xref: /llvm-project/clang/unittests/Format/ConfigParseTest.cpp (revision d50ebd47ae57812e5d2db1e3d3157f26b8d9d159)
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(IndentExportBlock);
180   CHECK_PARSE_BOOL(IndentGotoLabels);
181   CHECK_PARSE_BOOL(IndentRequiresClause);
182   CHECK_PARSE_BOOL_FIELD(IndentRequiresClause, "IndentRequires");
183   CHECK_PARSE_BOOL(IndentWrappedFunctionNames);
184   CHECK_PARSE_BOOL(InsertBraces);
185   CHECK_PARSE_BOOL(InsertNewlineAtEOF);
186   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtEndOfFile, "KeepEmptyLinesAtEOF");
187   CHECK_PARSE_BOOL_FIELD(KeepEmptyLines.AtStartOfBlock,
188                          "KeepEmptyLinesAtTheStartOfBlocks");
189   CHECK_PARSE_BOOL(KeepFormFeed);
190   CHECK_PARSE_BOOL(ObjCSpaceAfterProperty);
191   CHECK_PARSE_BOOL(ObjCSpaceBeforeProtocolList);
192   CHECK_PARSE_BOOL(RemoveBracesLLVM);
193   CHECK_PARSE_BOOL(RemoveEmptyLinesInUnwrappedLines);
194   CHECK_PARSE_BOOL(RemoveSemicolon);
195   CHECK_PARSE_BOOL(SkipMacroDefinitionBody);
196   CHECK_PARSE_BOOL(SpacesInSquareBrackets);
197   CHECK_PARSE_BOOL(SpaceInEmptyBlock);
198   CHECK_PARSE_BOOL(SpacesInContainerLiterals);
199   CHECK_PARSE_BOOL(SpaceAfterCStyleCast);
200   CHECK_PARSE_BOOL(SpaceAfterTemplateKeyword);
201   CHECK_PARSE_BOOL(SpaceAfterLogicalNot);
202   CHECK_PARSE_BOOL(SpaceBeforeAssignmentOperators);
203   CHECK_PARSE_BOOL(SpaceBeforeCaseColon);
204   CHECK_PARSE_BOOL(SpaceBeforeCpp11BracedList);
205   CHECK_PARSE_BOOL(SpaceBeforeCtorInitializerColon);
206   CHECK_PARSE_BOOL(SpaceBeforeInheritanceColon);
207   CHECK_PARSE_BOOL(SpaceBeforeJsonColon);
208   CHECK_PARSE_BOOL(SpaceBeforeRangeBasedForLoopColon);
209   CHECK_PARSE_BOOL(SpaceBeforeSquareBrackets);
210   CHECK_PARSE_BOOL(VerilogBreakBetweenInstancePorts);
211 
212   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, Enabled);
213   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements,
214                           AcrossEmptyLines);
215   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AcrossComments);
216   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseArrows);
217   CHECK_PARSE_NESTED_BOOL(AlignConsecutiveShortCaseStatements, AlignCaseColons);
218   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterCaseLabel);
219   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterClass);
220   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterEnum);
221   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterFunction);
222   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterNamespace);
223   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterObjCDeclaration);
224   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterStruct);
225   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterUnion);
226   CHECK_PARSE_NESTED_BOOL(BraceWrapping, AfterExternBlock);
227   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeCatch);
228   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeElse);
229   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeLambdaBody);
230   CHECK_PARSE_NESTED_BOOL(BraceWrapping, BeforeWhile);
231   CHECK_PARSE_NESTED_BOOL(BraceWrapping, IndentBraces);
232   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyFunction);
233   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyRecord);
234   CHECK_PARSE_NESTED_BOOL(BraceWrapping, SplitEmptyNamespace);
235   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtEndOfFile);
236   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfBlock);
237   CHECK_PARSE_NESTED_BOOL(KeepEmptyLines, AtStartOfFile);
238   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterControlStatements);
239   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterForeachMacros);
240   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
241                           AfterFunctionDeclarationName);
242   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions,
243                           AfterFunctionDefinitionName);
244   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterIfMacros);
245   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterOverloadedOperator);
246   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, AfterPlacementOperator);
247   CHECK_PARSE_NESTED_BOOL(SpaceBeforeParensOptions, BeforeNonEmptyParentheses);
248   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, ExceptDoubleParentheses);
249   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InCStyleCasts);
250   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InConditionalStatements);
251   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, InEmptyParentheses);
252   CHECK_PARSE_NESTED_BOOL(SpacesInParensOptions, Other);
253 }
254 
255 #undef CHECK_PARSE_BOOL
256 
257 TEST(ConfigParseTest, ParsesConfiguration) {
258   FormatStyle Style = {};
259   Style.Language = FormatStyle::LK_Cpp;
260   CHECK_PARSE("AccessModifierOffset: -1234", AccessModifierOffset, -1234);
261   CHECK_PARSE("ConstructorInitializerIndentWidth: 1234",
262               ConstructorInitializerIndentWidth, 1234u);
263   CHECK_PARSE("ObjCBlockIndentWidth: 1234", ObjCBlockIndentWidth, 1234u);
264   CHECK_PARSE("ColumnLimit: 1234", ColumnLimit, 1234u);
265   CHECK_PARSE("MaxEmptyLinesToKeep: 1234", MaxEmptyLinesToKeep, 1234u);
266   CHECK_PARSE("PenaltyBreakAssignment: 1234", PenaltyBreakAssignment, 1234u);
267   CHECK_PARSE("PenaltyBreakBeforeFirstCallParameter: 1234",
268               PenaltyBreakBeforeFirstCallParameter, 1234u);
269   CHECK_PARSE("PenaltyBreakBeforeMemberAccess: 1234",
270               PenaltyBreakBeforeMemberAccess, 1234u);
271   CHECK_PARSE("PenaltyBreakTemplateDeclaration: 1234",
272               PenaltyBreakTemplateDeclaration, 1234u);
273   CHECK_PARSE("PenaltyBreakOpenParenthesis: 1234", PenaltyBreakOpenParenthesis,
274               1234u);
275   CHECK_PARSE("PenaltyBreakScopeResolution: 1234", PenaltyBreakScopeResolution,
276               1234u);
277   CHECK_PARSE("PenaltyExcessCharacter: 1234", PenaltyExcessCharacter, 1234u);
278   CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234",
279               PenaltyReturnTypeOnItsOwnLine, 1234u);
280   CHECK_PARSE("SpacesBeforeTrailingComments: 1234",
281               SpacesBeforeTrailingComments, 1234u);
282   CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
283   CHECK_PARSE("ContinuationIndentWidth: 11", ContinuationIndentWidth, 11u);
284   CHECK_PARSE("BracedInitializerIndentWidth: 34", BracedInitializerIndentWidth,
285               34);
286   CHECK_PARSE("CommentPragmas: '// abc$'", CommentPragmas, "// abc$");
287 
288   Style.QualifierAlignment = FormatStyle::QAS_Right;
289   CHECK_PARSE("QualifierAlignment: Leave", QualifierAlignment,
290               FormatStyle::QAS_Leave);
291   CHECK_PARSE("QualifierAlignment: Right", QualifierAlignment,
292               FormatStyle::QAS_Right);
293   CHECK_PARSE("QualifierAlignment: Left", QualifierAlignment,
294               FormatStyle::QAS_Left);
295   CHECK_PARSE("QualifierAlignment: Custom", QualifierAlignment,
296               FormatStyle::QAS_Custom);
297 
298   Style.QualifierOrder.clear();
299   CHECK_PARSE("QualifierOrder: [ const, volatile, type ]", QualifierOrder,
300               std::vector<std::string>({"const", "volatile", "type"}));
301   Style.QualifierOrder.clear();
302   CHECK_PARSE("QualifierOrder: [const, type]", QualifierOrder,
303               std::vector<std::string>({"const", "type"}));
304   Style.QualifierOrder.clear();
305   CHECK_PARSE("QualifierOrder: [volatile, type]", QualifierOrder,
306               std::vector<std::string>({"volatile", "type"}));
307 
308 #define CHECK_ALIGN_CONSECUTIVE(FIELD)                                         \
309   do {                                                                         \
310     Style.FIELD.Enabled = true;                                                \
311     CHECK_PARSE(#FIELD ": None", FIELD,                                        \
312                 FormatStyle::AlignConsecutiveStyle({}));                       \
313     CHECK_PARSE(                                                               \
314         #FIELD ": Consecutive", FIELD,                                         \
315         FormatStyle::AlignConsecutiveStyle(                                    \
316             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
317              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
318              /*AlignFunctionDeclarations=*/true,                               \
319              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
320     CHECK_PARSE(                                                               \
321         #FIELD ": AcrossEmptyLines", FIELD,                                    \
322         FormatStyle::AlignConsecutiveStyle(                                    \
323             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
324              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
325              /*AlignFunctionDeclarations=*/true,                               \
326              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
327     CHECK_PARSE(                                                               \
328         #FIELD ": AcrossComments", FIELD,                                      \
329         FormatStyle::AlignConsecutiveStyle(                                    \
330             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
331              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
332              /*AlignFunctionDeclarations=*/true,                               \
333              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
334     CHECK_PARSE(                                                               \
335         #FIELD ": AcrossEmptyLinesAndComments", FIELD,                         \
336         FormatStyle::AlignConsecutiveStyle(                                    \
337             {/*Enabled=*/true, /*AcrossEmptyLines=*/true,                      \
338              /*AcrossComments=*/true, /*AlignCompound=*/false,                 \
339              /*AlignFunctionDeclarations=*/true,                               \
340              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
341     /* For backwards compability, false / true should still parse */           \
342     CHECK_PARSE(#FIELD ": false", FIELD,                                       \
343                 FormatStyle::AlignConsecutiveStyle({}));                       \
344     CHECK_PARSE(                                                               \
345         #FIELD ": true", FIELD,                                                \
346         FormatStyle::AlignConsecutiveStyle(                                    \
347             {/*Enabled=*/true, /*AcrossEmptyLines=*/false,                     \
348              /*AcrossComments=*/false, /*AlignCompound=*/false,                \
349              /*AlignFunctionDeclarations=*/true,                               \
350              /*AlignFunctionPointers=*/false, /*PadOperators=*/true}));        \
351                                                                                \
352     CHECK_PARSE_NESTED_BOOL(FIELD, Enabled);                                   \
353     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossEmptyLines);                          \
354     CHECK_PARSE_NESTED_BOOL(FIELD, AcrossComments);                            \
355     CHECK_PARSE_NESTED_BOOL(FIELD, AlignCompound);                             \
356     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionDeclarations);                 \
357     CHECK_PARSE_NESTED_BOOL(FIELD, AlignFunctionPointers);                     \
358     CHECK_PARSE_NESTED_BOOL(FIELD, PadOperators);                              \
359   } while (false)
360 
361   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveAssignments);
362   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveBitFields);
363   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveMacros);
364   CHECK_ALIGN_CONSECUTIVE(AlignConsecutiveDeclarations);
365 
366 #undef CHECK_ALIGN_CONSECUTIVE
367 
368   Style.PointerAlignment = FormatStyle::PAS_Middle;
369   CHECK_PARSE("PointerAlignment: Left", PointerAlignment,
370               FormatStyle::PAS_Left);
371   CHECK_PARSE("PointerAlignment: Right", PointerAlignment,
372               FormatStyle::PAS_Right);
373   CHECK_PARSE("PointerAlignment: Middle", PointerAlignment,
374               FormatStyle::PAS_Middle);
375   Style.ReferenceAlignment = FormatStyle::RAS_Middle;
376   CHECK_PARSE("ReferenceAlignment: Pointer", ReferenceAlignment,
377               FormatStyle::RAS_Pointer);
378   CHECK_PARSE("ReferenceAlignment: Left", ReferenceAlignment,
379               FormatStyle::RAS_Left);
380   CHECK_PARSE("ReferenceAlignment: Right", ReferenceAlignment,
381               FormatStyle::RAS_Right);
382   CHECK_PARSE("ReferenceAlignment: Middle", ReferenceAlignment,
383               FormatStyle::RAS_Middle);
384   // For backward compatibility:
385   CHECK_PARSE("PointerBindsToType: Left", PointerAlignment,
386               FormatStyle::PAS_Left);
387   CHECK_PARSE("PointerBindsToType: Right", PointerAlignment,
388               FormatStyle::PAS_Right);
389   CHECK_PARSE("PointerBindsToType: Middle", PointerAlignment,
390               FormatStyle::PAS_Middle);
391 
392   Style.ReflowComments = FormatStyle::RCS_Always;
393   CHECK_PARSE("ReflowComments: Never", ReflowComments, FormatStyle::RCS_Never);
394   CHECK_PARSE("ReflowComments: IndentOnly", ReflowComments,
395               FormatStyle::RCS_IndentOnly);
396   CHECK_PARSE("ReflowComments: Always", ReflowComments,
397               FormatStyle::RCS_Always);
398   // For backward compatibility:
399   CHECK_PARSE("ReflowComments: false", ReflowComments, FormatStyle::RCS_Never);
400   CHECK_PARSE("ReflowComments: true", ReflowComments, FormatStyle::RCS_Always);
401 
402   Style.Standard = FormatStyle::LS_Auto;
403   CHECK_PARSE("Standard: c++03", Standard, FormatStyle::LS_Cpp03);
404   CHECK_PARSE("Standard: c++11", Standard, FormatStyle::LS_Cpp11);
405   CHECK_PARSE("Standard: c++14", Standard, FormatStyle::LS_Cpp14);
406   CHECK_PARSE("Standard: c++17", Standard, FormatStyle::LS_Cpp17);
407   CHECK_PARSE("Standard: c++20", Standard, FormatStyle::LS_Cpp20);
408   CHECK_PARSE("Standard: Auto", Standard, FormatStyle::LS_Auto);
409   CHECK_PARSE("Standard: Latest", Standard, FormatStyle::LS_Latest);
410   // Legacy aliases:
411   CHECK_PARSE("Standard: Cpp03", Standard, FormatStyle::LS_Cpp03);
412   CHECK_PARSE("Standard: Cpp11", Standard, FormatStyle::LS_Latest);
413   CHECK_PARSE("Standard: C++03", Standard, FormatStyle::LS_Cpp03);
414   CHECK_PARSE("Standard: C++11", Standard, FormatStyle::LS_Cpp11);
415 
416   Style.BreakBeforeBinaryOperators = FormatStyle::BOS_All;
417   CHECK_PARSE("BreakBeforeBinaryOperators: NonAssignment",
418               BreakBeforeBinaryOperators, FormatStyle::BOS_NonAssignment);
419   CHECK_PARSE("BreakBeforeBinaryOperators: None", BreakBeforeBinaryOperators,
420               FormatStyle::BOS_None);
421   CHECK_PARSE("BreakBeforeBinaryOperators: All", BreakBeforeBinaryOperators,
422               FormatStyle::BOS_All);
423   // For backward compatibility:
424   CHECK_PARSE("BreakBeforeBinaryOperators: false", BreakBeforeBinaryOperators,
425               FormatStyle::BOS_None);
426   CHECK_PARSE("BreakBeforeBinaryOperators: true", BreakBeforeBinaryOperators,
427               FormatStyle::BOS_All);
428 
429   Style.BreakBinaryOperations = FormatStyle::BBO_Never;
430   CHECK_PARSE("BreakBinaryOperations: OnePerLine", BreakBinaryOperations,
431               FormatStyle::BBO_OnePerLine);
432   CHECK_PARSE("BreakBinaryOperations: RespectPrecedence", BreakBinaryOperations,
433               FormatStyle::BBO_RespectPrecedence);
434   CHECK_PARSE("BreakBinaryOperations: Never", BreakBinaryOperations,
435               FormatStyle::BBO_Never);
436 
437   Style.BreakConstructorInitializers = FormatStyle::BCIS_BeforeColon;
438   CHECK_PARSE("BreakConstructorInitializers: BeforeComma",
439               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
440   CHECK_PARSE("BreakConstructorInitializers: AfterColon",
441               BreakConstructorInitializers, FormatStyle::BCIS_AfterColon);
442   CHECK_PARSE("BreakConstructorInitializers: BeforeColon",
443               BreakConstructorInitializers, FormatStyle::BCIS_BeforeColon);
444   // For backward compatibility:
445   CHECK_PARSE("BreakConstructorInitializersBeforeComma: true",
446               BreakConstructorInitializers, FormatStyle::BCIS_BeforeComma);
447 
448   Style.BreakInheritanceList = FormatStyle::BILS_BeforeColon;
449   CHECK_PARSE("BreakInheritanceList: AfterComma", BreakInheritanceList,
450               FormatStyle::BILS_AfterComma);
451   CHECK_PARSE("BreakInheritanceList: BeforeComma", BreakInheritanceList,
452               FormatStyle::BILS_BeforeComma);
453   CHECK_PARSE("BreakInheritanceList: AfterColon", BreakInheritanceList,
454               FormatStyle::BILS_AfterColon);
455   CHECK_PARSE("BreakInheritanceList: BeforeColon", BreakInheritanceList,
456               FormatStyle::BILS_BeforeColon);
457   // For backward compatibility:
458   CHECK_PARSE("BreakBeforeInheritanceComma: true", BreakInheritanceList,
459               FormatStyle::BILS_BeforeComma);
460 
461   Style.BinPackParameters = FormatStyle::BPPS_OnePerLine;
462   CHECK_PARSE("BinPackParameters: BinPack", BinPackParameters,
463               FormatStyle::BPPS_BinPack);
464   CHECK_PARSE("BinPackParameters: OnePerLine", BinPackParameters,
465               FormatStyle::BPPS_OnePerLine);
466   CHECK_PARSE("BinPackParameters: AlwaysOnePerLine", BinPackParameters,
467               FormatStyle::BPPS_AlwaysOnePerLine);
468   // For backward compatibility.
469   CHECK_PARSE("BinPackParameters: true", BinPackParameters,
470               FormatStyle::BPPS_BinPack);
471   CHECK_PARSE("BinPackParameters: false", BinPackParameters,
472               FormatStyle::BPPS_OnePerLine);
473 
474   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
475   CHECK_PARSE("PackConstructorInitializers: Never", PackConstructorInitializers,
476               FormatStyle::PCIS_Never);
477   CHECK_PARSE("PackConstructorInitializers: BinPack",
478               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
479   CHECK_PARSE("PackConstructorInitializers: CurrentLine",
480               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
481   CHECK_PARSE("PackConstructorInitializers: NextLine",
482               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
483   CHECK_PARSE("PackConstructorInitializers: NextLineOnly",
484               PackConstructorInitializers, FormatStyle::PCIS_NextLineOnly);
485   // For backward compatibility:
486   CHECK_PARSE("BasedOnStyle: Google\n"
487               "ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
488               "AllowAllConstructorInitializersOnNextLine: false",
489               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
490   Style.PackConstructorInitializers = FormatStyle::PCIS_NextLine;
491   CHECK_PARSE("BasedOnStyle: Google\n"
492               "ConstructorInitializerAllOnOneLineOrOnePerLine: false",
493               PackConstructorInitializers, FormatStyle::PCIS_BinPack);
494   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
495               "AllowAllConstructorInitializersOnNextLine: true",
496               PackConstructorInitializers, FormatStyle::PCIS_NextLine);
497   Style.PackConstructorInitializers = FormatStyle::PCIS_BinPack;
498   CHECK_PARSE("ConstructorInitializerAllOnOneLineOrOnePerLine: true\n"
499               "AllowAllConstructorInitializersOnNextLine: false",
500               PackConstructorInitializers, FormatStyle::PCIS_CurrentLine);
501 
502   Style.EmptyLineBeforeAccessModifier = FormatStyle::ELBAMS_LogicalBlock;
503   CHECK_PARSE("EmptyLineBeforeAccessModifier: Never",
504               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Never);
505   CHECK_PARSE("EmptyLineBeforeAccessModifier: Leave",
506               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Leave);
507   CHECK_PARSE("EmptyLineBeforeAccessModifier: LogicalBlock",
508               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_LogicalBlock);
509   CHECK_PARSE("EmptyLineBeforeAccessModifier: Always",
510               EmptyLineBeforeAccessModifier, FormatStyle::ELBAMS_Always);
511 
512   Style.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
513   CHECK_PARSE("AlignAfterOpenBracket: Align", AlignAfterOpenBracket,
514               FormatStyle::BAS_Align);
515   CHECK_PARSE("AlignAfterOpenBracket: DontAlign", AlignAfterOpenBracket,
516               FormatStyle::BAS_DontAlign);
517   CHECK_PARSE("AlignAfterOpenBracket: AlwaysBreak", AlignAfterOpenBracket,
518               FormatStyle::BAS_AlwaysBreak);
519   CHECK_PARSE("AlignAfterOpenBracket: BlockIndent", AlignAfterOpenBracket,
520               FormatStyle::BAS_BlockIndent);
521   // For backward compatibility:
522   CHECK_PARSE("AlignAfterOpenBracket: false", AlignAfterOpenBracket,
523               FormatStyle::BAS_DontAlign);
524   CHECK_PARSE("AlignAfterOpenBracket: true", AlignAfterOpenBracket,
525               FormatStyle::BAS_Align);
526 
527   Style.AlignEscapedNewlines = FormatStyle::ENAS_Left;
528   CHECK_PARSE("AlignEscapedNewlines: DontAlign", AlignEscapedNewlines,
529               FormatStyle::ENAS_DontAlign);
530   CHECK_PARSE("AlignEscapedNewlines: Left", AlignEscapedNewlines,
531               FormatStyle::ENAS_Left);
532   CHECK_PARSE("AlignEscapedNewlines: LeftWithLastLine", AlignEscapedNewlines,
533               FormatStyle::ENAS_LeftWithLastLine);
534   CHECK_PARSE("AlignEscapedNewlines: Right", AlignEscapedNewlines,
535               FormatStyle::ENAS_Right);
536   // For backward compatibility:
537   CHECK_PARSE("AlignEscapedNewlinesLeft: true", AlignEscapedNewlines,
538               FormatStyle::ENAS_Left);
539   CHECK_PARSE("AlignEscapedNewlinesLeft: false", AlignEscapedNewlines,
540               FormatStyle::ENAS_Right);
541 
542   Style.AlignOperands = FormatStyle::OAS_Align;
543   CHECK_PARSE("AlignOperands: DontAlign", AlignOperands,
544               FormatStyle::OAS_DontAlign);
545   CHECK_PARSE("AlignOperands: Align", AlignOperands, FormatStyle::OAS_Align);
546   CHECK_PARSE("AlignOperands: AlignAfterOperator", AlignOperands,
547               FormatStyle::OAS_AlignAfterOperator);
548   // For backward compatibility:
549   CHECK_PARSE("AlignOperands: false", AlignOperands,
550               FormatStyle::OAS_DontAlign);
551   CHECK_PARSE("AlignOperands: true", AlignOperands, FormatStyle::OAS_Align);
552 
553   CHECK_PARSE("AlignTrailingComments: Leave", AlignTrailingComments,
554               FormatStyle::TrailingCommentsAlignmentStyle(
555                   {FormatStyle::TCAS_Leave, 0}));
556   CHECK_PARSE("AlignTrailingComments: Always", AlignTrailingComments,
557               FormatStyle::TrailingCommentsAlignmentStyle(
558                   {FormatStyle::TCAS_Always, 0}));
559   CHECK_PARSE("AlignTrailingComments: Never", AlignTrailingComments,
560               FormatStyle::TrailingCommentsAlignmentStyle(
561                   {FormatStyle::TCAS_Never, 0}));
562   // For backwards compatibility
563   CHECK_PARSE("AlignTrailingComments: true", AlignTrailingComments,
564               FormatStyle::TrailingCommentsAlignmentStyle(
565                   {FormatStyle::TCAS_Always, 0}));
566   CHECK_PARSE("AlignTrailingComments: false", AlignTrailingComments,
567               FormatStyle::TrailingCommentsAlignmentStyle(
568                   {FormatStyle::TCAS_Never, 0}));
569   CHECK_PARSE_NESTED_VALUE("Kind: Always", AlignTrailingComments, Kind,
570                            FormatStyle::TCAS_Always);
571   CHECK_PARSE_NESTED_VALUE("Kind: Never", AlignTrailingComments, Kind,
572                            FormatStyle::TCAS_Never);
573   CHECK_PARSE_NESTED_VALUE("Kind: Leave", AlignTrailingComments, Kind,
574                            FormatStyle::TCAS_Leave);
575   CHECK_PARSE_NESTED_VALUE("OverEmptyLines: 1234", AlignTrailingComments,
576                            OverEmptyLines, 1234u);
577 
578   Style.UseTab = FormatStyle::UT_ForIndentation;
579   CHECK_PARSE("UseTab: Never", UseTab, FormatStyle::UT_Never);
580   CHECK_PARSE("UseTab: ForIndentation", UseTab, FormatStyle::UT_ForIndentation);
581   CHECK_PARSE("UseTab: Always", UseTab, FormatStyle::UT_Always);
582   CHECK_PARSE("UseTab: ForContinuationAndIndentation", UseTab,
583               FormatStyle::UT_ForContinuationAndIndentation);
584   CHECK_PARSE("UseTab: AlignWithSpaces", UseTab,
585               FormatStyle::UT_AlignWithSpaces);
586   // For backward compatibility:
587   CHECK_PARSE("UseTab: false", UseTab, FormatStyle::UT_Never);
588   CHECK_PARSE("UseTab: true", UseTab, FormatStyle::UT_Always);
589 
590   Style.AllowShortBlocksOnASingleLine = FormatStyle::SBS_Empty;
591   CHECK_PARSE("AllowShortBlocksOnASingleLine: Never",
592               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
593   CHECK_PARSE("AllowShortBlocksOnASingleLine: Empty",
594               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Empty);
595   CHECK_PARSE("AllowShortBlocksOnASingleLine: Always",
596               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
597   // For backward compatibility:
598   CHECK_PARSE("AllowShortBlocksOnASingleLine: false",
599               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Never);
600   CHECK_PARSE("AllowShortBlocksOnASingleLine: true",
601               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
602 
603   Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
604   CHECK_PARSE("AllowShortFunctionsOnASingleLine: None",
605               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
606   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Inline",
607               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Inline);
608   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Empty",
609               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Empty);
610   CHECK_PARSE("AllowShortFunctionsOnASingleLine: All",
611               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
612   // For backward compatibility:
613   CHECK_PARSE("AllowShortFunctionsOnASingleLine: false",
614               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
615   CHECK_PARSE("AllowShortFunctionsOnASingleLine: true",
616               AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
617 
618   Style.AllowShortLambdasOnASingleLine = FormatStyle::SLS_All;
619   CHECK_PARSE("AllowShortLambdasOnASingleLine: None",
620               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
621   CHECK_PARSE("AllowShortLambdasOnASingleLine: Empty",
622               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Empty);
623   CHECK_PARSE("AllowShortLambdasOnASingleLine: Inline",
624               AllowShortLambdasOnASingleLine, FormatStyle::SLS_Inline);
625   CHECK_PARSE("AllowShortLambdasOnASingleLine: All",
626               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
627   // For backward compatibility:
628   CHECK_PARSE("AllowShortLambdasOnASingleLine: false",
629               AllowShortLambdasOnASingleLine, FormatStyle::SLS_None);
630   CHECK_PARSE("AllowShortLambdasOnASingleLine: true",
631               AllowShortLambdasOnASingleLine, FormatStyle::SLS_All);
632 
633   Style.SpaceAroundPointerQualifiers = FormatStyle::SAPQ_Both;
634   CHECK_PARSE("SpaceAroundPointerQualifiers: Default",
635               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Default);
636   CHECK_PARSE("SpaceAroundPointerQualifiers: Before",
637               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Before);
638   CHECK_PARSE("SpaceAroundPointerQualifiers: After",
639               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_After);
640   CHECK_PARSE("SpaceAroundPointerQualifiers: Both",
641               SpaceAroundPointerQualifiers, FormatStyle::SAPQ_Both);
642 
643   Style.SpaceBeforeParens = FormatStyle::SBPO_Always;
644   CHECK_PARSE("SpaceBeforeParens: Never", SpaceBeforeParens,
645               FormatStyle::SBPO_Never);
646   CHECK_PARSE("SpaceBeforeParens: Always", SpaceBeforeParens,
647               FormatStyle::SBPO_Always);
648   CHECK_PARSE("SpaceBeforeParens: ControlStatements", SpaceBeforeParens,
649               FormatStyle::SBPO_ControlStatements);
650   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptControlMacros",
651               SpaceBeforeParens,
652               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
653   CHECK_PARSE("SpaceBeforeParens: NonEmptyParentheses", SpaceBeforeParens,
654               FormatStyle::SBPO_NonEmptyParentheses);
655   CHECK_PARSE("SpaceBeforeParens: Custom", SpaceBeforeParens,
656               FormatStyle::SBPO_Custom);
657   // For backward compatibility:
658   CHECK_PARSE("SpaceAfterControlStatementKeyword: false", SpaceBeforeParens,
659               FormatStyle::SBPO_Never);
660   CHECK_PARSE("SpaceAfterControlStatementKeyword: true", SpaceBeforeParens,
661               FormatStyle::SBPO_ControlStatements);
662   CHECK_PARSE("SpaceBeforeParens: ControlStatementsExceptForEachMacros",
663               SpaceBeforeParens,
664               FormatStyle::SBPO_ControlStatementsExceptControlMacros);
665 
666   // For backward compatibility:
667   Style.SpacesInParens = FormatStyle::SIPO_Never;
668   Style.SpacesInParensOptions = {};
669   CHECK_PARSE("SpacesInParentheses: true", SpacesInParens,
670               FormatStyle::SIPO_Custom);
671   Style.SpacesInParens = FormatStyle::SIPO_Never;
672   Style.SpacesInParensOptions = {};
673   CHECK_PARSE(
674       "SpacesInParentheses: true", SpacesInParensOptions,
675       FormatStyle::SpacesInParensCustom(false, true, false, false, true));
676   Style.SpacesInParens = FormatStyle::SIPO_Never;
677   Style.SpacesInParensOptions = {};
678   CHECK_PARSE(
679       "SpacesInConditionalStatement: true", SpacesInParensOptions,
680       FormatStyle::SpacesInParensCustom(false, true, false, false, false));
681   Style.SpacesInParens = FormatStyle::SIPO_Never;
682   Style.SpacesInParensOptions = {};
683   CHECK_PARSE(
684       "SpacesInCStyleCastParentheses: true", SpacesInParensOptions,
685       FormatStyle::SpacesInParensCustom(false, false, true, false, false));
686   Style.SpacesInParens = FormatStyle::SIPO_Never;
687   Style.SpacesInParensOptions = {};
688   CHECK_PARSE(
689       "SpaceInEmptyParentheses: true", SpacesInParensOptions,
690       FormatStyle::SpacesInParensCustom(false, false, false, true, false));
691   Style.SpacesInParens = FormatStyle::SIPO_Never;
692   Style.SpacesInParensOptions = {};
693 
694   Style.ColumnLimit = 123;
695   FormatStyle BaseStyle = getLLVMStyle();
696   CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);
697   CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234", ColumnLimit, 1234u);
698 
699   Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
700   CHECK_PARSE("BreakBeforeBraces: Attach", BreakBeforeBraces,
701               FormatStyle::BS_Attach);
702   CHECK_PARSE("BreakBeforeBraces: Linux", BreakBeforeBraces,
703               FormatStyle::BS_Linux);
704   CHECK_PARSE("BreakBeforeBraces: Mozilla", BreakBeforeBraces,
705               FormatStyle::BS_Mozilla);
706   CHECK_PARSE("BreakBeforeBraces: Stroustrup", BreakBeforeBraces,
707               FormatStyle::BS_Stroustrup);
708   CHECK_PARSE("BreakBeforeBraces: Allman", BreakBeforeBraces,
709               FormatStyle::BS_Allman);
710   CHECK_PARSE("BreakBeforeBraces: Whitesmiths", BreakBeforeBraces,
711               FormatStyle::BS_Whitesmiths);
712   CHECK_PARSE("BreakBeforeBraces: GNU", BreakBeforeBraces, FormatStyle::BS_GNU);
713   CHECK_PARSE("BreakBeforeBraces: WebKit", BreakBeforeBraces,
714               FormatStyle::BS_WebKit);
715   CHECK_PARSE("BreakBeforeBraces: Custom", BreakBeforeBraces,
716               FormatStyle::BS_Custom);
717 
718   Style.BraceWrapping.AfterControlStatement = FormatStyle::BWACS_Never;
719   CHECK_PARSE("BraceWrapping:\n"
720               "  AfterControlStatement: MultiLine",
721               BraceWrapping.AfterControlStatement,
722               FormatStyle::BWACS_MultiLine);
723   CHECK_PARSE("BraceWrapping:\n"
724               "  AfterControlStatement: Always",
725               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
726   CHECK_PARSE("BraceWrapping:\n"
727               "  AfterControlStatement: Never",
728               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
729   // For backward compatibility:
730   CHECK_PARSE("BraceWrapping:\n"
731               "  AfterControlStatement: true",
732               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Always);
733   CHECK_PARSE("BraceWrapping:\n"
734               "  AfterControlStatement: false",
735               BraceWrapping.AfterControlStatement, FormatStyle::BWACS_Never);
736 
737   Style.BreakAfterReturnType = FormatStyle::RTBS_All;
738   CHECK_PARSE("BreakAfterReturnType: None", BreakAfterReturnType,
739               FormatStyle::RTBS_None);
740   CHECK_PARSE("BreakAfterReturnType: Automatic", BreakAfterReturnType,
741               FormatStyle::RTBS_Automatic);
742   CHECK_PARSE("BreakAfterReturnType: ExceptShortType", BreakAfterReturnType,
743               FormatStyle::RTBS_ExceptShortType);
744   CHECK_PARSE("BreakAfterReturnType: All", BreakAfterReturnType,
745               FormatStyle::RTBS_All);
746   CHECK_PARSE("BreakAfterReturnType: TopLevel", BreakAfterReturnType,
747               FormatStyle::RTBS_TopLevel);
748   CHECK_PARSE("BreakAfterReturnType: AllDefinitions", BreakAfterReturnType,
749               FormatStyle::RTBS_AllDefinitions);
750   CHECK_PARSE("BreakAfterReturnType: TopLevelDefinitions", BreakAfterReturnType,
751               FormatStyle::RTBS_TopLevelDefinitions);
752   // For backward compatibility:
753   CHECK_PARSE("AlwaysBreakAfterReturnType: None", BreakAfterReturnType,
754               FormatStyle::RTBS_None);
755   CHECK_PARSE("AlwaysBreakAfterReturnType: Automatic", BreakAfterReturnType,
756               FormatStyle::RTBS_Automatic);
757   CHECK_PARSE("AlwaysBreakAfterReturnType: ExceptShortType",
758               BreakAfterReturnType, FormatStyle::RTBS_ExceptShortType);
759   CHECK_PARSE("AlwaysBreakAfterReturnType: All", BreakAfterReturnType,
760               FormatStyle::RTBS_All);
761   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevel", BreakAfterReturnType,
762               FormatStyle::RTBS_TopLevel);
763   CHECK_PARSE("AlwaysBreakAfterReturnType: AllDefinitions",
764               BreakAfterReturnType, FormatStyle::RTBS_AllDefinitions);
765   CHECK_PARSE("AlwaysBreakAfterReturnType: TopLevelDefinitions",
766               BreakAfterReturnType, FormatStyle::RTBS_TopLevelDefinitions);
767 
768   Style.BreakTemplateDeclarations = FormatStyle::BTDS_Yes;
769   CHECK_PARSE("BreakTemplateDeclarations: Leave", BreakTemplateDeclarations,
770               FormatStyle::BTDS_Leave);
771   CHECK_PARSE("BreakTemplateDeclarations: No", BreakTemplateDeclarations,
772               FormatStyle::BTDS_No);
773   CHECK_PARSE("BreakTemplateDeclarations: MultiLine", BreakTemplateDeclarations,
774               FormatStyle::BTDS_MultiLine);
775   CHECK_PARSE("BreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
776               FormatStyle::BTDS_Yes);
777   CHECK_PARSE("BreakTemplateDeclarations: false", BreakTemplateDeclarations,
778               FormatStyle::BTDS_MultiLine);
779   CHECK_PARSE("BreakTemplateDeclarations: true", BreakTemplateDeclarations,
780               FormatStyle::BTDS_Yes);
781   // For backward compatibility:
782   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Leave",
783               BreakTemplateDeclarations, FormatStyle::BTDS_Leave);
784   CHECK_PARSE("AlwaysBreakTemplateDeclarations: No", BreakTemplateDeclarations,
785               FormatStyle::BTDS_No);
786   CHECK_PARSE("AlwaysBreakTemplateDeclarations: MultiLine",
787               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
788   CHECK_PARSE("AlwaysBreakTemplateDeclarations: Yes", BreakTemplateDeclarations,
789               FormatStyle::BTDS_Yes);
790   CHECK_PARSE("AlwaysBreakTemplateDeclarations: false",
791               BreakTemplateDeclarations, FormatStyle::BTDS_MultiLine);
792   CHECK_PARSE("AlwaysBreakTemplateDeclarations: true",
793               BreakTemplateDeclarations, FormatStyle::BTDS_Yes);
794 
795   Style.AlwaysBreakAfterDefinitionReturnType = FormatStyle::DRTBS_All;
796   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: None",
797               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_None);
798   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: All",
799               AlwaysBreakAfterDefinitionReturnType, FormatStyle::DRTBS_All);
800   CHECK_PARSE("AlwaysBreakAfterDefinitionReturnType: TopLevel",
801               AlwaysBreakAfterDefinitionReturnType,
802               FormatStyle::DRTBS_TopLevel);
803 
804   Style.NamespaceIndentation = FormatStyle::NI_All;
805   CHECK_PARSE("NamespaceIndentation: None", NamespaceIndentation,
806               FormatStyle::NI_None);
807   CHECK_PARSE("NamespaceIndentation: Inner", NamespaceIndentation,
808               FormatStyle::NI_Inner);
809   CHECK_PARSE("NamespaceIndentation: All", NamespaceIndentation,
810               FormatStyle::NI_All);
811 
812   Style.AllowShortIfStatementsOnASingleLine = FormatStyle::SIS_OnlyFirstIf;
813   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Never",
814               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
815   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: WithoutElse",
816               AllowShortIfStatementsOnASingleLine,
817               FormatStyle::SIS_WithoutElse);
818   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: OnlyFirstIf",
819               AllowShortIfStatementsOnASingleLine,
820               FormatStyle::SIS_OnlyFirstIf);
821   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: AllIfsAndElse",
822               AllowShortIfStatementsOnASingleLine,
823               FormatStyle::SIS_AllIfsAndElse);
824   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: Always",
825               AllowShortIfStatementsOnASingleLine,
826               FormatStyle::SIS_OnlyFirstIf);
827   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: false",
828               AllowShortIfStatementsOnASingleLine, FormatStyle::SIS_Never);
829   CHECK_PARSE("AllowShortIfStatementsOnASingleLine: true",
830               AllowShortIfStatementsOnASingleLine,
831               FormatStyle::SIS_WithoutElse);
832 
833   Style.IndentExternBlock = FormatStyle::IEBS_NoIndent;
834   CHECK_PARSE("IndentExternBlock: AfterExternBlock", IndentExternBlock,
835               FormatStyle::IEBS_AfterExternBlock);
836   CHECK_PARSE("IndentExternBlock: Indent", IndentExternBlock,
837               FormatStyle::IEBS_Indent);
838   CHECK_PARSE("IndentExternBlock: NoIndent", IndentExternBlock,
839               FormatStyle::IEBS_NoIndent);
840   CHECK_PARSE("IndentExternBlock: true", IndentExternBlock,
841               FormatStyle::IEBS_Indent);
842   CHECK_PARSE("IndentExternBlock: false", IndentExternBlock,
843               FormatStyle::IEBS_NoIndent);
844 
845   Style.BitFieldColonSpacing = FormatStyle::BFCS_None;
846   CHECK_PARSE("BitFieldColonSpacing: Both", BitFieldColonSpacing,
847               FormatStyle::BFCS_Both);
848   CHECK_PARSE("BitFieldColonSpacing: None", BitFieldColonSpacing,
849               FormatStyle::BFCS_None);
850   CHECK_PARSE("BitFieldColonSpacing: Before", BitFieldColonSpacing,
851               FormatStyle::BFCS_Before);
852   CHECK_PARSE("BitFieldColonSpacing: After", BitFieldColonSpacing,
853               FormatStyle::BFCS_After);
854 
855   Style.SortJavaStaticImport = FormatStyle::SJSIO_Before;
856   CHECK_PARSE("SortJavaStaticImport: After", SortJavaStaticImport,
857               FormatStyle::SJSIO_After);
858   CHECK_PARSE("SortJavaStaticImport: Before", SortJavaStaticImport,
859               FormatStyle::SJSIO_Before);
860 
861   Style.SortUsingDeclarations = FormatStyle::SUD_LexicographicNumeric;
862   CHECK_PARSE("SortUsingDeclarations: Never", SortUsingDeclarations,
863               FormatStyle::SUD_Never);
864   CHECK_PARSE("SortUsingDeclarations: Lexicographic", SortUsingDeclarations,
865               FormatStyle::SUD_Lexicographic);
866   CHECK_PARSE("SortUsingDeclarations: LexicographicNumeric",
867               SortUsingDeclarations, FormatStyle::SUD_LexicographicNumeric);
868   // For backward compatibility:
869   CHECK_PARSE("SortUsingDeclarations: false", SortUsingDeclarations,
870               FormatStyle::SUD_Never);
871   CHECK_PARSE("SortUsingDeclarations: true", SortUsingDeclarations,
872               FormatStyle::SUD_LexicographicNumeric);
873 
874   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Never",
875               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Never);
876   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Always",
877               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Always);
878   CHECK_PARSE("WrapNamespaceBodyWithEmptyLines: Leave",
879               WrapNamespaceBodyWithEmptyLines, FormatStyle::WNBWELS_Leave);
880 
881   // FIXME: This is required because parsing a configuration simply overwrites
882   // the first N elements of the list instead of resetting it.
883   Style.ForEachMacros.clear();
884   std::vector<std::string> BoostForeach;
885   BoostForeach.push_back("BOOST_FOREACH");
886   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH]", ForEachMacros, BoostForeach);
887   std::vector<std::string> BoostAndQForeach;
888   BoostAndQForeach.push_back("BOOST_FOREACH");
889   BoostAndQForeach.push_back("Q_FOREACH");
890   CHECK_PARSE("ForEachMacros: [BOOST_FOREACH, Q_FOREACH]", ForEachMacros,
891               BoostAndQForeach);
892 
893   Style.IfMacros.clear();
894   std::vector<std::string> CustomIfs;
895   CustomIfs.push_back("MYIF");
896   CHECK_PARSE("IfMacros: [MYIF]", IfMacros, CustomIfs);
897 
898   Style.AttributeMacros.clear();
899   CHECK_PARSE("BasedOnStyle: LLVM", AttributeMacros,
900               std::vector<std::string>{"__capability"});
901   CHECK_PARSE("AttributeMacros: [attr1, attr2]", AttributeMacros,
902               std::vector<std::string>({"attr1", "attr2"}));
903 
904   Style.StatementAttributeLikeMacros.clear();
905   CHECK_PARSE("StatementAttributeLikeMacros: [emit,Q_EMIT]",
906               StatementAttributeLikeMacros,
907               std::vector<std::string>({"emit", "Q_EMIT"}));
908 
909   Style.StatementMacros.clear();
910   CHECK_PARSE("StatementMacros: [QUNUSED]", StatementMacros,
911               std::vector<std::string>{"QUNUSED"});
912   CHECK_PARSE("StatementMacros: [QUNUSED, QT_REQUIRE_VERSION]", StatementMacros,
913               std::vector<std::string>({"QUNUSED", "QT_REQUIRE_VERSION"}));
914 
915   CHECK_PARSE_LIST(JavaImportGroups);
916   CHECK_PARSE_LIST(Macros);
917   CHECK_PARSE_LIST(NamespaceMacros);
918   CHECK_PARSE_LIST(ObjCPropertyAttributeOrder);
919   CHECK_PARSE_LIST(TableGenBreakingDAGArgOperators);
920   CHECK_PARSE_LIST(TemplateNames);
921   CHECK_PARSE_LIST(TypeNames);
922   CHECK_PARSE_LIST(TypenameMacros);
923   CHECK_PARSE_LIST(VariableTemplates);
924 
925   Style.WhitespaceSensitiveMacros.clear();
926   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE]",
927               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
928   CHECK_PARSE("WhitespaceSensitiveMacros: [STRINGIZE, ASSERT]",
929               WhitespaceSensitiveMacros,
930               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
931   Style.WhitespaceSensitiveMacros.clear();
932   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE']",
933               WhitespaceSensitiveMacros, std::vector<std::string>{"STRINGIZE"});
934   CHECK_PARSE("WhitespaceSensitiveMacros: ['STRINGIZE', 'ASSERT']",
935               WhitespaceSensitiveMacros,
936               std::vector<std::string>({"STRINGIZE", "ASSERT"}));
937 
938   Style.IncludeStyle.IncludeCategories.clear();
939   std::vector<tooling::IncludeStyle::IncludeCategory> ExpectedCategories = {
940       {"abc/.*", 2, 0, false}, {".*", 1, 0, true}};
941   CHECK_PARSE("IncludeCategories:\n"
942               "  - Regex: abc/.*\n"
943               "    Priority: 2\n"
944               "  - Regex: .*\n"
945               "    Priority: 1\n"
946               "    CaseSensitive: true",
947               IncludeStyle.IncludeCategories, ExpectedCategories);
948   CHECK_PARSE("IncludeIsMainRegex: 'abc$'", IncludeStyle.IncludeIsMainRegex,
949               "abc$");
950   CHECK_PARSE("IncludeIsMainSourceRegex: 'abc$'",
951               IncludeStyle.IncludeIsMainSourceRegex, "abc$");
952 
953   Style.SortIncludes = FormatStyle::SI_Never;
954   CHECK_PARSE("SortIncludes: true", SortIncludes,
955               FormatStyle::SI_CaseSensitive);
956   CHECK_PARSE("SortIncludes: false", SortIncludes, FormatStyle::SI_Never);
957   CHECK_PARSE("SortIncludes: CaseInsensitive", SortIncludes,
958               FormatStyle::SI_CaseInsensitive);
959   CHECK_PARSE("SortIncludes: CaseSensitive", SortIncludes,
960               FormatStyle::SI_CaseSensitive);
961   CHECK_PARSE("SortIncludes: Never", SortIncludes, FormatStyle::SI_Never);
962 
963   Style.RawStringFormats.clear();
964   std::vector<FormatStyle::RawStringFormat> ExpectedRawStringFormats = {
965       {
966           FormatStyle::LK_TextProto,
967           {"pb", "proto"},
968           {"PARSE_TEXT_PROTO"},
969           /*CanonicalDelimiter=*/"",
970           "llvm",
971       },
972       {
973           FormatStyle::LK_Cpp,
974           {"cc", "cpp"},
975           {"C_CODEBLOCK", "CPPEVAL"},
976           /*CanonicalDelimiter=*/"cc",
977           /*BasedOnStyle=*/"",
978       },
979   };
980 
981   CHECK_PARSE("RawStringFormats:\n"
982               "  - Language: TextProto\n"
983               "    Delimiters:\n"
984               "      - 'pb'\n"
985               "      - 'proto'\n"
986               "    EnclosingFunctions:\n"
987               "      - 'PARSE_TEXT_PROTO'\n"
988               "    BasedOnStyle: llvm\n"
989               "  - Language: Cpp\n"
990               "    Delimiters:\n"
991               "      - 'cc'\n"
992               "      - 'cpp'\n"
993               "    EnclosingFunctions:\n"
994               "      - 'C_CODEBLOCK'\n"
995               "      - 'CPPEVAL'\n"
996               "    CanonicalDelimiter: 'cc'",
997               RawStringFormats, ExpectedRawStringFormats);
998 
999   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1000               "  Minimum: 0\n"
1001               "  Maximum: 0",
1002               SpacesInLineCommentPrefix.Minimum, 0u);
1003   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Maximum, 0u);
1004   Style.SpacesInLineCommentPrefix.Minimum = 1;
1005   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1006               "  Minimum: 2",
1007               SpacesInLineCommentPrefix.Minimum, 0u);
1008   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1009               "  Maximum: -1",
1010               SpacesInLineCommentPrefix.Maximum, -1u);
1011   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1012               "  Minimum: 2",
1013               SpacesInLineCommentPrefix.Minimum, 2u);
1014   CHECK_PARSE("SpacesInLineCommentPrefix:\n"
1015               "  Maximum: 1",
1016               SpacesInLineCommentPrefix.Maximum, 1u);
1017   EXPECT_EQ(Style.SpacesInLineCommentPrefix.Minimum, 1u);
1018 
1019   Style.SpacesInAngles = FormatStyle::SIAS_Always;
1020   CHECK_PARSE("SpacesInAngles: Never", SpacesInAngles, FormatStyle::SIAS_Never);
1021   CHECK_PARSE("SpacesInAngles: Always", SpacesInAngles,
1022               FormatStyle::SIAS_Always);
1023   CHECK_PARSE("SpacesInAngles: Leave", SpacesInAngles, FormatStyle::SIAS_Leave);
1024   // For backward compatibility:
1025   CHECK_PARSE("SpacesInAngles: false", SpacesInAngles, FormatStyle::SIAS_Never);
1026   CHECK_PARSE("SpacesInAngles: true", SpacesInAngles, FormatStyle::SIAS_Always);
1027 
1028   CHECK_PARSE("RequiresClausePosition: WithPreceding", RequiresClausePosition,
1029               FormatStyle::RCPS_WithPreceding);
1030   CHECK_PARSE("RequiresClausePosition: WithFollowing", RequiresClausePosition,
1031               FormatStyle::RCPS_WithFollowing);
1032   CHECK_PARSE("RequiresClausePosition: SingleLine", RequiresClausePosition,
1033               FormatStyle::RCPS_SingleLine);
1034   CHECK_PARSE("RequiresClausePosition: OwnLine", RequiresClausePosition,
1035               FormatStyle::RCPS_OwnLine);
1036 
1037   CHECK_PARSE("BreakBeforeConceptDeclarations: Never",
1038               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Never);
1039   CHECK_PARSE("BreakBeforeConceptDeclarations: Always",
1040               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1041   CHECK_PARSE("BreakBeforeConceptDeclarations: Allowed",
1042               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1043   // For backward compatibility:
1044   CHECK_PARSE("BreakBeforeConceptDeclarations: true",
1045               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Always);
1046   CHECK_PARSE("BreakBeforeConceptDeclarations: false",
1047               BreakBeforeConceptDeclarations, FormatStyle::BBCDS_Allowed);
1048 
1049   CHECK_PARSE("BreakAfterAttributes: Always", BreakAfterAttributes,
1050               FormatStyle::ABS_Always);
1051   CHECK_PARSE("BreakAfterAttributes: Leave", BreakAfterAttributes,
1052               FormatStyle::ABS_Leave);
1053   CHECK_PARSE("BreakAfterAttributes: Never", BreakAfterAttributes,
1054               FormatStyle::ABS_Never);
1055 
1056   const auto DefaultLineEnding = FormatStyle::LE_DeriveLF;
1057   CHECK_PARSE("LineEnding: LF", LineEnding, FormatStyle::LE_LF);
1058   CHECK_PARSE("LineEnding: CRLF", LineEnding, FormatStyle::LE_CRLF);
1059   CHECK_PARSE("LineEnding: DeriveCRLF", LineEnding, FormatStyle::LE_DeriveCRLF);
1060   CHECK_PARSE("LineEnding: DeriveLF", LineEnding, DefaultLineEnding);
1061   // For backward compatibility:
1062   CHECK_PARSE("DeriveLineEnding: false", LineEnding, FormatStyle::LE_LF);
1063   Style.LineEnding = DefaultLineEnding;
1064   CHECK_PARSE("DeriveLineEnding: false\n"
1065               "UseCRLF: true",
1066               LineEnding, FormatStyle::LE_CRLF);
1067   Style.LineEnding = DefaultLineEnding;
1068   CHECK_PARSE("UseCRLF: true", LineEnding, FormatStyle::LE_DeriveCRLF);
1069 
1070   CHECK_PARSE("RemoveParentheses: MultipleParentheses", RemoveParentheses,
1071               FormatStyle::RPS_MultipleParentheses);
1072   CHECK_PARSE("RemoveParentheses: ReturnStatement", RemoveParentheses,
1073               FormatStyle::RPS_ReturnStatement);
1074   CHECK_PARSE("RemoveParentheses: Leave", RemoveParentheses,
1075               FormatStyle::RPS_Leave);
1076 
1077   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Always",
1078               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Always);
1079   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: OnlyWithParen",
1080               AllowBreakBeforeNoexceptSpecifier,
1081               FormatStyle::BBNSS_OnlyWithParen);
1082   CHECK_PARSE("AllowBreakBeforeNoexceptSpecifier: Never",
1083               AllowBreakBeforeNoexceptSpecifier, FormatStyle::BBNSS_Never);
1084 
1085   Style.SeparateDefinitionBlocks = FormatStyle::SDS_Never;
1086   CHECK_PARSE("SeparateDefinitionBlocks: Always", SeparateDefinitionBlocks,
1087               FormatStyle::SDS_Always);
1088   CHECK_PARSE("SeparateDefinitionBlocks: Leave", SeparateDefinitionBlocks,
1089               FormatStyle::SDS_Leave);
1090   CHECK_PARSE("SeparateDefinitionBlocks: Never", SeparateDefinitionBlocks,
1091               FormatStyle::SDS_Never);
1092 }
1093 
1094 TEST(ConfigParseTest, ParsesConfigurationWithLanguages) {
1095   FormatStyle Style = {};
1096   Style.Language = FormatStyle::LK_Cpp;
1097   CHECK_PARSE("Language: Cpp\n"
1098               "IndentWidth: 12",
1099               IndentWidth, 12u);
1100   EXPECT_EQ(parseConfiguration("Language: JavaScript\n"
1101                                "IndentWidth: 34",
1102                                &Style),
1103             ParseError::Unsuitable);
1104   FormatStyle BinPackedTCS = {};
1105   BinPackedTCS.Language = FormatStyle::LK_JavaScript;
1106   EXPECT_EQ(parseConfiguration("BinPackArguments: true\n"
1107                                "InsertTrailingCommas: Wrapped",
1108                                &BinPackedTCS),
1109             ParseError::BinPackTrailingCommaConflict);
1110   EXPECT_EQ(12u, Style.IndentWidth);
1111   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1112   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1113 
1114   Style.Language = FormatStyle::LK_JavaScript;
1115   CHECK_PARSE("Language: JavaScript\n"
1116               "IndentWidth: 12",
1117               IndentWidth, 12u);
1118   CHECK_PARSE("IndentWidth: 23", IndentWidth, 23u);
1119   EXPECT_EQ(parseConfiguration("Language: Cpp\n"
1120                                "IndentWidth: 34",
1121                                &Style),
1122             ParseError::Unsuitable);
1123   EXPECT_EQ(23u, Style.IndentWidth);
1124   CHECK_PARSE("IndentWidth: 56", IndentWidth, 56u);
1125   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1126 
1127   CHECK_PARSE("BasedOnStyle: LLVM\n"
1128               "IndentWidth: 67",
1129               IndentWidth, 67u);
1130 
1131   CHECK_PARSE("---\n"
1132               "Language: JavaScript\n"
1133               "IndentWidth: 12\n"
1134               "---\n"
1135               "Language: Cpp\n"
1136               "IndentWidth: 34\n"
1137               "...\n",
1138               IndentWidth, 12u);
1139 
1140   Style.Language = FormatStyle::LK_Cpp;
1141   CHECK_PARSE("---\n"
1142               "Language: JavaScript\n"
1143               "IndentWidth: 12\n"
1144               "---\n"
1145               "Language: Cpp\n"
1146               "IndentWidth: 34\n"
1147               "...\n",
1148               IndentWidth, 34u);
1149   CHECK_PARSE("---\n"
1150               "IndentWidth: 78\n"
1151               "---\n"
1152               "Language: JavaScript\n"
1153               "IndentWidth: 56\n"
1154               "...\n",
1155               IndentWidth, 78u);
1156 
1157   Style.ColumnLimit = 123;
1158   Style.IndentWidth = 234;
1159   Style.BreakBeforeBraces = FormatStyle::BS_Linux;
1160   Style.TabWidth = 345;
1161   EXPECT_FALSE(parseConfiguration("---\n"
1162                                   "IndentWidth: 456\n"
1163                                   "BreakBeforeBraces: Allman\n"
1164                                   "---\n"
1165                                   "Language: JavaScript\n"
1166                                   "IndentWidth: 111\n"
1167                                   "TabWidth: 111\n"
1168                                   "---\n"
1169                                   "Language: Cpp\n"
1170                                   "BreakBeforeBraces: Stroustrup\n"
1171                                   "TabWidth: 789\n"
1172                                   "...\n",
1173                                   &Style));
1174   EXPECT_EQ(123u, Style.ColumnLimit);
1175   EXPECT_EQ(456u, Style.IndentWidth);
1176   EXPECT_EQ(FormatStyle::BS_Stroustrup, Style.BreakBeforeBraces);
1177   EXPECT_EQ(789u, Style.TabWidth);
1178 
1179   EXPECT_EQ(parseConfiguration("---\n"
1180                                "Language: JavaScript\n"
1181                                "IndentWidth: 56\n"
1182                                "---\n"
1183                                "IndentWidth: 78\n"
1184                                "...\n",
1185                                &Style),
1186             ParseError::Error);
1187   EXPECT_EQ(parseConfiguration("---\n"
1188                                "Language: JavaScript\n"
1189                                "IndentWidth: 56\n"
1190                                "---\n"
1191                                "Language: JavaScript\n"
1192                                "IndentWidth: 78\n"
1193                                "...\n",
1194                                &Style),
1195             ParseError::Error);
1196 
1197   EXPECT_EQ(FormatStyle::LK_Cpp, Style.Language);
1198 
1199   Style.Language = FormatStyle::LK_Verilog;
1200   CHECK_PARSE("---\n"
1201               "Language: Verilog\n"
1202               "IndentWidth: 12\n"
1203               "---\n"
1204               "Language: Cpp\n"
1205               "IndentWidth: 34\n"
1206               "...\n",
1207               IndentWidth, 12u);
1208   CHECK_PARSE("---\n"
1209               "IndentWidth: 78\n"
1210               "---\n"
1211               "Language: Verilog\n"
1212               "IndentWidth: 56\n"
1213               "...\n",
1214               IndentWidth, 56u);
1215 }
1216 
1217 TEST(ConfigParseTest, UsesLanguageForBasedOnStyle) {
1218   FormatStyle Style = {};
1219   Style.Language = FormatStyle::LK_JavaScript;
1220   Style.BreakBeforeTernaryOperators = true;
1221   EXPECT_EQ(0, parseConfiguration("BasedOnStyle: Google", &Style).value());
1222   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1223 
1224   Style.BreakBeforeTernaryOperators = true;
1225   EXPECT_EQ(0, parseConfiguration("---\n"
1226                                   "BasedOnStyle: Google\n"
1227                                   "---\n"
1228                                   "Language: JavaScript\n"
1229                                   "IndentWidth: 76\n"
1230                                   "...\n",
1231                                   &Style)
1232                    .value());
1233   EXPECT_FALSE(Style.BreakBeforeTernaryOperators);
1234   EXPECT_EQ(76u, Style.IndentWidth);
1235   EXPECT_EQ(FormatStyle::LK_JavaScript, Style.Language);
1236 }
1237 
1238 TEST(ConfigParseTest, ConfigurationRoundTripTest) {
1239   FormatStyle Style = getLLVMStyle();
1240   std::string YAML = configurationAsText(Style);
1241   FormatStyle ParsedStyle = {};
1242   ParsedStyle.Language = FormatStyle::LK_Cpp;
1243   EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value());
1244   EXPECT_EQ(Style, ParsedStyle);
1245 }
1246 
1247 TEST(ConfigParseTest, GetStyleWithEmptyFileName) {
1248   llvm::vfs::InMemoryFileSystem FS;
1249   auto Style1 = getStyle("file", "", "Google", "", &FS);
1250   ASSERT_TRUE((bool)Style1);
1251   ASSERT_EQ(*Style1, getGoogleStyle());
1252 }
1253 
1254 TEST(ConfigParseTest, GetStyleOfFile) {
1255   llvm::vfs::InMemoryFileSystem FS;
1256   // Test 1: format file in the same directory.
1257   ASSERT_TRUE(
1258       FS.addFile("/a/.clang-format", 0,
1259                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1260   ASSERT_TRUE(
1261       FS.addFile("/a/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1262   auto Style1 = getStyle("file", "/a/.clang-format", "Google", "", &FS);
1263   ASSERT_TRUE((bool)Style1);
1264   ASSERT_EQ(*Style1, getLLVMStyle());
1265 
1266   // Test 2.1: fallback to default.
1267   ASSERT_TRUE(
1268       FS.addFile("/b/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1269   auto Style2 = getStyle("file", "/b/test.cpp", "Mozilla", "", &FS);
1270   ASSERT_TRUE((bool)Style2);
1271   ASSERT_EQ(*Style2, getMozillaStyle());
1272 
1273   // Test 2.2: no format on 'none' fallback style.
1274   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1275   ASSERT_TRUE((bool)Style2);
1276   ASSERT_EQ(*Style2, getNoStyle());
1277 
1278   // Test 2.3: format if config is found with no based style while fallback is
1279   // 'none'.
1280   ASSERT_TRUE(FS.addFile("/b/.clang-format", 0,
1281                          llvm::MemoryBuffer::getMemBuffer("IndentWidth: 2")));
1282   Style2 = getStyle("file", "/b/test.cpp", "none", "", &FS);
1283   ASSERT_TRUE((bool)Style2);
1284   ASSERT_EQ(*Style2, getLLVMStyle());
1285 
1286   // Test 2.4: format if yaml with no based style, while fallback is 'none'.
1287   Style2 = getStyle("{}", "a.h", "none", "", &FS);
1288   ASSERT_TRUE((bool)Style2);
1289   ASSERT_EQ(*Style2, getLLVMStyle());
1290 
1291   // Test 3: format file in parent directory.
1292   ASSERT_TRUE(
1293       FS.addFile("/c/.clang-format", 0,
1294                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1295   ASSERT_TRUE(FS.addFile("/c/sub/sub/sub/test.cpp", 0,
1296                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1297   auto Style3 = getStyle("file", "/c/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1298   ASSERT_TRUE((bool)Style3);
1299   ASSERT_EQ(*Style3, getGoogleStyle());
1300 
1301   // Test 4: error on invalid fallback style
1302   auto Style4 = getStyle("file", "a.h", "KungFu", "", &FS);
1303   ASSERT_FALSE((bool)Style4);
1304   llvm::consumeError(Style4.takeError());
1305 
1306   // Test 5: error on invalid yaml on command line
1307   auto Style5 = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1308                          /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1309   ASSERT_FALSE((bool)Style5);
1310   llvm::consumeError(Style5.takeError());
1311 
1312   // Test 6: error on invalid style
1313   auto Style6 = getStyle("KungFu", "a.h", "LLVM", "", &FS);
1314   ASSERT_FALSE((bool)Style6);
1315   llvm::consumeError(Style6.takeError());
1316 
1317   // Test 7: found config file, error on parsing it
1318   ASSERT_TRUE(
1319       FS.addFile("/d/.clang-format", 0,
1320                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM\n"
1321                                                   "InvalidKey: InvalidValue")));
1322   ASSERT_TRUE(
1323       FS.addFile("/d/test.cpp", 0, llvm::MemoryBuffer::getMemBuffer("int i;")));
1324   auto Style7a = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1325                           /*AllowUnknownOptions=*/false, dropDiagnosticHandler);
1326   ASSERT_FALSE((bool)Style7a);
1327   llvm::consumeError(Style7a.takeError());
1328 
1329   auto Style7b = getStyle("file", "/d/.clang-format", "LLVM", "", &FS,
1330                           /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1331   ASSERT_TRUE((bool)Style7b);
1332 
1333   // Test 8: inferred per-language defaults apply.
1334   auto StyleTd = getStyle("file", "x.td", "llvm", "", &FS);
1335   ASSERT_TRUE((bool)StyleTd);
1336   ASSERT_EQ(*StyleTd, getLLVMStyle(FormatStyle::LK_TableGen));
1337 
1338   // Test 9.1.1: overwriting a file style, when no parent file exists with no
1339   // fallback style.
1340   ASSERT_TRUE(FS.addFile(
1341       "/e/sub/.clang-format", 0,
1342       llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: InheritParentConfig\n"
1343                                        "ColumnLimit: 20")));
1344   ASSERT_TRUE(FS.addFile("/e/sub/code.cpp", 0,
1345                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1346   auto Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1347   ASSERT_TRUE(static_cast<bool>(Style9));
1348   ASSERT_EQ(*Style9, [] {
1349     auto Style = getNoStyle();
1350     Style.ColumnLimit = 20;
1351     return Style;
1352   }());
1353 
1354   // Test 9.1.2: propagate more than one level with no parent file.
1355   ASSERT_TRUE(FS.addFile("/e/sub/sub/code.cpp", 0,
1356                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1357   ASSERT_TRUE(FS.addFile("/e/sub/sub/.clang-format", 0,
1358                          llvm::MemoryBuffer::getMemBuffer(
1359                              "BasedOnStyle: InheritParentConfig\n"
1360                              "WhitespaceSensitiveMacros: ['FOO', 'BAR']")));
1361   std::vector<std::string> NonDefaultWhiteSpaceMacros =
1362       Style9->WhitespaceSensitiveMacros;
1363   NonDefaultWhiteSpaceMacros[0] = "FOO";
1364   NonDefaultWhiteSpaceMacros[1] = "BAR";
1365 
1366   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1367   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1368   ASSERT_TRUE(static_cast<bool>(Style9));
1369   ASSERT_EQ(*Style9, [&NonDefaultWhiteSpaceMacros] {
1370     auto Style = getNoStyle();
1371     Style.ColumnLimit = 20;
1372     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1373     return Style;
1374   }());
1375 
1376   // Test 9.2: with LLVM fallback style
1377   Style9 = getStyle("file", "/e/sub/code.cpp", "LLVM", "", &FS);
1378   ASSERT_TRUE(static_cast<bool>(Style9));
1379   ASSERT_EQ(*Style9, [] {
1380     auto Style = getLLVMStyle();
1381     Style.ColumnLimit = 20;
1382     return Style;
1383   }());
1384 
1385   // Test 9.3: with a parent file
1386   ASSERT_TRUE(
1387       FS.addFile("/e/.clang-format", 0,
1388                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google\n"
1389                                                   "UseTab: Always")));
1390   Style9 = getStyle("file", "/e/sub/code.cpp", "none", "", &FS);
1391   ASSERT_TRUE(static_cast<bool>(Style9));
1392   ASSERT_EQ(*Style9, [] {
1393     auto Style = getGoogleStyle();
1394     Style.ColumnLimit = 20;
1395     Style.UseTab = FormatStyle::UT_Always;
1396     return Style;
1397   }());
1398 
1399   // Test 9.4: propagate more than one level with a parent file.
1400   const auto SubSubStyle = [&NonDefaultWhiteSpaceMacros] {
1401     auto Style = getGoogleStyle();
1402     Style.ColumnLimit = 20;
1403     Style.UseTab = FormatStyle::UT_Always;
1404     Style.WhitespaceSensitiveMacros = NonDefaultWhiteSpaceMacros;
1405     return Style;
1406   }();
1407 
1408   ASSERT_NE(Style9->WhitespaceSensitiveMacros, NonDefaultWhiteSpaceMacros);
1409   Style9 = getStyle("file", "/e/sub/sub/code.cpp", "none", "", &FS);
1410   ASSERT_TRUE(static_cast<bool>(Style9));
1411   ASSERT_EQ(*Style9, SubSubStyle);
1412 
1413   // Test 9.5: use InheritParentConfig as style name
1414   Style9 =
1415       getStyle("inheritparentconfig", "/e/sub/sub/code.cpp", "none", "", &FS);
1416   ASSERT_TRUE(static_cast<bool>(Style9));
1417   ASSERT_EQ(*Style9, SubSubStyle);
1418 
1419   // Test 9.6: use command line style with inheritance
1420   Style9 = getStyle("{BasedOnStyle: InheritParentConfig}",
1421                     "/e/sub/sub/code.cpp", "none", "", &FS);
1422   ASSERT_TRUE(static_cast<bool>(Style9));
1423   ASSERT_EQ(*Style9, SubSubStyle);
1424 
1425   // Test 9.7: use command line style with inheritance and own config
1426   Style9 = getStyle("{BasedOnStyle: InheritParentConfig, "
1427                     "WhitespaceSensitiveMacros: ['FOO', 'BAR']}",
1428                     "/e/sub/code.cpp", "none", "", &FS);
1429   ASSERT_TRUE(static_cast<bool>(Style9));
1430   ASSERT_EQ(*Style9, SubSubStyle);
1431 
1432   // Test 9.8: use inheritance from a file without BasedOnStyle
1433   ASSERT_TRUE(FS.addFile("/e/withoutbase/.clang-format", 0,
1434                          llvm::MemoryBuffer::getMemBuffer("ColumnLimit: 123")));
1435   ASSERT_TRUE(
1436       FS.addFile("/e/withoutbase/sub/.clang-format", 0,
1437                  llvm::MemoryBuffer::getMemBuffer(
1438                      "BasedOnStyle: InheritParentConfig\nIndentWidth: 7")));
1439   // Make sure we do not use the fallback style
1440   Style9 = getStyle("file", "/e/withoutbase/code.cpp", "google", "", &FS);
1441   ASSERT_TRUE(static_cast<bool>(Style9));
1442   ASSERT_EQ(*Style9, [] {
1443     auto Style = getLLVMStyle();
1444     Style.ColumnLimit = 123;
1445     return Style;
1446   }());
1447 
1448   Style9 = getStyle("file", "/e/withoutbase/sub/code.cpp", "google", "", &FS);
1449   ASSERT_TRUE(static_cast<bool>(Style9));
1450   ASSERT_EQ(*Style9, [] {
1451     auto Style = getLLVMStyle();
1452     Style.ColumnLimit = 123;
1453     Style.IndentWidth = 7;
1454     return Style;
1455   }());
1456 
1457   // Test 9.9: use inheritance from a specific config file.
1458   Style9 = getStyle("file:/e/sub/sub/.clang-format", "/e/sub/sub/code.cpp",
1459                     "none", "", &FS);
1460   ASSERT_TRUE(static_cast<bool>(Style9));
1461   ASSERT_EQ(*Style9, SubSubStyle);
1462 }
1463 
1464 TEST(ConfigParseTest, GetStyleOfSpecificFile) {
1465   llvm::vfs::InMemoryFileSystem FS;
1466   // Specify absolute path to a format file in a parent directory.
1467   ASSERT_TRUE(
1468       FS.addFile("/e/.clang-format", 0,
1469                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: LLVM")));
1470   ASSERT_TRUE(
1471       FS.addFile("/e/explicit.clang-format", 0,
1472                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1473   ASSERT_TRUE(FS.addFile("/e/sub/sub/sub/test.cpp", 0,
1474                          llvm::MemoryBuffer::getMemBuffer("int i;")));
1475   auto Style = getStyle("file:/e/explicit.clang-format",
1476                         "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1477   ASSERT_TRUE(static_cast<bool>(Style));
1478   ASSERT_EQ(*Style, getGoogleStyle());
1479 
1480   // Specify relative path to a format file.
1481   ASSERT_TRUE(
1482       FS.addFile("../../e/explicit.clang-format", 0,
1483                  llvm::MemoryBuffer::getMemBuffer("BasedOnStyle: Google")));
1484   Style = getStyle("file:../../e/explicit.clang-format",
1485                    "/e/sub/sub/sub/test.cpp", "LLVM", "", &FS);
1486   ASSERT_TRUE(static_cast<bool>(Style));
1487   ASSERT_EQ(*Style, getGoogleStyle());
1488 
1489   // Specify path to a format file that does not exist.
1490   Style = getStyle("file:/e/missing.clang-format", "/e/sub/sub/sub/test.cpp",
1491                    "LLVM", "", &FS);
1492   ASSERT_FALSE(static_cast<bool>(Style));
1493   llvm::consumeError(Style.takeError());
1494 
1495   // Specify path to a file on the filesystem.
1496   SmallString<128> FormatFilePath;
1497   std::error_code ECF = llvm::sys::fs::createTemporaryFile(
1498       "FormatFileTest", "tpl", FormatFilePath);
1499   EXPECT_FALSE((bool)ECF);
1500   llvm::raw_fd_ostream FormatFileTest(FormatFilePath, ECF);
1501   EXPECT_FALSE((bool)ECF);
1502   FormatFileTest << "BasedOnStyle: Google\n";
1503   FormatFileTest.close();
1504 
1505   SmallString<128> TestFilePath;
1506   std::error_code ECT =
1507       llvm::sys::fs::createTemporaryFile("CodeFileTest", "cc", TestFilePath);
1508   EXPECT_FALSE((bool)ECT);
1509   llvm::raw_fd_ostream CodeFileTest(TestFilePath, ECT);
1510   CodeFileTest << "int i;\n";
1511   CodeFileTest.close();
1512 
1513   std::string format_file_arg = std::string("file:") + FormatFilePath.c_str();
1514   Style = getStyle(format_file_arg, TestFilePath, "LLVM", "", nullptr);
1515 
1516   llvm::sys::fs::remove(FormatFilePath.c_str());
1517   llvm::sys::fs::remove(TestFilePath.c_str());
1518   ASSERT_TRUE(static_cast<bool>(Style));
1519   ASSERT_EQ(*Style, getGoogleStyle());
1520 }
1521 
1522 TEST(ConfigParseTest, GetStyleOutput) {
1523   llvm::vfs::InMemoryFileSystem FS;
1524 
1525   // Don't suppress output.
1526   testing::internal::CaptureStderr();
1527   auto Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1528                         /*AllowUnknownOptions=*/true);
1529   auto Output = testing::internal::GetCapturedStderr();
1530   ASSERT_TRUE((bool)Style);
1531   ASSERT_FALSE(Output.empty());
1532 
1533   // Suppress stderr.
1534   testing::internal::CaptureStderr();
1535   Style = getStyle("{invalid_key=invalid_value}", "a.h", "LLVM", "", &FS,
1536                    /*AllowUnknownOptions=*/true, dropDiagnosticHandler);
1537   Output = testing::internal::GetCapturedStderr();
1538   ASSERT_TRUE((bool)Style);
1539   ASSERT_TRUE(Output.empty());
1540 }
1541 
1542 } // namespace
1543 } // namespace format
1544 } // namespace clang
1545