xref: /llvm-project/clang/unittests/Format/ConfigParseTest.cpp (revision b28e879a8323189ee05733a0ef3779a6768a9ea3)
1 //===- unittest/Format/ConfigParseTest.cpp - Config parsing unit tests ----===//
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 "clang/Format/Format.h"
10 
11 #include "llvm/Support/VirtualFileSystem.h"
12 #include "gtest/gtest.h"
13 
14 namespace clang {
15 namespace format {
16 namespace {
17 
18 void dropDiagnosticHandler(const llvm::SMDiagnostic &, void *) {}
19 FormatStyle getGoogleStyle() { return getGoogleStyle(FormatStyle::LK_Cpp); }
20 
21 #define EXPECT_ALL_STYLES_EQUAL(Styles)                                        \
22   for (size_t i = 1; i < Styles.size(); ++i)                                   \
23   EXPECT_EQ(Styles[0], Styles[i])                                              \
24       << "Style #" << i << " of " << Styles.size() << " differs from Style #0"
25 
26 TEST(ConfigParseTest, GetsPredefinedStyleByName) {
27   SmallVector<FormatStyle, 3> Styles;
28   Styles.resize(3);
29 
30   Styles[0] = getLLVMStyle();
31   EXPECT_TRUE(getPredefinedStyle("LLVM", FormatStyle::LK_Cpp, &Styles[1]));
32   EXPECT_TRUE(getPredefinedStyle("lLvM", FormatStyle::LK_Cpp, &Styles[2]));
33   EXPECT_ALL_STYLES_EQUAL(Styles);
34 
35   Styles[0] = getGoogleStyle();
36   EXPECT_TRUE(getPredefinedStyle("Google", FormatStyle::LK_Cpp, &Styles[1]));
37   EXPECT_TRUE(getPredefinedStyle("gOOgle", FormatStyle::LK_Cpp, &Styles[2]));
38   EXPECT_ALL_STYLES_EQUAL(Styles);
39 
40   Styles[0] = getGoogleStyle(FormatStyle::LK_JavaScript);
41   EXPECT_TRUE(
42       getPredefinedStyle("Google", FormatStyle::LK_JavaScript, &Styles[1]));
43   EXPECT_TRUE(
44       getPredefinedStyle("gOOgle", FormatStyle::LK_JavaScript, &Styles[2]));
45   EXPECT_ALL_STYLES_EQUAL(Styles);
46 
47   Styles[0] = getChromiumStyle(FormatStyle::LK_Cpp);
48   EXPECT_TRUE(getPredefinedStyle("Chromium", FormatStyle::LK_Cpp, &Styles[1]));
49   EXPECT_TRUE(getPredefinedStyle("cHRoMiUM", FormatStyle::LK_Cpp, &Styles[2]));
50   EXPECT_ALL_STYLES_EQUAL(Styles);
51 
52   Styles[0] = getMozillaStyle();
53   EXPECT_TRUE(getPredefinedStyle("Mozilla", FormatStyle::LK_Cpp, &Styles[1]));
54   EXPECT_TRUE(getPredefinedStyle("moZILla", FormatStyle::LK_Cpp, &Styles[2]));
55   EXPECT_ALL_STYLES_EQUAL(Styles);
56 
57   Styles[0] = getWebKitStyle();
58   EXPECT_TRUE(getPredefinedStyle("WebKit", FormatStyle::LK_Cpp, &Styles[1]));
59   EXPECT_TRUE(getPredefinedStyle("wEbKit", FormatStyle::LK_Cpp, &Styles[2]));
60   EXPECT_ALL_STYLES_EQUAL(Styles);
61 
62   Styles[0] = getGNUStyle();
63   EXPECT_TRUE(getPredefinedStyle("GNU", FormatStyle::LK_Cpp, &Styles[1]));
64   EXPECT_TRUE(getPredefinedStyle("gnU", FormatStyle::LK_Cpp, &Styles[2]));
65   EXPECT_ALL_STYLES_EQUAL(Styles);
66 
67   Styles[0] = getClangFormatStyle();
68   EXPECT_TRUE(
69       getPredefinedStyle("clang-format", FormatStyle::LK_Cpp, &Styles[1]));
70   EXPECT_TRUE(
71       getPredefinedStyle("Clang-format", FormatStyle::LK_Cpp, &Styles[2]));
72   EXPECT_ALL_STYLES_EQUAL(Styles);
73 
74   EXPECT_FALSE(getPredefinedStyle("qwerty", FormatStyle::LK_Cpp, &Styles[0]));
75 }
76 
77 TEST(ConfigParseTest, GetsCorrectBasedOnStyle) {
78   SmallVector<FormatStyle, 8> Styles;
79   Styles.resize(2);
80 
81   Styles[0] = getGoogleStyle();
82   Styles[1] = getLLVMStyle();
83   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google", &Styles[1]).value());
84   EXPECT_ALL_STYLES_EQUAL(Styles);
85 
86   Styles.resize(5);
87   Styles[0] = getGoogleStyle(FormatStyle::LK_JavaScript);
88   Styles[1] = getLLVMStyle();
89   Styles[1].Language = FormatStyle::LK_JavaScript;
90   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google", &Styles[1]).value());
91 
92   Styles[2] = getLLVMStyle();
93   Styles[2].Language = FormatStyle::LK_JavaScript;
94   EXPECT_EQ(0, parseConfiguration("Language: JavaScript\n"
95                                   "BasedOnStyle: Google",
96                                   &Styles[2])
97                    .value());
98 
99   Styles[3] = getLLVMStyle();
100   Styles[3].Language = FormatStyle::LK_JavaScript;
101   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google\n"
102                                   "Language: JavaScript",
103                                   &Styles[3])
104                    .value());
105 
106   Styles[4] = getLLVMStyle();
107   Styles[4].Language = FormatStyle::LK_JavaScript;
108   EXPECT_EQ(0, parseConfiguration("---\n"
109                                   "BasedOnStyle: LLVM\n"
110                                   "IndentWidth: 123\n"
111                                   "---\n"
112                                   "BasedOnStyle: Google\n"
113                                   "Language: JavaScript",
114                                   &Styles[4])
115                    .value());
116   EXPECT_ALL_STYLES_EQUAL(Styles);
117 }
118 
119 #define CHECK_PARSE_BOOL_FIELD(FIELD, CONFIG_NAME)                             \
120   Style.FIELD = false;                                                         \
121   EXPECT_EQ(0, parseConfiguration(CONFIG_NAME ": true", &Style).value());      \
122   EXPECT_TRUE(Style.FIELD);                                                    \
123   EXPECT_EQ(0, parseConfiguration(CONFIG_NAME ": false", &Style).value());     \
124   EXPECT_FALSE(Style.FIELD)
125 
126 #define CHECK_PARSE_BOOL(FIELD) CHECK_PARSE_BOOL_FIELD(FIELD, #FIELD)
127 
128 #define CHECK_PARSE_NESTED_BOOL_FIELD(STRUCT, FIELD, CONFIG_NAME)              \
129   Style.STRUCT.FIELD = false;                                                  \
130   EXPECT_EQ(0,                                                                 \
131             parseConfiguration(#STRUCT ":\n  " CONFIG_NAME ": true", &Style)   \
132                 .value());                                                     \
133   EXPECT_TRUE(Style.STRUCT.FIELD);                                             \
134   EXPECT_EQ(0,                                                                 \
135             parseConfiguration(#STRUCT ":\n  " CONFIG_NAME ": false", &Style)  \
136                 .value());                                                     \
137   EXPECT_FALSE(Style.STRUCT.FIELD)
138 
139 #define CHECK_PARSE_NESTED_BOOL(STRUCT, FIELD)                                 \
140   CHECK_PARSE_NESTED_BOOL_FIELD(STRUCT, FIELD, #FIELD)
141 
142 #define CHECK_PARSE(TEXT, FIELD, VALUE)                                        \
143   EXPECT_NE(VALUE, Style.FIELD) << "Initial value already the same!";          \
144   EXPECT_EQ(0, parseConfiguration(TEXT, &Style).value());                      \
145   EXPECT_EQ(VALUE, Style.FIELD) << "Unexpected value after parsing!"
146 
147 #define CHECK_PARSE_INT(FIELD) CHECK_PARSE(#FIELD ": -1234", FIELD, -1234)
148 
149 #define CHECK_PARSE_UNSIGNED(FIELD) CHECK_PARSE(#FIELD ": 1234", FIELD, 1234u)
150 
151 #define CHECK_PARSE_LIST(FIELD)                                                \
152   CHECK_PARSE(#FIELD ": [foo]", FIELD, std::vector<std::string>{"foo"})
153 
154 #define CHECK_PARSE_NESTED_VALUE(TEXT, STRUCT, FIELD, VALUE)                   \
155   EXPECT_NE(VALUE, Style.STRUCT.FIELD) << "Initial value already the same!";   \
156   EXPECT_EQ(0, parseConfiguration(#STRUCT ":\n  " TEXT, &Style).value());      \
157   EXPECT_EQ(VALUE, Style.STRUCT.FIELD) << "Unexpected value after parsing!"
158 
159 TEST(ConfigParseTest, ParsesConfigurationBools) {
160   FormatStyle Style = {};
161   Style.Language = FormatStyle::LK_Cpp;
162   CHECK_PARSE_BOOL(AllowAllArgumentsOnNextLine);
163   CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine);
164   CHECK_PARSE_BOOL(AllowShortCaseExpressionOnASingleLine);
165   CHECK_PARSE_BOOL(AllowShortCaseLabelsOnASingleLine);
166   CHECK_PARSE_BOOL(AllowShortCompoundRequirementOnASingleLine);
167   CHECK_PARSE_BOOL(AllowShortEnumsOnASingleLine);
168   CHECK_PARSE_BOOL(AllowShortLoopsOnASingleLine);
169   CHECK_PARSE_BOOL(AllowShortNamespacesOnASingleLine);
170   CHECK_PARSE_BOOL(BinPackArguments);
171   CHECK_PARSE_BOOL(BreakAdjacentStringLiterals);
172   CHECK_PARSE_BOOL(BreakAfterJavaFieldAnnotations);
173   CHECK_PARSE_BOOL(BreakBeforeTernaryOperators);
174   CHECK_PARSE_BOOL(BreakStringLiterals);
175   CHECK_PARSE_BOOL(CompactNamespaces);
176   CHECK_PARSE_BOOL(Cpp11BracedListStyle);
177   CHECK_PARSE_BOOL(DerivePointerAlignment);
178   CHECK_PARSE_BOOL_FIELD(DerivePointerAlignment, "DerivePointerBinding");
179   CHECK_PARSE_BOOL(DisableFormat);
180   CHECK_PARSE_BOOL(IndentAccessModifiers);
181   CHECK_PARSE_BOOL(IndentCaseBlocks);
182   CHECK_PARSE_BOOL(IndentCaseLabels);
183   CHECK_PARSE_BOOL(IndentExportBlock);
184   CHECK_PARSE_BOOL(IndentGotoLabels);
185   CHECK_PARSE_BOOL(IndentRequiresClause);
186   CHECK_PARSE_BOOL_FIELD(IndentRequiresClause, "IndentRequires");
187   CHECK_PARSE_BOOL(IndentWrappedFunctionNames);
188   CHECK_PARSE_BOOL(InsertBraces);
189   CHECK_PARSE_BOOL(InsertNewlineAtEOF);
190   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtEndOfFile, "KeepEmptyLinesAtEOF");
191   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtStartOfBlock,
192                          "KeepEmptyLinesAtTheStartOfBlocks");
193   CHECK_PARSE_BOOL(KeepFormFeed);
194   CHECK_PARSE_BOOL(ObjCSpaceAfterProperty);
195   CHECK_PARSE_BOOL(ObjCSpaceBeforeProtocolList);
196   CHECK_PARSE_BOOL(RemoveBracesLLVM);
197   CHECK_PARSE_BOOL(RemoveEmptyLinesInUnwrappedLines);
198   CHECK_PARSE_BOOL(RemoveSemicolon);
199   CHECK_PARSE_BOOL(SkipMacroDefinitionBody);
200   CHECK_PARSE_BOOL(SpacesInSquareBrackets);
201   CHECK_PARSE_BOOL(SpaceInEmptyBlock);
202   CHECK_PARSE_BOOL(SpacesInContainerLiterals);
203   CHECK_PARSE_BOOL(SpaceAfterCStyleCast);
204   CHECK_PARSE_BOOL(SpaceAfterTemplateKeyword);
205   CHECK_PARSE_BOOL(SpaceAfterLogicalNot);
206   CHECK_PARSE_BOOL(SpaceBeforeAssignmentOperators);
207   CHECK_PARSE_BOOL(SpaceBeforeCaseColon);
208   CHECK_PARSE_BOOL(SpaceBeforeCpp11BracedList);
209   CHECK_PARSE_BOOL(SpaceBeforeCtorInitializerColon);
210   CHECK_PARSE_BOOL(SpaceBeforeInheritanceColon);
211   CHECK_PARSE_BOOL(SpaceBeforeJsonColon);
212   CHECK_PARSE_BOOL(SpaceBeforeRangeBasedForLoopColon);
213   CHECK_PARSE_BOOL(SpaceBeforeSquareBrackets);
214   CHECK_PARSE_BOOL(VerilogBreakBetweenInstancePorts);
215 
216   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, Enabled);
217   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements,
218                           AcrossEmptyLines);
219   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AcrossComments);
220   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseArrows);
221   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseColons);
222   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterCaseLabel);
223   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterClass);
224   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterEnum);
225   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterFunction);
226   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterNamespace);
227   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterObjCDeclaration);
228   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterStruct);
229   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterUnion);
230   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterExternBlock);
231   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeCatch);
232   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeElse);
233   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeLambdaBody);
234   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeWhile);
235   CHECK_PARSE_NESTED_BOOL(BraceWrapping, IndentBraces);
236   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyFunction);
237   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyRecord);
238   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyNamespace);
239   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtEndOfFile);
240   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfBlock);
241   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfFile);
242   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterControlStatements);
243   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterForeachMacros);
244   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
245                           AfterFunctionDeclarationName);
246   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
247                           AfterFunctionDefinitionName);
248   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterIfMacros);
249   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterOverloadedOperator);
250   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterPlacementOperator);
251   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, BeforeNonEmptyParentheses);
252   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, ExceptDoubleParentheses);
253   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InCStyleCasts);
254   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InConditionalStatements);
255   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InEmptyParentheses);
256   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, Other);
257 }
258 
259 #undef CHECK_PARSE_BOOL
260 
261 TEST(ConfigParseTest, ParsesConfigurationIntegers) {
262   FormatStyle Style = {};
263   Style.Language = FormatStyle::LK_Cpp;
264 
265   CHECK_PARSE_INT(AccessModifierOffset);
266   CHECK_PARSE_INT(PPIndentWidth);
267 
268   CHECK_PARSE_UNSIGNED(BracedInitializerIndentWidth);
269   CHECK_PARSE_UNSIGNED(ColumnLimit);
270   CHECK_PARSE_UNSIGNED(ConstructorInitializerIndentWidth);
271   CHECK_PARSE_UNSIGNED(ContinuationIndentWidth);
272   CHECK_PARSE_UNSIGNED(IndentWidth);
273   CHECK_PARSE_UNSIGNED(MaxEmptyLinesToKeep);
274   CHECK_PARSE_UNSIGNED(ObjCBlockIndentWidth);
275   CHECK_PARSE_UNSIGNED(PenaltyBreakAssignment);
276   CHECK_PARSE_UNSIGNED(PenaltyBreakBeforeFirstCallParameter);
277   CHECK_PARSE_UNSIGNED(PenaltyBreakBeforeMemberAccess);
278   CHECK_PARSE_UNSIGNED(PenaltyBreakComment);
279   CHECK_PARSE_UNSIGNED(PenaltyBreakFirstLessLess);
280   CHECK_PARSE_UNSIGNED(PenaltyBreakOpenParenthesis);
281   CHECK_PARSE_UNSIGNED(PenaltyBreakScopeResolution);
282   CHECK_PARSE_UNSIGNED(PenaltyBreakString);
283   CHECK_PARSE_UNSIGNED(PenaltyBreakTemplateDeclaration);
284   CHECK_PARSE_UNSIGNED(PenaltyExcessCharacter);
285   CHECK_PARSE_UNSIGNED(PenaltyIndentedWhitespace);
286   CHECK_PARSE_UNSIGNED(PenaltyReturnTypeOnItsOwnLine);
287   CHECK_PARSE_UNSIGNED(ShortNamespaceLines);
288   CHECK_PARSE_UNSIGNED(SpacesBeforeTrailingComments);
289   CHECK_PARSE_UNSIGNED(TabWidth);
290 }
291 
292 TEST(ConfigParseTest, ParsesConfiguration) {
293   FormatStyle Style = {};
294   Style.Language = FormatStyle::LK_Cpp;
295   CHECK_PARSE("CommentPragmas: '// abc$'", CommentPragmas, "// abc$");
296 
297   Style.QualifierAlignment = FormatStyle::QAS_Right;
298   CHECK_PARSE("QualifierAlignment: Leave", QualifierAlignment,
299               FormatStyle::QAS_Leave);
300   CHECK_PARSE("QualifierAlignment: Right", QualifierAlignment,
301               FormatStyle::QAS_Right);
302   CHECK_PARSE("QualifierAlignment: Left", QualifierAlignment,
303               FormatStyle::QAS_Left);
304   CHECK_PARSE("QualifierAlignment: Custom", QualifierAlignment,
305               FormatStyle::QAS_Custom);
306 
307   Style.QualifierOrder.clear();
308   CHECK_PARSE("QualifierOrder: [ const, volatile, type ]", QualifierOrder,
309               std::vector<std::string>({"const", "volatile", "type"}));
310   Style.QualifierOrder.clear();
311   CHECK_PARSE("QualifierOrder: [const, type]", QualifierOrder,
312               std::vector<std::string>({"const", "type"}));
313   Style.QualifierOrder.clear();
314   CHECK_PARSE("QualifierOrder: [volatile, type]", QualifierOrder,
315               std::vector<std::string>({"volatile", "type"}));
316 
317 #define CHECK_ALIGN_CONSECUTIVE(FIELD)                                         \
318   do {                                                                         \
319     Style.FIELD.Enabled = true;                                                \
320     CHECK_PARSE(#FIELD ": None", FIELD,                                        \
321                 FormatStyle::AlignConsecutiveStyle({}));                       \
322     CHECK_PARSE(                                                               \
323         #FIELD ": Consecutive", FIELD,                                         \
324         FormatStyle::AlignConsecutiveStyle(                                    \
325             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
326              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
327              /*AlignFunctionDeclarations=*/true,                               \
328              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
329     CHECK_PARSE(                                                               \
330         #FIELD ": AcrossEmptyLines", FIELD,                                    \
331         FormatStyle::AlignConsecutiveStyle(                                    \
332             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
333              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
334              /*AlignFunctionDeclarations=*/true,                               \
335              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
336     CHECK_PARSE(                                                               \
337         #FIELD ": AcrossComments", FIELD,                                      \
338         FormatStyle::AlignConsecutiveStyle(                                    \
339             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
340              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
341              /*AlignFunctionDeclarations=*/true,                               \
342              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
343     CHECK_PARSE(                                                               \
344         #FIELD ": AcrossEmptyLinesAndComments", FIELD,                         \
345         FormatStyle::AlignConsecutiveStyle(                                    \
346             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
347              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
348              /*AlignFunctionDeclarations=*/true,                               \
349              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
350     /* For backwards compability, false / true should still parse */           \
351     CHECK_PARSE(#FIELD ": false", FIELD,                                       \
352                 FormatStyle::AlignConsecutiveStyle({}));                       \
353     CHECK_PARSE(                                                               \
354         #FIELD ": true", FIELD,                                                \
355         FormatStyle::AlignConsecutiveStyle(                                    \
356             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
357              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
358              /*AlignFunctionDeclarations=*/true,                               \
359              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
360                                                                                \
361     CHECK_PARSE_NESTED_BOOL(FIELD, Enabled);                                   \
362     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossEmptyLines);                          \
363     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossComments);                            \
364     CHECK_PARSE_NESTED_BOOL(FIELD, AlignCompound);                             \
365     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionDeclarations);                 \
366     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionPointers);                     \
367     CHECK_PARSE_NESTED_BOOL(FIELD, PadOperators);                              \
368   } while (false)
369 
370   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveAssignments);
371   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveBitFields);
372   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveMacros);
373   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveDeclarations);
374 
375 #undef CHECK_ALIGN_CONSECUTIVE
376 
377   Style.PointerAlignment = FormatStyle::PAS_Middle;
378   CHECK_PARSE("PointerAlignment: Left", PointerAlignment,
379               FormatStyle::PAS_Left);
380   CHECK_PARSE("PointerAlignment: Right", PointerAlignment,
381               FormatStyle::PAS_Right);
382   CHECK_PARSE("PointerAlignment: Middle", PointerAlignment,
383               FormatStyle::PAS_Middle);
384   Style.ReferenceAlignment = FormatStyle::RAS_Middle;
385   CHECK_PARSE("ReferenceAlignment: Pointer", ReferenceAlignment,
386               FormatStyle::RAS_Pointer);
387   CHECK_PARSE("ReferenceAlignment: Left", ReferenceAlignment,
388               FormatStyle::RAS_Left);
389   CHECK_PARSE("ReferenceAlignment: Right", ReferenceAlignment,
390               FormatStyle::RAS_Right);
391   CHECK_PARSE("ReferenceAlignment: Middle", ReferenceAlignment,
392               FormatStyle::RAS_Middle);
393   // For backward compatibility:
394   CHECK_PARSE("PointerBindsToType: Left", PointerAlignment,
395               FormatStyle::PAS_Left);
396   CHECK_PARSE("PointerBindsToType: Right", PointerAlignment,
397               FormatStyle::PAS_Right);
398   CHECK_PARSE("PointerBindsToType: Middle", PointerAlignment,
399               FormatStyle::PAS_Middle);
400 
401   Style.ReflowComments = FormatStyle::RCS_Always;
402   CHECK_PARSE("ReflowComments: Never", ReflowComments, FormatStyle::RCS_Never);
403   CHECK_PARSE("ReflowComments: IndentOnly", ReflowComments,
404               FormatStyle::RCS_IndentOnly);
405   CHECK_PARSE("ReflowComments: Always", ReflowComments,
406               FormatStyle::RCS_Always);
407   // For backward compatibility:
408   CHECK_PARSE("ReflowComments: false", ReflowComments, FormatStyle::RCS_Never);
409   CHECK_PARSE("ReflowComments: true", ReflowComments, FormatStyle::RCS_Always);
410 
411   Style.Standard = FormatStyle::LS_Auto;
412   CHECK_PARSE("Standard: c++03", Standard, FormatStyle::LS_Cpp03);
413   CHECK_PARSE("Standard: c++11", Standard, FormatStyle::LS_Cpp11);
414   CHECK_PARSE("Standard: c++14", Standard, FormatStyle::LS_Cpp14);
415   CHECK_PARSE("Standard: c++17", Standard, FormatStyle::LS_Cpp17);
416   CHECK_PARSE("Standard: c++20", Standard, FormatStyle::LS_Cpp20);
417   CHECK_PARSE("Standard: Auto", Standard, FormatStyle::LS_Auto);
418   CHECK_PARSE("Standard: Latest", Standard, FormatStyle::LS_Latest);
419   // Legacy aliases:
420   CHECK_PARSE("Standard: Cpp03", Standard, FormatStyle::LS_Cpp03);
421   CHECK_PARSE("Standard: Cpp11", Standard, FormatStyle::LS_Latest);
422   CHECK_PARSE("Standard: C++03", Standard, FormatStyle::LS_Cpp03);
423   CHECK_PARSE("Standard: C++11", Standard, FormatStyle::LS_Cpp11);
424 
425   Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All;
426   CHECK_PARSE("BreakBeforeBinaryOperators: NonAssignment",
427               BreakBeforeBinaryOperators, FormatStyle::BOS_NonAssignment);
428   CHECK_PARSE("BreakBeforeBinaryOperators: None", BreakBeforeBinaryOperators,
429               FormatStyle::BOS_None);
430   CHECK_PARSE("BreakBeforeBinaryOperators: All", BreakBeforeBinaryOperators,
431               FormatStyle::BOS_All);
432   // For backward compatibility:
433   CHECK_PARSE("BreakBeforeBinaryOperators: false", BreakBeforeBinaryOperators,
434               FormatStyle::BOS_None);
435   CHECK_PARSE("BreakBeforeBinaryOperators: true", BreakBeforeBinaryOperators,
436               FormatStyle::BOS_All);
437 
438   Style.BreakBinaryOperations = FormatStyle::BBO_Never;
439   CHECK_PARSE("BreakBinaryOperations: OnePerLine", BreakBinaryOperations,
440               FormatStyle::BBO_OnePerLine);
441   CHECK_PARSE("BreakBinaryOperations: RespectPrecedence", BreakBinaryOperations,
442               FormatStyle::BBO_RespectPrecedence);
443   CHECK_PARSE("BreakBinaryOperations: Never", BreakBinaryOperations,
444               FormatStyle::BBO_Never);
445 
446   Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon;
447   CHECK_PARSE("BreakConstructorInitializers: BeforeComma",
448               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
449   CHECK_PARSE("BreakConstructorInitializers: AfterColon",
450               BreakConstructorInitializers, FormatStyle::BCIS_AfterColon);
451   CHECK_PARSE("BreakConstructorInitializers: BeforeColon",
452               BreakConstructorInitializers, FormatStyle::BCIS_BeforeColon);
453   // For backward compatibility:
454   CHECK_PARSE("BreakConstructorInitializersBeforeComma: true",
455               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
456 
457   Style.BreakInheritanceList = FormatStyle::BILS_BeforeColon;
458   CHECK_PARSE("BreakInheritanceList: AfterComma", BreakInheritanceList,
459               FormatStyle::BILS_AfterComma);
460   CHECK_PARSE("BreakInheritanceList: BeforeComma", BreakInheritanceList,
461               FormatStyle::BILS_BeforeComma);
462   CHECK_PARSE("BreakInheritanceList: AfterColon", BreakInheritanceList,
463               FormatStyle::BILS_AfterColon);
464   CHECK_PARSE("BreakInheritanceList: BeforeColon", BreakInheritanceList,
465               FormatStyle::BILS_BeforeColon);
466   // For backward compatibility:
467   CHECK_PARSE("BreakBeforeInheritanceComma: true", BreakInheritanceList,
468               FormatStyle::BILS_BeforeComma);
469 
470   Style.BinPackParameters = FormatStyle::BPPS_OnePerLine;
471   CHECK_PARSE("BinPackParameters: BinPack", BinPackParameters,
472               FormatStyle::BPPS_BinPack);
473   CHECK_PARSE("BinPackParameters: OnePerLine", BinPackParameters,
474               FormatStyle::BPPS_OnePerLine);
475   CHECK_PARSE("BinPackParameters: AlwaysOnePerLine", BinPackParameters,
476               FormatStyle::BPPS_AlwaysOnePerLine);
477   // For backward compatibility.
478   CHECK_PARSE("BinPackParameters: true", BinPackParameters,
479               FormatStyle::BPPS_BinPack);
480   CHECK_PARSE("BinPackParameters: false", BinPackParameters,
481               FormatStyle::BPPS_OnePerLine);
482 
483   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
484   CHECK_PARSE("PackConstructorInitializers: Never", PackConstructorInitializers,
485               FormatStyle::PCIS_Never);
486   CHECK_PARSE("PackConstructorInitializers: BinPack",
487               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
488   CHECK_PARSE("PackConstructorInitializers: CurrentLine",
489               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
490   CHECK_PARSE("PackConstructorInitializers: NextLine",
491               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
492   CHECK_PARSE("PackConstructorInitializers: NextLineOnly",
493               PackConstructorInitializers, FormatStyle::PCIS_NextLineOnly);
494   // For backward compatibility:
495   CHECK_PARSE("BasedOnStyle: Google\n"
496               "ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
497               "AllowAllConstructorInitializersOnNextLine: false",
498               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
499   Style.PackConstructorInitializers = FormatStyle::PCIS_NextLine;
500   CHECK_PARSE("BasedOnStyle: Google\n"
501               "ConstructorInitializerAllOnOneLineOrOnePerLine: false",
502               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
503   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
504               "AllowAllConstructorInitializersOnNextLine: true",
505               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
506   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
507   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
508               "AllowAllConstructorInitializersOnNextLine: false",
509               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
510 
511   Style.EmptyLineBeforeAccessModifier = FormatStyle::ELBAMS_LogicalBlock;
512   CHECK_PARSE("EmptyLineBeforeAccessModifier: Never",
513               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Never);
514   CHECK_PARSE("EmptyLineBeforeAccessModifier: Leave",
515               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Leave);
516   CHECK_PARSE("EmptyLineBeforeAccessModifier: LogicalBlock",
517               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_LogicalBlock);
518   CHECK_PARSE("EmptyLineBeforeAccessModifier: Always",
519               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Always);
520 
521   Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
522   CHECK_PARSE("AlignAfterOpenBracket: Align", AlignAfterOpenBracket,
523               FormatStyle::BAS_Align);
524   CHECK_PARSE("AlignAfterOpenBracket: DontAlign", AlignAfterOpenBracket,
525               FormatStyle::BAS_DontAlign);
526   CHECK_PARSE("AlignAfterOpenBracket: AlwaysBreak", AlignAfterOpenBracket,
527               FormatStyle::BAS_AlwaysBreak);
528   CHECK_PARSE("AlignAfterOpenBracket: BlockIndent", AlignAfterOpenBracket,
529               FormatStyle::BAS_BlockIndent);
530   // For backward compatibility:
531   CHECK_PARSE("AlignAfterOpenBracket: false", AlignAfterOpenBracket,
532               FormatStyle::BAS_DontAlign);
533   CHECK_PARSE("AlignAfterOpenBracket: true", AlignAfterOpenBracket,
534               FormatStyle::BAS_Align);
535 
536   Style.AlignEscapedNewlines = FormatStyle::ENAS_Left;
537   CHECK_PARSE("AlignEscapedNewlines: DontAlign", AlignEscapedNewlines,
538               FormatStyle::ENAS_DontAlign);
539   CHECK_PARSE("AlignEscapedNewlines: Left", AlignEscapedNewlines,
540               FormatStyle::ENAS_Left);
541   CHECK_PARSE("AlignEscapedNewlines: LeftWithLastLine", AlignEscapedNewlines,
542               FormatStyle::ENAS_LeftWithLastLine);
543   CHECK_PARSE("AlignEscapedNewlines: Right", AlignEscapedNewlines,
544               FormatStyle::ENAS_Right);
545   // For backward compatibility:
546   CHECK_PARSE("AlignEscapedNewlinesLeft: true", AlignEscapedNewlines,
547               FormatStyle::ENAS_Left);
548   CHECK_PARSE("AlignEscapedNewlinesLeft: false", AlignEscapedNewlines,
549               FormatStyle::ENAS_Right);
550 
551   Style.AlignOperands = FormatStyle::OAS_Align;
552   CHECK_PARSE("AlignOperands: DontAlign", AlignOperands,
553               FormatStyle::OAS_DontAlign);
554   CHECK_PARSE("AlignOperands: Align", AlignOperands, FormatStyle::OAS_Align);
555   CHECK_PARSE("AlignOperands: AlignAfterOperator", AlignOperands,
556               FormatStyle::OAS_AlignAfterOperator);
557   // For backward compatibility:
558   CHECK_PARSE("AlignOperands: false", AlignOperands,
559               FormatStyle::OAS_DontAlign);
560   CHECK_PARSE("AlignOperands: true", AlignOperands, FormatStyle::OAS_Align);
561 
562   CHECK_PARSE("AlignTrailingComments: Leave", AlignTrailingComments,
563               FormatStyle::TrailingCommentsAlignmentStyle(
564                   {FormatStyle::TCAS_Leave, 0}));
565   CHECK_PARSE("AlignTrailingComments: Always", AlignTrailingComments,
566               FormatStyle::TrailingCommentsAlignmentStyle(
567                   {FormatStyle::TCAS_Always, 0}));
568   CHECK_PARSE("AlignTrailingComments: Never", AlignTrailingComments,
569               FormatStyle::TrailingCommentsAlignmentStyle(
570                   {FormatStyle::TCAS_Never, 0}));
571   // For backwards compatibility
572   CHECK_PARSE("AlignTrailingComments: true", AlignTrailingComments,
573               FormatStyle::TrailingCommentsAlignmentStyle(
574                   {FormatStyle::TCAS_Always, 0}));
575   CHECK_PARSE("AlignTrailingComments: false", AlignTrailingComments,
576               FormatStyle::TrailingCommentsAlignmentStyle(
577                   {FormatStyle::TCAS_Never, 0}));
578   CHECK_PARSE_NESTED_VALUE("Kind: Always", AlignTrailingComments, Kind,
579                            FormatStyle::TCAS_Always);
580   CHECK_PARSE_NESTED_VALUE("Kind: Never", AlignTrailingComments, Kind,
581                            FormatStyle::TCAS_Never);
582   CHECK_PARSE_NESTED_VALUE("Kind: Leave", AlignTrailingComments, Kind,
583                            FormatStyle::TCAS_Leave);
584   CHECK_PARSE_NESTED_VALUE("OverEmptyLines: 1234", AlignTrailingComments,
585                            OverEmptyLines, 1234u);
586 
587   Style.UseTab = FormatStyle::UT_ForIndentation;
588   CHECK_PARSE("UseTab: Never", UseTab, FormatStyle::UT_Never);
589   CHECK_PARSE("UseTab: ForIndentation", UseTab, FormatStyle::UT_ForIndentation);
590   CHECK_PARSE("UseTab: Always", UseTab, FormatStyle::UT_Always);
591   CHECK_PARSE("UseTab: ForContinuationAndIndentation", UseTab,
592               FormatStyle::UT_ForContinuationAndIndentation);
593   CHECK_PARSE("UseTab: AlignWithSpaces", UseTab,
594               FormatStyle::UT_AlignWithSpaces);
595   // For backward compatibility:
596   CHECK_PARSE("UseTab: false", UseTab, FormatStyle::UT_Never);
597   CHECK_PARSE("UseTab: true", UseTab, FormatStyle::UT_Always);
598 
599   Style.AllowShortBlocksOnASingleLine = FormatStyle::SBS_Empty;
600   CHECK_PARSE("AllowShortBlocksOnASingleLine: Never",
601               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
602   CHECK_PARSE("AllowShortBlocksOnASingleLine: Empty",
603               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Empty);
604   CHECK_PARSE("AllowShortBlocksOnASingleLine: Always",
605               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
606   // For backward compatibility:
607   CHECK_PARSE("AllowShortBlocksOnASingleLine: false",
608               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
609   CHECK_PARSE("AllowShortBlocksOnASingleLine: true",
610               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
611 
612   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
613   CHECK_PARSE("AllowShortFunctionsOnASingleLine: None",
614               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
615   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Inline",
616               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Inline);
617   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Empty",
618               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Empty);
619   CHECK_PARSE("AllowShortFunctionsOnASingleLine: All",
620               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
621   // For backward compatibility:
622   CHECK_PARSE("AllowShortFunctionsOnASingleLine: false",
623               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
624   CHECK_PARSE("AllowShortFunctionsOnASingleLine: true",
625               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
626 
627   Style.AllowShortLambdasOnASingleLine = FormatStyle::SLS_All;
628   CHECK_PARSE("AllowShortLambdasOnASingleLine: None",
629               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
630   CHECK_PARSE("AllowShortLambdasOnASingleLine: Empty",
631               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Empty);
632   CHECK_PARSE("AllowShortLambdasOnASingleLine: Inline",
633               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Inline);
634   CHECK_PARSE("AllowShortLambdasOnASingleLine: All",
635               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
636   // For backward compatibility:
637   CHECK_PARSE("AllowShortLambdasOnASingleLine: false",
638               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
639   CHECK_PARSE("AllowShortLambdasOnASingleLine: true",
640               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
641 
642   Style.SpaceAroundPointerQualifiers = FormatStyle::SAPQ_Both;
643   CHECK_PARSE("SpaceAroundPointerQualifiers: Default",
644               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Default);
645   CHECK_PARSE("SpaceAroundPointerQualifiers: Before",
646               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Before);
647   CHECK_PARSE("SpaceAroundPointerQualifiers: After",
648               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_After);
649   CHECK_PARSE("SpaceAroundPointerQualifiers: Both",
650               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Both);
651 
652   Style.SpaceBeforeParens = FormatStyle::SBPO_Always;
653   CHECK_PARSE("SpaceBeforeParens: Never", SpaceBeforeParens,
654               FormatStyle::SBPO_Never);
655   CHECK_PARSE("SpaceBeforeParens: Always", SpaceBeforeParens,
656               FormatStyle::SBPO_Always);
657   CHECK_PARSE("SpaceBeforeParens: ControlStatements", SpaceBeforeParens,
658               FormatStyle::SBPO_ControlStatements);
659   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptControlMacros",
660               SpaceBeforeParens,
661               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
662   CHECK_PARSE("SpaceBeforeParens: NonEmptyParentheses", SpaceBeforeParens,
663               FormatStyle::SBPO_NonEmptyParentheses);
664   CHECK_PARSE("SpaceBeforeParens: Custom", SpaceBeforeParens,
665               FormatStyle::SBPO_Custom);
666   // For backward compatibility:
667   CHECK_PARSE("SpaceAfterControlStatementKeyword: false", SpaceBeforeParens,
668               FormatStyle::SBPO_Never);
669   CHECK_PARSE("SpaceAfterControlStatementKeyword: true", SpaceBeforeParens,
670               FormatStyle::SBPO_ControlStatements);
671   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptForEachMacros",
672               SpaceBeforeParens,
673               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
674 
675   // For backward compatibility:
676   Style.SpacesInParens = FormatStyle::SIPO_Never;
677   Style.SpacesInParensOptions = {};
678   CHECK_PARSE("SpacesInParentheses: true", SpacesInParens,
679               FormatStyle::SIPO_Custom);
680   Style.SpacesInParens = FormatStyle::SIPO_Never;
681   Style.SpacesInParensOptions = {};
682   CHECK_PARSE(
683       "SpacesInParentheses: true", SpacesInParensOptions,
684       FormatStyle::SpacesInParensCustom(false, true, false, false, true));
685   Style.SpacesInParens = FormatStyle::SIPO_Never;
686   Style.SpacesInParensOptions = {};
687   CHECK_PARSE(
688       "SpacesInConditionalStatement: true", SpacesInParensOptions,
689       FormatStyle::SpacesInParensCustom(false, true, false, false, false));
690   Style.SpacesInParens = FormatStyle::SIPO_Never;
691   Style.SpacesInParensOptions = {};
692   CHECK_PARSE(
693       "SpacesInCStyleCastParentheses: true", SpacesInParensOptions,
694       FormatStyle::SpacesInParensCustom(false, false, true, false, false));
695   Style.SpacesInParens = FormatStyle::SIPO_Never;
696   Style.SpacesInParensOptions = {};
697   CHECK_PARSE(
698       "SpaceInEmptyParentheses: true", SpacesInParensOptions,
699       FormatStyle::SpacesInParensCustom(false, false, false, true, false));
700   Style.SpacesInParens = FormatStyle::SIPO_Never;
701   Style.SpacesInParensOptions = {};
702 
703   Style.ColumnLimit = 123;
704   FormatStyle BaseStyle = getLLVMStyle();
705   CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);
706   CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234", ColumnLimit, 1234u);
707 
708   Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
709   CHECK_PARSE("BreakBeforeBraces: Attach", BreakBeforeBraces,
710               FormatStyle::BS_Attach);
711   CHECK_PARSE("BreakBeforeBraces: Linux", BreakBeforeBraces,
712               FormatStyle::BS_Linux);
713   CHECK_PARSE("BreakBeforeBraces: Mozilla", BreakBeforeBraces,
714               FormatStyle::BS_Mozilla);
715   CHECK_PARSE("BreakBeforeBraces: Stroustrup", BreakBeforeBraces,
716               FormatStyle::BS_Stroustrup);
717   CHECK_PARSE("BreakBeforeBraces: Allman", BreakBeforeBraces,
718               FormatStyle::BS_Allman);
719   CHECK_PARSE("BreakBeforeBraces: Whitesmiths", BreakBeforeBraces,
720               FormatStyle::BS_Whitesmiths);
721   CHECK_PARSE("BreakBeforeBraces: GNU", BreakBeforeBraces, FormatStyle::BS_GNU);
722   CHECK_PARSE("BreakBeforeBraces: WebKit", BreakBeforeBraces,
723               FormatStyle::BS_WebKit);
724   CHECK_PARSE("BreakBeforeBraces: Custom", BreakBeforeBraces,
725               FormatStyle::BS_Custom);
726 
727   Style.BraceWrapping.AfterControlStatement = FormatStyle::BWACS_Never;
728   CHECK_PARSE("BraceWrapping:\n"
729               "  AfterControlStatement: MultiLine",
730               BraceWrapping.AfterControlStatement,
731               FormatStyle::BWACS_MultiLine);
732   CHECK_PARSE("BraceWrapping:\n"
733               "  AfterControlStatement: Always",
734               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
735   CHECK_PARSE("BraceWrapping:\n"
736               "  AfterControlStatement: Never",
737               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
738   // For backward compatibility:
739   CHECK_PARSE("BraceWrapping:\n"
740               "  AfterControlStatement: true",
741               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
742   CHECK_PARSE("BraceWrapping:\n"
743               "  AfterControlStatement: false",
744               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
745 
746   Style.BreakAfterReturnType = FormatStyle::RTBS_All;
747   CHECK_PARSE("BreakAfterReturnType: None", BreakAfterReturnType,
748               FormatStyle::RTBS_None);
749   CHECK_PARSE("BreakAfterReturnType: Automatic", BreakAfterReturnType,
750               FormatStyle::RTBS_Automatic);
751   CHECK_PARSE("BreakAfterReturnType: ExceptShortType", BreakAfterReturnType,
752               FormatStyle::RTBS_ExceptShortType);
753   CHECK_PARSE("BreakAfterReturnType: All", BreakAfterReturnType,
754               FormatStyle::RTBS_All);
755   CHECK_PARSE("BreakAfterReturnType: TopLevel", BreakAfterReturnType,
756               FormatStyle::RTBS_TopLevel);
757   CHECK_PARSE("BreakAfterReturnType: AllDefinitions", BreakAfterReturnType,
758               FormatStyle::RTBS_AllDefinitions);
759   CHECK_PARSE("BreakAfterReturnType: TopLevelDefinitions", BreakAfterReturnType,
760               FormatStyle::RTBS_TopLevelDefinitions);
761   // For backward compatibility:
762   CHECK_PARSE("AlwaysBreakAfterReturnType: None", BreakAfterReturnType,
763               FormatStyle::RTBS_None);
764   CHECK_PARSE("AlwaysBreakAfterReturnType: Automatic", BreakAfterReturnType,
765               FormatStyle::RTBS_Automatic);
766   CHECK_PARSE("AlwaysBreakAfterReturnType: ExceptShortType",
767               BreakAfterReturnType, FormatStyle::RTBS_ExceptShortType);
768   CHECK_PARSE("AlwaysBreakAfterReturnType: All", BreakAfterReturnType,
769               FormatStyle::RTBS_All);
770   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel", BreakAfterReturnType,
771               FormatStyle::RTBS_TopLevel);
772   CHECK_PARSE("AlwaysBreakAfterReturnType: AllDefinitions",
773               BreakAfterReturnType, FormatStyle::RTBS_AllDefinitions);
774   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevelDefinitions",
775               BreakAfterReturnType, FormatStyle::RTBS_TopLevelDefinitions);
776 
777   Style.BreakTemplateDeclarations = FormatStyle::BTDS_Yes;
778   CHECK_PARSE("BreakTemplateDeclarations: Leave", BreakTemplateDeclarations,
779               FormatStyle::BTDS_Leave);
780   CHECK_PARSE("BreakTemplateDeclarations: No", BreakTemplateDeclarations,
781               FormatStyle::BTDS_No);
782   CHECK_PARSE("BreakTemplateDeclarations: MultiLine", BreakTemplateDeclarations,
783               FormatStyle::BTDS_MultiLine);
784   CHECK_PARSE("BreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
785               FormatStyle::BTDS_Yes);
786   CHECK_PARSE("BreakTemplateDeclarations: false", BreakTemplateDeclarations,
787               FormatStyle::BTDS_MultiLine);
788   CHECK_PARSE("BreakTemplateDeclarations: true", BreakTemplateDeclarations,
789               FormatStyle::BTDS_Yes);
790   // For backward compatibility:
791   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Leave",
792               BreakTemplateDeclarations, FormatStyle::BTDS_Leave);
793   CHECK_PARSE("AlwaysBreakTemplateDeclarations: No", BreakTemplateDeclarations,
794               FormatStyle::BTDS_No);
795   CHECK_PARSE("AlwaysBreakTemplateDeclarations: MultiLine",
796               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
797   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
798               FormatStyle::BTDS_Yes);
799   CHECK_PARSE("AlwaysBreakTemplateDeclarations: false",
800               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
801   CHECK_PARSE("AlwaysBreakTemplateDeclarations: true",
802               BreakTemplateDeclarations, FormatStyle::BTDS_Yes);
803 
804   Style.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_All;
805   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: None",
806               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_None);
807   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: All",
808               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_All);
809   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: TopLevel",
810               AlwaysBreakAfterDefinitionReturnType,
811               FormatStyle::DRTBS_TopLevel);
812 
813   Style.NamespaceIndentation = FormatStyle::NI_All;
814   CHECK_PARSE("NamespaceIndentation: None", NamespaceIndentation,
815               FormatStyle::NI_None);
816   CHECK_PARSE("NamespaceIndentation: Inner", NamespaceIndentation,
817               FormatStyle::NI_Inner);
818   CHECK_PARSE("NamespaceIndentation: All", NamespaceIndentation,
819               FormatStyle::NI_All);
820 
821   Style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_OnlyFirstIf;
822   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Never",
823               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
824   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: WithoutElse",
825               AllowShortIfStatementsOnASingleLine,
826               FormatStyle::SIS_WithoutElse);
827   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: OnlyFirstIf",
828               AllowShortIfStatementsOnASingleLine,
829               FormatStyle::SIS_OnlyFirstIf);
830   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: AllIfsAndElse",
831               AllowShortIfStatementsOnASingleLine,
832               FormatStyle::SIS_AllIfsAndElse);
833   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Always",
834               AllowShortIfStatementsOnASingleLine,
835               FormatStyle::SIS_OnlyFirstIf);
836   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: false",
837               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
838   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: true",
839               AllowShortIfStatementsOnASingleLine,
840               FormatStyle::SIS_WithoutElse);
841 
842   Style.IndentExternBlock = FormatStyle::IEBS_NoIndent;
843   CHECK_PARSE("IndentExternBlock: AfterExternBlock", IndentExternBlock,
844               FormatStyle::IEBS_AfterExternBlock);
845   CHECK_PARSE("IndentExternBlock: Indent", IndentExternBlock,
846               FormatStyle::IEBS_Indent);
847   CHECK_PARSE("IndentExternBlock: NoIndent", IndentExternBlock,
848               FormatStyle::IEBS_NoIndent);
849   CHECK_PARSE("IndentExternBlock: true", IndentExternBlock,
850               FormatStyle::IEBS_Indent);
851   CHECK_PARSE("IndentExternBlock: false", IndentExternBlock,
852               FormatStyle::IEBS_NoIndent);
853 
854   Style.BitFieldColonSpacing = FormatStyle::BFCS_None;
855   CHECK_PARSE("BitFieldColonSpacing: Both", BitFieldColonSpacing,
856               FormatStyle::BFCS_Both);
857   CHECK_PARSE("BitFieldColonSpacing: None", BitFieldColonSpacing,
858               FormatStyle::BFCS_None);
859   CHECK_PARSE("BitFieldColonSpacing: Before", BitFieldColonSpacing,
860               FormatStyle::BFCS_Before);
861   CHECK_PARSE("BitFieldColonSpacing: After", BitFieldColonSpacing,
862               FormatStyle::BFCS_After);
863 
864   Style.SortJavaStaticImport = FormatStyle::SJSIO_Before;
865   CHECK_PARSE("SortJavaStaticImport: After", SortJavaStaticImport,
866               FormatStyle::SJSIO_After);
867   CHECK_PARSE("SortJavaStaticImport: Before", SortJavaStaticImport,
868               FormatStyle::SJSIO_Before);
869 
870   Style.SortUsingDeclarations = FormatStyle::SUD_LexicographicNumeric;
871   CHECK_PARSE("SortUsingDeclarations: Never", SortUsingDeclarations,
872               FormatStyle::SUD_Never);
873   CHECK_PARSE("SortUsingDeclarations: Lexicographic", SortUsingDeclarations,
874               FormatStyle::SUD_Lexicographic);
875   CHECK_PARSE("SortUsingDeclarations: LexicographicNumeric",
876               SortUsingDeclarations, FormatStyle::SUD_LexicographicNumeric);
877   // For backward compatibility:
878   CHECK_PARSE("SortUsingDeclarations: false", SortUsingDeclarations,
879               FormatStyle::SUD_Never);
880   CHECK_PARSE("SortUsingDeclarations: true", SortUsingDeclarations,
881               FormatStyle::SUD_LexicographicNumeric);
882 
883   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Never",
884               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Never);
885   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Always",
886               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Always);
887   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Leave",
888               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Leave);
889 
890   // FIXME: This is required because parsing a configuration simply overwrites
891   // the first N elements of the list instead of resetting it.
892   Style.ForEachMacros.clear();
893   std::vector<std::string> BoostForeach;
894   BoostForeach.push_back("BOOST_FOREACH");
895   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH]", ForEachMacros, BoostForeach);
896   std::vector<std::string> BoostAndQForeach;
897   BoostAndQForeach.push_back("BOOST_FOREACH");
898   BoostAndQForeach.push_back("Q_FOREACH");
899   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH, Q_FOREACH]", ForEachMacros,
900               BoostAndQForeach);
901 
902   Style.IfMacros.clear();
903   std::vector<std::string> CustomIfs;
904   CustomIfs.push_back("MYIF");
905   CHECK_PARSE("IfMacros: [MYIF]", IfMacros, CustomIfs);
906 
907   Style.AttributeMacros.clear();
908   CHECK_PARSE("BasedOnStyle: LLVM", AttributeMacros,
909               std::vector<std::string>{"__capability"});
910   CHECK_PARSE("AttributeMacros: [attr1, attr2]", AttributeMacros,
911               std::vector<std::string>({"attr1", "attr2"}));
912 
913   Style.StatementAttributeLikeMacros.clear();
914   CHECK_PARSE("StatementAttributeLikeMacros: [emit,Q_EMIT]",
915               StatementAttributeLikeMacros,
916               std::vector<std::string>({"emit", "Q_EMIT"}));
917 
918   Style.StatementMacros.clear();
919   CHECK_PARSE("StatementMacros: [QUNUSED]", StatementMacros,
920               std::vector<std::string>{"QUNUSED"});
921   CHECK_PARSE("StatementMacros: [QUNUSED, QT_REQUIRE_VERSION]", StatementMacros,
922               std::vector<std::string>({"QUNUSED", "QT_REQUIRE_VERSION"}));
923 
924   CHECK_PARSE_LIST(JavaImportGroups);
925   CHECK_PARSE_LIST(Macros);
926   CHECK_PARSE_LIST(NamespaceMacros);
927   CHECK_PARSE_LIST(ObjCPropertyAttributeOrder);
928   CHECK_PARSE_LIST(TableGenBreakingDAGArgOperators);
929   CHECK_PARSE_LIST(TemplateNames);
930   CHECK_PARSE_LIST(TypeNames);
931   CHECK_PARSE_LIST(TypenameMacros);
932   CHECK_PARSE_LIST(VariableTemplates);
933 
934   Style.WhitespaceSensitiveMacros.clear();
935   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE]",
936               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
937   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE, ASSERT]",
938               WhitespaceSensitiveMacros,
939               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
940   Style.WhitespaceSensitiveMacros.clear();
941   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE']",
942               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
943   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE', 'ASSERT']",
944               WhitespaceSensitiveMacros,
945               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
946 
947   Style.IncludeStyle.IncludeCategories.clear();
948   std::vector<tooling::IncludeStyle::IncludeCategory> ExpectedCategories = {
949       {"abc/.*", 2, 0, false}, {".*", 1, 0, true}};
950   CHECK_PARSE("IncludeCategories:\n"
951               "  - Regex: abc/.*\n"
952               "    Priority: 2\n"
953               "  - Regex: .*\n"
954               "    Priority: 1\n"
955               "    CaseSensitive: true",
956               IncludeStyle.IncludeCategories, ExpectedCategories);
957   CHECK_PARSE("IncludeIsMainRegex: 'abc$'", IncludeStyle.IncludeIsMainRegex,
958               "abc$");
959   CHECK_PARSE("IncludeIsMainSourceRegex: 'abc$'",
960               IncludeStyle.IncludeIsMainSourceRegex, "abc$");
961 
962   Style.SortIncludes = FormatStyle::SI_Never;
963   CHECK_PARSE("SortIncludes: true", SortIncludes,
964               FormatStyle::SI_CaseSensitive);
965   CHECK_PARSE("SortIncludes: false", SortIncludes, FormatStyle::SI_Never);
966   CHECK_PARSE("SortIncludes: CaseInsensitive", SortIncludes,
967               FormatStyle::SI_CaseInsensitive);
968   CHECK_PARSE("SortIncludes: CaseSensitive", SortIncludes,
969               FormatStyle::SI_CaseSensitive);
970   CHECK_PARSE("SortIncludes: Never", SortIncludes, FormatStyle::SI_Never);
971 
972   Style.RawStringFormats.clear();
973   std::vector<FormatStyle::RawStringFormat> ExpectedRawStringFormats = {
974       {
975           FormatStyle::LK_TextProto,
976           {"pb", "proto"},
977           {"PARSE_TEXT_PROTO"},
978           /*CanonicalDelimiter=*/"",
979           "llvm",
980       },
981       {
982           FormatStyle::LK_Cpp,
983           {"cc", "cpp"},
984           {"C_CODEBLOCK", "CPPEVAL"},
985           /*CanonicalDelimiter=*/"cc",
986           /*BasedOnStyle=*/"",
987       },
988   };
989 
990   CHECK_PARSE("RawStringFormats:\n"
991               "  - Language: TextProto\n"
992               "    Delimiters:\n"
993               "      - 'pb'\n"
994               "      - 'proto'\n"
995               "    EnclosingFunctions:\n"
996               "      - 'PARSE_TEXT_PROTO'\n"
997               "    BasedOnStyle: llvm\n"
998               "  - Language: Cpp\n"
999               "    Delimiters:\n"
1000               "      - 'cc'\n"
1001               "      - 'cpp'\n"
1002               "    EnclosingFunctions:\n"
1003               "      - 'C_CODEBLOCK'\n"
1004               "      - 'CPPEVAL'\n"
1005               "    CanonicalDelimiter: 'cc'",
1006               RawStringFormats, ExpectedRawStringFormats);
1007 
1008   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1009               "  Minimum: 0\n"
1010               "  Maximum: 0",
1011               SpacesInLineCommentPrefix.Minimum, 0u);
1012   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Maximum, 0u);
1013   Style.SpacesInLineCommentPrefix.Minimum = 1;
1014   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1015               "  Minimum: 2",
1016               SpacesInLineCommentPrefix.Minimum, 0u);
1017   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1018               "  Maximum: -1",
1019               SpacesInLineCommentPrefix.Maximum, -1u);
1020   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1021               "  Minimum: 2",
1022               SpacesInLineCommentPrefix.Minimum, 2u);
1023   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1024               "  Maximum: 1",
1025               SpacesInLineCommentPrefix.Maximum, 1u);
1026   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Minimum, 1u);
1027 
1028   Style.SpacesInAngles = FormatStyle::SIAS_Always;
1029   CHECK_PARSE("SpacesInAngles: Never", SpacesInAngles, FormatStyle::SIAS_Never);
1030   CHECK_PARSE("SpacesInAngles: Always", SpacesInAngles,
1031               FormatStyle::SIAS_Always);
1032   CHECK_PARSE("SpacesInAngles: Leave", SpacesInAngles, FormatStyle::SIAS_Leave);
1033   // For backward compatibility:
1034   CHECK_PARSE("SpacesInAngles: false", SpacesInAngles, FormatStyle::SIAS_Never);
1035   CHECK_PARSE("SpacesInAngles: true", SpacesInAngles, FormatStyle::SIAS_Always);
1036 
1037   CHECK_PARSE("RequiresClausePosition: WithPreceding", RequiresClausePosition,
1038               FormatStyle::RCPS_WithPreceding);
1039   CHECK_PARSE("RequiresClausePosition: WithFollowing", RequiresClausePosition,
1040               FormatStyle::RCPS_WithFollowing);
1041   CHECK_PARSE("RequiresClausePosition: SingleLine", RequiresClausePosition,
1042               FormatStyle::RCPS_SingleLine);
1043   CHECK_PARSE("RequiresClausePosition: OwnLine", RequiresClausePosition,
1044               FormatStyle::RCPS_OwnLine);
1045 
1046   CHECK_PARSE("BreakBeforeConceptDeclarations: Never",
1047               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Never);
1048   CHECK_PARSE("BreakBeforeConceptDeclarations: Always",
1049               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1050   CHECK_PARSE("BreakBeforeConceptDeclarations: Allowed",
1051               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1052   // For backward compatibility:
1053   CHECK_PARSE("BreakBeforeConceptDeclarations: true",
1054               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1055   CHECK_PARSE("BreakBeforeConceptDeclarations: false",
1056               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1057 
1058   CHECK_PARSE("BreakAfterAttributes: Always", BreakAfterAttributes,
1059               FormatStyle::ABS_Always);
1060   CHECK_PARSE("BreakAfterAttributes: Leave", BreakAfterAttributes,
1061               FormatStyle::ABS_Leave);
1062   CHECK_PARSE("BreakAfterAttributes: Never", BreakAfterAttributes,
1063               FormatStyle::ABS_Never);
1064 
1065   const auto DefaultLineEnding = FormatStyle::LE_DeriveLF;
1066   CHECK_PARSE("LineEnding: LF", LineEnding, FormatStyle::LE_LF);
1067   CHECK_PARSE("LineEnding: CRLF", LineEnding, FormatStyle::LE_CRLF);
1068   CHECK_PARSE("LineEnding: DeriveCRLF", LineEnding, FormatStyle::LE_DeriveCRLF);
1069   CHECK_PARSE("LineEnding: DeriveLF", LineEnding, DefaultLineEnding);
1070   // For backward compatibility:
1071   CHECK_PARSE("DeriveLineEnding: false", LineEnding, FormatStyle::LE_LF);
1072   Style.LineEnding = DefaultLineEnding;
1073   CHECK_PARSE("DeriveLineEnding: false\n"
1074               "UseCRLF: true",
1075               LineEnding, FormatStyle::LE_CRLF);
1076   Style.LineEnding = DefaultLineEnding;
1077   CHECK_PARSE("UseCRLF: true", LineEnding, FormatStyle::LE_DeriveCRLF);
1078 
1079   CHECK_PARSE("RemoveParentheses: MultipleParentheses", RemoveParentheses,
1080               FormatStyle::RPS_MultipleParentheses);
1081   CHECK_PARSE("RemoveParentheses: ReturnStatement", RemoveParentheses,
1082               FormatStyle::RPS_ReturnStatement);
1083   CHECK_PARSE("RemoveParentheses: Leave", RemoveParentheses,
1084               FormatStyle::RPS_Leave);
1085 
1086   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Always",
1087               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Always);
1088   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: OnlyWithParen",
1089               AllowBreakBeforeNoexceptSpecifier,
1090               FormatStyle::BBNSS_OnlyWithParen);
1091   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Never",
1092               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Never);
1093 
1094   Style.SeparateDefinitionBlocks = FormatStyle::SDS_Never;
1095   CHECK_PARSE("SeparateDefinitionBlocks: Always", SeparateDefinitionBlocks,
1096               FormatStyle::SDS_Always);
1097   CHECK_PARSE("SeparateDefinitionBlocks: Leave", SeparateDefinitionBlocks,
1098               FormatStyle::SDS_Leave);
1099   CHECK_PARSE("SeparateDefinitionBlocks: Never", SeparateDefinitionBlocks,
1100               FormatStyle::SDS_Never);
1101 }
1102 
1103 TEST(ConfigParseTest, ParsesConfigurationWithLanguages) {
1104   FormatStyle Style = {};
1105   Style.Language = FormatStyle::LK_Cpp;
1106   CHECK_PARSE("Language: Cpp\n"
1107               "IndentWidth: 12",
1108               IndentWidth, 12u);
1109   EXPECT_EQ(parseConfiguration("Language: JavaScript\n"
1110                                "IndentWidth: 34",
1111                                &Style),
1112             ParseError::Unsuitable);
1113   FormatStyle BinPackedTCS = {};
1114   BinPackedTCS.Language = FormatStyle::LK_JavaScript;
1115   EXPECT_EQ(parseConfiguration("BinPackArguments: true\n"
1116                                "InsertTrailingCommas: Wrapped",
1117                                &BinPackedTCS),
1118             ParseError::BinPackTrailingCommaConflict);
1119   EXPECT_EQ(12u, Style.IndentWidth);
1120   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1121   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1122 
1123   Style.Language = FormatStyle::LK_JavaScript;
1124   CHECK_PARSE("Language: JavaScript\n"
1125               "IndentWidth: 12",
1126               IndentWidth, 12u);
1127   CHECK_PARSE("IndentWidth: 23", IndentWidth, 23u);
1128   EXPECT_EQ(parseConfiguration("Language: Cpp\n"
1129                                "IndentWidth: 34",
1130                                &Style),
1131             ParseError::Unsuitable);
1132   EXPECT_EQ(23u, Style.IndentWidth);
1133   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1134   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1135 
1136   CHECK_PARSE("BasedOnStyle: LLVM\n"
1137               "IndentWidth: 67",
1138               IndentWidth, 67u);
1139 
1140   CHECK_PARSE("---\n"
1141               "Language: JavaScript\n"
1142               "IndentWidth: 12\n"
1143               "---\n"
1144               "Language: Cpp\n"
1145               "IndentWidth: 34\n"
1146               "...\n",
1147               IndentWidth, 12u);
1148 
1149   Style.Language = FormatStyle::LK_Cpp;
1150   CHECK_PARSE("---\n"
1151               "Language: JavaScript\n"
1152               "IndentWidth: 12\n"
1153               "---\n"
1154               "Language: Cpp\n"
1155               "IndentWidth: 34\n"
1156               "...\n",
1157               IndentWidth, 34u);
1158   CHECK_PARSE("---\n"
1159               "IndentWidth: 78\n"
1160               "---\n"
1161               "Language: JavaScript\n"
1162               "IndentWidth: 56\n"
1163               "...\n",
1164               IndentWidth, 78u);
1165 
1166   Style.ColumnLimit = 123;
1167   Style.IndentWidth = 234;
1168   Style.BreakBeforeBraces = FormatStyle::BS_Linux;
1169   Style.TabWidth = 345;
1170   EXPECT_FALSE(parseConfiguration("---\n"
1171                                   "IndentWidth: 456\n"
1172                                   "BreakBeforeBraces: Allman\n"
1173                                   "---\n"
1174                                   "Language: JavaScript\n"
1175                                   "IndentWidth: 111\n"
1176                                   "TabWidth: 111\n"
1177                                   "---\n"
1178                                   "Language: Cpp\n"
1179                                   "BreakBeforeBraces: Stroustrup\n"
1180                                   "TabWidth: 789\n"
1181                                   "...\n",
1182                                   &Style));
1183   EXPECT_EQ(123u, Style.ColumnLimit);
1184   EXPECT_EQ(456u, Style.IndentWidth);
1185   EXPECT_EQ(FormatStyle::BS_Stroustrup, Style.BreakBeforeBraces);
1186   EXPECT_EQ(789u, Style.TabWidth);
1187 
1188   EXPECT_EQ(parseConfiguration("---\n"
1189                                "Language: JavaScript\n"
1190                                "IndentWidth: 56\n"
1191                                "---\n"
1192                                "IndentWidth: 78\n"
1193                                "...\n",
1194                                &Style),
1195             ParseError::Error);
1196   EXPECT_EQ(parseConfiguration("---\n"
1197                                "Language: JavaScript\n"
1198                                "IndentWidth: 56\n"
1199                                "---\n"
1200                                "Language: JavaScript\n"
1201                                "IndentWidth: 78\n"
1202                                "...\n",
1203                                &Style),
1204             ParseError::Error);
1205 
1206   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1207 
1208   Style.Language = FormatStyle::LK_Verilog;
1209   CHECK_PARSE("---\n"
1210               "Language: Verilog\n"
1211               "IndentWidth: 12\n"
1212               "---\n"
1213               "Language: Cpp\n"
1214               "IndentWidth: 34\n"
1215               "...\n",
1216               IndentWidth, 12u);
1217   CHECK_PARSE("---\n"
1218               "IndentWidth: 78\n"
1219               "---\n"
1220               "Language: Verilog\n"
1221               "IndentWidth: 56\n"
1222               "...\n",
1223               IndentWidth, 56u);
1224 }
1225 
1226 TEST(ConfigParseTest, UsesLanguageForBasedOnStyle) {
1227   FormatStyle Style = {};
1228   Style.Language = FormatStyle::LK_JavaScript;
1229   Style.BreakBeforeTernaryOperators = true;
1230   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google", &Style).value());
1231   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1232 
1233   Style.BreakBeforeTernaryOperators = true;
1234   EXPECT_EQ(0, parseConfiguration("---\n"
1235                                   "BasedOnStyle: Google\n"
1236                                   "---\n"
1237                                   "Language: JavaScript\n"
1238                                   "IndentWidth: 76\n"
1239                                   "...\n",
1240                                   &Style)
1241                    .value());
1242   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1243   EXPECT_EQ(76u, Style.IndentWidth);
1244   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1245 }
1246 
1247 TEST(ConfigParseTest, ConfigurationRoundTripTest) {
1248   FormatStyle Style = getLLVMStyle();
1249   std::string YAML = configurationAsText(Style);
1250   FormatStyle ParsedStyle = {};
1251   ParsedStyle.Language = FormatStyle::LK_Cpp;
1252   EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value());
1253   EXPECT_EQ(Style, ParsedStyle);
1254 }
1255 
1256 TEST(ConfigParseTest, GetStyleWithEmptyFileName) {
1257   llvm::vfs::InMemoryFileSystem FS;
1258   auto Style1 = getStyle("file", "", "Google", "", &FS);
1259   ASSERT_TRUE((bool)Style1);
1260   ASSERT_EQ(*Style1, getGoogleStyle());
1261 }
1262 
1263 TEST(ConfigParseTest, GetStyleOfFile) {
1264   llvm::vfs::InMemoryFileSystem FS;
1265   // Test 1: format file in the same directory.
1266   ASSERT_TRUE(
1267       FS.addFile("/a/.clang-format", 0,
1268                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1269   ASSERT_TRUE(
1270       FS.addFile("/a/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1271   auto Style1 = getStyle("file", "/a/.clang-format", "Google", "", &FS);
1272   ASSERT_TRUE((bool)Style1);
1273   ASSERT_EQ(*Style1, getLLVMStyle());
1274 
1275   // Test 2.1: fallback to default.
1276   ASSERT_TRUE(
1277       FS.addFile("/b/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1278   auto Style2 = getStyle("file", "/b/test.cpp", "Mozilla", "", &FS);
1279   ASSERT_TRUE((bool)Style2);
1280   ASSERT_EQ(*Style2, getMozillaStyle());
1281 
1282   // Test 2.2: no format on 'none' fallback style.
1283   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1284   ASSERT_TRUE((bool)Style2);
1285   ASSERT_EQ(*Style2, getNoStyle());
1286 
1287   // Test 2.3: format if config is found with no based style while fallback is
1288   // 'none'.
1289   ASSERT_TRUE(FS.addFile("/b/.clang-format", 0,
1290                          llvm::MemoryBuffer::getMemBuffer("IndentWidth: 2")));
1291   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1292   ASSERT_TRUE((bool)Style2);
1293   ASSERT_EQ(*Style2, getLLVMStyle());
1294 
1295   // Test 2.4: format if yaml with no based style, while fallback is 'none'.
1296   Style2 = getStyle("{}", "a.h", "none", "", &FS);
1297   ASSERT_TRUE((bool)Style2);
1298   ASSERT_EQ(*Style2, getLLVMStyle());
1299 
1300   // Test 3: format file in parent directory.
1301   ASSERT_TRUE(
1302       FS.addFile("/c/.clang-format", 0,
1303                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1304   ASSERT_TRUE(FS.addFile("/c/sub/sub/sub/test.cpp", 0,
1305                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1306   auto Style3 = getStyle("file", "/c/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1307   ASSERT_TRUE((bool)Style3);
1308   ASSERT_EQ(*Style3, getGoogleStyle());
1309 
1310   // Test 4: error on invalid fallback style
1311   auto Style4 = getStyle("file", "a.h", "KungFu", "", &FS);
1312   ASSERT_FALSE((bool)Style4);
1313   llvm::consumeError(Style4.takeError());
1314 
1315   // Test 5: error on invalid yaml on command line
1316   auto Style5 = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1317                          /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1318   ASSERT_FALSE((bool)Style5);
1319   llvm::consumeError(Style5.takeError());
1320 
1321   // Test 6: error on invalid style
1322   auto Style6 = getStyle("KungFu", "a.h", "LLVM", "", &FS);
1323   ASSERT_FALSE((bool)Style6);
1324   llvm::consumeError(Style6.takeError());
1325 
1326   // Test 7: found config file, error on parsing it
1327   ASSERT_TRUE(
1328       FS.addFile("/d/.clang-format", 0,
1329                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM\n"
1330                                                   "InvalidKey: InvalidValue")));
1331   ASSERT_TRUE(
1332       FS.addFile("/d/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1333   auto Style7a = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1334                           /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1335   ASSERT_FALSE((bool)Style7a);
1336   llvm::consumeError(Style7a.takeError());
1337 
1338   auto Style7b = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1339                           /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1340   ASSERT_TRUE((bool)Style7b);
1341 
1342   // Test 8: inferred per-language defaults apply.
1343   auto StyleTd = getStyle("file", "x.td", "llvm", "", &FS);
1344   ASSERT_TRUE((bool)StyleTd);
1345   ASSERT_EQ(*StyleTd, getLLVMStyle(FormatStyle::LK_TableGen));
1346 
1347   // Test 9.1.1: overwriting a file style, when no parent file exists with no
1348   // fallback style.
1349   ASSERT_TRUE(FS.addFile(
1350       "/e/sub/.clang-format", 0,
1351       llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: InheritParentConfig\n"
1352                                        "ColumnLimit: 20")));
1353   ASSERT_TRUE(FS.addFile("/e/sub/code.cpp", 0,
1354                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1355   auto Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1356   ASSERT_TRUE(static_cast<bool>(Style9));
1357   ASSERT_EQ(*Style9, [] {
1358     auto Style = getNoStyle();
1359     Style.ColumnLimit = 20;
1360     return Style;
1361   }());
1362 
1363   // Test 9.1.2: propagate more than one level with no parent file.
1364   ASSERT_TRUE(FS.addFile("/e/sub/sub/code.cpp", 0,
1365                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1366   ASSERT_TRUE(FS.addFile("/e/sub/sub/.clang-format", 0,
1367                          llvm::MemoryBuffer::getMemBuffer(
1368                              "BasedOnStyle: InheritParentConfig\n"
1369                              "WhitespaceSensitiveMacros: ['FOO', 'BAR']")));
1370   std::vector<std::string> NonDefaultWhiteSpaceMacros =
1371       Style9->WhitespaceSensitiveMacros;
1372   NonDefaultWhiteSpaceMacros[0] = "FOO";
1373   NonDefaultWhiteSpaceMacros[1] = "BAR";
1374 
1375   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1376   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1377   ASSERT_TRUE(static_cast<bool>(Style9));
1378   ASSERT_EQ(*Style9, [&NonDefaultWhiteSpaceMacros] {
1379     auto Style = getNoStyle();
1380     Style.ColumnLimit = 20;
1381     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1382     return Style;
1383   }());
1384 
1385   // Test 9.2: with LLVM fallback style
1386   Style9 = getStyle("file", "/e/sub/code.cpp", "LLVM", "", &FS);
1387   ASSERT_TRUE(static_cast<bool>(Style9));
1388   ASSERT_EQ(*Style9, [] {
1389     auto Style = getLLVMStyle();
1390     Style.ColumnLimit = 20;
1391     return Style;
1392   }());
1393 
1394   // Test 9.3: with a parent file
1395   ASSERT_TRUE(
1396       FS.addFile("/e/.clang-format", 0,
1397                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google\n"
1398                                                   "UseTab: Always")));
1399   Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1400   ASSERT_TRUE(static_cast<bool>(Style9));
1401   ASSERT_EQ(*Style9, [] {
1402     auto Style = getGoogleStyle();
1403     Style.ColumnLimit = 20;
1404     Style.UseTab = FormatStyle::UT_Always;
1405     return Style;
1406   }());
1407 
1408   // Test 9.4: propagate more than one level with a parent file.
1409   const auto SubSubStyle = [&NonDefaultWhiteSpaceMacros] {
1410     auto Style = getGoogleStyle();
1411     Style.ColumnLimit = 20;
1412     Style.UseTab = FormatStyle::UT_Always;
1413     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1414     return Style;
1415   }();
1416 
1417   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1418   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1419   ASSERT_TRUE(static_cast<bool>(Style9));
1420   ASSERT_EQ(*Style9, SubSubStyle);
1421 
1422   // Test 9.5: use InheritParentConfig as style name
1423   Style9 =
1424       getStyle("inheritparentconfig", "/e/sub/sub/code.cpp", "none", "", &FS);
1425   ASSERT_TRUE(static_cast<bool>(Style9));
1426   ASSERT_EQ(*Style9, SubSubStyle);
1427 
1428   // Test 9.6: use command line style with inheritance
1429   Style9 = getStyle("{BasedOnStyle: InheritParentConfig}",
1430                     "/e/sub/sub/code.cpp", "none", "", &FS);
1431   ASSERT_TRUE(static_cast<bool>(Style9));
1432   ASSERT_EQ(*Style9, SubSubStyle);
1433 
1434   // Test 9.7: use command line style with inheritance and own config
1435   Style9 = getStyle("{BasedOnStyle: InheritParentConfig, "
1436                     "WhitespaceSensitiveMacros: ['FOO', 'BAR']}",
1437                     "/e/sub/code.cpp", "none", "", &FS);
1438   ASSERT_TRUE(static_cast<bool>(Style9));
1439   ASSERT_EQ(*Style9, SubSubStyle);
1440 
1441   // Test 9.8: use inheritance from a file without BasedOnStyle
1442   ASSERT_TRUE(FS.addFile("/e/withoutbase/.clang-format", 0,
1443                          llvm::MemoryBuffer::getMemBuffer("ColumnLimit: 123")));
1444   ASSERT_TRUE(
1445       FS.addFile("/e/withoutbase/sub/.clang-format", 0,
1446                  llvm::MemoryBuffer::getMemBuffer(
1447                      "BasedOnStyle: InheritParentConfig\nIndentWidth: 7")));
1448   // Make sure we do not use the fallback style
1449   Style9 = getStyle("file", "/e/withoutbase/code.cpp", "google", "", &FS);
1450   ASSERT_TRUE(static_cast<bool>(Style9));
1451   ASSERT_EQ(*Style9, [] {
1452     auto Style = getLLVMStyle();
1453     Style.ColumnLimit = 123;
1454     return Style;
1455   }());
1456 
1457   Style9 = getStyle("file", "/e/withoutbase/sub/code.cpp", "google", "", &FS);
1458   ASSERT_TRUE(static_cast<bool>(Style9));
1459   ASSERT_EQ(*Style9, [] {
1460     auto Style = getLLVMStyle();
1461     Style.ColumnLimit = 123;
1462     Style.IndentWidth = 7;
1463     return Style;
1464   }());
1465 
1466   // Test 9.9: use inheritance from a specific config file.
1467   Style9 = getStyle("file:/e/sub/sub/.clang-format", "/e/sub/sub/code.cpp",
1468                     "none", "", &FS);
1469   ASSERT_TRUE(static_cast<bool>(Style9));
1470   ASSERT_EQ(*Style9, SubSubStyle);
1471 }
1472 
1473 TEST(ConfigParseTest, GetStyleOfSpecificFile) {
1474   llvm::vfs::InMemoryFileSystem FS;
1475   // Specify absolute path to a format file in a parent directory.
1476   ASSERT_TRUE(
1477       FS.addFile("/e/.clang-format", 0,
1478                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1479   ASSERT_TRUE(
1480       FS.addFile("/e/explicit.clang-format", 0,
1481                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1482   ASSERT_TRUE(FS.addFile("/e/sub/sub/sub/test.cpp", 0,
1483                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1484   auto Style = getStyle("file:/e/explicit.clang-format",
1485                         "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1486   ASSERT_TRUE(static_cast<bool>(Style));
1487   ASSERT_EQ(*Style, getGoogleStyle());
1488 
1489   // Specify relative path to a format file.
1490   ASSERT_TRUE(
1491       FS.addFile("../../e/explicit.clang-format", 0,
1492                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1493   Style = getStyle("file:../../e/explicit.clang-format",
1494                    "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1495   ASSERT_TRUE(static_cast<bool>(Style));
1496   ASSERT_EQ(*Style, getGoogleStyle());
1497 
1498   // Specify path to a format file that does not exist.
1499   Style = getStyle("file:/e/missing.clang-format", "/e/sub/sub/sub/test.cpp",
1500                    "LLVM", "", &FS);
1501   ASSERT_FALSE(static_cast<bool>(Style));
1502   llvm::consumeError(Style.takeError());
1503 
1504   // Specify path to a file on the filesystem.
1505   SmallString<128> FormatFilePath;
1506   std::error_code ECF = llvm::sys::fs::createTemporaryFile(
1507       "FormatFileTest", "tpl", FormatFilePath);
1508   EXPECT_FALSE((bool)ECF);
1509   llvm::raw_fd_ostream FormatFileTest(FormatFilePath, ECF);
1510   EXPECT_FALSE((bool)ECF);
1511   FormatFileTest << "BasedOnStyle: Google\n";
1512   FormatFileTest.close();
1513 
1514   SmallString<128> TestFilePath;
1515   std::error_code ECT =
1516       llvm::sys::fs::createTemporaryFile("CodeFileTest", "cc", TestFilePath);
1517   EXPECT_FALSE((bool)ECT);
1518   llvm::raw_fd_ostream CodeFileTest(TestFilePath, ECT);
1519   CodeFileTest << "int i;\n";
1520   CodeFileTest.close();
1521 
1522   std::string format_file_arg = std::string("file:") + FormatFilePath.c_str();
1523   Style = getStyle(format_file_arg, TestFilePath, "LLVM", "", nullptr);
1524 
1525   llvm::sys::fs::remove(FormatFilePath.c_str());
1526   llvm::sys::fs::remove(TestFilePath.c_str());
1527   ASSERT_TRUE(static_cast<bool>(Style));
1528   ASSERT_EQ(*Style, getGoogleStyle());
1529 }
1530 
1531 TEST(ConfigParseTest, GetStyleOutput) {
1532   llvm::vfs::InMemoryFileSystem FS;
1533 
1534   // Don't suppress output.
1535   testing::internal::CaptureStderr();
1536   auto Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1537                         /*AllowUnknownOptions=*/true);
1538   auto Output = testing::internal::GetCapturedStderr();
1539   ASSERT_TRUE((bool)Style);
1540   ASSERT_FALSE(Output.empty());
1541 
1542   // Suppress stderr.
1543   testing::internal::CaptureStderr();
1544   Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1545                    /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1546   Output = testing::internal::GetCapturedStderr();
1547   ASSERT_TRUE((bool)Style);
1548   ASSERT_TRUE(Output.empty());
1549 }
1550 
1551 } // namespace
1552 } // namespace format
1553 } // namespace clang
1554