| //===- unittest/Format/FormatTest.cpp - Formatting unit tests -------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/Format/Format.h" |
| #include "../Tooling/RewriterTestContext.h" |
| #include "clang/Lex/Lexer.h" |
| #include "gtest/gtest.h" |
| |
| namespace clang { |
| namespace format { |
| |
| class FormatTest : public ::testing::Test { |
| protected: |
| std::string format(llvm::StringRef Code, unsigned Offset, unsigned Length, |
| const FormatStyle &Style) { |
| RewriterTestContext Context; |
| FileID ID = Context.createInMemoryFile("input.cc", Code); |
| SourceLocation Start = |
| Context.Sources.getLocForStartOfFile(ID).getLocWithOffset(Offset); |
| std::vector<CharSourceRange> Ranges( |
| 1, |
| CharSourceRange::getCharRange(Start, Start.getLocWithOffset(Length))); |
| LangOptions LangOpts; |
| LangOpts.CPlusPlus = 1; |
| Lexer Lex(ID, Context.Sources.getBuffer(ID), Context.Sources, LangOpts); |
| tooling::Replacements Replace = |
| reformat(Style, Lex, Context.Sources, Ranges); |
| EXPECT_TRUE(applyAllReplacements(Replace, Context.Rewrite)); |
| return Context.getRewrittenText(ID); |
| } |
| |
| std::string format(llvm::StringRef Code, |
| const FormatStyle &Style = getLLVMStyle()) { |
| return format(Code, 0, Code.size(), Style); |
| } |
| |
| std::string messUp(llvm::StringRef Code) { |
| std::string MessedUp(Code.str()); |
| bool InComment = false; |
| bool JustReplacedNewline = false; |
| for (unsigned i = 0, e = MessedUp.size() - 1; i != e; ++i) { |
| if (MessedUp[i] == '/' && MessedUp[i + 1] == '/') { |
| if (JustReplacedNewline) |
| MessedUp[i - 1] = '\n'; |
| InComment = true; |
| } else if (MessedUp[i] != ' ') { |
| JustReplacedNewline = false; |
| } else if (MessedUp[i] == '\n') { |
| if (InComment) { |
| InComment = false; |
| } else { |
| JustReplacedNewline = true; |
| MessedUp[i] = ' '; |
| } |
| } |
| } |
| return MessedUp; |
| } |
| |
| void verifyFormat(llvm::StringRef Code) { |
| EXPECT_EQ(Code.str(), format(messUp(Code))); |
| } |
| |
| void verifyGoogleFormat(llvm::StringRef Code) { |
| EXPECT_EQ(Code.str(), format(messUp(Code), getGoogleStyle())); |
| } |
| }; |
| |
| //===----------------------------------------------------------------------===// |
| // Basic function tests. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, DoesNotChangeCorrectlyFormatedCode) { |
| EXPECT_EQ(";", format(";")); |
| } |
| |
| TEST_F(FormatTest, FormatsGlobalStatementsAt0) { |
| EXPECT_EQ("int i;", format(" int i;")); |
| EXPECT_EQ("\nint i;", format(" \n\t \r int i;")); |
| EXPECT_EQ("int i;\nint j;", format(" int i; int j;")); |
| EXPECT_EQ("int i;\nint j;", format(" int i;\n int j;")); |
| } |
| |
| TEST_F(FormatTest, FormatsUnwrappedLinesAtFirstFormat) { |
| EXPECT_EQ("int i;", format("int\ni;")); |
| } |
| |
| TEST_F(FormatTest, FormatsNestedBlockStatements) { |
| EXPECT_EQ("{\n {\n {\n }\n }\n}", format("{{{}}}")); |
| } |
| |
| TEST_F(FormatTest, FormatsNestedCall) { |
| verifyFormat("Method(f1, f2(f3));"); |
| verifyFormat("Method(f1(f2, f3()));"); |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Tests for control statements. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, FormatIfWithoutCompountStatement) { |
| verifyFormat("if (true)\n f();\ng();"); |
| verifyFormat("if (a)\n if (b)\n if (c)\n g();\nh();"); |
| verifyFormat("if (a)\n if (b) {\n f();\n }\ng();"); |
| verifyFormat("if (a)\n" |
| " // comment\n" |
| " f();"); |
| } |
| |
| TEST_F(FormatTest, ParseIfElse) { |
| verifyFormat("if (true)\n" |
| " if (true)\n" |
| " if (true)\n" |
| " f();\n" |
| " else\n" |
| " g();\n" |
| " else\n" |
| " h();\n" |
| "else\n" |
| " i();"); |
| verifyFormat("if (true)\n" |
| " if (true)\n" |
| " if (true) {\n" |
| " if (true)\n" |
| " f();\n" |
| " } else {\n" |
| " g();\n" |
| " }\n" |
| " else\n" |
| " h();\n" |
| "else {\n" |
| " i();\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, ElseIf) { |
| verifyFormat("if (a) {\n" |
| "} else if (b) {\n" |
| "}"); |
| verifyFormat("if (a)\n" |
| " f();\n" |
| "else if (b)\n" |
| " g();\n" |
| "else\n" |
| " h();"); |
| } |
| |
| TEST_F(FormatTest, FormatsForLoop) { |
| verifyFormat( |
| "for (int VeryVeryLongLoopVariable = 0; VeryVeryLongLoopVariable < 10;\n" |
| " ++VeryVeryLongLoopVariable)\n" |
| " ;"); |
| verifyFormat("for (;;)\n" |
| " f();"); |
| verifyFormat("for (;;) {\n" |
| "}"); |
| verifyFormat("for (;;) {\n" |
| " f();\n" |
| "}"); |
| |
| verifyFormat( |
| "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n" |
| " E = UnwrappedLines.end();\n" |
| " I != E; ++I) {\n}"); |
| |
| verifyFormat( |
| "for (MachineFun::iterator IIII = PrevIt, EEEE = F.end(); IIII != EEEE;\n" |
| " ++IIIII) {\n}"); |
| } |
| |
| TEST_F(FormatTest, FormatsWhileLoop) { |
| verifyFormat("while (true) {\n}"); |
| verifyFormat("while (true)\n" |
| " f();"); |
| verifyFormat("while () {\n" |
| "}"); |
| verifyFormat("while () {\n" |
| " f();\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, FormatsDoWhile) { |
| verifyFormat("do {\n" |
| " do_something();\n" |
| "} while (something());"); |
| verifyFormat("do\n" |
| " do_something();\n" |
| "while (something());"); |
| } |
| |
| TEST_F(FormatTest, FormatsSwitchStatement) { |
| verifyFormat("switch (x) {\n" |
| "case 1:\n" |
| " f();\n" |
| " break;\n" |
| "case kFoo:\n" |
| "case ns::kBar:\n" |
| "case kBaz:\n" |
| " break;\n" |
| "default:\n" |
| " g();\n" |
| " break;\n" |
| "}"); |
| verifyFormat("switch (x) {\n" |
| "case 1: {\n" |
| " f();\n" |
| " break;\n" |
| "}\n" |
| "}"); |
| verifyFormat("switch (test)\n" |
| " ;"); |
| verifyGoogleFormat("switch (x) {\n" |
| " case 1:\n" |
| " f();\n" |
| " break;\n" |
| " case kFoo:\n" |
| " case ns::kBar:\n" |
| " case kBaz:\n" |
| " break;\n" |
| " default:\n" |
| " g();\n" |
| " break;\n" |
| "}"); |
| verifyGoogleFormat("switch (x) {\n" |
| " case 1: {\n" |
| " f();\n" |
| " break;\n" |
| " }\n" |
| "}"); |
| verifyGoogleFormat("switch (test)\n" |
| " ;"); |
| } |
| |
| TEST_F(FormatTest, FormatsLabels) { |
| verifyFormat("void f() {\n" |
| " some_code();\n" |
| "test_label:\n" |
| " some_other_code();\n" |
| " {\n" |
| " some_more_code();\n" |
| " another_label:\n" |
| " some_more_code();\n" |
| " }\n" |
| "}"); |
| verifyFormat("some_code();\n" |
| "test_label:\n" |
| "some_other_code();"); |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Tests for comments. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, UnderstandsSingleLineComments) { |
| verifyFormat("// line 1\n" |
| "// line 2\n" |
| "void f() {\n}\n"); |
| |
| verifyFormat("void f() {\n" |
| " // Doesn't do anything\n" |
| "}"); |
| |
| verifyFormat("int i // This is a fancy variable\n" |
| " = 5;"); |
| |
| verifyFormat("enum E {\n" |
| " // comment\n" |
| " VAL_A, // comment\n" |
| " VAL_B\n" |
| "};"); |
| |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // Trailing comment"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsMultiLineComments) { |
| verifyFormat("f(/*test=*/ true);"); |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Tests for classes, namespaces, etc. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, DoesNotBreakSemiAfterClassDecl) { |
| verifyFormat("class A {\n};"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsAccessSpecifiers) { |
| verifyFormat("class A {\n" |
| "public:\n" |
| "protected:\n" |
| "private:\n" |
| " void f() {\n" |
| " }\n" |
| "};"); |
| verifyGoogleFormat("class A {\n" |
| " public:\n" |
| " protected:\n" |
| " private:\n" |
| " void f() {\n" |
| " }\n" |
| "};"); |
| } |
| |
| TEST_F(FormatTest, FormatsDerivedClass) { |
| verifyFormat("class A : public B {\n" |
| "};"); |
| verifyFormat("class A : public ::B {\n" |
| "};"); |
| } |
| |
| TEST_F(FormatTest, FormatsEnum) { |
| verifyFormat("enum {\n" |
| " Zero,\n" |
| " One = 1,\n" |
| " Two = One + 1,\n" |
| " Three = (One + Two),\n" |
| " Four = (Zero && (One ^ Two)) | (One << Two),\n" |
| " Five = (One, Two, Three, Four, 5)\n" |
| "};"); |
| verifyFormat("enum Enum {\n" |
| "};"); |
| verifyFormat("enum {\n" |
| "};"); |
| } |
| |
| TEST_F(FormatTest, FormatsNamespaces) { |
| verifyFormat("namespace some_namespace {\n" |
| "class A {\n" |
| "};\n" |
| "void f() {\n" |
| " f();\n" |
| "}\n" |
| "}"); |
| verifyFormat("namespace {\n" |
| "class A {\n" |
| "};\n" |
| "void f() {\n" |
| " f();\n" |
| "}\n" |
| "}"); |
| verifyFormat("using namespace some_namespace;\n" |
| "class A {\n" |
| "};\n" |
| "void f() {\n" |
| " f();\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, StaticInitializers) { |
| verifyFormat("static SomeClass SC = { 1, 'a' };"); |
| |
| // FIXME: Format like enums if the static initializer does not fit on a line. |
| verifyFormat( |
| "static SomeClass WithALoooooooooooooooooooongName = { 100000000,\n" |
| " \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\" };"); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Line break tests. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, FormatsFunctionDefinition) { |
| verifyFormat("void f(int a, int b, int c, int d, int e, int f, int g," |
| " int h, int j, int f,\n" |
| " int c, int ddddddddddddd) {\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, FormatsAwesomeMethodCall) { |
| verifyFormat( |
| "SomeLongMethodName(SomeReallyLongMethod(\n" |
| " CallOtherReallyLongMethod(parameter, parameter, parameter)),\n" |
| " SecondLongCall(parameter));"); |
| } |
| |
| TEST_F(FormatTest, ConstructorInitializers) { |
| verifyFormat("Constructor() : Initializer(FitsOnTheLine) {\n}"); |
| |
| verifyFormat( |
| "SomeClass::Constructor()\n" |
| " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {\n" |
| "}"); |
| |
| verifyFormat( |
| "SomeClass::Constructor()\n" |
| " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {\n" |
| "}"); |
| |
| verifyFormat("Constructor()\n" |
| " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaaaaaaaaaaaa() {\n" |
| "}"); |
| |
| // Here a line could be saved by splitting the second initializer onto two |
| // lines, but that is not desireable. |
| verifyFormat("Constructor()\n" |
| " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaa(aaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaaaaaaaaaat(aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| "}"); |
| |
| verifyGoogleFormat("MyClass::MyClass(int var)\n" |
| " : some_var_(var), // 4 space indent\n" |
| " some_other_var_(var + 1) { // lined up\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, BreaksAsHighAsPossible) { |
| verifyFormat( |
| "if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaa) ||\n" |
| " (bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb && bbbbbbbbbbbbbbbbbbbbbbbbbb))\n" |
| " f();"); |
| } |
| |
| TEST_F(FormatTest, BreaksDesireably) { |
| verifyFormat("if (aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n" |
| " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n" |
| " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa)) {\n};"); |
| |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}"); |
| |
| verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));"); |
| |
| verifyFormat( |
| "aaaaaaaa(aaaaaaaaaaaaa, aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n" |
| " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));"); |
| |
| verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| |
| // This test case breaks on an incorrect memoization, i.e. an optimization not |
| // taking into account the StopAt value. |
| verifyFormat( |
| "return aaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| " aaaaaaaaaaa(aaaaaaaaa) || aaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| |
| verifyFormat( |
| "{\n {\n {\n" |
| " Annotation.SpaceRequiredBefore =\n" |
| " Line.Tokens[i - 1].Tok.isNot(tok::l_paren) &&\n" |
| " Line.Tokens[i - 1].Tok.isNot(tok::l_square);\n" |
| " }\n }\n}"); |
| } |
| |
| TEST_F(FormatTest, BreaksAccordingToOperatorPrecedence) { |
| verifyFormat( |
| "if (aaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| " bbbbbbbbbbbbbbbbbbbbbbbbb && ccccccccccccccccccccccccc) {\n}"); |
| verifyFormat( |
| "if (aaaaaaaaaaaaaaaaaaaaaaaaa && bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" |
| " ccccccccccccccccccccccccc) {\n}"); |
| verifyFormat( |
| "if (aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" |
| " ccccccccccccccccccccccccc) {\n}"); |
| verifyFormat( |
| "if ((aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb) &&\n" |
| " ccccccccccccccccccccccccc) {\n}"); |
| } |
| |
| TEST_F(FormatTest, AlignsAfterAssignments) { |
| verifyFormat( |
| "int Result = aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "Result += aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "Result >>= aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "int Result = (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| verifyFormat( |
| "double LooooooooooooooooooooooooongResult =\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| } |
| |
| TEST_F(FormatTest, AlignsAfterReturn) { |
| verifyFormat( |
| "return aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "return (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| } |
| |
| TEST_F(FormatTest, AlignsStringLiterals) { |
| verifyFormat("loooooooooooooooooooooooooongFunction(\"short literal \"\n" |
| " \"short literal\");"); |
| verifyFormat( |
| "looooooooooooooooooooooooongFunction(\n" |
| " \"short literal\"\n" |
| " \"looooooooooooooooooooooooooooooooooooooooooooooooong literal\");"); |
| } |
| |
| TEST_F(FormatTest, AlignsPipes) { |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa\n" |
| " << aaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n" |
| " \"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\"\n" |
| " << \"ccccccccccccccccccccccccccccccccccccccccccccccccc\";"); |
| verifyFormat( |
| "aaaaaaaa << (aaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n" |
| " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsEquals) { |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaa =\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| "}"); |
| verifyFormat( |
| "if (a) {\n" |
| "} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| "}"); |
| |
| verifyFormat("if (int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| " 100000000 + 100000000) {\n}"); |
| } |
| |
| TEST_F(FormatTest, WrapsAtFunctionCallsIfNecessary) { |
| verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n" |
| " .looooooooooooooooooooooooooooooooooooooongFunction();"); |
| |
| verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n" |
| " ->looooooooooooooooooooooooooooooooooooooongFunction();"); |
| |
| verifyFormat( |
| "LooooooooooooooooooooooooooooooooongObject->shortFunction(Parameter1,\n" |
| " Parameter2);"); |
| |
| verifyFormat( |
| "ShortObject->shortFunction(\n" |
| " LooooooooooooooooooooooooooooooooooooooooooooooongParameter1,\n" |
| " LooooooooooooooooooooooooooooooooooooooooooooooongParameter2);"); |
| |
| verifyFormat("loooooooooooooongFunction(\n" |
| " LoooooooooooooongObject->looooooooooooooooongFunction());"); |
| |
| verifyFormat( |
| "function(LoooooooooooooooooooooooooooooooooooongObject\n" |
| " ->loooooooooooooooooooooooooooooooooooooooongFunction());"); |
| |
| verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaa) ||\n" |
| " aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsTemplateParameters) { |
| verifyFormat("A<int> a;"); |
| verifyFormat("A<A<A<int> > > a;"); |
| verifyFormat("A<A<A<int, 2>, 3>, 4> a;"); |
| verifyFormat("bool x = a < 1 || 2 > a;"); |
| verifyFormat("bool x = 5 < f<int>();"); |
| verifyFormat("bool x = f<int>() > 5;"); |
| verifyFormat("bool x = 5 < a<int>::x;"); |
| verifyFormat("bool x = a < 4 ? a > 2 : false;"); |
| verifyFormat("bool x = f() ? a < 2 : a > 2;"); |
| |
| verifyGoogleFormat("A<A<int>> a;"); |
| verifyGoogleFormat("A<A<A<int>>> a;"); |
| verifyGoogleFormat("A<A<A<A<int>>>> a;"); |
| |
| verifyFormat("test >> a >> b;"); |
| verifyFormat("test << a >> b;"); |
| |
| verifyFormat("f<int>();"); |
| verifyFormat("template <typename T> void f() {\n}"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsUnaryOperators) { |
| verifyFormat("int a = -2;"); |
| verifyFormat("f(-1, -2, -3);"); |
| verifyFormat("a[-1] = 5;"); |
| verifyFormat("int a = 5 + -2;"); |
| verifyFormat("if (i == -1) {\n}"); |
| verifyFormat("if (i != -1) {\n}"); |
| verifyFormat("if (i > -1) {\n}"); |
| verifyFormat("if (i < -1) {\n}"); |
| verifyFormat("++(a->f());"); |
| verifyFormat("--(a->f());"); |
| verifyFormat("if (!(a->f())) {\n}"); |
| |
| verifyFormat("a-- > b;"); |
| verifyFormat("b ? -a : c;"); |
| verifyFormat("n * sizeof char16;"); |
| verifyFormat("sizeof(char);"); |
| } |
| |
| TEST_F(FormatTest, UndestandsOverloadedOperators) { |
| verifyFormat("bool operator<();"); |
| verifyFormat("bool operator>();"); |
| verifyFormat("bool operator=();"); |
| verifyFormat("bool operator==();"); |
| verifyFormat("bool operator!=();"); |
| verifyFormat("int operator+();"); |
| verifyFormat("int operator++();"); |
| verifyFormat("bool operator();"); |
| verifyFormat("bool operator()();"); |
| verifyFormat("bool operator[]();"); |
| verifyFormat("operator bool();"); |
| verifyFormat("operator SomeType<int>();"); |
| verifyFormat("void *operator new(std::size_t size);"); |
| verifyFormat("void *operator new[](std::size_t size);"); |
| verifyFormat("void operator delete(void *ptr);"); |
| verifyFormat("void operator delete[](void *ptr);"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsUsesOfStar) { |
| verifyFormat("int *f(int *a) {\n}"); |
| verifyFormat("f(a, *a);"); |
| verifyFormat("f(*a);"); |
| verifyFormat("int a = b * 10;"); |
| verifyFormat("int a = 10 * b;"); |
| verifyFormat("int a = b * c;"); |
| verifyFormat("int a += b * c;"); |
| verifyFormat("int a -= b * c;"); |
| verifyFormat("int a *= b * c;"); |
| verifyFormat("int a /= b * c;"); |
| verifyFormat("int a = *b;"); |
| verifyFormat("int a = *b * c;"); |
| verifyFormat("int a = b * *c;"); |
| verifyFormat("int main(int argc, char **argv) {\n}"); |
| verifyFormat("return 10 * b;"); |
| verifyFormat("return *b * *c;"); |
| verifyFormat("return a & ~b;"); |
| |
| // FIXME: Is this desired for LLVM? Fix if not. |
| verifyFormat("A<int *> a;"); |
| verifyFormat("A<int **> a;"); |
| verifyFormat("A<int *, int *> a;"); |
| verifyFormat("A<int **, int **> a;"); |
| |
| verifyGoogleFormat("int main(int argc, char** argv) {\n}"); |
| verifyGoogleFormat("A<int*> a;"); |
| verifyGoogleFormat("A<int**> a;"); |
| verifyGoogleFormat("A<int*, int*> a;"); |
| verifyGoogleFormat("A<int**, int**> a;"); |
| } |
| |
| TEST_F(FormatTest, LineStartsWithSpecialCharacter) { |
| verifyFormat("(a)->b();"); |
| verifyFormat("--a;"); |
| } |
| |
| TEST_F(FormatTest, HandlesIncludeDirectives) { |
| EXPECT_EQ("#include <string>\n", format("#include <string>\n")); |
| EXPECT_EQ("#include <a/b/c.h>\n", format("#include <a/b/c.h>\n")); |
| EXPECT_EQ("#include \"a/b/string\"\n", format("#include \"a/b/string\"\n")); |
| EXPECT_EQ("#include \"string.h\"\n", format("#include \"string.h\"\n")); |
| EXPECT_EQ("#include \"string.h\"\n", format("#include \"string.h\"\n")); |
| |
| EXPECT_EQ("#import <string>\n", format("#import <string>\n")); |
| EXPECT_EQ("#import <a/b/c.h>\n", format("#import <a/b/c.h>\n")); |
| EXPECT_EQ("#import \"a/b/string\"\n", format("#import \"a/b/string\"\n")); |
| EXPECT_EQ("#import \"string.h\"\n", format("#import \"string.h\"\n")); |
| EXPECT_EQ("#import \"string.h\"\n", format("#import \"string.h\"\n")); |
| } |
| |
| |
| //===----------------------------------------------------------------------===// |
| // Error recovery tests. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, IncorrectAccessSpecifier) { |
| verifyFormat("public:"); |
| verifyFormat("class A {\n" |
| "public\n" |
| " void f() {\n" |
| " }\n" |
| "};"); |
| verifyFormat("public\n" |
| "int qwerty;"); |
| verifyFormat("public\n" |
| "B {\n" |
| "};"); |
| verifyFormat("public\n" |
| "{\n" |
| "};"); |
| verifyFormat("public\n" |
| "B {\n" |
| " int x;\n" |
| "};"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeUnbalancedBraces) { |
| verifyFormat("{"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeDoNoWhile) { |
| verifyFormat("do {\n" |
| "};"); |
| verifyFormat("do {\n" |
| "};\n" |
| "f();"); |
| verifyFormat("do {\n" |
| "}\n" |
| "wheeee(fun);"); |
| verifyFormat("do {\n" |
| " f();\n" |
| "};"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeErrorDetection) { |
| EXPECT_EQ("{\n{\n}\n", format("{\n{\n}\n")); |
| EXPECT_EQ("{\n {\n}\n", format("{\n {\n}\n")); |
| EXPECT_EQ("{\n {\n }\n", format("{\n {\n }\n")); |
| EXPECT_EQ("{\n {\n }\n }\n}\n", format("{\n {\n }\n }\n}\n")); |
| |
| FormatStyle Style = getLLVMStyle(); |
| Style.ColumnLimit = 10; |
| EXPECT_EQ("{\n" |
| " {\n" |
| " breakme(\n" |
| " qwe);\n" |
| "}\n", format("{\n" |
| " {\n" |
| " breakme(qwe);\n" |
| "}\n", Style)); |
| |
| } |
| |
| TEST_F(FormatTest, FormatForObjectiveCMethodDecls) { |
| verifyFormat("- (void)sendAction:(SEL)aSelector to:(BOOL)anObject;"); |
| EXPECT_EQ("- (NSUInteger)indexOfObject:(id)anObject;", |
| format("-(NSUInteger)indexOfObject:(id)anObject;")); |
| EXPECT_EQ("- (NSInteger)Mthod1;", |
| format("-(NSInteger)Mthod1;")); |
| EXPECT_EQ("+ (id)Mthod2;", format("+(id)Mthod2;")); |
| EXPECT_EQ("- (NSInteger)Method3:(id)anObject;", |
| format("-(NSInteger)Method3:(id)anObject;")); |
| EXPECT_EQ("- (NSInteger)Method4:(id)anObject;", |
| format("-(NSInteger)Method4:(id)anObject;")); |
| EXPECT_EQ("- (NSInteger)Method5:(id)anObject:(id)AnotherObject;", |
| format("-(NSInteger)Method5:(id)anObject:(id)AnotherObject;")); |
| EXPECT_EQ("- (id)Method6:(id)A:(id)B:(id)C:(id)D;", |
| format("- (id)Method6:(id)A:(id)B:(id)C:(id)D;")); |
| EXPECT_EQ("- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;", |
| format("- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;")); |
| |
| // Very long objectiveC method declaration. |
| EXPECT_EQ("- (NSUInteger)indexOfObject:(id)anObject inRange:(NSRange)range\n " |
| "outRange:(NSRange)out_range outRange1:(NSRange)out_range1\n " |
| "outRange2:(NSRange)out_range2 outRange3:(NSRange)out_range3\n " |
| "outRange4:(NSRange)out_range4 outRange5:(NSRange)out_range5\n " |
| "outRange6:(NSRange)out_range6 outRange7:(NSRange)out_range7\n " |
| "outRange8:(NSRange)out_range8 outRange9:(NSRange)out_range9;", |
| |
| format("- (NSUInteger)indexOfObject:(id)anObject inRange:(NSRange)range " |
| "outRange:(NSRange) out_range outRange1:(NSRange) out_range1 " |
| "outRange2:(NSRange) out_range2 outRange3:(NSRange) out_range3 " |
| "outRange4:(NSRange) out_range4 outRange5:(NSRange) out_range5 " |
| "outRange6:(NSRange) out_range6 outRange7:(NSRange) out_range7 " |
| "outRange8:(NSRange) out_range8 outRange9:(NSRange) out_range9;")); |
| } |
| |
| } // end namespace tooling |
| } // end namespace clang |
