xref: /llvm-project/clang/unittests/Format/ConfigParseTest.cpp (revision 66f16e682f84551552099a45e608fa260b14e3ab)
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_LIST(FIELD)                                                \
148   CHECK_PARSE(#FIELD ": [foo]", FIELD, std::vector<std::string>{"foo"})
149 
150 #define CHECK_PARSE_NESTED_VALUE(TEXT, STRUCT, FIELD, VALUE)                   \
151   EXPECT_NE(VALUE, Style.STRUCT.FIELD) << "Initial value already the same!";   \
152   EXPECT_EQ(0, parseConfiguration(#STRUCT ":\n  " TEXT, &Style).value());      \
153   EXPECT_EQ(VALUE, Style.STRUCT.FIELD) << "Unexpected value after parsing!"
154 
155 TEST(ConfigParseTest, ParsesConfigurationBools) {
156   FormatStyle Style = {};
157   Style.Language = FormatStyle::LK_Cpp;
158   CHECK_PARSE_BOOL(AllowAllArgumentsOnNextLine);
159   CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine);
160   CHECK_PARSE_BOOL(AllowShortCaseExpressionOnASingleLine);
161   CHECK_PARSE_BOOL(AllowShortCaseLabelsOnASingleLine);
162   CHECK_PARSE_BOOL(AllowShortCompoundRequirementOnASingleLine);
163   CHECK_PARSE_BOOL(AllowShortEnumsOnASingleLine);
164   CHECK_PARSE_BOOL(AllowShortLoopsOnASingleLine);
165   CHECK_PARSE_BOOL(AllowShortNamespacesOnASingleLine);
166   CHECK_PARSE_BOOL(BinPackArguments);
167   CHECK_PARSE_BOOL(BreakAdjacentStringLiterals);
168   CHECK_PARSE_BOOL(BreakAfterJavaFieldAnnotations);
169   CHECK_PARSE_BOOL(BreakBeforeTernaryOperators);
170   CHECK_PARSE_BOOL(BreakStringLiterals);
171   CHECK_PARSE_BOOL(CompactNamespaces);
172   CHECK_PARSE_BOOL(Cpp11BracedListStyle);
173   CHECK_PARSE_BOOL(DerivePointerAlignment);
174   CHECK_PARSE_BOOL_FIELD(DerivePointerAlignment, "DerivePointerBinding");
175   CHECK_PARSE_BOOL(DisableFormat);
176   CHECK_PARSE_BOOL(IndentAccessModifiers);
177   CHECK_PARSE_BOOL(IndentCaseBlocks);
178   CHECK_PARSE_BOOL(IndentCaseLabels);
179   CHECK_PARSE_BOOL(IndentGotoLabels);
180   CHECK_PARSE_BOOL(IndentRequiresClause);
181   CHECK_PARSE_BOOL_FIELD(IndentRequiresClause, "IndentRequires");
182   CHECK_PARSE_BOOL(IndentWrappedFunctionNames);
183   CHECK_PARSE_BOOL(InsertBraces);
184   CHECK_PARSE_BOOL(InsertNewlineAtEOF);
185   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtEndOfFile, "KeepEmptyLinesAtEOF");
186   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtStartOfBlock,
187                          "KeepEmptyLinesAtTheStartOfBlocks");
188   CHECK_PARSE_BOOL(KeepFormFeed);
189   CHECK_PARSE_BOOL(ObjCSpaceAfterProperty);
190   CHECK_PARSE_BOOL(ObjCSpaceBeforeProtocolList);
191   CHECK_PARSE_BOOL(RemoveBracesLLVM);
192   CHECK_PARSE_BOOL(RemoveEmptyLinesInUnwrappedLines);
193   CHECK_PARSE_BOOL(RemoveSemicolon);
194   CHECK_PARSE_BOOL(SkipMacroDefinitionBody);
195   CHECK_PARSE_BOOL(SpacesInSquareBrackets);
196   CHECK_PARSE_BOOL(SpaceInEmptyBlock);
197   CHECK_PARSE_BOOL(SpacesInContainerLiterals);
198   CHECK_PARSE_BOOL(SpaceAfterCStyleCast);
199   CHECK_PARSE_BOOL(SpaceAfterTemplateKeyword);
200   CHECK_PARSE_BOOL(SpaceAfterLogicalNot);
201   CHECK_PARSE_BOOL(SpaceBeforeAssignmentOperators);
202   CHECK_PARSE_BOOL(SpaceBeforeCaseColon);
203   CHECK_PARSE_BOOL(SpaceBeforeCpp11BracedList);
204   CHECK_PARSE_BOOL(SpaceBeforeCtorInitializerColon);
205   CHECK_PARSE_BOOL(SpaceBeforeInheritanceColon);
206   CHECK_PARSE_BOOL(SpaceBeforeJsonColon);
207   CHECK_PARSE_BOOL(SpaceBeforeRangeBasedForLoopColon);
208   CHECK_PARSE_BOOL(SpaceBeforeSquareBrackets);
209   CHECK_PARSE_BOOL(VerilogBreakBetweenInstancePorts);
210 
211   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, Enabled);
212   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements,
213                           AcrossEmptyLines);
214   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AcrossComments);
215   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseArrows);
216   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseColons);
217   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterCaseLabel);
218   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterClass);
219   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterEnum);
220   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterFunction);
221   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterNamespace);
222   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterObjCDeclaration);
223   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterStruct);
224   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterUnion);
225   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterExternBlock);
226   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeCatch);
227   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeElse);
228   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeLambdaBody);
229   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeWhile);
230   CHECK_PARSE_NESTED_BOOL(BraceWrapping, IndentBraces);
231   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyFunction);
232   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyRecord);
233   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyNamespace);
234   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtEndOfFile);
235   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfBlock);
236   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfFile);
237   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterControlStatements);
238   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterForeachMacros);
239   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
240                           AfterFunctionDeclarationName);
241   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
242                           AfterFunctionDefinitionName);
243   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterIfMacros);
244   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterOverloadedOperator);
245   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterPlacementOperator);
246   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, BeforeNonEmptyParentheses);
247   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, ExceptDoubleParentheses);
248   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InCStyleCasts);
249   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InConditionalStatements);
250   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InEmptyParentheses);
251   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, Other);
252 }
253 
254 #undef CHECK_PARSE_BOOL
255 
256 TEST(ConfigParseTest, ParsesConfiguration) {
257   FormatStyle Style = {};
258   Style.Language = FormatStyle::LK_Cpp;
259   CHECK_PARSE("AccessModifierOffset: -1234", AccessModifierOffset, -1234);
260   CHECK_PARSE("ConstructorInitializerIndentWidth: 1234",
261               ConstructorInitializerIndentWidth, 1234u);
262   CHECK_PARSE("ObjCBlockIndentWidth: 1234", ObjCBlockIndentWidth, 1234u);
263   CHECK_PARSE("ColumnLimit: 1234", ColumnLimit, 1234u);
264   CHECK_PARSE("MaxEmptyLinesToKeep: 1234", MaxEmptyLinesToKeep, 1234u);
265   CHECK_PARSE("PenaltyBreakAssignment: 1234", PenaltyBreakAssignment, 1234u);
266   CHECK_PARSE("PenaltyBreakBeforeFirstCallParameter: 1234",
267               PenaltyBreakBeforeFirstCallParameter, 1234u);
268   CHECK_PARSE("PenaltyBreakTemplateDeclaration: 1234",
269               PenaltyBreakTemplateDeclaration, 1234u);
270   CHECK_PARSE("PenaltyBreakOpenParenthesis: 1234", PenaltyBreakOpenParenthesis,
271               1234u);
272   CHECK_PARSE("PenaltyBreakScopeResolution: 1234", PenaltyBreakScopeResolution,
273               1234u);
274   CHECK_PARSE("PenaltyExcessCharacter: 1234", PenaltyExcessCharacter, 1234u);
275   CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234",
276               PenaltyReturnTypeOnItsOwnLine, 1234u);
277   CHECK_PARSE("SpacesBeforeTrailingComments: 1234",
278               SpacesBeforeTrailingComments, 1234u);
279   CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
280   CHECK_PARSE("ContinuationIndentWidth: 11", ContinuationIndentWidth, 11u);
281   CHECK_PARSE("BracedInitializerIndentWidth: 34", BracedInitializerIndentWidth,
282               34);
283   CHECK_PARSE("CommentPragmas: '// abc$'", CommentPragmas, "// abc$");
284 
285   Style.QualifierAlignment = FormatStyle::QAS_Right;
286   CHECK_PARSE("QualifierAlignment: Leave", QualifierAlignment,
287               FormatStyle::QAS_Leave);
288   CHECK_PARSE("QualifierAlignment: Right", QualifierAlignment,
289               FormatStyle::QAS_Right);
290   CHECK_PARSE("QualifierAlignment: Left", QualifierAlignment,
291               FormatStyle::QAS_Left);
292   CHECK_PARSE("QualifierAlignment: Custom", QualifierAlignment,
293               FormatStyle::QAS_Custom);
294 
295   Style.QualifierOrder.clear();
296   CHECK_PARSE("QualifierOrder: [ const, volatile, type ]", QualifierOrder,
297               std::vector<std::string>({"const", "volatile", "type"}));
298   Style.QualifierOrder.clear();
299   CHECK_PARSE("QualifierOrder: [const, type]", QualifierOrder,
300               std::vector<std::string>({"const", "type"}));
301   Style.QualifierOrder.clear();
302   CHECK_PARSE("QualifierOrder: [volatile, type]", QualifierOrder,
303               std::vector<std::string>({"volatile", "type"}));
304 
305 #define CHECK_ALIGN_CONSECUTIVE(FIELD)                                         \
306   do {                                                                         \
307     Style.FIELD.Enabled = true;                                                \
308     CHECK_PARSE(#FIELD ": None", FIELD,                                        \
309                 FormatStyle::AlignConsecutiveStyle({}));                       \
310     CHECK_PARSE(                                                               \
311         #FIELD ": Consecutive", FIELD,                                         \
312         FormatStyle::AlignConsecutiveStyle(                                    \
313             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
314              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
315              /*AlignFunctionDeclarations=*/true,                               \
316              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
317     CHECK_PARSE(                                                               \
318         #FIELD ": AcrossEmptyLines", FIELD,                                    \
319         FormatStyle::AlignConsecutiveStyle(                                    \
320             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
321              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
322              /*AlignFunctionDeclarations=*/true,                               \
323              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
324     CHECK_PARSE(                                                               \
325         #FIELD ": AcrossComments", FIELD,                                      \
326         FormatStyle::AlignConsecutiveStyle(                                    \
327             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
328              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
329              /*AlignFunctionDeclarations=*/true,                               \
330              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
331     CHECK_PARSE(                                                               \
332         #FIELD ": AcrossEmptyLinesAndComments", FIELD,                         \
333         FormatStyle::AlignConsecutiveStyle(                                    \
334             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
335              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
336              /*AlignFunctionDeclarations=*/true,                               \
337              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
338     /* For backwards compability, false / true should still parse */           \
339     CHECK_PARSE(#FIELD ": false", FIELD,                                       \
340                 FormatStyle::AlignConsecutiveStyle({}));                       \
341     CHECK_PARSE(                                                               \
342         #FIELD ": true", FIELD,                                                \
343         FormatStyle::AlignConsecutiveStyle(                                    \
344             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
345              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
346              /*AlignFunctionDeclarations=*/true,                               \
347              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
348                                                                                \
349     CHECK_PARSE_NESTED_BOOL(FIELD, Enabled);                                   \
350     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossEmptyLines);                          \
351     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossComments);                            \
352     CHECK_PARSE_NESTED_BOOL(FIELD, AlignCompound);                             \
353     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionDeclarations);                 \
354     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionPointers);                     \
355     CHECK_PARSE_NESTED_BOOL(FIELD, PadOperators);                              \
356   } while (false)
357 
358   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveAssignments);
359   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveBitFields);
360   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveMacros);
361   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveDeclarations);
362 
363 #undef CHECK_ALIGN_CONSECUTIVE
364 
365   Style.PointerAlignment = FormatStyle::PAS_Middle;
366   CHECK_PARSE("PointerAlignment: Left", PointerAlignment,
367               FormatStyle::PAS_Left);
368   CHECK_PARSE("PointerAlignment: Right", PointerAlignment,
369               FormatStyle::PAS_Right);
370   CHECK_PARSE("PointerAlignment: Middle", PointerAlignment,
371               FormatStyle::PAS_Middle);
372   Style.ReferenceAlignment = FormatStyle::RAS_Middle;
373   CHECK_PARSE("ReferenceAlignment: Pointer", ReferenceAlignment,
374               FormatStyle::RAS_Pointer);
375   CHECK_PARSE("ReferenceAlignment: Left", ReferenceAlignment,
376               FormatStyle::RAS_Left);
377   CHECK_PARSE("ReferenceAlignment: Right", ReferenceAlignment,
378               FormatStyle::RAS_Right);
379   CHECK_PARSE("ReferenceAlignment: Middle", ReferenceAlignment,
380               FormatStyle::RAS_Middle);
381   // For backward compatibility:
382   CHECK_PARSE("PointerBindsToType: Left", PointerAlignment,
383               FormatStyle::PAS_Left);
384   CHECK_PARSE("PointerBindsToType: Right", PointerAlignment,
385               FormatStyle::PAS_Right);
386   CHECK_PARSE("PointerBindsToType: Middle", PointerAlignment,
387               FormatStyle::PAS_Middle);
388 
389   Style.ReflowComments = FormatStyle::RCS_Always;
390   CHECK_PARSE("ReflowComments: Never", ReflowComments, FormatStyle::RCS_Never);
391   CHECK_PARSE("ReflowComments: IndentOnly", ReflowComments,
392               FormatStyle::RCS_IndentOnly);
393   CHECK_PARSE("ReflowComments: Always", ReflowComments,
394               FormatStyle::RCS_Always);
395   // For backward compatibility:
396   CHECK_PARSE("ReflowComments: false", ReflowComments, FormatStyle::RCS_Never);
397   CHECK_PARSE("ReflowComments: true", ReflowComments, FormatStyle::RCS_Always);
398 
399   Style.Standard = FormatStyle::LS_Auto;
400   CHECK_PARSE("Standard: c++03", Standard, FormatStyle::LS_Cpp03);
401   CHECK_PARSE("Standard: c++11", Standard, FormatStyle::LS_Cpp11);
402   CHECK_PARSE("Standard: c++14", Standard, FormatStyle::LS_Cpp14);
403   CHECK_PARSE("Standard: c++17", Standard, FormatStyle::LS_Cpp17);
404   CHECK_PARSE("Standard: c++20", Standard, FormatStyle::LS_Cpp20);
405   CHECK_PARSE("Standard: Auto", Standard, FormatStyle::LS_Auto);
406   CHECK_PARSE("Standard: Latest", Standard, FormatStyle::LS_Latest);
407   // Legacy aliases:
408   CHECK_PARSE("Standard: Cpp03", Standard, FormatStyle::LS_Cpp03);
409   CHECK_PARSE("Standard: Cpp11", Standard, FormatStyle::LS_Latest);
410   CHECK_PARSE("Standard: C++03", Standard, FormatStyle::LS_Cpp03);
411   CHECK_PARSE("Standard: C++11", Standard, FormatStyle::LS_Cpp11);
412 
413   Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All;
414   CHECK_PARSE("BreakBeforeBinaryOperators: NonAssignment",
415               BreakBeforeBinaryOperators, FormatStyle::BOS_NonAssignment);
416   CHECK_PARSE("BreakBeforeBinaryOperators: None", BreakBeforeBinaryOperators,
417               FormatStyle::BOS_None);
418   CHECK_PARSE("BreakBeforeBinaryOperators: All", BreakBeforeBinaryOperators,
419               FormatStyle::BOS_All);
420   // For backward compatibility:
421   CHECK_PARSE("BreakBeforeBinaryOperators: false", BreakBeforeBinaryOperators,
422               FormatStyle::BOS_None);
423   CHECK_PARSE("BreakBeforeBinaryOperators: true", BreakBeforeBinaryOperators,
424               FormatStyle::BOS_All);
425 
426   Style.BreakBinaryOperations = FormatStyle::BBO_Never;
427   CHECK_PARSE("BreakBinaryOperations: OnePerLine", BreakBinaryOperations,
428               FormatStyle::BBO_OnePerLine);
429   CHECK_PARSE("BreakBinaryOperations: RespectPrecedence", BreakBinaryOperations,
430               FormatStyle::BBO_RespectPrecedence);
431   CHECK_PARSE("BreakBinaryOperations: Never", BreakBinaryOperations,
432               FormatStyle::BBO_Never);
433 
434   Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon;
435   CHECK_PARSE("BreakConstructorInitializers: BeforeComma",
436               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
437   CHECK_PARSE("BreakConstructorInitializers: AfterColon",
438               BreakConstructorInitializers, FormatStyle::BCIS_AfterColon);
439   CHECK_PARSE("BreakConstructorInitializers: BeforeColon",
440               BreakConstructorInitializers, FormatStyle::BCIS_BeforeColon);
441   // For backward compatibility:
442   CHECK_PARSE("BreakConstructorInitializersBeforeComma: true",
443               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
444 
445   Style.BreakInheritanceList = FormatStyle::BILS_BeforeColon;
446   CHECK_PARSE("BreakInheritanceList: AfterComma", BreakInheritanceList,
447               FormatStyle::BILS_AfterComma);
448   CHECK_PARSE("BreakInheritanceList: BeforeComma", BreakInheritanceList,
449               FormatStyle::BILS_BeforeComma);
450   CHECK_PARSE("BreakInheritanceList: AfterColon", BreakInheritanceList,
451               FormatStyle::BILS_AfterColon);
452   CHECK_PARSE("BreakInheritanceList: BeforeColon", BreakInheritanceList,
453               FormatStyle::BILS_BeforeColon);
454   // For backward compatibility:
455   CHECK_PARSE("BreakBeforeInheritanceComma: true", BreakInheritanceList,
456               FormatStyle::BILS_BeforeComma);
457 
458   Style.BinPackParameters = FormatStyle::BPPS_OnePerLine;
459   CHECK_PARSE("BinPackParameters: BinPack", BinPackParameters,
460               FormatStyle::BPPS_BinPack);
461   CHECK_PARSE("BinPackParameters: OnePerLine", BinPackParameters,
462               FormatStyle::BPPS_OnePerLine);
463   CHECK_PARSE("BinPackParameters: AlwaysOnePerLine", BinPackParameters,
464               FormatStyle::BPPS_AlwaysOnePerLine);
465   // For backward compatibility.
466   CHECK_PARSE("BinPackParameters: true", BinPackParameters,
467               FormatStyle::BPPS_BinPack);
468   CHECK_PARSE("BinPackParameters: false", BinPackParameters,
469               FormatStyle::BPPS_OnePerLine);
470 
471   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
472   CHECK_PARSE("PackConstructorInitializers: Never", PackConstructorInitializers,
473               FormatStyle::PCIS_Never);
474   CHECK_PARSE("PackConstructorInitializers: BinPack",
475               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
476   CHECK_PARSE("PackConstructorInitializers: CurrentLine",
477               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
478   CHECK_PARSE("PackConstructorInitializers: NextLine",
479               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
480   CHECK_PARSE("PackConstructorInitializers: NextLineOnly",
481               PackConstructorInitializers, FormatStyle::PCIS_NextLineOnly);
482   // For backward compatibility:
483   CHECK_PARSE("BasedOnStyle: Google\n"
484               "ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
485               "AllowAllConstructorInitializersOnNextLine: false",
486               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
487   Style.PackConstructorInitializers = FormatStyle::PCIS_NextLine;
488   CHECK_PARSE("BasedOnStyle: Google\n"
489               "ConstructorInitializerAllOnOneLineOrOnePerLine: false",
490               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
491   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
492               "AllowAllConstructorInitializersOnNextLine: true",
493               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
494   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
495   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
496               "AllowAllConstructorInitializersOnNextLine: false",
497               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
498 
499   Style.EmptyLineBeforeAccessModifier = FormatStyle::ELBAMS_LogicalBlock;
500   CHECK_PARSE("EmptyLineBeforeAccessModifier: Never",
501               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Never);
502   CHECK_PARSE("EmptyLineBeforeAccessModifier: Leave",
503               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Leave);
504   CHECK_PARSE("EmptyLineBeforeAccessModifier: LogicalBlock",
505               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_LogicalBlock);
506   CHECK_PARSE("EmptyLineBeforeAccessModifier: Always",
507               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Always);
508 
509   Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
510   CHECK_PARSE("AlignAfterOpenBracket: Align", AlignAfterOpenBracket,
511               FormatStyle::BAS_Align);
512   CHECK_PARSE("AlignAfterOpenBracket: DontAlign", AlignAfterOpenBracket,
513               FormatStyle::BAS_DontAlign);
514   CHECK_PARSE("AlignAfterOpenBracket: AlwaysBreak", AlignAfterOpenBracket,
515               FormatStyle::BAS_AlwaysBreak);
516   CHECK_PARSE("AlignAfterOpenBracket: BlockIndent", AlignAfterOpenBracket,
517               FormatStyle::BAS_BlockIndent);
518   // For backward compatibility:
519   CHECK_PARSE("AlignAfterOpenBracket: false", AlignAfterOpenBracket,
520               FormatStyle::BAS_DontAlign);
521   CHECK_PARSE("AlignAfterOpenBracket: true", AlignAfterOpenBracket,
522               FormatStyle::BAS_Align);
523 
524   Style.AlignEscapedNewlines = FormatStyle::ENAS_Left;
525   CHECK_PARSE("AlignEscapedNewlines: DontAlign", AlignEscapedNewlines,
526               FormatStyle::ENAS_DontAlign);
527   CHECK_PARSE("AlignEscapedNewlines: Left", AlignEscapedNewlines,
528               FormatStyle::ENAS_Left);
529   CHECK_PARSE("AlignEscapedNewlines: LeftWithLastLine", AlignEscapedNewlines,
530               FormatStyle::ENAS_LeftWithLastLine);
531   CHECK_PARSE("AlignEscapedNewlines: Right", AlignEscapedNewlines,
532               FormatStyle::ENAS_Right);
533   // For backward compatibility:
534   CHECK_PARSE("AlignEscapedNewlinesLeft: true", AlignEscapedNewlines,
535               FormatStyle::ENAS_Left);
536   CHECK_PARSE("AlignEscapedNewlinesLeft: false", AlignEscapedNewlines,
537               FormatStyle::ENAS_Right);
538 
539   Style.AlignOperands = FormatStyle::OAS_Align;
540   CHECK_PARSE("AlignOperands: DontAlign", AlignOperands,
541               FormatStyle::OAS_DontAlign);
542   CHECK_PARSE("AlignOperands: Align", AlignOperands, FormatStyle::OAS_Align);
543   CHECK_PARSE("AlignOperands: AlignAfterOperator", AlignOperands,
544               FormatStyle::OAS_AlignAfterOperator);
545   // For backward compatibility:
546   CHECK_PARSE("AlignOperands: false", AlignOperands,
547               FormatStyle::OAS_DontAlign);
548   CHECK_PARSE("AlignOperands: true", AlignOperands, FormatStyle::OAS_Align);
549 
550   CHECK_PARSE("AlignTrailingComments: Leave", AlignTrailingComments,
551               FormatStyle::TrailingCommentsAlignmentStyle(
552                   {FormatStyle::TCAS_Leave, 0}));
553   CHECK_PARSE("AlignTrailingComments: Always", AlignTrailingComments,
554               FormatStyle::TrailingCommentsAlignmentStyle(
555                   {FormatStyle::TCAS_Always, 0}));
556   CHECK_PARSE("AlignTrailingComments: Never", AlignTrailingComments,
557               FormatStyle::TrailingCommentsAlignmentStyle(
558                   {FormatStyle::TCAS_Never, 0}));
559   // For backwards compatibility
560   CHECK_PARSE("AlignTrailingComments: true", AlignTrailingComments,
561               FormatStyle::TrailingCommentsAlignmentStyle(
562                   {FormatStyle::TCAS_Always, 0}));
563   CHECK_PARSE("AlignTrailingComments: false", AlignTrailingComments,
564               FormatStyle::TrailingCommentsAlignmentStyle(
565                   {FormatStyle::TCAS_Never, 0}));
566   CHECK_PARSE_NESTED_VALUE("Kind: Always", AlignTrailingComments, Kind,
567                            FormatStyle::TCAS_Always);
568   CHECK_PARSE_NESTED_VALUE("Kind: Never", AlignTrailingComments, Kind,
569                            FormatStyle::TCAS_Never);
570   CHECK_PARSE_NESTED_VALUE("Kind: Leave", AlignTrailingComments, Kind,
571                            FormatStyle::TCAS_Leave);
572   CHECK_PARSE_NESTED_VALUE("OverEmptyLines: 1234", AlignTrailingComments,
573                            OverEmptyLines, 1234u);
574 
575   Style.UseTab = FormatStyle::UT_ForIndentation;
576   CHECK_PARSE("UseTab: Never", UseTab, FormatStyle::UT_Never);
577   CHECK_PARSE("UseTab: ForIndentation", UseTab, FormatStyle::UT_ForIndentation);
578   CHECK_PARSE("UseTab: Always", UseTab, FormatStyle::UT_Always);
579   CHECK_PARSE("UseTab: ForContinuationAndIndentation", UseTab,
580               FormatStyle::UT_ForContinuationAndIndentation);
581   CHECK_PARSE("UseTab: AlignWithSpaces", UseTab,
582               FormatStyle::UT_AlignWithSpaces);
583   // For backward compatibility:
584   CHECK_PARSE("UseTab: false", UseTab, FormatStyle::UT_Never);
585   CHECK_PARSE("UseTab: true", UseTab, FormatStyle::UT_Always);
586 
587   Style.AllowShortBlocksOnASingleLine = FormatStyle::SBS_Empty;
588   CHECK_PARSE("AllowShortBlocksOnASingleLine: Never",
589               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
590   CHECK_PARSE("AllowShortBlocksOnASingleLine: Empty",
591               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Empty);
592   CHECK_PARSE("AllowShortBlocksOnASingleLine: Always",
593               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
594   // For backward compatibility:
595   CHECK_PARSE("AllowShortBlocksOnASingleLine: false",
596               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
597   CHECK_PARSE("AllowShortBlocksOnASingleLine: true",
598               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
599 
600   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
601   CHECK_PARSE("AllowShortFunctionsOnASingleLine: None",
602               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
603   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Inline",
604               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Inline);
605   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Empty",
606               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Empty);
607   CHECK_PARSE("AllowShortFunctionsOnASingleLine: All",
608               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
609   // For backward compatibility:
610   CHECK_PARSE("AllowShortFunctionsOnASingleLine: false",
611               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
612   CHECK_PARSE("AllowShortFunctionsOnASingleLine: true",
613               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
614 
615   Style.AllowShortLambdasOnASingleLine = FormatStyle::SLS_All;
616   CHECK_PARSE("AllowShortLambdasOnASingleLine: None",
617               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
618   CHECK_PARSE("AllowShortLambdasOnASingleLine: Empty",
619               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Empty);
620   CHECK_PARSE("AllowShortLambdasOnASingleLine: Inline",
621               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Inline);
622   CHECK_PARSE("AllowShortLambdasOnASingleLine: All",
623               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
624   // For backward compatibility:
625   CHECK_PARSE("AllowShortLambdasOnASingleLine: false",
626               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
627   CHECK_PARSE("AllowShortLambdasOnASingleLine: true",
628               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
629 
630   Style.SpaceAroundPointerQualifiers = FormatStyle::SAPQ_Both;
631   CHECK_PARSE("SpaceAroundPointerQualifiers: Default",
632               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Default);
633   CHECK_PARSE("SpaceAroundPointerQualifiers: Before",
634               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Before);
635   CHECK_PARSE("SpaceAroundPointerQualifiers: After",
636               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_After);
637   CHECK_PARSE("SpaceAroundPointerQualifiers: Both",
638               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Both);
639 
640   Style.SpaceBeforeParens = FormatStyle::SBPO_Always;
641   CHECK_PARSE("SpaceBeforeParens: Never", SpaceBeforeParens,
642               FormatStyle::SBPO_Never);
643   CHECK_PARSE("SpaceBeforeParens: Always", SpaceBeforeParens,
644               FormatStyle::SBPO_Always);
645   CHECK_PARSE("SpaceBeforeParens: ControlStatements", SpaceBeforeParens,
646               FormatStyle::SBPO_ControlStatements);
647   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptControlMacros",
648               SpaceBeforeParens,
649               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
650   CHECK_PARSE("SpaceBeforeParens: NonEmptyParentheses", SpaceBeforeParens,
651               FormatStyle::SBPO_NonEmptyParentheses);
652   CHECK_PARSE("SpaceBeforeParens: Custom", SpaceBeforeParens,
653               FormatStyle::SBPO_Custom);
654   // For backward compatibility:
655   CHECK_PARSE("SpaceAfterControlStatementKeyword: false", SpaceBeforeParens,
656               FormatStyle::SBPO_Never);
657   CHECK_PARSE("SpaceAfterControlStatementKeyword: true", SpaceBeforeParens,
658               FormatStyle::SBPO_ControlStatements);
659   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptForEachMacros",
660               SpaceBeforeParens,
661               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
662 
663   // For backward compatibility:
664   Style.SpacesInParens = FormatStyle::SIPO_Never;
665   Style.SpacesInParensOptions = {};
666   CHECK_PARSE("SpacesInParentheses: true", SpacesInParens,
667               FormatStyle::SIPO_Custom);
668   Style.SpacesInParens = FormatStyle::SIPO_Never;
669   Style.SpacesInParensOptions = {};
670   CHECK_PARSE(
671       "SpacesInParentheses: true", SpacesInParensOptions,
672       FormatStyle::SpacesInParensCustom(false, true, false, false, true));
673   Style.SpacesInParens = FormatStyle::SIPO_Never;
674   Style.SpacesInParensOptions = {};
675   CHECK_PARSE(
676       "SpacesInConditionalStatement: true", SpacesInParensOptions,
677       FormatStyle::SpacesInParensCustom(false, true, false, false, false));
678   Style.SpacesInParens = FormatStyle::SIPO_Never;
679   Style.SpacesInParensOptions = {};
680   CHECK_PARSE(
681       "SpacesInCStyleCastParentheses: true", SpacesInParensOptions,
682       FormatStyle::SpacesInParensCustom(false, false, true, false, false));
683   Style.SpacesInParens = FormatStyle::SIPO_Never;
684   Style.SpacesInParensOptions = {};
685   CHECK_PARSE(
686       "SpaceInEmptyParentheses: true", SpacesInParensOptions,
687       FormatStyle::SpacesInParensCustom(false, false, false, true, false));
688   Style.SpacesInParens = FormatStyle::SIPO_Never;
689   Style.SpacesInParensOptions = {};
690 
691   Style.ColumnLimit = 123;
692   FormatStyle BaseStyle = getLLVMStyle();
693   CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);
694   CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234", ColumnLimit, 1234u);
695 
696   Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
697   CHECK_PARSE("BreakBeforeBraces: Attach", BreakBeforeBraces,
698               FormatStyle::BS_Attach);
699   CHECK_PARSE("BreakBeforeBraces: Linux", BreakBeforeBraces,
700               FormatStyle::BS_Linux);
701   CHECK_PARSE("BreakBeforeBraces: Mozilla", BreakBeforeBraces,
702               FormatStyle::BS_Mozilla);
703   CHECK_PARSE("BreakBeforeBraces: Stroustrup", BreakBeforeBraces,
704               FormatStyle::BS_Stroustrup);
705   CHECK_PARSE("BreakBeforeBraces: Allman", BreakBeforeBraces,
706               FormatStyle::BS_Allman);
707   CHECK_PARSE("BreakBeforeBraces: Whitesmiths", BreakBeforeBraces,
708               FormatStyle::BS_Whitesmiths);
709   CHECK_PARSE("BreakBeforeBraces: GNU", BreakBeforeBraces, FormatStyle::BS_GNU);
710   CHECK_PARSE("BreakBeforeBraces: WebKit", BreakBeforeBraces,
711               FormatStyle::BS_WebKit);
712   CHECK_PARSE("BreakBeforeBraces: Custom", BreakBeforeBraces,
713               FormatStyle::BS_Custom);
714 
715   Style.BraceWrapping.AfterControlStatement = FormatStyle::BWACS_Never;
716   CHECK_PARSE("BraceWrapping:\n"
717               "  AfterControlStatement: MultiLine",
718               BraceWrapping.AfterControlStatement,
719               FormatStyle::BWACS_MultiLine);
720   CHECK_PARSE("BraceWrapping:\n"
721               "  AfterControlStatement: Always",
722               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
723   CHECK_PARSE("BraceWrapping:\n"
724               "  AfterControlStatement: Never",
725               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
726   // For backward compatibility:
727   CHECK_PARSE("BraceWrapping:\n"
728               "  AfterControlStatement: true",
729               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
730   CHECK_PARSE("BraceWrapping:\n"
731               "  AfterControlStatement: false",
732               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
733 
734   Style.BreakAfterReturnType = FormatStyle::RTBS_All;
735   CHECK_PARSE("BreakAfterReturnType: None", BreakAfterReturnType,
736               FormatStyle::RTBS_None);
737   CHECK_PARSE("BreakAfterReturnType: Automatic", BreakAfterReturnType,
738               FormatStyle::RTBS_Automatic);
739   CHECK_PARSE("BreakAfterReturnType: ExceptShortType", BreakAfterReturnType,
740               FormatStyle::RTBS_ExceptShortType);
741   CHECK_PARSE("BreakAfterReturnType: All", BreakAfterReturnType,
742               FormatStyle::RTBS_All);
743   CHECK_PARSE("BreakAfterReturnType: TopLevel", BreakAfterReturnType,
744               FormatStyle::RTBS_TopLevel);
745   CHECK_PARSE("BreakAfterReturnType: AllDefinitions", BreakAfterReturnType,
746               FormatStyle::RTBS_AllDefinitions);
747   CHECK_PARSE("BreakAfterReturnType: TopLevelDefinitions", BreakAfterReturnType,
748               FormatStyle::RTBS_TopLevelDefinitions);
749   // For backward compatibility:
750   CHECK_PARSE("AlwaysBreakAfterReturnType: None", BreakAfterReturnType,
751               FormatStyle::RTBS_None);
752   CHECK_PARSE("AlwaysBreakAfterReturnType: Automatic", BreakAfterReturnType,
753               FormatStyle::RTBS_Automatic);
754   CHECK_PARSE("AlwaysBreakAfterReturnType: ExceptShortType",
755               BreakAfterReturnType, FormatStyle::RTBS_ExceptShortType);
756   CHECK_PARSE("AlwaysBreakAfterReturnType: All", BreakAfterReturnType,
757               FormatStyle::RTBS_All);
758   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel", BreakAfterReturnType,
759               FormatStyle::RTBS_TopLevel);
760   CHECK_PARSE("AlwaysBreakAfterReturnType: AllDefinitions",
761               BreakAfterReturnType, FormatStyle::RTBS_AllDefinitions);
762   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevelDefinitions",
763               BreakAfterReturnType, FormatStyle::RTBS_TopLevelDefinitions);
764 
765   Style.BreakTemplateDeclarations = FormatStyle::BTDS_Yes;
766   CHECK_PARSE("BreakTemplateDeclarations: Leave", BreakTemplateDeclarations,
767               FormatStyle::BTDS_Leave);
768   CHECK_PARSE("BreakTemplateDeclarations: No", BreakTemplateDeclarations,
769               FormatStyle::BTDS_No);
770   CHECK_PARSE("BreakTemplateDeclarations: MultiLine", BreakTemplateDeclarations,
771               FormatStyle::BTDS_MultiLine);
772   CHECK_PARSE("BreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
773               FormatStyle::BTDS_Yes);
774   CHECK_PARSE("BreakTemplateDeclarations: false", BreakTemplateDeclarations,
775               FormatStyle::BTDS_MultiLine);
776   CHECK_PARSE("BreakTemplateDeclarations: true", BreakTemplateDeclarations,
777               FormatStyle::BTDS_Yes);
778   // For backward compatibility:
779   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Leave",
780               BreakTemplateDeclarations, FormatStyle::BTDS_Leave);
781   CHECK_PARSE("AlwaysBreakTemplateDeclarations: No", BreakTemplateDeclarations,
782               FormatStyle::BTDS_No);
783   CHECK_PARSE("AlwaysBreakTemplateDeclarations: MultiLine",
784               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
785   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
786               FormatStyle::BTDS_Yes);
787   CHECK_PARSE("AlwaysBreakTemplateDeclarations: false",
788               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
789   CHECK_PARSE("AlwaysBreakTemplateDeclarations: true",
790               BreakTemplateDeclarations, FormatStyle::BTDS_Yes);
791 
792   Style.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_All;
793   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: None",
794               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_None);
795   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: All",
796               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_All);
797   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: TopLevel",
798               AlwaysBreakAfterDefinitionReturnType,
799               FormatStyle::DRTBS_TopLevel);
800 
801   Style.NamespaceIndentation = FormatStyle::NI_All;
802   CHECK_PARSE("NamespaceIndentation: None", NamespaceIndentation,
803               FormatStyle::NI_None);
804   CHECK_PARSE("NamespaceIndentation: Inner", NamespaceIndentation,
805               FormatStyle::NI_Inner);
806   CHECK_PARSE("NamespaceIndentation: All", NamespaceIndentation,
807               FormatStyle::NI_All);
808 
809   Style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_OnlyFirstIf;
810   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Never",
811               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
812   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: WithoutElse",
813               AllowShortIfStatementsOnASingleLine,
814               FormatStyle::SIS_WithoutElse);
815   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: OnlyFirstIf",
816               AllowShortIfStatementsOnASingleLine,
817               FormatStyle::SIS_OnlyFirstIf);
818   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: AllIfsAndElse",
819               AllowShortIfStatementsOnASingleLine,
820               FormatStyle::SIS_AllIfsAndElse);
821   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Always",
822               AllowShortIfStatementsOnASingleLine,
823               FormatStyle::SIS_OnlyFirstIf);
824   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: false",
825               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
826   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: true",
827               AllowShortIfStatementsOnASingleLine,
828               FormatStyle::SIS_WithoutElse);
829 
830   Style.IndentExternBlock = FormatStyle::IEBS_NoIndent;
831   CHECK_PARSE("IndentExternBlock: AfterExternBlock", IndentExternBlock,
832               FormatStyle::IEBS_AfterExternBlock);
833   CHECK_PARSE("IndentExternBlock: Indent", IndentExternBlock,
834               FormatStyle::IEBS_Indent);
835   CHECK_PARSE("IndentExternBlock: NoIndent", IndentExternBlock,
836               FormatStyle::IEBS_NoIndent);
837   CHECK_PARSE("IndentExternBlock: true", IndentExternBlock,
838               FormatStyle::IEBS_Indent);
839   CHECK_PARSE("IndentExternBlock: false", IndentExternBlock,
840               FormatStyle::IEBS_NoIndent);
841 
842   Style.BitFieldColonSpacing = FormatStyle::BFCS_None;
843   CHECK_PARSE("BitFieldColonSpacing: Both", BitFieldColonSpacing,
844               FormatStyle::BFCS_Both);
845   CHECK_PARSE("BitFieldColonSpacing: None", BitFieldColonSpacing,
846               FormatStyle::BFCS_None);
847   CHECK_PARSE("BitFieldColonSpacing: Before", BitFieldColonSpacing,
848               FormatStyle::BFCS_Before);
849   CHECK_PARSE("BitFieldColonSpacing: After", BitFieldColonSpacing,
850               FormatStyle::BFCS_After);
851 
852   Style.SortJavaStaticImport = FormatStyle::SJSIO_Before;
853   CHECK_PARSE("SortJavaStaticImport: After", SortJavaStaticImport,
854               FormatStyle::SJSIO_After);
855   CHECK_PARSE("SortJavaStaticImport: Before", SortJavaStaticImport,
856               FormatStyle::SJSIO_Before);
857 
858   Style.SortUsingDeclarations = FormatStyle::SUD_LexicographicNumeric;
859   CHECK_PARSE("SortUsingDeclarations: Never", SortUsingDeclarations,
860               FormatStyle::SUD_Never);
861   CHECK_PARSE("SortUsingDeclarations: Lexicographic", SortUsingDeclarations,
862               FormatStyle::SUD_Lexicographic);
863   CHECK_PARSE("SortUsingDeclarations: LexicographicNumeric",
864               SortUsingDeclarations, FormatStyle::SUD_LexicographicNumeric);
865   // For backward compatibility:
866   CHECK_PARSE("SortUsingDeclarations: false", SortUsingDeclarations,
867               FormatStyle::SUD_Never);
868   CHECK_PARSE("SortUsingDeclarations: true", SortUsingDeclarations,
869               FormatStyle::SUD_LexicographicNumeric);
870 
871   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Never",
872               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Never);
873   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Always",
874               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Always);
875   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Leave",
876               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Leave);
877 
878   // FIXME: This is required because parsing a configuration simply overwrites
879   // the first N elements of the list instead of resetting it.
880   Style.ForEachMacros.clear();
881   std::vector<std::string> BoostForeach;
882   BoostForeach.push_back("BOOST_FOREACH");
883   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH]", ForEachMacros, BoostForeach);
884   std::vector<std::string> BoostAndQForeach;
885   BoostAndQForeach.push_back("BOOST_FOREACH");
886   BoostAndQForeach.push_back("Q_FOREACH");
887   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH, Q_FOREACH]", ForEachMacros,
888               BoostAndQForeach);
889 
890   Style.IfMacros.clear();
891   std::vector<std::string> CustomIfs;
892   CustomIfs.push_back("MYIF");
893   CHECK_PARSE("IfMacros: [MYIF]", IfMacros, CustomIfs);
894 
895   Style.AttributeMacros.clear();
896   CHECK_PARSE("BasedOnStyle: LLVM", AttributeMacros,
897               std::vector<std::string>{"__capability"});
898   CHECK_PARSE("AttributeMacros: [attr1, attr2]", AttributeMacros,
899               std::vector<std::string>({"attr1", "attr2"}));
900 
901   Style.StatementAttributeLikeMacros.clear();
902   CHECK_PARSE("StatementAttributeLikeMacros: [emit,Q_EMIT]",
903               StatementAttributeLikeMacros,
904               std::vector<std::string>({"emit", "Q_EMIT"}));
905 
906   Style.StatementMacros.clear();
907   CHECK_PARSE("StatementMacros: [QUNUSED]", StatementMacros,
908               std::vector<std::string>{"QUNUSED"});
909   CHECK_PARSE("StatementMacros: [QUNUSED, QT_REQUIRE_VERSION]", StatementMacros,
910               std::vector<std::string>({"QUNUSED", "QT_REQUIRE_VERSION"}));
911 
912   CHECK_PARSE_LIST(JavaImportGroups);
913   CHECK_PARSE_LIST(Macros);
914   CHECK_PARSE_LIST(NamespaceMacros);
915   CHECK_PARSE_LIST(ObjCPropertyAttributeOrder);
916   CHECK_PARSE_LIST(TableGenBreakingDAGArgOperators);
917   CHECK_PARSE_LIST(TemplateNames);
918   CHECK_PARSE_LIST(TypeNames);
919   CHECK_PARSE_LIST(TypenameMacros);
920   CHECK_PARSE_LIST(VariableTemplates);
921 
922   Style.WhitespaceSensitiveMacros.clear();
923   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE]",
924               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
925   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE, ASSERT]",
926               WhitespaceSensitiveMacros,
927               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
928   Style.WhitespaceSensitiveMacros.clear();
929   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE']",
930               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
931   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE', 'ASSERT']",
932               WhitespaceSensitiveMacros,
933               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
934 
935   Style.IncludeStyle.IncludeCategories.clear();
936   std::vector<tooling::IncludeStyle::IncludeCategory> ExpectedCategories = {
937       {"abc/.*", 2, 0, false}, {".*", 1, 0, true}};
938   CHECK_PARSE("IncludeCategories:\n"
939               "  - Regex: abc/.*\n"
940               "    Priority: 2\n"
941               "  - Regex: .*\n"
942               "    Priority: 1\n"
943               "    CaseSensitive: true",
944               IncludeStyle.IncludeCategories, ExpectedCategories);
945   CHECK_PARSE("IncludeIsMainRegex: 'abc$'", IncludeStyle.IncludeIsMainRegex,
946               "abc$");
947   CHECK_PARSE("IncludeIsMainSourceRegex: 'abc$'",
948               IncludeStyle.IncludeIsMainSourceRegex, "abc$");
949 
950   Style.SortIncludes = FormatStyle::SI_Never;
951   CHECK_PARSE("SortIncludes: true", SortIncludes,
952               FormatStyle::SI_CaseSensitive);
953   CHECK_PARSE("SortIncludes: false", SortIncludes, FormatStyle::SI_Never);
954   CHECK_PARSE("SortIncludes: CaseInsensitive", SortIncludes,
955               FormatStyle::SI_CaseInsensitive);
956   CHECK_PARSE("SortIncludes: CaseSensitive", SortIncludes,
957               FormatStyle::SI_CaseSensitive);
958   CHECK_PARSE("SortIncludes: Never", SortIncludes, FormatStyle::SI_Never);
959 
960   Style.RawStringFormats.clear();
961   std::vector<FormatStyle::RawStringFormat> ExpectedRawStringFormats = {
962       {
963           FormatStyle::LK_TextProto,
964           {"pb", "proto"},
965           {"PARSE_TEXT_PROTO"},
966           /*CanonicalDelimiter=*/"",
967           "llvm",
968       },
969       {
970           FormatStyle::LK_Cpp,
971           {"cc", "cpp"},
972           {"C_CODEBLOCK", "CPPEVAL"},
973           /*CanonicalDelimiter=*/"cc",
974           /*BasedOnStyle=*/"",
975       },
976   };
977 
978   CHECK_PARSE("RawStringFormats:\n"
979               "  - Language: TextProto\n"
980               "    Delimiters:\n"
981               "      - 'pb'\n"
982               "      - 'proto'\n"
983               "    EnclosingFunctions:\n"
984               "      - 'PARSE_TEXT_PROTO'\n"
985               "    BasedOnStyle: llvm\n"
986               "  - Language: Cpp\n"
987               "    Delimiters:\n"
988               "      - 'cc'\n"
989               "      - 'cpp'\n"
990               "    EnclosingFunctions:\n"
991               "      - 'C_CODEBLOCK'\n"
992               "      - 'CPPEVAL'\n"
993               "    CanonicalDelimiter: 'cc'",
994               RawStringFormats, ExpectedRawStringFormats);
995 
996   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
997               "  Minimum: 0\n"
998               "  Maximum: 0",
999               SpacesInLineCommentPrefix.Minimum, 0u);
1000   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Maximum, 0u);
1001   Style.SpacesInLineCommentPrefix.Minimum = 1;
1002   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1003               "  Minimum: 2",
1004               SpacesInLineCommentPrefix.Minimum, 0u);
1005   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1006               "  Maximum: -1",
1007               SpacesInLineCommentPrefix.Maximum, -1u);
1008   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1009               "  Minimum: 2",
1010               SpacesInLineCommentPrefix.Minimum, 2u);
1011   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1012               "  Maximum: 1",
1013               SpacesInLineCommentPrefix.Maximum, 1u);
1014   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Minimum, 1u);
1015 
1016   Style.SpacesInAngles = FormatStyle::SIAS_Always;
1017   CHECK_PARSE("SpacesInAngles: Never", SpacesInAngles, FormatStyle::SIAS_Never);
1018   CHECK_PARSE("SpacesInAngles: Always", SpacesInAngles,
1019               FormatStyle::SIAS_Always);
1020   CHECK_PARSE("SpacesInAngles: Leave", SpacesInAngles, FormatStyle::SIAS_Leave);
1021   // For backward compatibility:
1022   CHECK_PARSE("SpacesInAngles: false", SpacesInAngles, FormatStyle::SIAS_Never);
1023   CHECK_PARSE("SpacesInAngles: true", SpacesInAngles, FormatStyle::SIAS_Always);
1024 
1025   CHECK_PARSE("RequiresClausePosition: WithPreceding", RequiresClausePosition,
1026               FormatStyle::RCPS_WithPreceding);
1027   CHECK_PARSE("RequiresClausePosition: WithFollowing", RequiresClausePosition,
1028               FormatStyle::RCPS_WithFollowing);
1029   CHECK_PARSE("RequiresClausePosition: SingleLine", RequiresClausePosition,
1030               FormatStyle::RCPS_SingleLine);
1031   CHECK_PARSE("RequiresClausePosition: OwnLine", RequiresClausePosition,
1032               FormatStyle::RCPS_OwnLine);
1033 
1034   CHECK_PARSE("BreakBeforeConceptDeclarations: Never",
1035               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Never);
1036   CHECK_PARSE("BreakBeforeConceptDeclarations: Always",
1037               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1038   CHECK_PARSE("BreakBeforeConceptDeclarations: Allowed",
1039               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1040   // For backward compatibility:
1041   CHECK_PARSE("BreakBeforeConceptDeclarations: true",
1042               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1043   CHECK_PARSE("BreakBeforeConceptDeclarations: false",
1044               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1045 
1046   CHECK_PARSE("BreakAfterAttributes: Always", BreakAfterAttributes,
1047               FormatStyle::ABS_Always);
1048   CHECK_PARSE("BreakAfterAttributes: Leave", BreakAfterAttributes,
1049               FormatStyle::ABS_Leave);
1050   CHECK_PARSE("BreakAfterAttributes: Never", BreakAfterAttributes,
1051               FormatStyle::ABS_Never);
1052 
1053   const auto DefaultLineEnding = FormatStyle::LE_DeriveLF;
1054   CHECK_PARSE("LineEnding: LF", LineEnding, FormatStyle::LE_LF);
1055   CHECK_PARSE("LineEnding: CRLF", LineEnding, FormatStyle::LE_CRLF);
1056   CHECK_PARSE("LineEnding: DeriveCRLF", LineEnding, FormatStyle::LE_DeriveCRLF);
1057   CHECK_PARSE("LineEnding: DeriveLF", LineEnding, DefaultLineEnding);
1058   // For backward compatibility:
1059   CHECK_PARSE("DeriveLineEnding: false", LineEnding, FormatStyle::LE_LF);
1060   Style.LineEnding = DefaultLineEnding;
1061   CHECK_PARSE("DeriveLineEnding: false\n"
1062               "UseCRLF: true",
1063               LineEnding, FormatStyle::LE_CRLF);
1064   Style.LineEnding = DefaultLineEnding;
1065   CHECK_PARSE("UseCRLF: true", LineEnding, FormatStyle::LE_DeriveCRLF);
1066 
1067   CHECK_PARSE("RemoveParentheses: MultipleParentheses", RemoveParentheses,
1068               FormatStyle::RPS_MultipleParentheses);
1069   CHECK_PARSE("RemoveParentheses: ReturnStatement", RemoveParentheses,
1070               FormatStyle::RPS_ReturnStatement);
1071   CHECK_PARSE("RemoveParentheses: Leave", RemoveParentheses,
1072               FormatStyle::RPS_Leave);
1073 
1074   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Always",
1075               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Always);
1076   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: OnlyWithParen",
1077               AllowBreakBeforeNoexceptSpecifier,
1078               FormatStyle::BBNSS_OnlyWithParen);
1079   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Never",
1080               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Never);
1081 
1082   Style.SeparateDefinitionBlocks = FormatStyle::SDS_Never;
1083   CHECK_PARSE("SeparateDefinitionBlocks: Always", SeparateDefinitionBlocks,
1084               FormatStyle::SDS_Always);
1085   CHECK_PARSE("SeparateDefinitionBlocks: Leave", SeparateDefinitionBlocks,
1086               FormatStyle::SDS_Leave);
1087   CHECK_PARSE("SeparateDefinitionBlocks: Never", SeparateDefinitionBlocks,
1088               FormatStyle::SDS_Never);
1089 }
1090 
1091 TEST(ConfigParseTest, ParsesConfigurationWithLanguages) {
1092   FormatStyle Style = {};
1093   Style.Language = FormatStyle::LK_Cpp;
1094   CHECK_PARSE("Language: Cpp\n"
1095               "IndentWidth: 12",
1096               IndentWidth, 12u);
1097   EXPECT_EQ(parseConfiguration("Language: JavaScript\n"
1098                                "IndentWidth: 34",
1099                                &Style),
1100             ParseError::Unsuitable);
1101   FormatStyle BinPackedTCS = {};
1102   BinPackedTCS.Language = FormatStyle::LK_JavaScript;
1103   EXPECT_EQ(parseConfiguration("BinPackArguments: true\n"
1104                                "InsertTrailingCommas: Wrapped",
1105                                &BinPackedTCS),
1106             ParseError::BinPackTrailingCommaConflict);
1107   EXPECT_EQ(12u, Style.IndentWidth);
1108   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1109   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1110 
1111   Style.Language = FormatStyle::LK_JavaScript;
1112   CHECK_PARSE("Language: JavaScript\n"
1113               "IndentWidth: 12",
1114               IndentWidth, 12u);
1115   CHECK_PARSE("IndentWidth: 23", IndentWidth, 23u);
1116   EXPECT_EQ(parseConfiguration("Language: Cpp\n"
1117                                "IndentWidth: 34",
1118                                &Style),
1119             ParseError::Unsuitable);
1120   EXPECT_EQ(23u, Style.IndentWidth);
1121   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1122   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1123 
1124   CHECK_PARSE("BasedOnStyle: LLVM\n"
1125               "IndentWidth: 67",
1126               IndentWidth, 67u);
1127 
1128   CHECK_PARSE("---\n"
1129               "Language: JavaScript\n"
1130               "IndentWidth: 12\n"
1131               "---\n"
1132               "Language: Cpp\n"
1133               "IndentWidth: 34\n"
1134               "...\n",
1135               IndentWidth, 12u);
1136 
1137   Style.Language = FormatStyle::LK_Cpp;
1138   CHECK_PARSE("---\n"
1139               "Language: JavaScript\n"
1140               "IndentWidth: 12\n"
1141               "---\n"
1142               "Language: Cpp\n"
1143               "IndentWidth: 34\n"
1144               "...\n",
1145               IndentWidth, 34u);
1146   CHECK_PARSE("---\n"
1147               "IndentWidth: 78\n"
1148               "---\n"
1149               "Language: JavaScript\n"
1150               "IndentWidth: 56\n"
1151               "...\n",
1152               IndentWidth, 78u);
1153 
1154   Style.ColumnLimit = 123;
1155   Style.IndentWidth = 234;
1156   Style.BreakBeforeBraces = FormatStyle::BS_Linux;
1157   Style.TabWidth = 345;
1158   EXPECT_FALSE(parseConfiguration("---\n"
1159                                   "IndentWidth: 456\n"
1160                                   "BreakBeforeBraces: Allman\n"
1161                                   "---\n"
1162                                   "Language: JavaScript\n"
1163                                   "IndentWidth: 111\n"
1164                                   "TabWidth: 111\n"
1165                                   "---\n"
1166                                   "Language: Cpp\n"
1167                                   "BreakBeforeBraces: Stroustrup\n"
1168                                   "TabWidth: 789\n"
1169                                   "...\n",
1170                                   &Style));
1171   EXPECT_EQ(123u, Style.ColumnLimit);
1172   EXPECT_EQ(456u, Style.IndentWidth);
1173   EXPECT_EQ(FormatStyle::BS_Stroustrup, Style.BreakBeforeBraces);
1174   EXPECT_EQ(789u, Style.TabWidth);
1175 
1176   EXPECT_EQ(parseConfiguration("---\n"
1177                                "Language: JavaScript\n"
1178                                "IndentWidth: 56\n"
1179                                "---\n"
1180                                "IndentWidth: 78\n"
1181                                "...\n",
1182                                &Style),
1183             ParseError::Error);
1184   EXPECT_EQ(parseConfiguration("---\n"
1185                                "Language: JavaScript\n"
1186                                "IndentWidth: 56\n"
1187                                "---\n"
1188                                "Language: JavaScript\n"
1189                                "IndentWidth: 78\n"
1190                                "...\n",
1191                                &Style),
1192             ParseError::Error);
1193 
1194   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1195 
1196   Style.Language = FormatStyle::LK_Verilog;
1197   CHECK_PARSE("---\n"
1198               "Language: Verilog\n"
1199               "IndentWidth: 12\n"
1200               "---\n"
1201               "Language: Cpp\n"
1202               "IndentWidth: 34\n"
1203               "...\n",
1204               IndentWidth, 12u);
1205   CHECK_PARSE("---\n"
1206               "IndentWidth: 78\n"
1207               "---\n"
1208               "Language: Verilog\n"
1209               "IndentWidth: 56\n"
1210               "...\n",
1211               IndentWidth, 56u);
1212 }
1213 
1214 TEST(ConfigParseTest, UsesLanguageForBasedOnStyle) {
1215   FormatStyle Style = {};
1216   Style.Language = FormatStyle::LK_JavaScript;
1217   Style.BreakBeforeTernaryOperators = true;
1218   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google", &Style).value());
1219   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1220 
1221   Style.BreakBeforeTernaryOperators = true;
1222   EXPECT_EQ(0, parseConfiguration("---\n"
1223                                   "BasedOnStyle: Google\n"
1224                                   "---\n"
1225                                   "Language: JavaScript\n"
1226                                   "IndentWidth: 76\n"
1227                                   "...\n",
1228                                   &Style)
1229                    .value());
1230   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1231   EXPECT_EQ(76u, Style.IndentWidth);
1232   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1233 }
1234 
1235 TEST(ConfigParseTest, ConfigurationRoundTripTest) {
1236   FormatStyle Style = getLLVMStyle();
1237   std::string YAML = configurationAsText(Style);
1238   FormatStyle ParsedStyle = {};
1239   ParsedStyle.Language = FormatStyle::LK_Cpp;
1240   EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value());
1241   EXPECT_EQ(Style, ParsedStyle);
1242 }
1243 
1244 TEST(ConfigParseTest, GetStyleWithEmptyFileName) {
1245   llvm::vfs::InMemoryFileSystem FS;
1246   auto Style1 = getStyle("file", "", "Google", "", &FS);
1247   ASSERT_TRUE((bool)Style1);
1248   ASSERT_EQ(*Style1, getGoogleStyle());
1249 }
1250 
1251 TEST(ConfigParseTest, GetStyleOfFile) {
1252   llvm::vfs::InMemoryFileSystem FS;
1253   // Test 1: format file in the same directory.
1254   ASSERT_TRUE(
1255       FS.addFile("/a/.clang-format", 0,
1256                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1257   ASSERT_TRUE(
1258       FS.addFile("/a/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1259   auto Style1 = getStyle("file", "/a/.clang-format", "Google", "", &FS);
1260   ASSERT_TRUE((bool)Style1);
1261   ASSERT_EQ(*Style1, getLLVMStyle());
1262 
1263   // Test 2.1: fallback to default.
1264   ASSERT_TRUE(
1265       FS.addFile("/b/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1266   auto Style2 = getStyle("file", "/b/test.cpp", "Mozilla", "", &FS);
1267   ASSERT_TRUE((bool)Style2);
1268   ASSERT_EQ(*Style2, getMozillaStyle());
1269 
1270   // Test 2.2: no format on 'none' fallback style.
1271   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1272   ASSERT_TRUE((bool)Style2);
1273   ASSERT_EQ(*Style2, getNoStyle());
1274 
1275   // Test 2.3: format if config is found with no based style while fallback is
1276   // 'none'.
1277   ASSERT_TRUE(FS.addFile("/b/.clang-format", 0,
1278                          llvm::MemoryBuffer::getMemBuffer("IndentWidth: 2")));
1279   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1280   ASSERT_TRUE((bool)Style2);
1281   ASSERT_EQ(*Style2, getLLVMStyle());
1282 
1283   // Test 2.4: format if yaml with no based style, while fallback is 'none'.
1284   Style2 = getStyle("{}", "a.h", "none", "", &FS);
1285   ASSERT_TRUE((bool)Style2);
1286   ASSERT_EQ(*Style2, getLLVMStyle());
1287 
1288   // Test 3: format file in parent directory.
1289   ASSERT_TRUE(
1290       FS.addFile("/c/.clang-format", 0,
1291                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1292   ASSERT_TRUE(FS.addFile("/c/sub/sub/sub/test.cpp", 0,
1293                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1294   auto Style3 = getStyle("file", "/c/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1295   ASSERT_TRUE((bool)Style3);
1296   ASSERT_EQ(*Style3, getGoogleStyle());
1297 
1298   // Test 4: error on invalid fallback style
1299   auto Style4 = getStyle("file", "a.h", "KungFu", "", &FS);
1300   ASSERT_FALSE((bool)Style4);
1301   llvm::consumeError(Style4.takeError());
1302 
1303   // Test 5: error on invalid yaml on command line
1304   auto Style5 = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1305                          /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1306   ASSERT_FALSE((bool)Style5);
1307   llvm::consumeError(Style5.takeError());
1308 
1309   // Test 6: error on invalid style
1310   auto Style6 = getStyle("KungFu", "a.h", "LLVM", "", &FS);
1311   ASSERT_FALSE((bool)Style6);
1312   llvm::consumeError(Style6.takeError());
1313 
1314   // Test 7: found config file, error on parsing it
1315   ASSERT_TRUE(
1316       FS.addFile("/d/.clang-format", 0,
1317                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM\n"
1318                                                   "InvalidKey: InvalidValue")));
1319   ASSERT_TRUE(
1320       FS.addFile("/d/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1321   auto Style7a = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1322                           /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1323   ASSERT_FALSE((bool)Style7a);
1324   llvm::consumeError(Style7a.takeError());
1325 
1326   auto Style7b = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1327                           /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1328   ASSERT_TRUE((bool)Style7b);
1329 
1330   // Test 8: inferred per-language defaults apply.
1331   auto StyleTd = getStyle("file", "x.td", "llvm", "", &FS);
1332   ASSERT_TRUE((bool)StyleTd);
1333   ASSERT_EQ(*StyleTd, getLLVMStyle(FormatStyle::LK_TableGen));
1334 
1335   // Test 9.1.1: overwriting a file style, when no parent file exists with no
1336   // fallback style.
1337   ASSERT_TRUE(FS.addFile(
1338       "/e/sub/.clang-format", 0,
1339       llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: InheritParentConfig\n"
1340                                        "ColumnLimit: 20")));
1341   ASSERT_TRUE(FS.addFile("/e/sub/code.cpp", 0,
1342                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1343   auto Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1344   ASSERT_TRUE(static_cast<bool>(Style9));
1345   ASSERT_EQ(*Style9, [] {
1346     auto Style = getNoStyle();
1347     Style.ColumnLimit = 20;
1348     return Style;
1349   }());
1350 
1351   // Test 9.1.2: propagate more than one level with no parent file.
1352   ASSERT_TRUE(FS.addFile("/e/sub/sub/code.cpp", 0,
1353                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1354   ASSERT_TRUE(FS.addFile("/e/sub/sub/.clang-format", 0,
1355                          llvm::MemoryBuffer::getMemBuffer(
1356                              "BasedOnStyle: InheritParentConfig\n"
1357                              "WhitespaceSensitiveMacros: ['FOO', 'BAR']")));
1358   std::vector<std::string> NonDefaultWhiteSpaceMacros =
1359       Style9->WhitespaceSensitiveMacros;
1360   NonDefaultWhiteSpaceMacros[0] = "FOO";
1361   NonDefaultWhiteSpaceMacros[1] = "BAR";
1362 
1363   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1364   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1365   ASSERT_TRUE(static_cast<bool>(Style9));
1366   ASSERT_EQ(*Style9, [&NonDefaultWhiteSpaceMacros] {
1367     auto Style = getNoStyle();
1368     Style.ColumnLimit = 20;
1369     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1370     return Style;
1371   }());
1372 
1373   // Test 9.2: with LLVM fallback style
1374   Style9 = getStyle("file", "/e/sub/code.cpp", "LLVM", "", &FS);
1375   ASSERT_TRUE(static_cast<bool>(Style9));
1376   ASSERT_EQ(*Style9, [] {
1377     auto Style = getLLVMStyle();
1378     Style.ColumnLimit = 20;
1379     return Style;
1380   }());
1381 
1382   // Test 9.3: with a parent file
1383   ASSERT_TRUE(
1384       FS.addFile("/e/.clang-format", 0,
1385                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google\n"
1386                                                   "UseTab: Always")));
1387   Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1388   ASSERT_TRUE(static_cast<bool>(Style9));
1389   ASSERT_EQ(*Style9, [] {
1390     auto Style = getGoogleStyle();
1391     Style.ColumnLimit = 20;
1392     Style.UseTab = FormatStyle::UT_Always;
1393     return Style;
1394   }());
1395 
1396   // Test 9.4: propagate more than one level with a parent file.
1397   const auto SubSubStyle = [&NonDefaultWhiteSpaceMacros] {
1398     auto Style = getGoogleStyle();
1399     Style.ColumnLimit = 20;
1400     Style.UseTab = FormatStyle::UT_Always;
1401     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1402     return Style;
1403   }();
1404 
1405   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1406   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1407   ASSERT_TRUE(static_cast<bool>(Style9));
1408   ASSERT_EQ(*Style9, SubSubStyle);
1409 
1410   // Test 9.5: use InheritParentConfig as style name
1411   Style9 =
1412       getStyle("inheritparentconfig", "/e/sub/sub/code.cpp", "none", "", &FS);
1413   ASSERT_TRUE(static_cast<bool>(Style9));
1414   ASSERT_EQ(*Style9, SubSubStyle);
1415 
1416   // Test 9.6: use command line style with inheritance
1417   Style9 = getStyle("{BasedOnStyle: InheritParentConfig}",
1418                     "/e/sub/sub/code.cpp", "none", "", &FS);
1419   ASSERT_TRUE(static_cast<bool>(Style9));
1420   ASSERT_EQ(*Style9, SubSubStyle);
1421 
1422   // Test 9.7: use command line style with inheritance and own config
1423   Style9 = getStyle("{BasedOnStyle: InheritParentConfig, "
1424                     "WhitespaceSensitiveMacros: ['FOO', 'BAR']}",
1425                     "/e/sub/code.cpp", "none", "", &FS);
1426   ASSERT_TRUE(static_cast<bool>(Style9));
1427   ASSERT_EQ(*Style9, SubSubStyle);
1428 
1429   // Test 9.8: use inheritance from a file without BasedOnStyle
1430   ASSERT_TRUE(FS.addFile("/e/withoutbase/.clang-format", 0,
1431                          llvm::MemoryBuffer::getMemBuffer("ColumnLimit: 123")));
1432   ASSERT_TRUE(
1433       FS.addFile("/e/withoutbase/sub/.clang-format", 0,
1434                  llvm::MemoryBuffer::getMemBuffer(
1435                      "BasedOnStyle: InheritParentConfig\nIndentWidth: 7")));
1436   // Make sure we do not use the fallback style
1437   Style9 = getStyle("file", "/e/withoutbase/code.cpp", "google", "", &FS);
1438   ASSERT_TRUE(static_cast<bool>(Style9));
1439   ASSERT_EQ(*Style9, [] {
1440     auto Style = getLLVMStyle();
1441     Style.ColumnLimit = 123;
1442     return Style;
1443   }());
1444 
1445   Style9 = getStyle("file", "/e/withoutbase/sub/code.cpp", "google", "", &FS);
1446   ASSERT_TRUE(static_cast<bool>(Style9));
1447   ASSERT_EQ(*Style9, [] {
1448     auto Style = getLLVMStyle();
1449     Style.ColumnLimit = 123;
1450     Style.IndentWidth = 7;
1451     return Style;
1452   }());
1453 
1454   // Test 9.9: use inheritance from a specific config file.
1455   Style9 = getStyle("file:/e/sub/sub/.clang-format", "/e/sub/sub/code.cpp",
1456                     "none", "", &FS);
1457   ASSERT_TRUE(static_cast<bool>(Style9));
1458   ASSERT_EQ(*Style9, SubSubStyle);
1459 }
1460 
1461 TEST(ConfigParseTest, GetStyleOfSpecificFile) {
1462   llvm::vfs::InMemoryFileSystem FS;
1463   // Specify absolute path to a format file in a parent directory.
1464   ASSERT_TRUE(
1465       FS.addFile("/e/.clang-format", 0,
1466                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1467   ASSERT_TRUE(
1468       FS.addFile("/e/explicit.clang-format", 0,
1469                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1470   ASSERT_TRUE(FS.addFile("/e/sub/sub/sub/test.cpp", 0,
1471                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1472   auto Style = getStyle("file:/e/explicit.clang-format",
1473                         "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1474   ASSERT_TRUE(static_cast<bool>(Style));
1475   ASSERT_EQ(*Style, getGoogleStyle());
1476 
1477   // Specify relative path to a format file.
1478   ASSERT_TRUE(
1479       FS.addFile("../../e/explicit.clang-format", 0,
1480                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1481   Style = getStyle("file:../../e/explicit.clang-format",
1482                    "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1483   ASSERT_TRUE(static_cast<bool>(Style));
1484   ASSERT_EQ(*Style, getGoogleStyle());
1485 
1486   // Specify path to a format file that does not exist.
1487   Style = getStyle("file:/e/missing.clang-format", "/e/sub/sub/sub/test.cpp",
1488                    "LLVM", "", &FS);
1489   ASSERT_FALSE(static_cast<bool>(Style));
1490   llvm::consumeError(Style.takeError());
1491 
1492   // Specify path to a file on the filesystem.
1493   SmallString<128> FormatFilePath;
1494   std::error_code ECF = llvm::sys::fs::createTemporaryFile(
1495       "FormatFileTest", "tpl", FormatFilePath);
1496   EXPECT_FALSE((bool)ECF);
1497   llvm::raw_fd_ostream FormatFileTest(FormatFilePath, ECF);
1498   EXPECT_FALSE((bool)ECF);
1499   FormatFileTest << "BasedOnStyle: Google\n";
1500   FormatFileTest.close();
1501 
1502   SmallString<128> TestFilePath;
1503   std::error_code ECT =
1504       llvm::sys::fs::createTemporaryFile("CodeFileTest", "cc", TestFilePath);
1505   EXPECT_FALSE((bool)ECT);
1506   llvm::raw_fd_ostream CodeFileTest(TestFilePath, ECT);
1507   CodeFileTest << "int i;\n";
1508   CodeFileTest.close();
1509 
1510   std::string format_file_arg = std::string("file:") + FormatFilePath.c_str();
1511   Style = getStyle(format_file_arg, TestFilePath, "LLVM", "", nullptr);
1512 
1513   llvm::sys::fs::remove(FormatFilePath.c_str());
1514   llvm::sys::fs::remove(TestFilePath.c_str());
1515   ASSERT_TRUE(static_cast<bool>(Style));
1516   ASSERT_EQ(*Style, getGoogleStyle());
1517 }
1518 
1519 TEST(ConfigParseTest, GetStyleOutput) {
1520   llvm::vfs::InMemoryFileSystem FS;
1521 
1522   // Don't suppress output.
1523   testing::internal::CaptureStderr();
1524   auto Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1525                         /*AllowUnknownOptions=*/true);
1526   auto Output = testing::internal::GetCapturedStderr();
1527   ASSERT_TRUE((bool)Style);
1528   ASSERT_FALSE(Output.empty());
1529 
1530   // Suppress stderr.
1531   testing::internal::CaptureStderr();
1532   Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1533                    /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1534   Output = testing::internal::GetCapturedStderr();
1535   ASSERT_TRUE((bool)Style);
1536   ASSERT_TRUE(Output.empty());
1537 }
1538 
1539 } // namespace
1540 } // namespace format
1541 } // namespace clang
1542