xref: /llvm-project/clang/unittests/Format/ConfigParseTest.cpp (revision 65688274b14f5d0e7dabbbaf9f3fd135646ef1d1)
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_NESTED_VALUE(TEXT, STRUCT, FIELD, VALUE)                   \
148   EXPECT_NE(VALUE, Style.STRUCT.FIELD) << "Initial value already the same!";   \
149   EXPECT_EQ(0, parseConfiguration(#STRUCT ":\n  " TEXT, &Style).value());      \
150   EXPECT_EQ(VALUE, Style.STRUCT.FIELD) << "Unexpected value after parsing!"
151 
152 TEST(ConfigParseTest, ParsesConfigurationBools) {
153   FormatStyle Style = {};
154   Style.Language = FormatStyle::LK_Cpp;
155   CHECK_PARSE_BOOL(AllowAllArgumentsOnNextLine);
156   CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine);
157   CHECK_PARSE_BOOL(AllowShortCaseExpressionOnASingleLine);
158   CHECK_PARSE_BOOL(AllowShortCaseLabelsOnASingleLine);
159   CHECK_PARSE_BOOL(AllowShortCompoundRequirementOnASingleLine);
160   CHECK_PARSE_BOOL(AllowShortEnumsOnASingleLine);
161   CHECK_PARSE_BOOL(AllowShortLoopsOnASingleLine);
162   CHECK_PARSE_BOOL(BinPackArguments);
163   CHECK_PARSE_BOOL(BreakAdjacentStringLiterals);
164   CHECK_PARSE_BOOL(BreakAfterJavaFieldAnnotations);
165   CHECK_PARSE_BOOL(BreakBeforeTernaryOperators);
166   CHECK_PARSE_BOOL(BreakStringLiterals);
167   CHECK_PARSE_BOOL(CompactNamespaces);
168   CHECK_PARSE_BOOL(DerivePointerAlignment);
169   CHECK_PARSE_BOOL_FIELD(DerivePointerAlignment, "DerivePointerBinding");
170   CHECK_PARSE_BOOL(DisableFormat);
171   CHECK_PARSE_BOOL(IndentAccessModifiers);
172   CHECK_PARSE_BOOL(IndentCaseLabels);
173   CHECK_PARSE_BOOL(IndentCaseBlocks);
174   CHECK_PARSE_BOOL(IndentGotoLabels);
175   CHECK_PARSE_BOOL_FIELD(IndentRequiresClause, "IndentRequires");
176   CHECK_PARSE_BOOL(IndentRequiresClause);
177   CHECK_PARSE_BOOL(IndentWrappedFunctionNames);
178   CHECK_PARSE_BOOL(InsertBraces);
179   CHECK_PARSE_BOOL(InsertNewlineAtEOF);
180   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtEndOfFile, "KeepEmptyLinesAtEOF");
181   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtStartOfBlock,
182                          "KeepEmptyLinesAtTheStartOfBlocks");
183   CHECK_PARSE_BOOL(ObjCSpaceAfterProperty);
184   CHECK_PARSE_BOOL(ObjCSpaceBeforeProtocolList);
185   CHECK_PARSE_BOOL(Cpp11BracedListStyle);
186   CHECK_PARSE_BOOL(ReflowComments);
187   CHECK_PARSE_BOOL(RemoveBracesLLVM);
188   CHECK_PARSE_BOOL(RemoveSemicolon);
189   CHECK_PARSE_BOOL(SkipMacroDefinitionBody);
190   CHECK_PARSE_BOOL(SpacesInSquareBrackets);
191   CHECK_PARSE_BOOL(SpaceInEmptyBlock);
192   CHECK_PARSE_BOOL(SpacesInContainerLiterals);
193   CHECK_PARSE_BOOL(SpaceAfterCStyleCast);
194   CHECK_PARSE_BOOL(SpaceAfterTemplateKeyword);
195   CHECK_PARSE_BOOL(SpaceAfterLogicalNot);
196   CHECK_PARSE_BOOL(SpaceBeforeAssignmentOperators);
197   CHECK_PARSE_BOOL(SpaceBeforeCaseColon);
198   CHECK_PARSE_BOOL(SpaceBeforeCpp11BracedList);
199   CHECK_PARSE_BOOL(SpaceBeforeCtorInitializerColon);
200   CHECK_PARSE_BOOL(SpaceBeforeInheritanceColon);
201   CHECK_PARSE_BOOL(SpaceBeforeJsonColon);
202   CHECK_PARSE_BOOL(SpaceBeforeRangeBasedForLoopColon);
203   CHECK_PARSE_BOOL(SpaceBeforeSquareBrackets);
204   CHECK_PARSE_BOOL(VerilogBreakBetweenInstancePorts);
205 
206   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, Enabled);
207   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements,
208                           AcrossEmptyLines);
209   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AcrossComments);
210   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseArrows);
211   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseColons);
212   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterCaseLabel);
213   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterClass);
214   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterEnum);
215   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterFunction);
216   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterNamespace);
217   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterObjCDeclaration);
218   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterStruct);
219   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterUnion);
220   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterExternBlock);
221   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeCatch);
222   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeElse);
223   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeLambdaBody);
224   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeWhile);
225   CHECK_PARSE_NESTED_BOOL(BraceWrapping, IndentBraces);
226   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyFunction);
227   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyRecord);
228   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyNamespace);
229   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtEndOfFile);
230   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfBlock);
231   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfFile);
232   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterControlStatements);
233   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterForeachMacros);
234   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
235                           AfterFunctionDeclarationName);
236   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
237                           AfterFunctionDefinitionName);
238   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterIfMacros);
239   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterOverloadedOperator);
240   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterPlacementOperator);
241   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, BeforeNonEmptyParentheses);
242   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, ExceptDoubleParentheses);
243   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InCStyleCasts);
244   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InConditionalStatements);
245   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InEmptyParentheses);
246   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, Other);
247 }
248 
249 #undef CHECK_PARSE_BOOL
250 
251 TEST(ConfigParseTest, ParsesConfiguration) {
252   FormatStyle Style = {};
253   Style.Language = FormatStyle::LK_Cpp;
254   CHECK_PARSE("AccessModifierOffset: -1234", AccessModifierOffset, -1234);
255   CHECK_PARSE("ConstructorInitializerIndentWidth: 1234",
256               ConstructorInitializerIndentWidth, 1234u);
257   CHECK_PARSE("ObjCBlockIndentWidth: 1234", ObjCBlockIndentWidth, 1234u);
258   CHECK_PARSE("ColumnLimit: 1234", ColumnLimit, 1234u);
259   CHECK_PARSE("MaxEmptyLinesToKeep: 1234", MaxEmptyLinesToKeep, 1234u);
260   CHECK_PARSE("PenaltyBreakAssignment: 1234", PenaltyBreakAssignment, 1234u);
261   CHECK_PARSE("PenaltyBreakBeforeFirstCallParameter: 1234",
262               PenaltyBreakBeforeFirstCallParameter, 1234u);
263   CHECK_PARSE("PenaltyBreakTemplateDeclaration: 1234",
264               PenaltyBreakTemplateDeclaration, 1234u);
265   CHECK_PARSE("PenaltyBreakOpenParenthesis: 1234", PenaltyBreakOpenParenthesis,
266               1234u);
267   CHECK_PARSE("PenaltyBreakScopeResolution: 1234", PenaltyBreakScopeResolution,
268               1234u);
269   CHECK_PARSE("PenaltyExcessCharacter: 1234", PenaltyExcessCharacter, 1234u);
270   CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234",
271               PenaltyReturnTypeOnItsOwnLine, 1234u);
272   CHECK_PARSE("SpacesBeforeTrailingComments: 1234",
273               SpacesBeforeTrailingComments, 1234u);
274   CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
275   CHECK_PARSE("ContinuationIndentWidth: 11", ContinuationIndentWidth, 11u);
276   CHECK_PARSE("BracedInitializerIndentWidth: 34", BracedInitializerIndentWidth,
277               34);
278   CHECK_PARSE("CommentPragmas: '// abc$'", CommentPragmas, "// abc$");
279 
280   Style.QualifierAlignment = FormatStyle::QAS_Right;
281   CHECK_PARSE("QualifierAlignment: Leave", QualifierAlignment,
282               FormatStyle::QAS_Leave);
283   CHECK_PARSE("QualifierAlignment: Right", QualifierAlignment,
284               FormatStyle::QAS_Right);
285   CHECK_PARSE("QualifierAlignment: Left", QualifierAlignment,
286               FormatStyle::QAS_Left);
287   CHECK_PARSE("QualifierAlignment: Custom", QualifierAlignment,
288               FormatStyle::QAS_Custom);
289 
290   Style.QualifierOrder.clear();
291   CHECK_PARSE("QualifierOrder: [ const, volatile, type ]", QualifierOrder,
292               std::vector<std::string>({"const", "volatile", "type"}));
293   Style.QualifierOrder.clear();
294   CHECK_PARSE("QualifierOrder: [const, type]", QualifierOrder,
295               std::vector<std::string>({"const", "type"}));
296   Style.QualifierOrder.clear();
297   CHECK_PARSE("QualifierOrder: [volatile, type]", QualifierOrder,
298               std::vector<std::string>({"volatile", "type"}));
299 
300 #define CHECK_ALIGN_CONSECUTIVE(FIELD)                                         \
301   do {                                                                         \
302     Style.FIELD.Enabled = true;                                                \
303     CHECK_PARSE(#FIELD ": None", FIELD,                                        \
304                 FormatStyle::AlignConsecutiveStyle({}));                       \
305     CHECK_PARSE(                                                               \
306         #FIELD ": Consecutive", FIELD,                                         \
307         FormatStyle::AlignConsecutiveStyle(                                    \
308             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
309              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
310              /*AlignFunctionDeclarations=*/true,                               \
311              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
312     CHECK_PARSE(                                                               \
313         #FIELD ": AcrossEmptyLines", FIELD,                                    \
314         FormatStyle::AlignConsecutiveStyle(                                    \
315             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
316              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
317              /*AlignFunctionDeclarations=*/true,                               \
318              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
319     CHECK_PARSE(                                                               \
320         #FIELD ": AcrossComments", FIELD,                                      \
321         FormatStyle::AlignConsecutiveStyle(                                    \
322             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
323              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
324              /*AlignFunctionDeclarations=*/true,                               \
325              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
326     CHECK_PARSE(                                                               \
327         #FIELD ": AcrossEmptyLinesAndComments", FIELD,                         \
328         FormatStyle::AlignConsecutiveStyle(                                    \
329             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
330              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
331              /*AlignFunctionDeclarations=*/true,                               \
332              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
333     /* For backwards compability, false / true should still parse */           \
334     CHECK_PARSE(#FIELD ": false", FIELD,                                       \
335                 FormatStyle::AlignConsecutiveStyle({}));                       \
336     CHECK_PARSE(                                                               \
337         #FIELD ": true", FIELD,                                                \
338         FormatStyle::AlignConsecutiveStyle(                                    \
339             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
340              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
341              /*AlignFunctionDeclarations=*/true,                               \
342              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
343                                                                                \
344     CHECK_PARSE_NESTED_BOOL(FIELD, Enabled);                                   \
345     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossEmptyLines);                          \
346     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossComments);                            \
347     CHECK_PARSE_NESTED_BOOL(FIELD, AlignCompound);                             \
348     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionDeclarations);                 \
349     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionPointers);                     \
350     CHECK_PARSE_NESTED_BOOL(FIELD, PadOperators);                              \
351   } while (false)
352 
353   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveAssignments);
354   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveBitFields);
355   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveMacros);
356   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveDeclarations);
357 
358 #undef CHECK_ALIGN_CONSECUTIVE
359 
360   Style.PointerAlignment = FormatStyle::PAS_Middle;
361   CHECK_PARSE("PointerAlignment: Left", PointerAlignment,
362               FormatStyle::PAS_Left);
363   CHECK_PARSE("PointerAlignment: Right", PointerAlignment,
364               FormatStyle::PAS_Right);
365   CHECK_PARSE("PointerAlignment: Middle", PointerAlignment,
366               FormatStyle::PAS_Middle);
367   Style.ReferenceAlignment = FormatStyle::RAS_Middle;
368   CHECK_PARSE("ReferenceAlignment: Pointer", ReferenceAlignment,
369               FormatStyle::RAS_Pointer);
370   CHECK_PARSE("ReferenceAlignment: Left", ReferenceAlignment,
371               FormatStyle::RAS_Left);
372   CHECK_PARSE("ReferenceAlignment: Right", ReferenceAlignment,
373               FormatStyle::RAS_Right);
374   CHECK_PARSE("ReferenceAlignment: Middle", ReferenceAlignment,
375               FormatStyle::RAS_Middle);
376   // For backward compatibility:
377   CHECK_PARSE("PointerBindsToType: Left", PointerAlignment,
378               FormatStyle::PAS_Left);
379   CHECK_PARSE("PointerBindsToType: Right", PointerAlignment,
380               FormatStyle::PAS_Right);
381   CHECK_PARSE("PointerBindsToType: Middle", PointerAlignment,
382               FormatStyle::PAS_Middle);
383 
384   Style.Standard = FormatStyle::LS_Auto;
385   CHECK_PARSE("Standard: c++03", Standard, FormatStyle::LS_Cpp03);
386   CHECK_PARSE("Standard: c++11", Standard, FormatStyle::LS_Cpp11);
387   CHECK_PARSE("Standard: c++14", Standard, FormatStyle::LS_Cpp14);
388   CHECK_PARSE("Standard: c++17", Standard, FormatStyle::LS_Cpp17);
389   CHECK_PARSE("Standard: c++20", Standard, FormatStyle::LS_Cpp20);
390   CHECK_PARSE("Standard: Auto", Standard, FormatStyle::LS_Auto);
391   CHECK_PARSE("Standard: Latest", Standard, FormatStyle::LS_Latest);
392   // Legacy aliases:
393   CHECK_PARSE("Standard: Cpp03", Standard, FormatStyle::LS_Cpp03);
394   CHECK_PARSE("Standard: Cpp11", Standard, FormatStyle::LS_Latest);
395   CHECK_PARSE("Standard: C++03", Standard, FormatStyle::LS_Cpp03);
396   CHECK_PARSE("Standard: C++11", Standard, FormatStyle::LS_Cpp11);
397 
398   Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All;
399   CHECK_PARSE("BreakBeforeBinaryOperators: NonAssignment",
400               BreakBeforeBinaryOperators, FormatStyle::BOS_NonAssignment);
401   CHECK_PARSE("BreakBeforeBinaryOperators: None", BreakBeforeBinaryOperators,
402               FormatStyle::BOS_None);
403   CHECK_PARSE("BreakBeforeBinaryOperators: All", BreakBeforeBinaryOperators,
404               FormatStyle::BOS_All);
405   // For backward compatibility:
406   CHECK_PARSE("BreakBeforeBinaryOperators: false", BreakBeforeBinaryOperators,
407               FormatStyle::BOS_None);
408   CHECK_PARSE("BreakBeforeBinaryOperators: true", BreakBeforeBinaryOperators,
409               FormatStyle::BOS_All);
410 
411   Style.BreakBinaryOperations = FormatStyle::BBO_Never;
412   CHECK_PARSE("BreakBinaryOperations: OnePerLine", BreakBinaryOperations,
413               FormatStyle::BBO_OnePerLine);
414   CHECK_PARSE("BreakBinaryOperations: RespectPrecedence", BreakBinaryOperations,
415               FormatStyle::BBO_RespectPrecedence);
416   CHECK_PARSE("BreakBinaryOperations: Never", BreakBinaryOperations,
417               FormatStyle::BBO_Never);
418 
419   Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon;
420   CHECK_PARSE("BreakConstructorInitializers: BeforeComma",
421               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
422   CHECK_PARSE("BreakConstructorInitializers: AfterColon",
423               BreakConstructorInitializers, FormatStyle::BCIS_AfterColon);
424   CHECK_PARSE("BreakConstructorInitializers: BeforeColon",
425               BreakConstructorInitializers, FormatStyle::BCIS_BeforeColon);
426   // For backward compatibility:
427   CHECK_PARSE("BreakConstructorInitializersBeforeComma: true",
428               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
429 
430   Style.BreakInheritanceList = FormatStyle::BILS_BeforeColon;
431   CHECK_PARSE("BreakInheritanceList: AfterComma", BreakInheritanceList,
432               FormatStyle::BILS_AfterComma);
433   CHECK_PARSE("BreakInheritanceList: BeforeComma", BreakInheritanceList,
434               FormatStyle::BILS_BeforeComma);
435   CHECK_PARSE("BreakInheritanceList: AfterColon", BreakInheritanceList,
436               FormatStyle::BILS_AfterColon);
437   CHECK_PARSE("BreakInheritanceList: BeforeColon", BreakInheritanceList,
438               FormatStyle::BILS_BeforeColon);
439   // For backward compatibility:
440   CHECK_PARSE("BreakBeforeInheritanceComma: true", BreakInheritanceList,
441               FormatStyle::BILS_BeforeComma);
442 
443   Style.BinPackParameters = FormatStyle::BPPS_OnePerLine;
444   CHECK_PARSE("BinPackParameters: BinPack", BinPackParameters,
445               FormatStyle::BPPS_BinPack);
446   CHECK_PARSE("BinPackParameters: OnePerLine", BinPackParameters,
447               FormatStyle::BPPS_OnePerLine);
448   CHECK_PARSE("BinPackParameters: AlwaysOnePerLine", BinPackParameters,
449               FormatStyle::BPPS_AlwaysOnePerLine);
450   // For backward compatibility.
451   CHECK_PARSE("BinPackParameters: true", BinPackParameters,
452               FormatStyle::BPPS_BinPack);
453   CHECK_PARSE("BinPackParameters: false", BinPackParameters,
454               FormatStyle::BPPS_OnePerLine);
455 
456   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
457   CHECK_PARSE("PackConstructorInitializers: Never", PackConstructorInitializers,
458               FormatStyle::PCIS_Never);
459   CHECK_PARSE("PackConstructorInitializers: BinPack",
460               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
461   CHECK_PARSE("PackConstructorInitializers: CurrentLine",
462               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
463   CHECK_PARSE("PackConstructorInitializers: NextLine",
464               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
465   CHECK_PARSE("PackConstructorInitializers: NextLineOnly",
466               PackConstructorInitializers, FormatStyle::PCIS_NextLineOnly);
467   // For backward compatibility:
468   CHECK_PARSE("BasedOnStyle: Google\n"
469               "ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
470               "AllowAllConstructorInitializersOnNextLine: false",
471               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
472   Style.PackConstructorInitializers = FormatStyle::PCIS_NextLine;
473   CHECK_PARSE("BasedOnStyle: Google\n"
474               "ConstructorInitializerAllOnOneLineOrOnePerLine: false",
475               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
476   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
477               "AllowAllConstructorInitializersOnNextLine: true",
478               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
479   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
480   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
481               "AllowAllConstructorInitializersOnNextLine: false",
482               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
483 
484   Style.EmptyLineBeforeAccessModifier = FormatStyle::ELBAMS_LogicalBlock;
485   CHECK_PARSE("EmptyLineBeforeAccessModifier: Never",
486               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Never);
487   CHECK_PARSE("EmptyLineBeforeAccessModifier: Leave",
488               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Leave);
489   CHECK_PARSE("EmptyLineBeforeAccessModifier: LogicalBlock",
490               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_LogicalBlock);
491   CHECK_PARSE("EmptyLineBeforeAccessModifier: Always",
492               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Always);
493 
494   Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
495   CHECK_PARSE("AlignAfterOpenBracket: Align", AlignAfterOpenBracket,
496               FormatStyle::BAS_Align);
497   CHECK_PARSE("AlignAfterOpenBracket: DontAlign", AlignAfterOpenBracket,
498               FormatStyle::BAS_DontAlign);
499   CHECK_PARSE("AlignAfterOpenBracket: AlwaysBreak", AlignAfterOpenBracket,
500               FormatStyle::BAS_AlwaysBreak);
501   CHECK_PARSE("AlignAfterOpenBracket: BlockIndent", AlignAfterOpenBracket,
502               FormatStyle::BAS_BlockIndent);
503   // For backward compatibility:
504   CHECK_PARSE("AlignAfterOpenBracket: false", AlignAfterOpenBracket,
505               FormatStyle::BAS_DontAlign);
506   CHECK_PARSE("AlignAfterOpenBracket: true", AlignAfterOpenBracket,
507               FormatStyle::BAS_Align);
508 
509   Style.AlignEscapedNewlines = FormatStyle::ENAS_Left;
510   CHECK_PARSE("AlignEscapedNewlines: DontAlign", AlignEscapedNewlines,
511               FormatStyle::ENAS_DontAlign);
512   CHECK_PARSE("AlignEscapedNewlines: Left", AlignEscapedNewlines,
513               FormatStyle::ENAS_Left);
514   CHECK_PARSE("AlignEscapedNewlines: LeftWithLastLine", AlignEscapedNewlines,
515               FormatStyle::ENAS_LeftWithLastLine);
516   CHECK_PARSE("AlignEscapedNewlines: Right", AlignEscapedNewlines,
517               FormatStyle::ENAS_Right);
518   // For backward compatibility:
519   CHECK_PARSE("AlignEscapedNewlinesLeft: true", AlignEscapedNewlines,
520               FormatStyle::ENAS_Left);
521   CHECK_PARSE("AlignEscapedNewlinesLeft: false", AlignEscapedNewlines,
522               FormatStyle::ENAS_Right);
523 
524   Style.AlignOperands = FormatStyle::OAS_Align;
525   CHECK_PARSE("AlignOperands: DontAlign", AlignOperands,
526               FormatStyle::OAS_DontAlign);
527   CHECK_PARSE("AlignOperands: Align", AlignOperands, FormatStyle::OAS_Align);
528   CHECK_PARSE("AlignOperands: AlignAfterOperator", AlignOperands,
529               FormatStyle::OAS_AlignAfterOperator);
530   // For backward compatibility:
531   CHECK_PARSE("AlignOperands: false", AlignOperands,
532               FormatStyle::OAS_DontAlign);
533   CHECK_PARSE("AlignOperands: true", AlignOperands, FormatStyle::OAS_Align);
534 
535   CHECK_PARSE("AlignTrailingComments: Leave", AlignTrailingComments,
536               FormatStyle::TrailingCommentsAlignmentStyle(
537                   {FormatStyle::TCAS_Leave, 0}));
538   CHECK_PARSE("AlignTrailingComments: Always", AlignTrailingComments,
539               FormatStyle::TrailingCommentsAlignmentStyle(
540                   {FormatStyle::TCAS_Always, 0}));
541   CHECK_PARSE("AlignTrailingComments: Never", AlignTrailingComments,
542               FormatStyle::TrailingCommentsAlignmentStyle(
543                   {FormatStyle::TCAS_Never, 0}));
544   // For backwards compatibility
545   CHECK_PARSE("AlignTrailingComments: true", AlignTrailingComments,
546               FormatStyle::TrailingCommentsAlignmentStyle(
547                   {FormatStyle::TCAS_Always, 0}));
548   CHECK_PARSE("AlignTrailingComments: false", AlignTrailingComments,
549               FormatStyle::TrailingCommentsAlignmentStyle(
550                   {FormatStyle::TCAS_Never, 0}));
551   CHECK_PARSE_NESTED_VALUE("Kind: Always", AlignTrailingComments, Kind,
552                            FormatStyle::TCAS_Always);
553   CHECK_PARSE_NESTED_VALUE("Kind: Never", AlignTrailingComments, Kind,
554                            FormatStyle::TCAS_Never);
555   CHECK_PARSE_NESTED_VALUE("Kind: Leave", AlignTrailingComments, Kind,
556                            FormatStyle::TCAS_Leave);
557   CHECK_PARSE_NESTED_VALUE("OverEmptyLines: 1234", AlignTrailingComments,
558                            OverEmptyLines, 1234u);
559 
560   Style.UseTab = FormatStyle::UT_ForIndentation;
561   CHECK_PARSE("UseTab: Never", UseTab, FormatStyle::UT_Never);
562   CHECK_PARSE("UseTab: ForIndentation", UseTab, FormatStyle::UT_ForIndentation);
563   CHECK_PARSE("UseTab: Always", UseTab, FormatStyle::UT_Always);
564   CHECK_PARSE("UseTab: ForContinuationAndIndentation", UseTab,
565               FormatStyle::UT_ForContinuationAndIndentation);
566   CHECK_PARSE("UseTab: AlignWithSpaces", UseTab,
567               FormatStyle::UT_AlignWithSpaces);
568   // For backward compatibility:
569   CHECK_PARSE("UseTab: false", UseTab, FormatStyle::UT_Never);
570   CHECK_PARSE("UseTab: true", UseTab, FormatStyle::UT_Always);
571 
572   Style.AllowShortBlocksOnASingleLine = FormatStyle::SBS_Empty;
573   CHECK_PARSE("AllowShortBlocksOnASingleLine: Never",
574               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
575   CHECK_PARSE("AllowShortBlocksOnASingleLine: Empty",
576               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Empty);
577   CHECK_PARSE("AllowShortBlocksOnASingleLine: Always",
578               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
579   // For backward compatibility:
580   CHECK_PARSE("AllowShortBlocksOnASingleLine: false",
581               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
582   CHECK_PARSE("AllowShortBlocksOnASingleLine: true",
583               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
584 
585   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
586   CHECK_PARSE("AllowShortFunctionsOnASingleLine: None",
587               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
588   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Inline",
589               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Inline);
590   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Empty",
591               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Empty);
592   CHECK_PARSE("AllowShortFunctionsOnASingleLine: All",
593               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
594   // For backward compatibility:
595   CHECK_PARSE("AllowShortFunctionsOnASingleLine: false",
596               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
597   CHECK_PARSE("AllowShortFunctionsOnASingleLine: true",
598               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
599 
600   Style.AllowShortLambdasOnASingleLine = FormatStyle::SLS_All;
601   CHECK_PARSE("AllowShortLambdasOnASingleLine: None",
602               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
603   CHECK_PARSE("AllowShortLambdasOnASingleLine: Empty",
604               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Empty);
605   CHECK_PARSE("AllowShortLambdasOnASingleLine: Inline",
606               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Inline);
607   CHECK_PARSE("AllowShortLambdasOnASingleLine: All",
608               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
609   // For backward compatibility:
610   CHECK_PARSE("AllowShortLambdasOnASingleLine: false",
611               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
612   CHECK_PARSE("AllowShortLambdasOnASingleLine: true",
613               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
614 
615   Style.SpaceAroundPointerQualifiers = FormatStyle::SAPQ_Both;
616   CHECK_PARSE("SpaceAroundPointerQualifiers: Default",
617               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Default);
618   CHECK_PARSE("SpaceAroundPointerQualifiers: Before",
619               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Before);
620   CHECK_PARSE("SpaceAroundPointerQualifiers: After",
621               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_After);
622   CHECK_PARSE("SpaceAroundPointerQualifiers: Both",
623               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Both);
624 
625   Style.SpaceBeforeParens = FormatStyle::SBPO_Always;
626   CHECK_PARSE("SpaceBeforeParens: Never", SpaceBeforeParens,
627               FormatStyle::SBPO_Never);
628   CHECK_PARSE("SpaceBeforeParens: Always", SpaceBeforeParens,
629               FormatStyle::SBPO_Always);
630   CHECK_PARSE("SpaceBeforeParens: ControlStatements", SpaceBeforeParens,
631               FormatStyle::SBPO_ControlStatements);
632   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptControlMacros",
633               SpaceBeforeParens,
634               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
635   CHECK_PARSE("SpaceBeforeParens: NonEmptyParentheses", SpaceBeforeParens,
636               FormatStyle::SBPO_NonEmptyParentheses);
637   CHECK_PARSE("SpaceBeforeParens: Custom", SpaceBeforeParens,
638               FormatStyle::SBPO_Custom);
639   // For backward compatibility:
640   CHECK_PARSE("SpaceAfterControlStatementKeyword: false", SpaceBeforeParens,
641               FormatStyle::SBPO_Never);
642   CHECK_PARSE("SpaceAfterControlStatementKeyword: true", SpaceBeforeParens,
643               FormatStyle::SBPO_ControlStatements);
644   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptForEachMacros",
645               SpaceBeforeParens,
646               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
647 
648   // For backward compatibility:
649   Style.SpacesInParens = FormatStyle::SIPO_Never;
650   Style.SpacesInParensOptions = {};
651   CHECK_PARSE("SpacesInParentheses: true", SpacesInParens,
652               FormatStyle::SIPO_Custom);
653   Style.SpacesInParens = FormatStyle::SIPO_Never;
654   Style.SpacesInParensOptions = {};
655   CHECK_PARSE(
656       "SpacesInParentheses: true", SpacesInParensOptions,
657       FormatStyle::SpacesInParensCustom(false, true, false, false, true));
658   Style.SpacesInParens = FormatStyle::SIPO_Never;
659   Style.SpacesInParensOptions = {};
660   CHECK_PARSE(
661       "SpacesInConditionalStatement: true", SpacesInParensOptions,
662       FormatStyle::SpacesInParensCustom(false, true, false, false, false));
663   Style.SpacesInParens = FormatStyle::SIPO_Never;
664   Style.SpacesInParensOptions = {};
665   CHECK_PARSE(
666       "SpacesInCStyleCastParentheses: true", SpacesInParensOptions,
667       FormatStyle::SpacesInParensCustom(false, false, true, false, false));
668   Style.SpacesInParens = FormatStyle::SIPO_Never;
669   Style.SpacesInParensOptions = {};
670   CHECK_PARSE(
671       "SpaceInEmptyParentheses: true", SpacesInParensOptions,
672       FormatStyle::SpacesInParensCustom(false, false, false, true, false));
673   Style.SpacesInParens = FormatStyle::SIPO_Never;
674   Style.SpacesInParensOptions = {};
675 
676   Style.ColumnLimit = 123;
677   FormatStyle BaseStyle = getLLVMStyle();
678   CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);
679   CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234", ColumnLimit, 1234u);
680 
681   Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
682   CHECK_PARSE("BreakBeforeBraces: Attach", BreakBeforeBraces,
683               FormatStyle::BS_Attach);
684   CHECK_PARSE("BreakBeforeBraces: Linux", BreakBeforeBraces,
685               FormatStyle::BS_Linux);
686   CHECK_PARSE("BreakBeforeBraces: Mozilla", BreakBeforeBraces,
687               FormatStyle::BS_Mozilla);
688   CHECK_PARSE("BreakBeforeBraces: Stroustrup", BreakBeforeBraces,
689               FormatStyle::BS_Stroustrup);
690   CHECK_PARSE("BreakBeforeBraces: Allman", BreakBeforeBraces,
691               FormatStyle::BS_Allman);
692   CHECK_PARSE("BreakBeforeBraces: Whitesmiths", BreakBeforeBraces,
693               FormatStyle::BS_Whitesmiths);
694   CHECK_PARSE("BreakBeforeBraces: GNU", BreakBeforeBraces, FormatStyle::BS_GNU);
695   CHECK_PARSE("BreakBeforeBraces: WebKit", BreakBeforeBraces,
696               FormatStyle::BS_WebKit);
697   CHECK_PARSE("BreakBeforeBraces: Custom", BreakBeforeBraces,
698               FormatStyle::BS_Custom);
699 
700   Style.BraceWrapping.AfterControlStatement = FormatStyle::BWACS_Never;
701   CHECK_PARSE("BraceWrapping:\n"
702               "  AfterControlStatement: MultiLine",
703               BraceWrapping.AfterControlStatement,
704               FormatStyle::BWACS_MultiLine);
705   CHECK_PARSE("BraceWrapping:\n"
706               "  AfterControlStatement: Always",
707               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
708   CHECK_PARSE("BraceWrapping:\n"
709               "  AfterControlStatement: Never",
710               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
711   // For backward compatibility:
712   CHECK_PARSE("BraceWrapping:\n"
713               "  AfterControlStatement: true",
714               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
715   CHECK_PARSE("BraceWrapping:\n"
716               "  AfterControlStatement: false",
717               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
718 
719   Style.BreakAfterReturnType = FormatStyle::RTBS_All;
720   CHECK_PARSE("BreakAfterReturnType: None", BreakAfterReturnType,
721               FormatStyle::RTBS_None);
722   CHECK_PARSE("BreakAfterReturnType: Automatic", BreakAfterReturnType,
723               FormatStyle::RTBS_Automatic);
724   CHECK_PARSE("BreakAfterReturnType: ExceptShortType", BreakAfterReturnType,
725               FormatStyle::RTBS_ExceptShortType);
726   CHECK_PARSE("BreakAfterReturnType: All", BreakAfterReturnType,
727               FormatStyle::RTBS_All);
728   CHECK_PARSE("BreakAfterReturnType: TopLevel", BreakAfterReturnType,
729               FormatStyle::RTBS_TopLevel);
730   CHECK_PARSE("BreakAfterReturnType: AllDefinitions", BreakAfterReturnType,
731               FormatStyle::RTBS_AllDefinitions);
732   CHECK_PARSE("BreakAfterReturnType: TopLevelDefinitions", BreakAfterReturnType,
733               FormatStyle::RTBS_TopLevelDefinitions);
734   // For backward compatibility:
735   CHECK_PARSE("AlwaysBreakAfterReturnType: None", BreakAfterReturnType,
736               FormatStyle::RTBS_None);
737   CHECK_PARSE("AlwaysBreakAfterReturnType: Automatic", BreakAfterReturnType,
738               FormatStyle::RTBS_Automatic);
739   CHECK_PARSE("AlwaysBreakAfterReturnType: ExceptShortType",
740               BreakAfterReturnType, FormatStyle::RTBS_ExceptShortType);
741   CHECK_PARSE("AlwaysBreakAfterReturnType: All", BreakAfterReturnType,
742               FormatStyle::RTBS_All);
743   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel", BreakAfterReturnType,
744               FormatStyle::RTBS_TopLevel);
745   CHECK_PARSE("AlwaysBreakAfterReturnType: AllDefinitions",
746               BreakAfterReturnType, FormatStyle::RTBS_AllDefinitions);
747   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevelDefinitions",
748               BreakAfterReturnType, FormatStyle::RTBS_TopLevelDefinitions);
749 
750   Style.BreakTemplateDeclarations = FormatStyle::BTDS_Yes;
751   CHECK_PARSE("BreakTemplateDeclarations: Leave", BreakTemplateDeclarations,
752               FormatStyle::BTDS_Leave);
753   CHECK_PARSE("BreakTemplateDeclarations: No", BreakTemplateDeclarations,
754               FormatStyle::BTDS_No);
755   CHECK_PARSE("BreakTemplateDeclarations: MultiLine", BreakTemplateDeclarations,
756               FormatStyle::BTDS_MultiLine);
757   CHECK_PARSE("BreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
758               FormatStyle::BTDS_Yes);
759   CHECK_PARSE("BreakTemplateDeclarations: false", BreakTemplateDeclarations,
760               FormatStyle::BTDS_MultiLine);
761   CHECK_PARSE("BreakTemplateDeclarations: true", BreakTemplateDeclarations,
762               FormatStyle::BTDS_Yes);
763   // For backward compatibility:
764   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Leave",
765               BreakTemplateDeclarations, FormatStyle::BTDS_Leave);
766   CHECK_PARSE("AlwaysBreakTemplateDeclarations: No", BreakTemplateDeclarations,
767               FormatStyle::BTDS_No);
768   CHECK_PARSE("AlwaysBreakTemplateDeclarations: MultiLine",
769               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
770   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
771               FormatStyle::BTDS_Yes);
772   CHECK_PARSE("AlwaysBreakTemplateDeclarations: false",
773               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
774   CHECK_PARSE("AlwaysBreakTemplateDeclarations: true",
775               BreakTemplateDeclarations, FormatStyle::BTDS_Yes);
776 
777   Style.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_All;
778   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: None",
779               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_None);
780   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: All",
781               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_All);
782   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: TopLevel",
783               AlwaysBreakAfterDefinitionReturnType,
784               FormatStyle::DRTBS_TopLevel);
785 
786   Style.NamespaceIndentation = FormatStyle::NI_All;
787   CHECK_PARSE("NamespaceIndentation: None", NamespaceIndentation,
788               FormatStyle::NI_None);
789   CHECK_PARSE("NamespaceIndentation: Inner", NamespaceIndentation,
790               FormatStyle::NI_Inner);
791   CHECK_PARSE("NamespaceIndentation: All", NamespaceIndentation,
792               FormatStyle::NI_All);
793 
794   Style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_OnlyFirstIf;
795   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Never",
796               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
797   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: WithoutElse",
798               AllowShortIfStatementsOnASingleLine,
799               FormatStyle::SIS_WithoutElse);
800   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: OnlyFirstIf",
801               AllowShortIfStatementsOnASingleLine,
802               FormatStyle::SIS_OnlyFirstIf);
803   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: AllIfsAndElse",
804               AllowShortIfStatementsOnASingleLine,
805               FormatStyle::SIS_AllIfsAndElse);
806   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Always",
807               AllowShortIfStatementsOnASingleLine,
808               FormatStyle::SIS_OnlyFirstIf);
809   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: false",
810               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
811   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: true",
812               AllowShortIfStatementsOnASingleLine,
813               FormatStyle::SIS_WithoutElse);
814 
815   Style.IndentExternBlock = FormatStyle::IEBS_NoIndent;
816   CHECK_PARSE("IndentExternBlock: AfterExternBlock", IndentExternBlock,
817               FormatStyle::IEBS_AfterExternBlock);
818   CHECK_PARSE("IndentExternBlock: Indent", IndentExternBlock,
819               FormatStyle::IEBS_Indent);
820   CHECK_PARSE("IndentExternBlock: NoIndent", IndentExternBlock,
821               FormatStyle::IEBS_NoIndent);
822   CHECK_PARSE("IndentExternBlock: true", IndentExternBlock,
823               FormatStyle::IEBS_Indent);
824   CHECK_PARSE("IndentExternBlock: false", IndentExternBlock,
825               FormatStyle::IEBS_NoIndent);
826 
827   Style.BitFieldColonSpacing = FormatStyle::BFCS_None;
828   CHECK_PARSE("BitFieldColonSpacing: Both", BitFieldColonSpacing,
829               FormatStyle::BFCS_Both);
830   CHECK_PARSE("BitFieldColonSpacing: None", BitFieldColonSpacing,
831               FormatStyle::BFCS_None);
832   CHECK_PARSE("BitFieldColonSpacing: Before", BitFieldColonSpacing,
833               FormatStyle::BFCS_Before);
834   CHECK_PARSE("BitFieldColonSpacing: After", BitFieldColonSpacing,
835               FormatStyle::BFCS_After);
836 
837   Style.SortJavaStaticImport = FormatStyle::SJSIO_Before;
838   CHECK_PARSE("SortJavaStaticImport: After", SortJavaStaticImport,
839               FormatStyle::SJSIO_After);
840   CHECK_PARSE("SortJavaStaticImport: Before", SortJavaStaticImport,
841               FormatStyle::SJSIO_Before);
842 
843   Style.SortUsingDeclarations = FormatStyle::SUD_LexicographicNumeric;
844   CHECK_PARSE("SortUsingDeclarations: Never", SortUsingDeclarations,
845               FormatStyle::SUD_Never);
846   CHECK_PARSE("SortUsingDeclarations: Lexicographic", SortUsingDeclarations,
847               FormatStyle::SUD_Lexicographic);
848   CHECK_PARSE("SortUsingDeclarations: LexicographicNumeric",
849               SortUsingDeclarations, FormatStyle::SUD_LexicographicNumeric);
850   // For backward compatibility:
851   CHECK_PARSE("SortUsingDeclarations: false", SortUsingDeclarations,
852               FormatStyle::SUD_Never);
853   CHECK_PARSE("SortUsingDeclarations: true", SortUsingDeclarations,
854               FormatStyle::SUD_LexicographicNumeric);
855 
856   // FIXME: This is required because parsing a configuration simply overwrites
857   // the first N elements of the list instead of resetting it.
858   Style.ForEachMacros.clear();
859   std::vector<std::string> BoostForeach;
860   BoostForeach.push_back("BOOST_FOREACH");
861   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH]", ForEachMacros, BoostForeach);
862   std::vector<std::string> BoostAndQForeach;
863   BoostAndQForeach.push_back("BOOST_FOREACH");
864   BoostAndQForeach.push_back("Q_FOREACH");
865   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH, Q_FOREACH]", ForEachMacros,
866               BoostAndQForeach);
867 
868   Style.IfMacros.clear();
869   std::vector<std::string> CustomIfs;
870   CustomIfs.push_back("MYIF");
871   CHECK_PARSE("IfMacros: [MYIF]", IfMacros, CustomIfs);
872 
873   Style.AttributeMacros.clear();
874   CHECK_PARSE("BasedOnStyle: LLVM", AttributeMacros,
875               std::vector<std::string>{"__capability"});
876   CHECK_PARSE("AttributeMacros: [attr1, attr2]", AttributeMacros,
877               std::vector<std::string>({"attr1", "attr2"}));
878 
879   Style.StatementAttributeLikeMacros.clear();
880   CHECK_PARSE("StatementAttributeLikeMacros: [emit,Q_EMIT]",
881               StatementAttributeLikeMacros,
882               std::vector<std::string>({"emit", "Q_EMIT"}));
883 
884   Style.StatementMacros.clear();
885   CHECK_PARSE("StatementMacros: [QUNUSED]", StatementMacros,
886               std::vector<std::string>{"QUNUSED"});
887   CHECK_PARSE("StatementMacros: [QUNUSED, QT_REQUIRE_VERSION]", StatementMacros,
888               std::vector<std::string>({"QUNUSED", "QT_REQUIRE_VERSION"}));
889 
890   Style.NamespaceMacros.clear();
891   CHECK_PARSE("NamespaceMacros: [TESTSUITE]", NamespaceMacros,
892               std::vector<std::string>{"TESTSUITE"});
893   CHECK_PARSE("NamespaceMacros: [TESTSUITE, SUITE]", NamespaceMacros,
894               std::vector<std::string>({"TESTSUITE", "SUITE"}));
895 
896   Style.WhitespaceSensitiveMacros.clear();
897   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE]",
898               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
899   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE, ASSERT]",
900               WhitespaceSensitiveMacros,
901               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
902   Style.WhitespaceSensitiveMacros.clear();
903   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE']",
904               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
905   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE', 'ASSERT']",
906               WhitespaceSensitiveMacros,
907               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
908 
909   Style.IncludeStyle.IncludeCategories.clear();
910   std::vector<tooling::IncludeStyle::IncludeCategory> ExpectedCategories = {
911       {"abc/.*", 2, 0, false}, {".*", 1, 0, true}};
912   CHECK_PARSE("IncludeCategories:\n"
913               "  - Regex: abc/.*\n"
914               "    Priority: 2\n"
915               "  - Regex: .*\n"
916               "    Priority: 1\n"
917               "    CaseSensitive: true",
918               IncludeStyle.IncludeCategories, ExpectedCategories);
919   CHECK_PARSE("IncludeIsMainRegex: 'abc$'", IncludeStyle.IncludeIsMainRegex,
920               "abc$");
921   CHECK_PARSE("IncludeIsMainSourceRegex: 'abc$'",
922               IncludeStyle.IncludeIsMainSourceRegex, "abc$");
923 
924   Style.SortIncludes = FormatStyle::SI_Never;
925   CHECK_PARSE("SortIncludes: true", SortIncludes,
926               FormatStyle::SI_CaseSensitive);
927   CHECK_PARSE("SortIncludes: false", SortIncludes, FormatStyle::SI_Never);
928   CHECK_PARSE("SortIncludes: CaseInsensitive", SortIncludes,
929               FormatStyle::SI_CaseInsensitive);
930   CHECK_PARSE("SortIncludes: CaseSensitive", SortIncludes,
931               FormatStyle::SI_CaseSensitive);
932   CHECK_PARSE("SortIncludes: Never", SortIncludes, FormatStyle::SI_Never);
933 
934   Style.RawStringFormats.clear();
935   std::vector<FormatStyle::RawStringFormat> ExpectedRawStringFormats = {
936       {
937           FormatStyle::LK_TextProto,
938           {"pb", "proto"},
939           {"PARSE_TEXT_PROTO"},
940           /*CanonicalDelimiter=*/"",
941           "llvm",
942       },
943       {
944           FormatStyle::LK_Cpp,
945           {"cc", "cpp"},
946           {"C_CODEBLOCK", "CPPEVAL"},
947           /*CanonicalDelimiter=*/"cc",
948           /*BasedOnStyle=*/"",
949       },
950   };
951 
952   CHECK_PARSE("RawStringFormats:\n"
953               "  - Language: TextProto\n"
954               "    Delimiters:\n"
955               "      - 'pb'\n"
956               "      - 'proto'\n"
957               "    EnclosingFunctions:\n"
958               "      - 'PARSE_TEXT_PROTO'\n"
959               "    BasedOnStyle: llvm\n"
960               "  - Language: Cpp\n"
961               "    Delimiters:\n"
962               "      - 'cc'\n"
963               "      - 'cpp'\n"
964               "    EnclosingFunctions:\n"
965               "      - 'C_CODEBLOCK'\n"
966               "      - 'CPPEVAL'\n"
967               "    CanonicalDelimiter: 'cc'",
968               RawStringFormats, ExpectedRawStringFormats);
969 
970   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
971               "  Minimum: 0\n"
972               "  Maximum: 0",
973               SpacesInLineCommentPrefix.Minimum, 0u);
974   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Maximum, 0u);
975   Style.SpacesInLineCommentPrefix.Minimum = 1;
976   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
977               "  Minimum: 2",
978               SpacesInLineCommentPrefix.Minimum, 0u);
979   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
980               "  Maximum: -1",
981               SpacesInLineCommentPrefix.Maximum, -1u);
982   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
983               "  Minimum: 2",
984               SpacesInLineCommentPrefix.Minimum, 2u);
985   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
986               "  Maximum: 1",
987               SpacesInLineCommentPrefix.Maximum, 1u);
988   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Minimum, 1u);
989 
990   Style.SpacesInAngles = FormatStyle::SIAS_Always;
991   CHECK_PARSE("SpacesInAngles: Never", SpacesInAngles, FormatStyle::SIAS_Never);
992   CHECK_PARSE("SpacesInAngles: Always", SpacesInAngles,
993               FormatStyle::SIAS_Always);
994   CHECK_PARSE("SpacesInAngles: Leave", SpacesInAngles, FormatStyle::SIAS_Leave);
995   // For backward compatibility:
996   CHECK_PARSE("SpacesInAngles: false", SpacesInAngles, FormatStyle::SIAS_Never);
997   CHECK_PARSE("SpacesInAngles: true", SpacesInAngles, FormatStyle::SIAS_Always);
998 
999   CHECK_PARSE("RequiresClausePosition: WithPreceding", RequiresClausePosition,
1000               FormatStyle::RCPS_WithPreceding);
1001   CHECK_PARSE("RequiresClausePosition: WithFollowing", RequiresClausePosition,
1002               FormatStyle::RCPS_WithFollowing);
1003   CHECK_PARSE("RequiresClausePosition: SingleLine", RequiresClausePosition,
1004               FormatStyle::RCPS_SingleLine);
1005   CHECK_PARSE("RequiresClausePosition: OwnLine", RequiresClausePosition,
1006               FormatStyle::RCPS_OwnLine);
1007 
1008   CHECK_PARSE("BreakBeforeConceptDeclarations: Never",
1009               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Never);
1010   CHECK_PARSE("BreakBeforeConceptDeclarations: Always",
1011               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1012   CHECK_PARSE("BreakBeforeConceptDeclarations: Allowed",
1013               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1014   // For backward compatibility:
1015   CHECK_PARSE("BreakBeforeConceptDeclarations: true",
1016               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1017   CHECK_PARSE("BreakBeforeConceptDeclarations: false",
1018               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1019 
1020   CHECK_PARSE("BreakAfterAttributes: Always", BreakAfterAttributes,
1021               FormatStyle::ABS_Always);
1022   CHECK_PARSE("BreakAfterAttributes: Leave", BreakAfterAttributes,
1023               FormatStyle::ABS_Leave);
1024   CHECK_PARSE("BreakAfterAttributes: Never", BreakAfterAttributes,
1025               FormatStyle::ABS_Never);
1026 
1027   const auto DefaultLineEnding = FormatStyle::LE_DeriveLF;
1028   CHECK_PARSE("LineEnding: LF", LineEnding, FormatStyle::LE_LF);
1029   CHECK_PARSE("LineEnding: CRLF", LineEnding, FormatStyle::LE_CRLF);
1030   CHECK_PARSE("LineEnding: DeriveCRLF", LineEnding, FormatStyle::LE_DeriveCRLF);
1031   CHECK_PARSE("LineEnding: DeriveLF", LineEnding, DefaultLineEnding);
1032   // For backward compatibility:
1033   CHECK_PARSE("DeriveLineEnding: false", LineEnding, FormatStyle::LE_LF);
1034   Style.LineEnding = DefaultLineEnding;
1035   CHECK_PARSE("DeriveLineEnding: false\n"
1036               "UseCRLF: true",
1037               LineEnding, FormatStyle::LE_CRLF);
1038   Style.LineEnding = DefaultLineEnding;
1039   CHECK_PARSE("UseCRLF: true", LineEnding, FormatStyle::LE_DeriveCRLF);
1040 
1041   CHECK_PARSE("RemoveParentheses: MultipleParentheses", RemoveParentheses,
1042               FormatStyle::RPS_MultipleParentheses);
1043   CHECK_PARSE("RemoveParentheses: ReturnStatement", RemoveParentheses,
1044               FormatStyle::RPS_ReturnStatement);
1045   CHECK_PARSE("RemoveParentheses: Leave", RemoveParentheses,
1046               FormatStyle::RPS_Leave);
1047 
1048   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Always",
1049               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Always);
1050   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: OnlyWithParen",
1051               AllowBreakBeforeNoexceptSpecifier,
1052               FormatStyle::BBNSS_OnlyWithParen);
1053   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Never",
1054               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Never);
1055 
1056   Style.SeparateDefinitionBlocks = FormatStyle::SDS_Never;
1057   CHECK_PARSE("SeparateDefinitionBlocks: Always", SeparateDefinitionBlocks,
1058               FormatStyle::SDS_Always);
1059   CHECK_PARSE("SeparateDefinitionBlocks: Leave", SeparateDefinitionBlocks,
1060               FormatStyle::SDS_Leave);
1061   CHECK_PARSE("SeparateDefinitionBlocks: Never", SeparateDefinitionBlocks,
1062               FormatStyle::SDS_Never);
1063 }
1064 
1065 TEST(ConfigParseTest, ParsesConfigurationWithLanguages) {
1066   FormatStyle Style = {};
1067   Style.Language = FormatStyle::LK_Cpp;
1068   CHECK_PARSE("Language: Cpp\n"
1069               "IndentWidth: 12",
1070               IndentWidth, 12u);
1071   EXPECT_EQ(parseConfiguration("Language: JavaScript\n"
1072                                "IndentWidth: 34",
1073                                &Style),
1074             ParseError::Unsuitable);
1075   FormatStyle BinPackedTCS = {};
1076   BinPackedTCS.Language = FormatStyle::LK_JavaScript;
1077   EXPECT_EQ(parseConfiguration("BinPackArguments: true\n"
1078                                "InsertTrailingCommas: Wrapped",
1079                                &BinPackedTCS),
1080             ParseError::BinPackTrailingCommaConflict);
1081   EXPECT_EQ(12u, Style.IndentWidth);
1082   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1083   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1084 
1085   Style.Language = FormatStyle::LK_JavaScript;
1086   CHECK_PARSE("Language: JavaScript\n"
1087               "IndentWidth: 12",
1088               IndentWidth, 12u);
1089   CHECK_PARSE("IndentWidth: 23", IndentWidth, 23u);
1090   EXPECT_EQ(parseConfiguration("Language: Cpp\n"
1091                                "IndentWidth: 34",
1092                                &Style),
1093             ParseError::Unsuitable);
1094   EXPECT_EQ(23u, Style.IndentWidth);
1095   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1096   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1097 
1098   CHECK_PARSE("BasedOnStyle: LLVM\n"
1099               "IndentWidth: 67",
1100               IndentWidth, 67u);
1101 
1102   CHECK_PARSE("---\n"
1103               "Language: JavaScript\n"
1104               "IndentWidth: 12\n"
1105               "---\n"
1106               "Language: Cpp\n"
1107               "IndentWidth: 34\n"
1108               "...\n",
1109               IndentWidth, 12u);
1110 
1111   Style.Language = FormatStyle::LK_Cpp;
1112   CHECK_PARSE("---\n"
1113               "Language: JavaScript\n"
1114               "IndentWidth: 12\n"
1115               "---\n"
1116               "Language: Cpp\n"
1117               "IndentWidth: 34\n"
1118               "...\n",
1119               IndentWidth, 34u);
1120   CHECK_PARSE("---\n"
1121               "IndentWidth: 78\n"
1122               "---\n"
1123               "Language: JavaScript\n"
1124               "IndentWidth: 56\n"
1125               "...\n",
1126               IndentWidth, 78u);
1127 
1128   Style.ColumnLimit = 123;
1129   Style.IndentWidth = 234;
1130   Style.BreakBeforeBraces = FormatStyle::BS_Linux;
1131   Style.TabWidth = 345;
1132   EXPECT_FALSE(parseConfiguration("---\n"
1133                                   "IndentWidth: 456\n"
1134                                   "BreakBeforeBraces: Allman\n"
1135                                   "---\n"
1136                                   "Language: JavaScript\n"
1137                                   "IndentWidth: 111\n"
1138                                   "TabWidth: 111\n"
1139                                   "---\n"
1140                                   "Language: Cpp\n"
1141                                   "BreakBeforeBraces: Stroustrup\n"
1142                                   "TabWidth: 789\n"
1143                                   "...\n",
1144                                   &Style));
1145   EXPECT_EQ(123u, Style.ColumnLimit);
1146   EXPECT_EQ(456u, Style.IndentWidth);
1147   EXPECT_EQ(FormatStyle::BS_Stroustrup, Style.BreakBeforeBraces);
1148   EXPECT_EQ(789u, Style.TabWidth);
1149 
1150   EXPECT_EQ(parseConfiguration("---\n"
1151                                "Language: JavaScript\n"
1152                                "IndentWidth: 56\n"
1153                                "---\n"
1154                                "IndentWidth: 78\n"
1155                                "...\n",
1156                                &Style),
1157             ParseError::Error);
1158   EXPECT_EQ(parseConfiguration("---\n"
1159                                "Language: JavaScript\n"
1160                                "IndentWidth: 56\n"
1161                                "---\n"
1162                                "Language: JavaScript\n"
1163                                "IndentWidth: 78\n"
1164                                "...\n",
1165                                &Style),
1166             ParseError::Error);
1167 
1168   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1169 
1170   Style.Language = FormatStyle::LK_Verilog;
1171   CHECK_PARSE("---\n"
1172               "Language: Verilog\n"
1173               "IndentWidth: 12\n"
1174               "---\n"
1175               "Language: Cpp\n"
1176               "IndentWidth: 34\n"
1177               "...\n",
1178               IndentWidth, 12u);
1179   CHECK_PARSE("---\n"
1180               "IndentWidth: 78\n"
1181               "---\n"
1182               "Language: Verilog\n"
1183               "IndentWidth: 56\n"
1184               "...\n",
1185               IndentWidth, 56u);
1186 }
1187 
1188 TEST(ConfigParseTest, UsesLanguageForBasedOnStyle) {
1189   FormatStyle Style = {};
1190   Style.Language = FormatStyle::LK_JavaScript;
1191   Style.BreakBeforeTernaryOperators = true;
1192   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google", &Style).value());
1193   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1194 
1195   Style.BreakBeforeTernaryOperators = true;
1196   EXPECT_EQ(0, parseConfiguration("---\n"
1197                                   "BasedOnStyle: Google\n"
1198                                   "---\n"
1199                                   "Language: JavaScript\n"
1200                                   "IndentWidth: 76\n"
1201                                   "...\n",
1202                                   &Style)
1203                    .value());
1204   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1205   EXPECT_EQ(76u, Style.IndentWidth);
1206   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1207 }
1208 
1209 TEST(ConfigParseTest, ConfigurationRoundTripTest) {
1210   FormatStyle Style = getLLVMStyle();
1211   std::string YAML = configurationAsText(Style);
1212   FormatStyle ParsedStyle = {};
1213   ParsedStyle.Language = FormatStyle::LK_Cpp;
1214   EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value());
1215   EXPECT_EQ(Style, ParsedStyle);
1216 }
1217 
1218 TEST(ConfigParseTest, GetStyleWithEmptyFileName) {
1219   llvm::vfs::InMemoryFileSystem FS;
1220   auto Style1 = getStyle("file", "", "Google", "", &FS);
1221   ASSERT_TRUE((bool)Style1);
1222   ASSERT_EQ(*Style1, getGoogleStyle());
1223 }
1224 
1225 TEST(ConfigParseTest, GetStyleOfFile) {
1226   llvm::vfs::InMemoryFileSystem FS;
1227   // Test 1: format file in the same directory.
1228   ASSERT_TRUE(
1229       FS.addFile("/a/.clang-format", 0,
1230                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1231   ASSERT_TRUE(
1232       FS.addFile("/a/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1233   auto Style1 = getStyle("file", "/a/.clang-format", "Google", "", &FS);
1234   ASSERT_TRUE((bool)Style1);
1235   ASSERT_EQ(*Style1, getLLVMStyle());
1236 
1237   // Test 2.1: fallback to default.
1238   ASSERT_TRUE(
1239       FS.addFile("/b/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1240   auto Style2 = getStyle("file", "/b/test.cpp", "Mozilla", "", &FS);
1241   ASSERT_TRUE((bool)Style2);
1242   ASSERT_EQ(*Style2, getMozillaStyle());
1243 
1244   // Test 2.2: no format on 'none' fallback style.
1245   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1246   ASSERT_TRUE((bool)Style2);
1247   ASSERT_EQ(*Style2, getNoStyle());
1248 
1249   // Test 2.3: format if config is found with no based style while fallback is
1250   // 'none'.
1251   ASSERT_TRUE(FS.addFile("/b/.clang-format", 0,
1252                          llvm::MemoryBuffer::getMemBuffer("IndentWidth: 2")));
1253   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1254   ASSERT_TRUE((bool)Style2);
1255   ASSERT_EQ(*Style2, getLLVMStyle());
1256 
1257   // Test 2.4: format if yaml with no based style, while fallback is 'none'.
1258   Style2 = getStyle("{}", "a.h", "none", "", &FS);
1259   ASSERT_TRUE((bool)Style2);
1260   ASSERT_EQ(*Style2, getLLVMStyle());
1261 
1262   // Test 3: format file in parent directory.
1263   ASSERT_TRUE(
1264       FS.addFile("/c/.clang-format", 0,
1265                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1266   ASSERT_TRUE(FS.addFile("/c/sub/sub/sub/test.cpp", 0,
1267                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1268   auto Style3 = getStyle("file", "/c/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1269   ASSERT_TRUE((bool)Style3);
1270   ASSERT_EQ(*Style3, getGoogleStyle());
1271 
1272   // Test 4: error on invalid fallback style
1273   auto Style4 = getStyle("file", "a.h", "KungFu", "", &FS);
1274   ASSERT_FALSE((bool)Style4);
1275   llvm::consumeError(Style4.takeError());
1276 
1277   // Test 5: error on invalid yaml on command line
1278   auto Style5 = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1279                          /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1280   ASSERT_FALSE((bool)Style5);
1281   llvm::consumeError(Style5.takeError());
1282 
1283   // Test 6: error on invalid style
1284   auto Style6 = getStyle("KungFu", "a.h", "LLVM", "", &FS);
1285   ASSERT_FALSE((bool)Style6);
1286   llvm::consumeError(Style6.takeError());
1287 
1288   // Test 7: found config file, error on parsing it
1289   ASSERT_TRUE(
1290       FS.addFile("/d/.clang-format", 0,
1291                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM\n"
1292                                                   "InvalidKey: InvalidValue")));
1293   ASSERT_TRUE(
1294       FS.addFile("/d/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1295   auto Style7a = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1296                           /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1297   ASSERT_FALSE((bool)Style7a);
1298   llvm::consumeError(Style7a.takeError());
1299 
1300   auto Style7b = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1301                           /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1302   ASSERT_TRUE((bool)Style7b);
1303 
1304   // Test 8: inferred per-language defaults apply.
1305   auto StyleTd = getStyle("file", "x.td", "llvm", "", &FS);
1306   ASSERT_TRUE((bool)StyleTd);
1307   ASSERT_EQ(*StyleTd, getLLVMStyle(FormatStyle::LK_TableGen));
1308 
1309   // Test 9.1.1: overwriting a file style, when no parent file exists with no
1310   // fallback style.
1311   ASSERT_TRUE(FS.addFile(
1312       "/e/sub/.clang-format", 0,
1313       llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: InheritParentConfig\n"
1314                                        "ColumnLimit: 20")));
1315   ASSERT_TRUE(FS.addFile("/e/sub/code.cpp", 0,
1316                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1317   auto Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1318   ASSERT_TRUE(static_cast<bool>(Style9));
1319   ASSERT_EQ(*Style9, [] {
1320     auto Style = getNoStyle();
1321     Style.ColumnLimit = 20;
1322     return Style;
1323   }());
1324 
1325   // Test 9.1.2: propagate more than one level with no parent file.
1326   ASSERT_TRUE(FS.addFile("/e/sub/sub/code.cpp", 0,
1327                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1328   ASSERT_TRUE(FS.addFile("/e/sub/sub/.clang-format", 0,
1329                          llvm::MemoryBuffer::getMemBuffer(
1330                              "BasedOnStyle: InheritParentConfig\n"
1331                              "WhitespaceSensitiveMacros: ['FOO', 'BAR']")));
1332   std::vector<std::string> NonDefaultWhiteSpaceMacros =
1333       Style9->WhitespaceSensitiveMacros;
1334   NonDefaultWhiteSpaceMacros[0] = "FOO";
1335   NonDefaultWhiteSpaceMacros[1] = "BAR";
1336 
1337   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1338   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1339   ASSERT_TRUE(static_cast<bool>(Style9));
1340   ASSERT_EQ(*Style9, [&NonDefaultWhiteSpaceMacros] {
1341     auto Style = getNoStyle();
1342     Style.ColumnLimit = 20;
1343     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1344     return Style;
1345   }());
1346 
1347   // Test 9.2: with LLVM fallback style
1348   Style9 = getStyle("file", "/e/sub/code.cpp", "LLVM", "", &FS);
1349   ASSERT_TRUE(static_cast<bool>(Style9));
1350   ASSERT_EQ(*Style9, [] {
1351     auto Style = getLLVMStyle();
1352     Style.ColumnLimit = 20;
1353     return Style;
1354   }());
1355 
1356   // Test 9.3: with a parent file
1357   ASSERT_TRUE(
1358       FS.addFile("/e/.clang-format", 0,
1359                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google\n"
1360                                                   "UseTab: Always")));
1361   Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1362   ASSERT_TRUE(static_cast<bool>(Style9));
1363   ASSERT_EQ(*Style9, [] {
1364     auto Style = getGoogleStyle();
1365     Style.ColumnLimit = 20;
1366     Style.UseTab = FormatStyle::UT_Always;
1367     return Style;
1368   }());
1369 
1370   // Test 9.4: propagate more than one level with a parent file.
1371   const auto SubSubStyle = [&NonDefaultWhiteSpaceMacros] {
1372     auto Style = getGoogleStyle();
1373     Style.ColumnLimit = 20;
1374     Style.UseTab = FormatStyle::UT_Always;
1375     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1376     return Style;
1377   }();
1378 
1379   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1380   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1381   ASSERT_TRUE(static_cast<bool>(Style9));
1382   ASSERT_EQ(*Style9, SubSubStyle);
1383 
1384   // Test 9.5: use InheritParentConfig as style name
1385   Style9 =
1386       getStyle("inheritparentconfig", "/e/sub/sub/code.cpp", "none", "", &FS);
1387   ASSERT_TRUE(static_cast<bool>(Style9));
1388   ASSERT_EQ(*Style9, SubSubStyle);
1389 
1390   // Test 9.6: use command line style with inheritance
1391   Style9 = getStyle("{BasedOnStyle: InheritParentConfig}",
1392                     "/e/sub/sub/code.cpp", "none", "", &FS);
1393   ASSERT_TRUE(static_cast<bool>(Style9));
1394   ASSERT_EQ(*Style9, SubSubStyle);
1395 
1396   // Test 9.7: use command line style with inheritance and own config
1397   Style9 = getStyle("{BasedOnStyle: InheritParentConfig, "
1398                     "WhitespaceSensitiveMacros: ['FOO', 'BAR']}",
1399                     "/e/sub/code.cpp", "none", "", &FS);
1400   ASSERT_TRUE(static_cast<bool>(Style9));
1401   ASSERT_EQ(*Style9, SubSubStyle);
1402 
1403   // Test 9.8: use inheritance from a file without BasedOnStyle
1404   ASSERT_TRUE(FS.addFile("/e/withoutbase/.clang-format", 0,
1405                          llvm::MemoryBuffer::getMemBuffer("ColumnLimit: 123")));
1406   ASSERT_TRUE(
1407       FS.addFile("/e/withoutbase/sub/.clang-format", 0,
1408                  llvm::MemoryBuffer::getMemBuffer(
1409                      "BasedOnStyle: InheritParentConfig\nIndentWidth: 7")));
1410   // Make sure we do not use the fallback style
1411   Style9 = getStyle("file", "/e/withoutbase/code.cpp", "google", "", &FS);
1412   ASSERT_TRUE(static_cast<bool>(Style9));
1413   ASSERT_EQ(*Style9, [] {
1414     auto Style = getLLVMStyle();
1415     Style.ColumnLimit = 123;
1416     return Style;
1417   }());
1418 
1419   Style9 = getStyle("file", "/e/withoutbase/sub/code.cpp", "google", "", &FS);
1420   ASSERT_TRUE(static_cast<bool>(Style9));
1421   ASSERT_EQ(*Style9, [] {
1422     auto Style = getLLVMStyle();
1423     Style.ColumnLimit = 123;
1424     Style.IndentWidth = 7;
1425     return Style;
1426   }());
1427 
1428   // Test 9.9: use inheritance from a specific config file.
1429   Style9 = getStyle("file:/e/sub/sub/.clang-format", "/e/sub/sub/code.cpp",
1430                     "none", "", &FS);
1431   ASSERT_TRUE(static_cast<bool>(Style9));
1432   ASSERT_EQ(*Style9, SubSubStyle);
1433 }
1434 
1435 TEST(ConfigParseTest, GetStyleOfSpecificFile) {
1436   llvm::vfs::InMemoryFileSystem FS;
1437   // Specify absolute path to a format file in a parent directory.
1438   ASSERT_TRUE(
1439       FS.addFile("/e/.clang-format", 0,
1440                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1441   ASSERT_TRUE(
1442       FS.addFile("/e/explicit.clang-format", 0,
1443                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1444   ASSERT_TRUE(FS.addFile("/e/sub/sub/sub/test.cpp", 0,
1445                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1446   auto Style = getStyle("file:/e/explicit.clang-format",
1447                         "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1448   ASSERT_TRUE(static_cast<bool>(Style));
1449   ASSERT_EQ(*Style, getGoogleStyle());
1450 
1451   // Specify relative path to a format file.
1452   ASSERT_TRUE(
1453       FS.addFile("../../e/explicit.clang-format", 0,
1454                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1455   Style = getStyle("file:../../e/explicit.clang-format",
1456                    "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1457   ASSERT_TRUE(static_cast<bool>(Style));
1458   ASSERT_EQ(*Style, getGoogleStyle());
1459 
1460   // Specify path to a format file that does not exist.
1461   Style = getStyle("file:/e/missing.clang-format", "/e/sub/sub/sub/test.cpp",
1462                    "LLVM", "", &FS);
1463   ASSERT_FALSE(static_cast<bool>(Style));
1464   llvm::consumeError(Style.takeError());
1465 
1466   // Specify path to a file on the filesystem.
1467   SmallString<128> FormatFilePath;
1468   std::error_code ECF = llvm::sys::fs::createTemporaryFile(
1469       "FormatFileTest", "tpl", FormatFilePath);
1470   EXPECT_FALSE((bool)ECF);
1471   llvm::raw_fd_ostream FormatFileTest(FormatFilePath, ECF);
1472   EXPECT_FALSE((bool)ECF);
1473   FormatFileTest << "BasedOnStyle: Google\n";
1474   FormatFileTest.close();
1475 
1476   SmallString<128> TestFilePath;
1477   std::error_code ECT =
1478       llvm::sys::fs::createTemporaryFile("CodeFileTest", "cc", TestFilePath);
1479   EXPECT_FALSE((bool)ECT);
1480   llvm::raw_fd_ostream CodeFileTest(TestFilePath, ECT);
1481   CodeFileTest << "int i;\n";
1482   CodeFileTest.close();
1483 
1484   std::string format_file_arg = std::string("file:") + FormatFilePath.c_str();
1485   Style = getStyle(format_file_arg, TestFilePath, "LLVM", "", nullptr);
1486 
1487   llvm::sys::fs::remove(FormatFilePath.c_str());
1488   llvm::sys::fs::remove(TestFilePath.c_str());
1489   ASSERT_TRUE(static_cast<bool>(Style));
1490   ASSERT_EQ(*Style, getGoogleStyle());
1491 }
1492 
1493 TEST(ConfigParseTest, GetStyleOutput) {
1494   llvm::vfs::InMemoryFileSystem FS;
1495 
1496   // Don't suppress output.
1497   testing::internal::CaptureStderr();
1498   auto Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1499                         /*AllowUnknownOptions=*/true);
1500   auto Output = testing::internal::GetCapturedStderr();
1501   ASSERT_TRUE((bool)Style);
1502   ASSERT_FALSE(Output.empty());
1503 
1504   // Suppress stderr.
1505   testing::internal::CaptureStderr();
1506   Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1507                    /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1508   Output = testing::internal::GetCapturedStderr();
1509   ASSERT_TRUE((bool)Style);
1510   ASSERT_TRUE(Output.empty());
1511 }
1512 
1513 } // namespace
1514 } // namespace format
1515 } // namespace clang
1516