xref: /llvm-project/clang/unittests/Format/ConfigParseTest.cpp (revision f0bd62d8709a49dd87eb75411e41e2e11e0ab59d)
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 ": AcrossEmptyLinesAndComments", FIELD,                         \
321         FormatStyle::AlignConsecutiveStyle(                                    \
322             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
323              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
324              /*AlignFunctionDeclarations=*/true,                               \
325              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
326     /* For backwards compability, false / true should still parse */           \
327     CHECK_PARSE(#FIELD ": false", FIELD,                                       \
328                 FormatStyle::AlignConsecutiveStyle({}));                       \
329     CHECK_PARSE(                                                               \
330         #FIELD ": true", FIELD,                                                \
331         FormatStyle::AlignConsecutiveStyle(                                    \
332             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
333              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
334              /*AlignFunctionDeclarations=*/true,                               \
335              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
336                                                                                \
337     CHECK_PARSE_NESTED_BOOL(FIELD, Enabled);                                   \
338     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossEmptyLines);                          \
339     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossComments);                            \
340     CHECK_PARSE_NESTED_BOOL(FIELD, AlignCompound);                             \
341     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionDeclarations);                 \
342     CHECK_PARSE_NESTED_BOOL(FIELD, PadOperators);                              \
343   } while (false)
344 
345   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveAssignments);
346   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveBitFields);
347   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveMacros);
348   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveDeclarations);
349 
350 #undef CHECK_ALIGN_CONSECUTIVE
351 
352   Style.PointerAlignment = FormatStyle::PAS_Middle;
353   CHECK_PARSE("PointerAlignment: Left", PointerAlignment,
354               FormatStyle::PAS_Left);
355   CHECK_PARSE("PointerAlignment: Right", PointerAlignment,
356               FormatStyle::PAS_Right);
357   CHECK_PARSE("PointerAlignment: Middle", PointerAlignment,
358               FormatStyle::PAS_Middle);
359   Style.ReferenceAlignment = FormatStyle::RAS_Middle;
360   CHECK_PARSE("ReferenceAlignment: Pointer", ReferenceAlignment,
361               FormatStyle::RAS_Pointer);
362   CHECK_PARSE("ReferenceAlignment: Left", ReferenceAlignment,
363               FormatStyle::RAS_Left);
364   CHECK_PARSE("ReferenceAlignment: Right", ReferenceAlignment,
365               FormatStyle::RAS_Right);
366   CHECK_PARSE("ReferenceAlignment: Middle", ReferenceAlignment,
367               FormatStyle::RAS_Middle);
368   // For backward compatibility:
369   CHECK_PARSE("PointerBindsToType: Left", PointerAlignment,
370               FormatStyle::PAS_Left);
371   CHECK_PARSE("PointerBindsToType: Right", PointerAlignment,
372               FormatStyle::PAS_Right);
373   CHECK_PARSE("PointerBindsToType: Middle", PointerAlignment,
374               FormatStyle::PAS_Middle);
375 
376   Style.Standard = FormatStyle::LS_Auto;
377   CHECK_PARSE("Standard: c++03", Standard, FormatStyle::LS_Cpp03);
378   CHECK_PARSE("Standard: c++11", Standard, FormatStyle::LS_Cpp11);
379   CHECK_PARSE("Standard: c++14", Standard, FormatStyle::LS_Cpp14);
380   CHECK_PARSE("Standard: c++17", Standard, FormatStyle::LS_Cpp17);
381   CHECK_PARSE("Standard: c++20", Standard, FormatStyle::LS_Cpp20);
382   CHECK_PARSE("Standard: Auto", Standard, FormatStyle::LS_Auto);
383   CHECK_PARSE("Standard: Latest", Standard, FormatStyle::LS_Latest);
384   // Legacy aliases:
385   CHECK_PARSE("Standard: Cpp03", Standard, FormatStyle::LS_Cpp03);
386   CHECK_PARSE("Standard: Cpp11", Standard, FormatStyle::LS_Latest);
387   CHECK_PARSE("Standard: C++03", Standard, FormatStyle::LS_Cpp03);
388   CHECK_PARSE("Standard: C++11", Standard, FormatStyle::LS_Cpp11);
389 
390   Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All;
391   CHECK_PARSE("BreakBeforeBinaryOperators: NonAssignment",
392               BreakBeforeBinaryOperators, FormatStyle::BOS_NonAssignment);
393   CHECK_PARSE("BreakBeforeBinaryOperators: None", BreakBeforeBinaryOperators,
394               FormatStyle::BOS_None);
395   CHECK_PARSE("BreakBeforeBinaryOperators: All", BreakBeforeBinaryOperators,
396               FormatStyle::BOS_All);
397   // For backward compatibility:
398   CHECK_PARSE("BreakBeforeBinaryOperators: false", BreakBeforeBinaryOperators,
399               FormatStyle::BOS_None);
400   CHECK_PARSE("BreakBeforeBinaryOperators: true", BreakBeforeBinaryOperators,
401               FormatStyle::BOS_All);
402 
403   Style.BreakBinaryOperations = FormatStyle::BBO_Never;
404   CHECK_PARSE("BreakBinaryOperations: OnePerLine", BreakBinaryOperations,
405               FormatStyle::BBO_OnePerLine);
406   CHECK_PARSE("BreakBinaryOperations: RespectPrecedence", BreakBinaryOperations,
407               FormatStyle::BBO_RespectPrecedence);
408   CHECK_PARSE("BreakBinaryOperations: Never", BreakBinaryOperations,
409               FormatStyle::BBO_Never);
410 
411   Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon;
412   CHECK_PARSE("BreakConstructorInitializers: BeforeComma",
413               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
414   CHECK_PARSE("BreakConstructorInitializers: AfterColon",
415               BreakConstructorInitializers, FormatStyle::BCIS_AfterColon);
416   CHECK_PARSE("BreakConstructorInitializers: BeforeColon",
417               BreakConstructorInitializers, FormatStyle::BCIS_BeforeColon);
418   // For backward compatibility:
419   CHECK_PARSE("BreakConstructorInitializersBeforeComma: true",
420               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
421 
422   Style.BreakInheritanceList = FormatStyle::BILS_BeforeColon;
423   CHECK_PARSE("BreakInheritanceList: AfterComma", BreakInheritanceList,
424               FormatStyle::BILS_AfterComma);
425   CHECK_PARSE("BreakInheritanceList: BeforeComma", BreakInheritanceList,
426               FormatStyle::BILS_BeforeComma);
427   CHECK_PARSE("BreakInheritanceList: AfterColon", BreakInheritanceList,
428               FormatStyle::BILS_AfterColon);
429   CHECK_PARSE("BreakInheritanceList: BeforeColon", BreakInheritanceList,
430               FormatStyle::BILS_BeforeColon);
431   // For backward compatibility:
432   CHECK_PARSE("BreakBeforeInheritanceComma: true", BreakInheritanceList,
433               FormatStyle::BILS_BeforeComma);
434 
435   Style.BinPackParameters = FormatStyle::BPPS_OnePerLine;
436   CHECK_PARSE("BinPackParameters: BinPack", BinPackParameters,
437               FormatStyle::BPPS_BinPack);
438   CHECK_PARSE("BinPackParameters: OnePerLine", BinPackParameters,
439               FormatStyle::BPPS_OnePerLine);
440   CHECK_PARSE("BinPackParameters: AlwaysOnePerLine", BinPackParameters,
441               FormatStyle::BPPS_AlwaysOnePerLine);
442   // For backward compatibility.
443   CHECK_PARSE("BinPackParameters: true", BinPackParameters,
444               FormatStyle::BPPS_BinPack);
445   CHECK_PARSE("BinPackParameters: false", BinPackParameters,
446               FormatStyle::BPPS_OnePerLine);
447 
448   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
449   CHECK_PARSE("PackConstructorInitializers: Never", PackConstructorInitializers,
450               FormatStyle::PCIS_Never);
451   CHECK_PARSE("PackConstructorInitializers: BinPack",
452               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
453   CHECK_PARSE("PackConstructorInitializers: CurrentLine",
454               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
455   CHECK_PARSE("PackConstructorInitializers: NextLine",
456               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
457   CHECK_PARSE("PackConstructorInitializers: NextLineOnly",
458               PackConstructorInitializers, FormatStyle::PCIS_NextLineOnly);
459   // For backward compatibility:
460   CHECK_PARSE("BasedOnStyle: Google\n"
461               "ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
462               "AllowAllConstructorInitializersOnNextLine: false",
463               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
464   Style.PackConstructorInitializers = FormatStyle::PCIS_NextLine;
465   CHECK_PARSE("BasedOnStyle: Google\n"
466               "ConstructorInitializerAllOnOneLineOrOnePerLine: false",
467               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
468   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
469               "AllowAllConstructorInitializersOnNextLine: true",
470               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
471   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
472   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
473               "AllowAllConstructorInitializersOnNextLine: false",
474               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
475 
476   Style.EmptyLineBeforeAccessModifier = FormatStyle::ELBAMS_LogicalBlock;
477   CHECK_PARSE("EmptyLineBeforeAccessModifier: Never",
478               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Never);
479   CHECK_PARSE("EmptyLineBeforeAccessModifier: Leave",
480               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Leave);
481   CHECK_PARSE("EmptyLineBeforeAccessModifier: LogicalBlock",
482               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_LogicalBlock);
483   CHECK_PARSE("EmptyLineBeforeAccessModifier: Always",
484               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Always);
485 
486   Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
487   CHECK_PARSE("AlignAfterOpenBracket: Align", AlignAfterOpenBracket,
488               FormatStyle::BAS_Align);
489   CHECK_PARSE("AlignAfterOpenBracket: DontAlign", AlignAfterOpenBracket,
490               FormatStyle::BAS_DontAlign);
491   CHECK_PARSE("AlignAfterOpenBracket: AlwaysBreak", AlignAfterOpenBracket,
492               FormatStyle::BAS_AlwaysBreak);
493   CHECK_PARSE("AlignAfterOpenBracket: BlockIndent", AlignAfterOpenBracket,
494               FormatStyle::BAS_BlockIndent);
495   // For backward compatibility:
496   CHECK_PARSE("AlignAfterOpenBracket: false", AlignAfterOpenBracket,
497               FormatStyle::BAS_DontAlign);
498   CHECK_PARSE("AlignAfterOpenBracket: true", AlignAfterOpenBracket,
499               FormatStyle::BAS_Align);
500 
501   Style.AlignEscapedNewlines = FormatStyle::ENAS_Left;
502   CHECK_PARSE("AlignEscapedNewlines: DontAlign", AlignEscapedNewlines,
503               FormatStyle::ENAS_DontAlign);
504   CHECK_PARSE("AlignEscapedNewlines: Left", AlignEscapedNewlines,
505               FormatStyle::ENAS_Left);
506   CHECK_PARSE("AlignEscapedNewlines: LeftWithLastLine", AlignEscapedNewlines,
507               FormatStyle::ENAS_LeftWithLastLine);
508   CHECK_PARSE("AlignEscapedNewlines: Right", AlignEscapedNewlines,
509               FormatStyle::ENAS_Right);
510   // For backward compatibility:
511   CHECK_PARSE("AlignEscapedNewlinesLeft: true", AlignEscapedNewlines,
512               FormatStyle::ENAS_Left);
513   CHECK_PARSE("AlignEscapedNewlinesLeft: false", AlignEscapedNewlines,
514               FormatStyle::ENAS_Right);
515 
516   Style.AlignOperands = FormatStyle::OAS_Align;
517   CHECK_PARSE("AlignOperands: DontAlign", AlignOperands,
518               FormatStyle::OAS_DontAlign);
519   CHECK_PARSE("AlignOperands: Align", AlignOperands, FormatStyle::OAS_Align);
520   CHECK_PARSE("AlignOperands: AlignAfterOperator", AlignOperands,
521               FormatStyle::OAS_AlignAfterOperator);
522   // For backward compatibility:
523   CHECK_PARSE("AlignOperands: false", AlignOperands,
524               FormatStyle::OAS_DontAlign);
525   CHECK_PARSE("AlignOperands: true", AlignOperands, FormatStyle::OAS_Align);
526 
527   CHECK_PARSE("AlignTrailingComments: Leave", AlignTrailingComments,
528               FormatStyle::TrailingCommentsAlignmentStyle(
529                   {FormatStyle::TCAS_Leave, 0}));
530   CHECK_PARSE("AlignTrailingComments: Always", AlignTrailingComments,
531               FormatStyle::TrailingCommentsAlignmentStyle(
532                   {FormatStyle::TCAS_Always, 0}));
533   CHECK_PARSE("AlignTrailingComments: Never", AlignTrailingComments,
534               FormatStyle::TrailingCommentsAlignmentStyle(
535                   {FormatStyle::TCAS_Never, 0}));
536   // For backwards compatibility
537   CHECK_PARSE("AlignTrailingComments: true", AlignTrailingComments,
538               FormatStyle::TrailingCommentsAlignmentStyle(
539                   {FormatStyle::TCAS_Always, 0}));
540   CHECK_PARSE("AlignTrailingComments: false", AlignTrailingComments,
541               FormatStyle::TrailingCommentsAlignmentStyle(
542                   {FormatStyle::TCAS_Never, 0}));
543   CHECK_PARSE_NESTED_VALUE("Kind: Always", AlignTrailingComments, Kind,
544                            FormatStyle::TCAS_Always);
545   CHECK_PARSE_NESTED_VALUE("Kind: Never", AlignTrailingComments, Kind,
546                            FormatStyle::TCAS_Never);
547   CHECK_PARSE_NESTED_VALUE("Kind: Leave", AlignTrailingComments, Kind,
548                            FormatStyle::TCAS_Leave);
549   CHECK_PARSE_NESTED_VALUE("OverEmptyLines: 1234", AlignTrailingComments,
550                            OverEmptyLines, 1234u);
551 
552   Style.UseTab = FormatStyle::UT_ForIndentation;
553   CHECK_PARSE("UseTab: Never", UseTab, FormatStyle::UT_Never);
554   CHECK_PARSE("UseTab: ForIndentation", UseTab, FormatStyle::UT_ForIndentation);
555   CHECK_PARSE("UseTab: Always", UseTab, FormatStyle::UT_Always);
556   CHECK_PARSE("UseTab: ForContinuationAndIndentation", UseTab,
557               FormatStyle::UT_ForContinuationAndIndentation);
558   CHECK_PARSE("UseTab: AlignWithSpaces", UseTab,
559               FormatStyle::UT_AlignWithSpaces);
560   // For backward compatibility:
561   CHECK_PARSE("UseTab: false", UseTab, FormatStyle::UT_Never);
562   CHECK_PARSE("UseTab: true", UseTab, FormatStyle::UT_Always);
563 
564   Style.AllowShortBlocksOnASingleLine = FormatStyle::SBS_Empty;
565   CHECK_PARSE("AllowShortBlocksOnASingleLine: Never",
566               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
567   CHECK_PARSE("AllowShortBlocksOnASingleLine: Empty",
568               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Empty);
569   CHECK_PARSE("AllowShortBlocksOnASingleLine: Always",
570               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
571   // For backward compatibility:
572   CHECK_PARSE("AllowShortBlocksOnASingleLine: false",
573               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
574   CHECK_PARSE("AllowShortBlocksOnASingleLine: true",
575               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
576 
577   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
578   CHECK_PARSE("AllowShortFunctionsOnASingleLine: None",
579               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
580   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Inline",
581               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Inline);
582   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Empty",
583               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Empty);
584   CHECK_PARSE("AllowShortFunctionsOnASingleLine: All",
585               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
586   // For backward compatibility:
587   CHECK_PARSE("AllowShortFunctionsOnASingleLine: false",
588               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
589   CHECK_PARSE("AllowShortFunctionsOnASingleLine: true",
590               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
591 
592   Style.AllowShortLambdasOnASingleLine = FormatStyle::SLS_All;
593   CHECK_PARSE("AllowShortLambdasOnASingleLine: None",
594               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
595   CHECK_PARSE("AllowShortLambdasOnASingleLine: Empty",
596               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Empty);
597   CHECK_PARSE("AllowShortLambdasOnASingleLine: Inline",
598               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Inline);
599   CHECK_PARSE("AllowShortLambdasOnASingleLine: All",
600               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
601   // For backward compatibility:
602   CHECK_PARSE("AllowShortLambdasOnASingleLine: false",
603               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
604   CHECK_PARSE("AllowShortLambdasOnASingleLine: true",
605               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
606 
607   Style.SpaceAroundPointerQualifiers = FormatStyle::SAPQ_Both;
608   CHECK_PARSE("SpaceAroundPointerQualifiers: Default",
609               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Default);
610   CHECK_PARSE("SpaceAroundPointerQualifiers: Before",
611               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Before);
612   CHECK_PARSE("SpaceAroundPointerQualifiers: After",
613               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_After);
614   CHECK_PARSE("SpaceAroundPointerQualifiers: Both",
615               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Both);
616 
617   Style.SpaceBeforeParens = FormatStyle::SBPO_Always;
618   CHECK_PARSE("SpaceBeforeParens: Never", SpaceBeforeParens,
619               FormatStyle::SBPO_Never);
620   CHECK_PARSE("SpaceBeforeParens: Always", SpaceBeforeParens,
621               FormatStyle::SBPO_Always);
622   CHECK_PARSE("SpaceBeforeParens: ControlStatements", SpaceBeforeParens,
623               FormatStyle::SBPO_ControlStatements);
624   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptControlMacros",
625               SpaceBeforeParens,
626               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
627   CHECK_PARSE("SpaceBeforeParens: NonEmptyParentheses", SpaceBeforeParens,
628               FormatStyle::SBPO_NonEmptyParentheses);
629   CHECK_PARSE("SpaceBeforeParens: Custom", SpaceBeforeParens,
630               FormatStyle::SBPO_Custom);
631   // For backward compatibility:
632   CHECK_PARSE("SpaceAfterControlStatementKeyword: false", SpaceBeforeParens,
633               FormatStyle::SBPO_Never);
634   CHECK_PARSE("SpaceAfterControlStatementKeyword: true", SpaceBeforeParens,
635               FormatStyle::SBPO_ControlStatements);
636   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptForEachMacros",
637               SpaceBeforeParens,
638               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
639 
640   // For backward compatibility:
641   Style.SpacesInParens = FormatStyle::SIPO_Never;
642   Style.SpacesInParensOptions = {};
643   CHECK_PARSE("SpacesInParentheses: true", SpacesInParens,
644               FormatStyle::SIPO_Custom);
645   Style.SpacesInParens = FormatStyle::SIPO_Never;
646   Style.SpacesInParensOptions = {};
647   CHECK_PARSE(
648       "SpacesInParentheses: true", SpacesInParensOptions,
649       FormatStyle::SpacesInParensCustom(false, true, false, false, true));
650   Style.SpacesInParens = FormatStyle::SIPO_Never;
651   Style.SpacesInParensOptions = {};
652   CHECK_PARSE(
653       "SpacesInConditionalStatement: true", SpacesInParensOptions,
654       FormatStyle::SpacesInParensCustom(false, true, false, false, false));
655   Style.SpacesInParens = FormatStyle::SIPO_Never;
656   Style.SpacesInParensOptions = {};
657   CHECK_PARSE(
658       "SpacesInCStyleCastParentheses: true", SpacesInParensOptions,
659       FormatStyle::SpacesInParensCustom(false, false, true, false, false));
660   Style.SpacesInParens = FormatStyle::SIPO_Never;
661   Style.SpacesInParensOptions = {};
662   CHECK_PARSE(
663       "SpaceInEmptyParentheses: true", SpacesInParensOptions,
664       FormatStyle::SpacesInParensCustom(false, false, false, true, false));
665   Style.SpacesInParens = FormatStyle::SIPO_Never;
666   Style.SpacesInParensOptions = {};
667 
668   Style.ColumnLimit = 123;
669   FormatStyle BaseStyle = getLLVMStyle();
670   CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);
671   CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234", ColumnLimit, 1234u);
672 
673   Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
674   CHECK_PARSE("BreakBeforeBraces: Attach", BreakBeforeBraces,
675               FormatStyle::BS_Attach);
676   CHECK_PARSE("BreakBeforeBraces: Linux", BreakBeforeBraces,
677               FormatStyle::BS_Linux);
678   CHECK_PARSE("BreakBeforeBraces: Mozilla", BreakBeforeBraces,
679               FormatStyle::BS_Mozilla);
680   CHECK_PARSE("BreakBeforeBraces: Stroustrup", BreakBeforeBraces,
681               FormatStyle::BS_Stroustrup);
682   CHECK_PARSE("BreakBeforeBraces: Allman", BreakBeforeBraces,
683               FormatStyle::BS_Allman);
684   CHECK_PARSE("BreakBeforeBraces: Whitesmiths", BreakBeforeBraces,
685               FormatStyle::BS_Whitesmiths);
686   CHECK_PARSE("BreakBeforeBraces: GNU", BreakBeforeBraces, FormatStyle::BS_GNU);
687   CHECK_PARSE("BreakBeforeBraces: WebKit", BreakBeforeBraces,
688               FormatStyle::BS_WebKit);
689   CHECK_PARSE("BreakBeforeBraces: Custom", BreakBeforeBraces,
690               FormatStyle::BS_Custom);
691 
692   Style.BraceWrapping.AfterControlStatement = FormatStyle::BWACS_Never;
693   CHECK_PARSE("BraceWrapping:\n"
694               "  AfterControlStatement: MultiLine",
695               BraceWrapping.AfterControlStatement,
696               FormatStyle::BWACS_MultiLine);
697   CHECK_PARSE("BraceWrapping:\n"
698               "  AfterControlStatement: Always",
699               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
700   CHECK_PARSE("BraceWrapping:\n"
701               "  AfterControlStatement: Never",
702               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
703   // For backward compatibility:
704   CHECK_PARSE("BraceWrapping:\n"
705               "  AfterControlStatement: true",
706               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
707   CHECK_PARSE("BraceWrapping:\n"
708               "  AfterControlStatement: false",
709               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
710 
711   Style.BreakAfterReturnType = FormatStyle::RTBS_All;
712   CHECK_PARSE("BreakAfterReturnType: None", BreakAfterReturnType,
713               FormatStyle::RTBS_None);
714   CHECK_PARSE("BreakAfterReturnType: Automatic", BreakAfterReturnType,
715               FormatStyle::RTBS_Automatic);
716   CHECK_PARSE("BreakAfterReturnType: ExceptShortType", BreakAfterReturnType,
717               FormatStyle::RTBS_ExceptShortType);
718   CHECK_PARSE("BreakAfterReturnType: All", BreakAfterReturnType,
719               FormatStyle::RTBS_All);
720   CHECK_PARSE("BreakAfterReturnType: TopLevel", BreakAfterReturnType,
721               FormatStyle::RTBS_TopLevel);
722   CHECK_PARSE("BreakAfterReturnType: AllDefinitions", BreakAfterReturnType,
723               FormatStyle::RTBS_AllDefinitions);
724   CHECK_PARSE("BreakAfterReturnType: TopLevelDefinitions", BreakAfterReturnType,
725               FormatStyle::RTBS_TopLevelDefinitions);
726   // For backward compatibility:
727   CHECK_PARSE("AlwaysBreakAfterReturnType: None", BreakAfterReturnType,
728               FormatStyle::RTBS_None);
729   CHECK_PARSE("AlwaysBreakAfterReturnType: Automatic", BreakAfterReturnType,
730               FormatStyle::RTBS_Automatic);
731   CHECK_PARSE("AlwaysBreakAfterReturnType: ExceptShortType",
732               BreakAfterReturnType, FormatStyle::RTBS_ExceptShortType);
733   CHECK_PARSE("AlwaysBreakAfterReturnType: All", BreakAfterReturnType,
734               FormatStyle::RTBS_All);
735   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel", BreakAfterReturnType,
736               FormatStyle::RTBS_TopLevel);
737   CHECK_PARSE("AlwaysBreakAfterReturnType: AllDefinitions",
738               BreakAfterReturnType, FormatStyle::RTBS_AllDefinitions);
739   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevelDefinitions",
740               BreakAfterReturnType, FormatStyle::RTBS_TopLevelDefinitions);
741 
742   Style.BreakTemplateDeclarations = FormatStyle::BTDS_Yes;
743   CHECK_PARSE("BreakTemplateDeclarations: Leave", BreakTemplateDeclarations,
744               FormatStyle::BTDS_Leave);
745   CHECK_PARSE("BreakTemplateDeclarations: No", BreakTemplateDeclarations,
746               FormatStyle::BTDS_No);
747   CHECK_PARSE("BreakTemplateDeclarations: MultiLine", BreakTemplateDeclarations,
748               FormatStyle::BTDS_MultiLine);
749   CHECK_PARSE("BreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
750               FormatStyle::BTDS_Yes);
751   CHECK_PARSE("BreakTemplateDeclarations: false", BreakTemplateDeclarations,
752               FormatStyle::BTDS_MultiLine);
753   CHECK_PARSE("BreakTemplateDeclarations: true", BreakTemplateDeclarations,
754               FormatStyle::BTDS_Yes);
755   // For backward compatibility:
756   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Leave",
757               BreakTemplateDeclarations, FormatStyle::BTDS_Leave);
758   CHECK_PARSE("AlwaysBreakTemplateDeclarations: No", BreakTemplateDeclarations,
759               FormatStyle::BTDS_No);
760   CHECK_PARSE("AlwaysBreakTemplateDeclarations: MultiLine",
761               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
762   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
763               FormatStyle::BTDS_Yes);
764   CHECK_PARSE("AlwaysBreakTemplateDeclarations: false",
765               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
766   CHECK_PARSE("AlwaysBreakTemplateDeclarations: true",
767               BreakTemplateDeclarations, FormatStyle::BTDS_Yes);
768 
769   Style.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_All;
770   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: None",
771               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_None);
772   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: All",
773               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_All);
774   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: TopLevel",
775               AlwaysBreakAfterDefinitionReturnType,
776               FormatStyle::DRTBS_TopLevel);
777 
778   Style.NamespaceIndentation = FormatStyle::NI_All;
779   CHECK_PARSE("NamespaceIndentation: None", NamespaceIndentation,
780               FormatStyle::NI_None);
781   CHECK_PARSE("NamespaceIndentation: Inner", NamespaceIndentation,
782               FormatStyle::NI_Inner);
783   CHECK_PARSE("NamespaceIndentation: All", NamespaceIndentation,
784               FormatStyle::NI_All);
785 
786   Style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_OnlyFirstIf;
787   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Never",
788               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
789   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: WithoutElse",
790               AllowShortIfStatementsOnASingleLine,
791               FormatStyle::SIS_WithoutElse);
792   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: OnlyFirstIf",
793               AllowShortIfStatementsOnASingleLine,
794               FormatStyle::SIS_OnlyFirstIf);
795   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: AllIfsAndElse",
796               AllowShortIfStatementsOnASingleLine,
797               FormatStyle::SIS_AllIfsAndElse);
798   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Always",
799               AllowShortIfStatementsOnASingleLine,
800               FormatStyle::SIS_OnlyFirstIf);
801   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: false",
802               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
803   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: true",
804               AllowShortIfStatementsOnASingleLine,
805               FormatStyle::SIS_WithoutElse);
806 
807   Style.IndentExternBlock = FormatStyle::IEBS_NoIndent;
808   CHECK_PARSE("IndentExternBlock: AfterExternBlock", IndentExternBlock,
809               FormatStyle::IEBS_AfterExternBlock);
810   CHECK_PARSE("IndentExternBlock: Indent", IndentExternBlock,
811               FormatStyle::IEBS_Indent);
812   CHECK_PARSE("IndentExternBlock: NoIndent", IndentExternBlock,
813               FormatStyle::IEBS_NoIndent);
814   CHECK_PARSE("IndentExternBlock: true", IndentExternBlock,
815               FormatStyle::IEBS_Indent);
816   CHECK_PARSE("IndentExternBlock: false", IndentExternBlock,
817               FormatStyle::IEBS_NoIndent);
818 
819   Style.BitFieldColonSpacing = FormatStyle::BFCS_None;
820   CHECK_PARSE("BitFieldColonSpacing: Both", BitFieldColonSpacing,
821               FormatStyle::BFCS_Both);
822   CHECK_PARSE("BitFieldColonSpacing: None", BitFieldColonSpacing,
823               FormatStyle::BFCS_None);
824   CHECK_PARSE("BitFieldColonSpacing: Before", BitFieldColonSpacing,
825               FormatStyle::BFCS_Before);
826   CHECK_PARSE("BitFieldColonSpacing: After", BitFieldColonSpacing,
827               FormatStyle::BFCS_After);
828 
829   Style.SortJavaStaticImport = FormatStyle::SJSIO_Before;
830   CHECK_PARSE("SortJavaStaticImport: After", SortJavaStaticImport,
831               FormatStyle::SJSIO_After);
832   CHECK_PARSE("SortJavaStaticImport: Before", SortJavaStaticImport,
833               FormatStyle::SJSIO_Before);
834 
835   Style.SortUsingDeclarations = FormatStyle::SUD_LexicographicNumeric;
836   CHECK_PARSE("SortUsingDeclarations: Never", SortUsingDeclarations,
837               FormatStyle::SUD_Never);
838   CHECK_PARSE("SortUsingDeclarations: Lexicographic", SortUsingDeclarations,
839               FormatStyle::SUD_Lexicographic);
840   CHECK_PARSE("SortUsingDeclarations: LexicographicNumeric",
841               SortUsingDeclarations, FormatStyle::SUD_LexicographicNumeric);
842   // For backward compatibility:
843   CHECK_PARSE("SortUsingDeclarations: false", SortUsingDeclarations,
844               FormatStyle::SUD_Never);
845   CHECK_PARSE("SortUsingDeclarations: true", SortUsingDeclarations,
846               FormatStyle::SUD_LexicographicNumeric);
847 
848   // FIXME: This is required because parsing a configuration simply overwrites
849   // the first N elements of the list instead of resetting it.
850   Style.ForEachMacros.clear();
851   std::vector<std::string> BoostForeach;
852   BoostForeach.push_back("BOOST_FOREACH");
853   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH]", ForEachMacros, BoostForeach);
854   std::vector<std::string> BoostAndQForeach;
855   BoostAndQForeach.push_back("BOOST_FOREACH");
856   BoostAndQForeach.push_back("Q_FOREACH");
857   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH, Q_FOREACH]", ForEachMacros,
858               BoostAndQForeach);
859 
860   Style.IfMacros.clear();
861   std::vector<std::string> CustomIfs;
862   CustomIfs.push_back("MYIF");
863   CHECK_PARSE("IfMacros: [MYIF]", IfMacros, CustomIfs);
864 
865   Style.AttributeMacros.clear();
866   CHECK_PARSE("BasedOnStyle: LLVM", AttributeMacros,
867               std::vector<std::string>{"__capability"});
868   CHECK_PARSE("AttributeMacros: [attr1, attr2]", AttributeMacros,
869               std::vector<std::string>({"attr1", "attr2"}));
870 
871   Style.StatementAttributeLikeMacros.clear();
872   CHECK_PARSE("StatementAttributeLikeMacros: [emit,Q_EMIT]",
873               StatementAttributeLikeMacros,
874               std::vector<std::string>({"emit", "Q_EMIT"}));
875 
876   Style.StatementMacros.clear();
877   CHECK_PARSE("StatementMacros: [QUNUSED]", StatementMacros,
878               std::vector<std::string>{"QUNUSED"});
879   CHECK_PARSE("StatementMacros: [QUNUSED, QT_REQUIRE_VERSION]", StatementMacros,
880               std::vector<std::string>({"QUNUSED", "QT_REQUIRE_VERSION"}));
881 
882   Style.NamespaceMacros.clear();
883   CHECK_PARSE("NamespaceMacros: [TESTSUITE]", NamespaceMacros,
884               std::vector<std::string>{"TESTSUITE"});
885   CHECK_PARSE("NamespaceMacros: [TESTSUITE, SUITE]", NamespaceMacros,
886               std::vector<std::string>({"TESTSUITE", "SUITE"}));
887 
888   Style.WhitespaceSensitiveMacros.clear();
889   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE]",
890               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
891   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE, ASSERT]",
892               WhitespaceSensitiveMacros,
893               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
894   Style.WhitespaceSensitiveMacros.clear();
895   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE']",
896               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
897   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE', 'ASSERT']",
898               WhitespaceSensitiveMacros,
899               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
900 
901   Style.IncludeStyle.IncludeCategories.clear();
902   std::vector<tooling::IncludeStyle::IncludeCategory> ExpectedCategories = {
903       {"abc/.*", 2, 0, false}, {".*", 1, 0, true}};
904   CHECK_PARSE("IncludeCategories:\n"
905               "  - Regex: abc/.*\n"
906               "    Priority: 2\n"
907               "  - Regex: .*\n"
908               "    Priority: 1\n"
909               "    CaseSensitive: true",
910               IncludeStyle.IncludeCategories, ExpectedCategories);
911   CHECK_PARSE("IncludeIsMainRegex: 'abc$'", IncludeStyle.IncludeIsMainRegex,
912               "abc$");
913   CHECK_PARSE("IncludeIsMainSourceRegex: 'abc$'",
914               IncludeStyle.IncludeIsMainSourceRegex, "abc$");
915 
916   Style.SortIncludes = FormatStyle::SI_Never;
917   CHECK_PARSE("SortIncludes: true", SortIncludes,
918               FormatStyle::SI_CaseSensitive);
919   CHECK_PARSE("SortIncludes: false", SortIncludes, FormatStyle::SI_Never);
920   CHECK_PARSE("SortIncludes: CaseInsensitive", SortIncludes,
921               FormatStyle::SI_CaseInsensitive);
922   CHECK_PARSE("SortIncludes: CaseSensitive", SortIncludes,
923               FormatStyle::SI_CaseSensitive);
924   CHECK_PARSE("SortIncludes: Never", SortIncludes, FormatStyle::SI_Never);
925 
926   Style.RawStringFormats.clear();
927   std::vector<FormatStyle::RawStringFormat> ExpectedRawStringFormats = {
928       {
929           FormatStyle::LK_TextProto,
930           {"pb", "proto"},
931           {"PARSE_TEXT_PROTO"},
932           /*CanonicalDelimiter=*/"",
933           "llvm",
934       },
935       {
936           FormatStyle::LK_Cpp,
937           {"cc", "cpp"},
938           {"C_CODEBLOCK", "CPPEVAL"},
939           /*CanonicalDelimiter=*/"cc",
940           /*BasedOnStyle=*/"",
941       },
942   };
943 
944   CHECK_PARSE("RawStringFormats:\n"
945               "  - Language: TextProto\n"
946               "    Delimiters:\n"
947               "      - 'pb'\n"
948               "      - 'proto'\n"
949               "    EnclosingFunctions:\n"
950               "      - 'PARSE_TEXT_PROTO'\n"
951               "    BasedOnStyle: llvm\n"
952               "  - Language: Cpp\n"
953               "    Delimiters:\n"
954               "      - 'cc'\n"
955               "      - 'cpp'\n"
956               "    EnclosingFunctions:\n"
957               "      - 'C_CODEBLOCK'\n"
958               "      - 'CPPEVAL'\n"
959               "    CanonicalDelimiter: 'cc'",
960               RawStringFormats, ExpectedRawStringFormats);
961 
962   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
963               "  Minimum: 0\n"
964               "  Maximum: 0",
965               SpacesInLineCommentPrefix.Minimum, 0u);
966   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Maximum, 0u);
967   Style.SpacesInLineCommentPrefix.Minimum = 1;
968   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
969               "  Minimum: 2",
970               SpacesInLineCommentPrefix.Minimum, 0u);
971   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
972               "  Maximum: -1",
973               SpacesInLineCommentPrefix.Maximum, -1u);
974   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
975               "  Minimum: 2",
976               SpacesInLineCommentPrefix.Minimum, 2u);
977   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
978               "  Maximum: 1",
979               SpacesInLineCommentPrefix.Maximum, 1u);
980   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Minimum, 1u);
981 
982   Style.SpacesInAngles = FormatStyle::SIAS_Always;
983   CHECK_PARSE("SpacesInAngles: Never", SpacesInAngles, FormatStyle::SIAS_Never);
984   CHECK_PARSE("SpacesInAngles: Always", SpacesInAngles,
985               FormatStyle::SIAS_Always);
986   CHECK_PARSE("SpacesInAngles: Leave", SpacesInAngles, FormatStyle::SIAS_Leave);
987   // For backward compatibility:
988   CHECK_PARSE("SpacesInAngles: false", SpacesInAngles, FormatStyle::SIAS_Never);
989   CHECK_PARSE("SpacesInAngles: true", SpacesInAngles, FormatStyle::SIAS_Always);
990 
991   CHECK_PARSE("RequiresClausePosition: WithPreceding", RequiresClausePosition,
992               FormatStyle::RCPS_WithPreceding);
993   CHECK_PARSE("RequiresClausePosition: WithFollowing", RequiresClausePosition,
994               FormatStyle::RCPS_WithFollowing);
995   CHECK_PARSE("RequiresClausePosition: SingleLine", RequiresClausePosition,
996               FormatStyle::RCPS_SingleLine);
997   CHECK_PARSE("RequiresClausePosition: OwnLine", RequiresClausePosition,
998               FormatStyle::RCPS_OwnLine);
999 
1000   CHECK_PARSE("BreakBeforeConceptDeclarations: Never",
1001               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Never);
1002   CHECK_PARSE("BreakBeforeConceptDeclarations: Always",
1003               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1004   CHECK_PARSE("BreakBeforeConceptDeclarations: Allowed",
1005               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1006   // For backward compatibility:
1007   CHECK_PARSE("BreakBeforeConceptDeclarations: true",
1008               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1009   CHECK_PARSE("BreakBeforeConceptDeclarations: false",
1010               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1011 
1012   CHECK_PARSE("BreakAfterAttributes: Always", BreakAfterAttributes,
1013               FormatStyle::ABS_Always);
1014   CHECK_PARSE("BreakAfterAttributes: Leave", BreakAfterAttributes,
1015               FormatStyle::ABS_Leave);
1016   CHECK_PARSE("BreakAfterAttributes: Never", BreakAfterAttributes,
1017               FormatStyle::ABS_Never);
1018 
1019   const auto DefaultLineEnding = FormatStyle::LE_DeriveLF;
1020   CHECK_PARSE("LineEnding: LF", LineEnding, FormatStyle::LE_LF);
1021   CHECK_PARSE("LineEnding: CRLF", LineEnding, FormatStyle::LE_CRLF);
1022   CHECK_PARSE("LineEnding: DeriveCRLF", LineEnding, FormatStyle::LE_DeriveCRLF);
1023   CHECK_PARSE("LineEnding: DeriveLF", LineEnding, DefaultLineEnding);
1024   // For backward compatibility:
1025   CHECK_PARSE("DeriveLineEnding: false", LineEnding, FormatStyle::LE_LF);
1026   Style.LineEnding = DefaultLineEnding;
1027   CHECK_PARSE("DeriveLineEnding: false\n"
1028               "UseCRLF: true",
1029               LineEnding, FormatStyle::LE_CRLF);
1030   Style.LineEnding = DefaultLineEnding;
1031   CHECK_PARSE("UseCRLF: true", LineEnding, FormatStyle::LE_DeriveCRLF);
1032 
1033   CHECK_PARSE("RemoveParentheses: MultipleParentheses", RemoveParentheses,
1034               FormatStyle::RPS_MultipleParentheses);
1035   CHECK_PARSE("RemoveParentheses: ReturnStatement", RemoveParentheses,
1036               FormatStyle::RPS_ReturnStatement);
1037   CHECK_PARSE("RemoveParentheses: Leave", RemoveParentheses,
1038               FormatStyle::RPS_Leave);
1039 
1040   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Always",
1041               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Always);
1042   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: OnlyWithParen",
1043               AllowBreakBeforeNoexceptSpecifier,
1044               FormatStyle::BBNSS_OnlyWithParen);
1045   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Never",
1046               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Never);
1047 
1048   Style.SeparateDefinitionBlocks = FormatStyle::SDS_Never;
1049   CHECK_PARSE("SeparateDefinitionBlocks: Always", SeparateDefinitionBlocks,
1050               FormatStyle::SDS_Always);
1051   CHECK_PARSE("SeparateDefinitionBlocks: Leave", SeparateDefinitionBlocks,
1052               FormatStyle::SDS_Leave);
1053   CHECK_PARSE("SeparateDefinitionBlocks: Never", SeparateDefinitionBlocks,
1054               FormatStyle::SDS_Never);
1055 }
1056 
1057 TEST(ConfigParseTest, ParsesConfigurationWithLanguages) {
1058   FormatStyle Style = {};
1059   Style.Language = FormatStyle::LK_Cpp;
1060   CHECK_PARSE("Language: Cpp\n"
1061               "IndentWidth: 12",
1062               IndentWidth, 12u);
1063   EXPECT_EQ(parseConfiguration("Language: JavaScript\n"
1064                                "IndentWidth: 34",
1065                                &Style),
1066             ParseError::Unsuitable);
1067   FormatStyle BinPackedTCS = {};
1068   BinPackedTCS.Language = FormatStyle::LK_JavaScript;
1069   EXPECT_EQ(parseConfiguration("BinPackArguments: true\n"
1070                                "InsertTrailingCommas: Wrapped",
1071                                &BinPackedTCS),
1072             ParseError::BinPackTrailingCommaConflict);
1073   EXPECT_EQ(12u, Style.IndentWidth);
1074   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1075   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1076 
1077   Style.Language = FormatStyle::LK_JavaScript;
1078   CHECK_PARSE("Language: JavaScript\n"
1079               "IndentWidth: 12",
1080               IndentWidth, 12u);
1081   CHECK_PARSE("IndentWidth: 23", IndentWidth, 23u);
1082   EXPECT_EQ(parseConfiguration("Language: Cpp\n"
1083                                "IndentWidth: 34",
1084                                &Style),
1085             ParseError::Unsuitable);
1086   EXPECT_EQ(23u, Style.IndentWidth);
1087   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1088   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1089 
1090   CHECK_PARSE("BasedOnStyle: LLVM\n"
1091               "IndentWidth: 67",
1092               IndentWidth, 67u);
1093 
1094   CHECK_PARSE("---\n"
1095               "Language: JavaScript\n"
1096               "IndentWidth: 12\n"
1097               "---\n"
1098               "Language: Cpp\n"
1099               "IndentWidth: 34\n"
1100               "...\n",
1101               IndentWidth, 12u);
1102 
1103   Style.Language = FormatStyle::LK_Cpp;
1104   CHECK_PARSE("---\n"
1105               "Language: JavaScript\n"
1106               "IndentWidth: 12\n"
1107               "---\n"
1108               "Language: Cpp\n"
1109               "IndentWidth: 34\n"
1110               "...\n",
1111               IndentWidth, 34u);
1112   CHECK_PARSE("---\n"
1113               "IndentWidth: 78\n"
1114               "---\n"
1115               "Language: JavaScript\n"
1116               "IndentWidth: 56\n"
1117               "...\n",
1118               IndentWidth, 78u);
1119 
1120   Style.ColumnLimit = 123;
1121   Style.IndentWidth = 234;
1122   Style.BreakBeforeBraces = FormatStyle::BS_Linux;
1123   Style.TabWidth = 345;
1124   EXPECT_FALSE(parseConfiguration("---\n"
1125                                   "IndentWidth: 456\n"
1126                                   "BreakBeforeBraces: Allman\n"
1127                                   "---\n"
1128                                   "Language: JavaScript\n"
1129                                   "IndentWidth: 111\n"
1130                                   "TabWidth: 111\n"
1131                                   "---\n"
1132                                   "Language: Cpp\n"
1133                                   "BreakBeforeBraces: Stroustrup\n"
1134                                   "TabWidth: 789\n"
1135                                   "...\n",
1136                                   &Style));
1137   EXPECT_EQ(123u, Style.ColumnLimit);
1138   EXPECT_EQ(456u, Style.IndentWidth);
1139   EXPECT_EQ(FormatStyle::BS_Stroustrup, Style.BreakBeforeBraces);
1140   EXPECT_EQ(789u, Style.TabWidth);
1141 
1142   EXPECT_EQ(parseConfiguration("---\n"
1143                                "Language: JavaScript\n"
1144                                "IndentWidth: 56\n"
1145                                "---\n"
1146                                "IndentWidth: 78\n"
1147                                "...\n",
1148                                &Style),
1149             ParseError::Error);
1150   EXPECT_EQ(parseConfiguration("---\n"
1151                                "Language: JavaScript\n"
1152                                "IndentWidth: 56\n"
1153                                "---\n"
1154                                "Language: JavaScript\n"
1155                                "IndentWidth: 78\n"
1156                                "...\n",
1157                                &Style),
1158             ParseError::Error);
1159 
1160   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1161 
1162   Style.Language = FormatStyle::LK_Verilog;
1163   CHECK_PARSE("---\n"
1164               "Language: Verilog\n"
1165               "IndentWidth: 12\n"
1166               "---\n"
1167               "Language: Cpp\n"
1168               "IndentWidth: 34\n"
1169               "...\n",
1170               IndentWidth, 12u);
1171   CHECK_PARSE("---\n"
1172               "IndentWidth: 78\n"
1173               "---\n"
1174               "Language: Verilog\n"
1175               "IndentWidth: 56\n"
1176               "...\n",
1177               IndentWidth, 56u);
1178 }
1179 
1180 TEST(ConfigParseTest, UsesLanguageForBasedOnStyle) {
1181   FormatStyle Style = {};
1182   Style.Language = FormatStyle::LK_JavaScript;
1183   Style.BreakBeforeTernaryOperators = true;
1184   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google", &Style).value());
1185   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1186 
1187   Style.BreakBeforeTernaryOperators = true;
1188   EXPECT_EQ(0, parseConfiguration("---\n"
1189                                   "BasedOnStyle: Google\n"
1190                                   "---\n"
1191                                   "Language: JavaScript\n"
1192                                   "IndentWidth: 76\n"
1193                                   "...\n",
1194                                   &Style)
1195                    .value());
1196   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1197   EXPECT_EQ(76u, Style.IndentWidth);
1198   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1199 }
1200 
1201 TEST(ConfigParseTest, ConfigurationRoundTripTest) {
1202   FormatStyle Style = getLLVMStyle();
1203   std::string YAML = configurationAsText(Style);
1204   FormatStyle ParsedStyle = {};
1205   ParsedStyle.Language = FormatStyle::LK_Cpp;
1206   EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value());
1207   EXPECT_EQ(Style, ParsedStyle);
1208 }
1209 
1210 TEST(ConfigParseTest, GetStyleWithEmptyFileName) {
1211   llvm::vfs::InMemoryFileSystem FS;
1212   auto Style1 = getStyle("file", "", "Google", "", &FS);
1213   ASSERT_TRUE((bool)Style1);
1214   ASSERT_EQ(*Style1, getGoogleStyle());
1215 }
1216 
1217 TEST(ConfigParseTest, GetStyleOfFile) {
1218   llvm::vfs::InMemoryFileSystem FS;
1219   // Test 1: format file in the same directory.
1220   ASSERT_TRUE(
1221       FS.addFile("/a/.clang-format", 0,
1222                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1223   ASSERT_TRUE(
1224       FS.addFile("/a/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1225   auto Style1 = getStyle("file", "/a/.clang-format", "Google", "", &FS);
1226   ASSERT_TRUE((bool)Style1);
1227   ASSERT_EQ(*Style1, getLLVMStyle());
1228 
1229   // Test 2.1: fallback to default.
1230   ASSERT_TRUE(
1231       FS.addFile("/b/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1232   auto Style2 = getStyle("file", "/b/test.cpp", "Mozilla", "", &FS);
1233   ASSERT_TRUE((bool)Style2);
1234   ASSERT_EQ(*Style2, getMozillaStyle());
1235 
1236   // Test 2.2: no format on 'none' fallback style.
1237   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1238   ASSERT_TRUE((bool)Style2);
1239   ASSERT_EQ(*Style2, getNoStyle());
1240 
1241   // Test 2.3: format if config is found with no based style while fallback is
1242   // 'none'.
1243   ASSERT_TRUE(FS.addFile("/b/.clang-format", 0,
1244                          llvm::MemoryBuffer::getMemBuffer("IndentWidth: 2")));
1245   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1246   ASSERT_TRUE((bool)Style2);
1247   ASSERT_EQ(*Style2, getLLVMStyle());
1248 
1249   // Test 2.4: format if yaml with no based style, while fallback is 'none'.
1250   Style2 = getStyle("{}", "a.h", "none", "", &FS);
1251   ASSERT_TRUE((bool)Style2);
1252   ASSERT_EQ(*Style2, getLLVMStyle());
1253 
1254   // Test 3: format file in parent directory.
1255   ASSERT_TRUE(
1256       FS.addFile("/c/.clang-format", 0,
1257                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1258   ASSERT_TRUE(FS.addFile("/c/sub/sub/sub/test.cpp", 0,
1259                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1260   auto Style3 = getStyle("file", "/c/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1261   ASSERT_TRUE((bool)Style3);
1262   ASSERT_EQ(*Style3, getGoogleStyle());
1263 
1264   // Test 4: error on invalid fallback style
1265   auto Style4 = getStyle("file", "a.h", "KungFu", "", &FS);
1266   ASSERT_FALSE((bool)Style4);
1267   llvm::consumeError(Style4.takeError());
1268 
1269   // Test 5: error on invalid yaml on command line
1270   auto Style5 = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1271                          /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1272   ASSERT_FALSE((bool)Style5);
1273   llvm::consumeError(Style5.takeError());
1274 
1275   // Test 6: error on invalid style
1276   auto Style6 = getStyle("KungFu", "a.h", "LLVM", "", &FS);
1277   ASSERT_FALSE((bool)Style6);
1278   llvm::consumeError(Style6.takeError());
1279 
1280   // Test 7: found config file, error on parsing it
1281   ASSERT_TRUE(
1282       FS.addFile("/d/.clang-format", 0,
1283                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM\n"
1284                                                   "InvalidKey: InvalidValue")));
1285   ASSERT_TRUE(
1286       FS.addFile("/d/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1287   auto Style7a = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1288                           /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1289   ASSERT_FALSE((bool)Style7a);
1290   llvm::consumeError(Style7a.takeError());
1291 
1292   auto Style7b = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1293                           /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1294   ASSERT_TRUE((bool)Style7b);
1295 
1296   // Test 8: inferred per-language defaults apply.
1297   auto StyleTd = getStyle("file", "x.td", "llvm", "", &FS);
1298   ASSERT_TRUE((bool)StyleTd);
1299   ASSERT_EQ(*StyleTd, getLLVMStyle(FormatStyle::LK_TableGen));
1300 
1301   // Test 9.1.1: overwriting a file style, when no parent file exists with no
1302   // fallback style.
1303   ASSERT_TRUE(FS.addFile(
1304       "/e/sub/.clang-format", 0,
1305       llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: InheritParentConfig\n"
1306                                        "ColumnLimit: 20")));
1307   ASSERT_TRUE(FS.addFile("/e/sub/code.cpp", 0,
1308                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1309   auto Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1310   ASSERT_TRUE(static_cast<bool>(Style9));
1311   ASSERT_EQ(*Style9, [] {
1312     auto Style = getNoStyle();
1313     Style.ColumnLimit = 20;
1314     return Style;
1315   }());
1316 
1317   // Test 9.1.2: propagate more than one level with no parent file.
1318   ASSERT_TRUE(FS.addFile("/e/sub/sub/code.cpp", 0,
1319                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1320   ASSERT_TRUE(FS.addFile("/e/sub/sub/.clang-format", 0,
1321                          llvm::MemoryBuffer::getMemBuffer(
1322                              "BasedOnStyle: InheritParentConfig\n"
1323                              "WhitespaceSensitiveMacros: ['FOO', 'BAR']")));
1324   std::vector<std::string> NonDefaultWhiteSpaceMacros =
1325       Style9->WhitespaceSensitiveMacros;
1326   NonDefaultWhiteSpaceMacros[0] = "FOO";
1327   NonDefaultWhiteSpaceMacros[1] = "BAR";
1328 
1329   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1330   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1331   ASSERT_TRUE(static_cast<bool>(Style9));
1332   ASSERT_EQ(*Style9, [&NonDefaultWhiteSpaceMacros] {
1333     auto Style = getNoStyle();
1334     Style.ColumnLimit = 20;
1335     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1336     return Style;
1337   }());
1338 
1339   // Test 9.2: with LLVM fallback style
1340   Style9 = getStyle("file", "/e/sub/code.cpp", "LLVM", "", &FS);
1341   ASSERT_TRUE(static_cast<bool>(Style9));
1342   ASSERT_EQ(*Style9, [] {
1343     auto Style = getLLVMStyle();
1344     Style.ColumnLimit = 20;
1345     return Style;
1346   }());
1347 
1348   // Test 9.3: with a parent file
1349   ASSERT_TRUE(
1350       FS.addFile("/e/.clang-format", 0,
1351                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google\n"
1352                                                   "UseTab: Always")));
1353   Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1354   ASSERT_TRUE(static_cast<bool>(Style9));
1355   ASSERT_EQ(*Style9, [] {
1356     auto Style = getGoogleStyle();
1357     Style.ColumnLimit = 20;
1358     Style.UseTab = FormatStyle::UT_Always;
1359     return Style;
1360   }());
1361 
1362   // Test 9.4: propagate more than one level with a parent file.
1363   const auto SubSubStyle = [&NonDefaultWhiteSpaceMacros] {
1364     auto Style = getGoogleStyle();
1365     Style.ColumnLimit = 20;
1366     Style.UseTab = FormatStyle::UT_Always;
1367     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1368     return Style;
1369   }();
1370 
1371   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1372   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1373   ASSERT_TRUE(static_cast<bool>(Style9));
1374   ASSERT_EQ(*Style9, SubSubStyle);
1375 
1376   // Test 9.5: use InheritParentConfig as style name
1377   Style9 =
1378       getStyle("inheritparentconfig", "/e/sub/sub/code.cpp", "none", "", &FS);
1379   ASSERT_TRUE(static_cast<bool>(Style9));
1380   ASSERT_EQ(*Style9, SubSubStyle);
1381 
1382   // Test 9.6: use command line style with inheritance
1383   Style9 = getStyle("{BasedOnStyle: InheritParentConfig}",
1384                     "/e/sub/sub/code.cpp", "none", "", &FS);
1385   ASSERT_TRUE(static_cast<bool>(Style9));
1386   ASSERT_EQ(*Style9, SubSubStyle);
1387 
1388   // Test 9.7: use command line style with inheritance and own config
1389   Style9 = getStyle("{BasedOnStyle: InheritParentConfig, "
1390                     "WhitespaceSensitiveMacros: ['FOO', 'BAR']}",
1391                     "/e/sub/code.cpp", "none", "", &FS);
1392   ASSERT_TRUE(static_cast<bool>(Style9));
1393   ASSERT_EQ(*Style9, SubSubStyle);
1394 
1395   // Test 9.8: use inheritance from a file without BasedOnStyle
1396   ASSERT_TRUE(FS.addFile("/e/withoutbase/.clang-format", 0,
1397                          llvm::MemoryBuffer::getMemBuffer("ColumnLimit: 123")));
1398   ASSERT_TRUE(
1399       FS.addFile("/e/withoutbase/sub/.clang-format", 0,
1400                  llvm::MemoryBuffer::getMemBuffer(
1401                      "BasedOnStyle: InheritParentConfig\nIndentWidth: 7")));
1402   // Make sure we do not use the fallback style
1403   Style9 = getStyle("file", "/e/withoutbase/code.cpp", "google", "", &FS);
1404   ASSERT_TRUE(static_cast<bool>(Style9));
1405   ASSERT_EQ(*Style9, [] {
1406     auto Style = getLLVMStyle();
1407     Style.ColumnLimit = 123;
1408     return Style;
1409   }());
1410 
1411   Style9 = getStyle("file", "/e/withoutbase/sub/code.cpp", "google", "", &FS);
1412   ASSERT_TRUE(static_cast<bool>(Style9));
1413   ASSERT_EQ(*Style9, [] {
1414     auto Style = getLLVMStyle();
1415     Style.ColumnLimit = 123;
1416     Style.IndentWidth = 7;
1417     return Style;
1418   }());
1419 
1420   // Test 9.9: use inheritance from a specific config file.
1421   Style9 = getStyle("file:/e/sub/sub/.clang-format", "/e/sub/sub/code.cpp",
1422                     "none", "", &FS);
1423   ASSERT_TRUE(static_cast<bool>(Style9));
1424   ASSERT_EQ(*Style9, SubSubStyle);
1425 }
1426 
1427 TEST(ConfigParseTest, GetStyleOfSpecificFile) {
1428   llvm::vfs::InMemoryFileSystem FS;
1429   // Specify absolute path to a format file in a parent directory.
1430   ASSERT_TRUE(
1431       FS.addFile("/e/.clang-format", 0,
1432                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1433   ASSERT_TRUE(
1434       FS.addFile("/e/explicit.clang-format", 0,
1435                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1436   ASSERT_TRUE(FS.addFile("/e/sub/sub/sub/test.cpp", 0,
1437                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1438   auto Style = getStyle("file:/e/explicit.clang-format",
1439                         "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1440   ASSERT_TRUE(static_cast<bool>(Style));
1441   ASSERT_EQ(*Style, getGoogleStyle());
1442 
1443   // Specify relative path to a format file.
1444   ASSERT_TRUE(
1445       FS.addFile("../../e/explicit.clang-format", 0,
1446                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1447   Style = getStyle("file:../../e/explicit.clang-format",
1448                    "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1449   ASSERT_TRUE(static_cast<bool>(Style));
1450   ASSERT_EQ(*Style, getGoogleStyle());
1451 
1452   // Specify path to a format file that does not exist.
1453   Style = getStyle("file:/e/missing.clang-format", "/e/sub/sub/sub/test.cpp",
1454                    "LLVM", "", &FS);
1455   ASSERT_FALSE(static_cast<bool>(Style));
1456   llvm::consumeError(Style.takeError());
1457 
1458   // Specify path to a file on the filesystem.
1459   SmallString<128> FormatFilePath;
1460   std::error_code ECF = llvm::sys::fs::createTemporaryFile(
1461       "FormatFileTest", "tpl", FormatFilePath);
1462   EXPECT_FALSE((bool)ECF);
1463   llvm::raw_fd_ostream FormatFileTest(FormatFilePath, ECF);
1464   EXPECT_FALSE((bool)ECF);
1465   FormatFileTest << "BasedOnStyle: Google\n";
1466   FormatFileTest.close();
1467 
1468   SmallString<128> TestFilePath;
1469   std::error_code ECT =
1470       llvm::sys::fs::createTemporaryFile("CodeFileTest", "cc", TestFilePath);
1471   EXPECT_FALSE((bool)ECT);
1472   llvm::raw_fd_ostream CodeFileTest(TestFilePath, ECT);
1473   CodeFileTest << "int i;\n";
1474   CodeFileTest.close();
1475 
1476   std::string format_file_arg = std::string("file:") + FormatFilePath.c_str();
1477   Style = getStyle(format_file_arg, TestFilePath, "LLVM", "", nullptr);
1478 
1479   llvm::sys::fs::remove(FormatFilePath.c_str());
1480   llvm::sys::fs::remove(TestFilePath.c_str());
1481   ASSERT_TRUE(static_cast<bool>(Style));
1482   ASSERT_EQ(*Style, getGoogleStyle());
1483 }
1484 
1485 TEST(ConfigParseTest, GetStyleOutput) {
1486   llvm::vfs::InMemoryFileSystem FS;
1487 
1488   // Don't suppress output.
1489   testing::internal::CaptureStderr();
1490   auto Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1491                         /*AllowUnknownOptions=*/true);
1492   auto Output = testing::internal::GetCapturedStderr();
1493   ASSERT_TRUE((bool)Style);
1494   ASSERT_FALSE(Output.empty());
1495 
1496   // Suppress stderr.
1497   testing::internal::CaptureStderr();
1498   Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1499                    /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1500   Output = testing::internal::GetCapturedStderr();
1501   ASSERT_TRUE((bool)Style);
1502   ASSERT_TRUE(Output.empty());
1503 }
1504 
1505 } // namespace
1506 } // namespace format
1507 } // namespace clang
1508