entry.
502  verifyFormat("option (MyProto.options) = {\n"
503               "  key: valueeeeeeee\n"
504               "  keys: {\n"
505               "    item: 'aaaaaaaaaaaaaaaa'\n"
506               "    sub <>\n"
507               "  }\n"
508               "}");
509  verifyFormat("option (MyProto.options) = {\n"
510               "  key: valueeeeeeee\n"
511               "  keys: {\n"
512               "    item: 'aaaaaaaaaaaaaaaa'\n"
513               "    sub {}\n"
514               "  }\n"
515               "}");
516  verifyFormat("option (MyProto.options) = {\n"
517               "  key: valueeeeeeee\n"
518               "  keys: {\n"
519               "    sub {}\n"
520               "    sub: <>\n"
521               "    sub: []\n"
522               "  }\n"
523               "}");
524  verifyFormat("option (MyProto.options) = {\n"
525               "  key: valueeeeeeee\n"
526               "  keys: {\n"
527               "    item: 'aaaaaaaaaaa'\n"
528               "    sub { msg: 1 }\n"
529               "  }\n"
530               "}");
531  verifyFormat("option (MyProto.options) = {\n"
532               "  key: valueeeeeeee\n"
533               "  keys: {\n"
534               "    item: 'aaaaaaaaaaa'\n"
535               "    sub: { msg: 1 }\n"
536               "  }\n"
537               "}");
538  verifyFormat("option (MyProto.options) = {\n"
539               "  key: valueeeeeeee\n"
540               "  keys: {\n"
541               "    item: 'aaaaaaaaaaa'\n"
542               "    sub < msg: 1 >\n"
543               "  }\n"
544               "}");
545  verifyFormat("option (MyProto.options) = {\n"
546               "  key: valueeeeeeee\n"
547               "  keys: {\n"
548               "    item: 'aaaaaaaaaaa'\n"
549               "    sub: [ msg: 1 ]\n"
550               "  }\n"
551               "}");
552  verifyFormat("option (MyProto.options) = {\n"
553               "  key: valueeeeeeee\n"
554               "  keys: <\n"
555               "    item: 'aaaaaaaaaaa'\n"
556               "    sub: [ 1, 2 ]\n"
557               "  >\n"
558               "}");
559  verifyFormat("option (MyProto.options) = {\n"
560               "  key: valueeeeeeee\n"
561               "  keys: {\n"
562               "    sub {}\n"
563               "    item: 'aaaaaaaaaaaaaaaa'\n"
564               "  }\n"
565               "}");
566  verifyFormat("option (MyProto.options) = {\n"
567               "  key: valueeeeeeee\n"
568               "  keys: {\n"
569               "    sub: []\n"
570               "    item: 'aaaaaaaaaaaaaaaa'\n"
571               "  }\n"
572               "}");
573  verifyFormat("option (MyProto.options) = {\n"
574               "  key: valueeeeeeee\n"
575               "  keys: {\n"
576               "    sub <>\n"
577               "    item: 'aaaaaaaaaaaaaaaa'\n"
578               "  }\n"
579               "}");
580  verifyFormat("option (MyProto.options) = {\n"
581               "  key: valueeeeeeee\n"
582               "  keys: {\n"
583               "    sub { key: value }\n"
584               "    item: 'aaaaaaaaaaaaaaaa'\n"
585               "  }\n"
586               "}");
587  verifyFormat("option (MyProto.options) = {\n"
588               "  key: valueeeeeeee\n"
589               "  keys: {\n"
590               "    sub: [ 1, 2 ]\n"
591               "    item: 'aaaaaaaaaaaaaaaa'\n"
592               "  }\n"
593               "}");
594  verifyFormat("option (MyProto.options) = {\n"
595               "  key: valueeeeeeee\n"
596               "  keys: {\n"
597               "    sub < sub_2: {} >\n"
598               "    item: 'aaaaaaaaaaaaaaaa'\n"
599               "  }\n"
600               "}");
601  verifyFormat("option (MyProto.options) = {\n"
602               "  key: valueeeeeeee\n"
603               "  keys: {\n"
604               "    item: data\n"
605               "    sub: [ 1, 2 ]\n"
606               "    item: 'aaaaaaaaaaaaaaaa'\n"
607               "  }\n"
608               "}");
609  verifyFormat("option (MyProto.options) = {\n"
610               "  key: valueeeeeeee\n"
611               "  keys: {\n"
612               "    item: data\n"
613               "    sub < sub_2: {} >\n"
614               "    item: 'aaaaaaaaaaaaaaaa'\n"
615               "  }\n"
616               "}");
617  verifyFormat("option (MyProto.options) = {\n"
618               "  sub: {\n"
619               "    key: valueeeeeeee\n"
620               "    keys: {\n"
621               "      sub: [ 1, 2 ]\n"
622               "      item: 'aaaaaaaaaaaaaaaa'\n"
623               "    }\n"
624               "  }\n"
625               "}");
626}
627
628TEST_F(FormatTestProto, PreventBreaksBetweenKeyAndSubmessages) {
629  verifyFormat("option (MyProto.options) = {\n"
630               "  submessage: {\n"
631               "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
632               "  }\n"
633               "}");
634  verifyFormat("option (MyProto.options) = {\n"
635               "  submessage {\n"
636               "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
637               "  }\n"
638               "}");
639  verifyFormat("option (MyProto.options) = {\n"
640               "  submessage: <\n"
641               "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
642               "  >\n"
643               "}");
644  verifyFormat("option (MyProto.options) = {\n"
645               "  submessage <\n"
646               "    key: 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
647               "  >\n"
648               "}");
649  verifyFormat("option (MyProto.options) = {\n"
650               "  repeatedd: [\n"
651               "    'eyaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'\n"
652               "  ]\n"
653               "}");
654}
655
656
657} // end namespace tooling
658} // end namespace clang
659
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