| //===- 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #define DEBUG_TYPE "format-test" |
| |
| #include "clang/Format/Format.h" |
| #include "../Tooling/RewriterTestContext.h" |
| #include "clang/Lex/Lexer.h" |
| #include "llvm/Support/Debug.h" |
| #include "gtest/gtest.h" |
| |
| // Uncomment to get debug output from tests: |
| // #define DEBUG_WITH_TYPE(T, X) do { X; } while(0) |
| |
| namespace clang { |
| namespace format { |
| |
| class FormatTest : public ::testing::Test { |
| protected: |
| std::string format(llvm::StringRef Code, unsigned Offset, unsigned Length, |
| const FormatStyle &Style) { |
| DEBUG(llvm::errs() << "---\n"); |
| 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))); |
| Lexer Lex(ID, Context.Sources.getBuffer(ID), Context.Sources, |
| getFormattingLangOpts()); |
| tooling::Replacements Replace = reformat(Style, Lex, Context.Sources, |
| Ranges, |
| new IgnoringDiagConsumer()); |
| EXPECT_TRUE(applyAllReplacements(Replace, Context.Rewrite)); |
| DEBUG(llvm::errs() << "\n" << Context.getRewrittenText(ID) << "\n\n"); |
| 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 InPreprocessorDirective = 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 || i == 0)) { |
| if (i != 0) MessedUp[i - 1] = '\n'; |
| InPreprocessorDirective = true; |
| } else if (MessedUp[i] == '\\' && MessedUp[i + 1] == '\n') { |
| MessedUp[i] = ' '; |
| MessedUp[i + 1] = ' '; |
| } else if (MessedUp[i] == '\n') { |
| if (InComment) { |
| InComment = false; |
| } else if (InPreprocessorDirective) { |
| InPreprocessorDirective = false; |
| } else { |
| JustReplacedNewline = true; |
| MessedUp[i] = ' '; |
| } |
| } else if (MessedUp[i] != ' ') { |
| JustReplacedNewline = false; |
| } |
| } |
| return MessedUp; |
| } |
| |
| FormatStyle getLLVMStyleWithColumns(unsigned ColumnLimit) { |
| FormatStyle Style = getLLVMStyle(); |
| Style.ColumnLimit = ColumnLimit; |
| return Style; |
| } |
| |
| FormatStyle getGoogleStyleWithColumns(unsigned ColumnLimit) { |
| FormatStyle Style = getGoogleStyle(); |
| Style.ColumnLimit = ColumnLimit; |
| return Style; |
| } |
| |
| void verifyFormat(llvm::StringRef Code, |
| const FormatStyle &Style = getLLVMStyle()) { |
| EXPECT_EQ(Code.str(), format(messUp(Code), Style)); |
| } |
| |
| void verifyGoogleFormat(llvm::StringRef Code) { |
| verifyFormat(Code, getGoogleStyle()); |
| } |
| }; |
| |
| TEST_F(FormatTest, MessUp) { |
| EXPECT_EQ("1 2 3", messUp("1 2 3")); |
| EXPECT_EQ("1 2 3\n", messUp("1\n2\n3\n")); |
| EXPECT_EQ("a\n//b\nc", messUp("a\n//b\nc")); |
| EXPECT_EQ("a\n#b\nc", messUp("a\n#b\nc")); |
| EXPECT_EQ("a\n#b c d\ne", messUp("a\n#b\\\nc\\\nd\ne")); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // 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}", format("{{{}}}")); |
| } |
| |
| TEST_F(FormatTest, FormatsNestedCall) { |
| verifyFormat("Method(f1, f2(f3));"); |
| verifyFormat("Method(f1(f2, f3()));"); |
| verifyFormat("Method(f1(f2, (f3())));"); |
| } |
| |
| TEST_F(FormatTest, ImportantSpaces) { |
| verifyFormat("vector< ::Type> v;"); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // 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();"); |
| |
| FormatStyle AllowsMergedIf = getGoogleStyle(); |
| AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true; |
| verifyFormat("if (a)\n" |
| " // comment\n" |
| " f();", AllowsMergedIf); |
| |
| verifyFormat("if (a) // Can't merge this\n" |
| " f();\n", AllowsMergedIf); |
| verifyFormat("if (a) /* still don't merge */\n" |
| " f();", AllowsMergedIf); |
| verifyFormat("if (a) { // Never merge this\n" |
| " f();\n" |
| "}", AllowsMergedIf); |
| verifyFormat("if (a) { /* Never merge this */\n" |
| " f();\n" |
| "}", AllowsMergedIf); |
| |
| AllowsMergedIf.ColumnLimit = 14; |
| verifyFormat("if (a) return;", AllowsMergedIf); |
| verifyFormat("if (aaaaaaaaa)\n" |
| " return;", AllowsMergedIf); |
| |
| AllowsMergedIf.ColumnLimit = 13; |
| verifyFormat("if (a)\n return;", AllowsMergedIf); |
| } |
| |
| 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) {} else if (b) {}"); |
| 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 (;;) {}"); |
| verifyFormat("for (;;) {\n" |
| " f();\n" |
| "}"); |
| |
| verifyFormat( |
| "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n" |
| " E = UnwrappedLines.end();\n" |
| " I != E; ++I) {}"); |
| |
| verifyFormat( |
| "for (MachineFun::iterator IIII = PrevIt, EEEE = F.end(); IIII != EEEE;\n" |
| " ++IIIII) {}"); |
| } |
| |
| TEST_F(FormatTest, FormatsWhileLoop) { |
| verifyFormat("while (true) {}"); |
| verifyFormat("while (true)\n" |
| " f();"); |
| verifyFormat("while () {}"); |
| 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 (x) {\n" |
| "case 1: {\n" |
| " f();\n" |
| " {\n" |
| " g();\n" |
| " h();\n" |
| " }\n" |
| " break;\n" |
| "}\n" |
| "}"); |
| verifyFormat("switch (x) {\n" |
| "case 1: {\n" |
| " f();\n" |
| " if (foo) {\n" |
| " g();\n" |
| " h();\n" |
| " }\n" |
| " break;\n" |
| "}\n" |
| "}"); |
| verifyFormat("switch (x) {\n" |
| "case 1: {\n" |
| " f();\n" |
| " g();\n" |
| "} break;\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"); |
| |
| verifyFormat("void f() {\n" |
| " // Doesn't do anything\n" |
| "}"); |
| verifyFormat("void f(int i, // some comment (probably for i)\n" |
| " int j, // some comment (probably for j)\n" |
| " int k); // some comment (probably for k)"); |
| verifyFormat("void f(int i,\n" |
| " // some comment (probably for j)\n" |
| " int j,\n" |
| " // some comment (probably for k)\n" |
| " int k);"); |
| |
| verifyFormat("int i // This is a fancy variable\n" |
| " = 5; // with nicely aligned comment."); |
| |
| verifyFormat("// Leading comment.\n" |
| "int a; // Trailing comment."); |
| verifyFormat("int a; // Trailing comment\n" |
| " // on 2\n" |
| " // or 3 lines.\n" |
| "int b;"); |
| verifyFormat("int a; // Trailing comment\n" |
| "\n" |
| "// Leading comment.\n" |
| "int b;"); |
| verifyFormat("int a; // Comment.\n" |
| " // More details.\n" |
| "int bbbb; // Another comment."); |
| verifyFormat( |
| "int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; // comment\n" |
| "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // comment\n" |
| "int cccccccccccccccccccccccccccccc; // comment\n" |
| "int ddd; // looooooooooooooooooooooooong comment\n" |
| "int aaaaaaaaaaaaaaaaaaaaaaa; // comment\n" |
| "int bbbbbbbbbbbbbbbbbbbbb; // comment\n" |
| "int ccccccccccccccccccc; // comment"); |
| |
| verifyFormat("#include \"a\" // comment\n" |
| "#include \"a/b/c\" // comment"); |
| verifyFormat("#include <a> // comment\n" |
| "#include <a/b/c> // comment"); |
| |
| verifyFormat("enum E {\n" |
| " // comment\n" |
| " VAL_A, // comment\n" |
| " VAL_B\n" |
| "};"); |
| |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // Trailing comment"); |
| verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| " // Comment inside a statement.\n" |
| " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;"); |
| |
| EXPECT_EQ("int i; // single line trailing comment", |
| format("int i;\\\n// single line trailing comment")); |
| |
| verifyGoogleFormat("int a; // Trailing comment."); |
| } |
| |
| TEST_F(FormatTest, UnderstandsMultiLineComments) { |
| verifyFormat("f(/*test=*/ true);"); |
| EXPECT_EQ( |
| "f(aaaaaaaaaaaaaaaaaaaaaaaaa, /* Trailing comment for aa... */\n" |
| " bbbbbbbbbbbbbbbbbbbbbbbbb);", |
| format("f(aaaaaaaaaaaaaaaaaaaaaaaaa , /* Trailing comment for aa... */\n" |
| " bbbbbbbbbbbbbbbbbbbbbbbbb);")); |
| EXPECT_EQ( |
| "f(aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " /* Leading comment for bb... */ bbbbbbbbbbbbbbbbbbbbbbbbb);", |
| format("f(aaaaaaaaaaaaaaaaaaaaaaaaa , \n" |
| "/* Leading comment for bb... */ bbbbbbbbbbbbbbbbbbbbbbbbb);")); |
| } |
| |
| TEST_F(FormatTest, CommentsInStaticInitializers) { |
| EXPECT_EQ( |
| "static SomeType type = { aaaaaaaaaaaaaaaaaaaa, /* comment */\n" |
| " aaaaaaaaaaaaaaaaaaaa /* comment */,\n" |
| " /* comment */ aaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaa, // comment\n" |
| " aaaaaaaaaaaaaaaaaaaa };", |
| format("static SomeType type = { aaaaaaaaaaaaaaaaaaaa , /* comment */\n" |
| " aaaaaaaaaaaaaaaaaaaa /* comment */ ,\n" |
| " /* comment */ aaaaaaaaaaaaaaaaaaaa ,\n" |
| " aaaaaaaaaaaaaaaaaaaa , // comment\n" |
| " aaaaaaaaaaaaaaaaaaaa };")); |
| verifyFormat("static SomeType type = { aaaaaaaaaaa, // comment for aa...\n" |
| " bbbbbbbbbbb, ccccccccccc };"); |
| verifyFormat("static SomeType type = { aaaaaaaaaaa,\n" |
| " // comment for bb....\n" |
| " bbbbbbbbbbb, ccccccccccc };"); |
| verifyGoogleFormat( |
| "static SomeType type = { aaaaaaaaaaa, // comment for aa...\n" |
| " bbbbbbbbbbb,\n" |
| " ccccccccccc };"); |
| verifyGoogleFormat("static SomeType type = { aaaaaaaaaaa,\n" |
| " // comment for bb....\n" |
| " bbbbbbbbbbb,\n" |
| " ccccccccccc };"); |
| |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Tests for classes, namespaces, etc. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, DoesNotBreakSemiAfterClassDecl) { |
| verifyFormat("class A {};"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsAccessSpecifiers) { |
| verifyFormat("class A {\n" |
| "public:\n" |
| "protected:\n" |
| "private:\n" |
| " void f() {}\n" |
| "};"); |
| verifyGoogleFormat("class A {\n" |
| " public:\n" |
| " protected:\n" |
| " private:\n" |
| " void f() {}\n" |
| "};"); |
| } |
| |
| TEST_F(FormatTest, FormatsDerivedClass) { |
| verifyFormat("class A : public B {};"); |
| verifyFormat("class A : public ::B {};"); |
| } |
| |
| TEST_F(FormatTest, FormatsVariableDeclarationsAfterStructOrClass) { |
| verifyFormat("class A {} a, b;"); |
| verifyFormat("struct A {} a, b;"); |
| verifyFormat("union A {} a;"); |
| } |
| |
| 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, FormatsBitfields) { |
| verifyFormat("struct Bitfields {\n" |
| " unsigned sClass : 8;\n" |
| " unsigned ValueKind : 2;\n" |
| "};"); |
| } |
| |
| TEST_F(FormatTest, FormatsNamespaces) { |
| verifyFormat("namespace some_namespace {\n" |
| "class A {};\n" |
| "void f() { f(); }\n" |
| "}"); |
| verifyFormat("namespace {\n" |
| "class A {};\n" |
| "void f() { f(); }\n" |
| "}"); |
| verifyFormat("inline namespace X {\n" |
| "class A {};\n" |
| "void f() { f(); }\n" |
| "}"); |
| verifyFormat("using namespace some_namespace;\n" |
| "class A {};\n" |
| "void f() { f(); }"); |
| } |
| |
| TEST_F(FormatTest, FormatTryCatch) { |
| // FIXME: Handle try-catch explicitly in the UnwrappedLineParser, then we'll |
| // also not create single-line-blocks. |
| verifyFormat("try {\n" |
| " throw a * b;\n" |
| "}\n" |
| "catch (int a) {\n" |
| " // Do nothing.\n" |
| "}\n" |
| "catch (...) {\n" |
| " exit(42);\n" |
| "}"); |
| |
| // Function-level try statements. |
| verifyFormat("int f() try { return 4; }\n" |
| "catch (...) {\n" |
| " return 5;\n" |
| "}"); |
| verifyFormat("class A {\n" |
| " int a;\n" |
| " A() try : a(0) {}\n" |
| " catch (...) {\n" |
| " throw;\n" |
| " }\n" |
| "};\n"); |
| } |
| |
| TEST_F(FormatTest, FormatObjCTryCatch) { |
| verifyFormat("@try {\n" |
| " f();\n" |
| "}\n" |
| "@catch (NSException e) {\n" |
| " @throw;\n" |
| "}\n" |
| "@finally {\n" |
| " exit(42);\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 = {\n" |
| " 100000000, \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n" |
| "};"); |
| |
| verifyFormat( |
| "static SomeClass = { a, b, c, d, e, f, g, h, i, j,\n" |
| " looooooooooooooooooooooooooooooooooongname,\n" |
| " looooooooooooooooooooooooooooooong };"); |
| } |
| |
| TEST_F(FormatTest, NestedStaticInitializers) { |
| verifyFormat("static A x = { { {} } };\n"); |
| verifyFormat( |
| "static A x = { { { init1, init2, init3, init4 },\n" |
| " { init1, init2, init3, init4 } } };"); |
| |
| // FIXME: Fix this in general and verify that it works in LLVM style again. |
| verifyGoogleFormat( |
| "somes Status::global_reps[3] = {\n" |
| " { kGlobalRef, OK_CODE, NULL, NULL, NULL },\n" |
| " { kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL },\n" |
| " { kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL }\n" |
| "};"); |
| verifyFormat( |
| "CGRect cg_rect = { { rect.fLeft, rect.fTop },\n" |
| " { rect.fRight - rect.fLeft, rect.fBottom - rect.fTop" |
| " } };"); |
| |
| // FIXME: We might at some point want to handle this similar to parameter |
| // lists, where we have an option to put each on a single line. |
| verifyFormat("struct {\n" |
| " unsigned bit;\n" |
| " const char *const name;\n" |
| "} kBitsToOs[] = { { kOsMac, \"Mac\" }, { kOsWin, \"Windows\" },\n" |
| " { kOsLinux, \"Linux\" }, { kOsCrOS, \"Chrome OS\" } };"); |
| } |
| |
| TEST_F(FormatTest, FormatsSmallMacroDefinitionsInSingleLine) { |
| verifyFormat("#define ALooooooooooooooooooooooooooooooooooooooongMacro(" |
| " \\\n" |
| " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)"); |
| } |
| |
| TEST_F(FormatTest, DoesNotBreakPureVirtualFunctionDefinition) { |
| verifyFormat("virtual void write(ELFWriter *writerrr,\n" |
| " OwningPtr<FileOutputBuffer> &buffer) = 0;"); |
| } |
| |
| TEST_F(FormatTest, BreaksOnHashWhenDirectiveIsInvalid) { |
| EXPECT_EQ("#\n;", format("#;")); |
| verifyFormat("#\n;\n;\n;"); |
| } |
| |
| TEST_F(FormatTest, UnescapedEndOfLineEndsPPDirective) { |
| EXPECT_EQ("#line 42 \"test\"\n", |
| format("# \\\n line \\\n 42 \\\n \"test\"\n")); |
| EXPECT_EQ("#define A B\n", |
| format("# \\\n define \\\n A \\\n B\n", |
| getLLVMStyleWithColumns(12))); |
| } |
| |
| TEST_F(FormatTest, EndOfFileEndsPPDirective) { |
| EXPECT_EQ("#line 42 \"test\"", |
| format("# \\\n line \\\n 42 \\\n \"test\"")); |
| EXPECT_EQ("#define A B", |
| format("# \\\n define \\\n A \\\n B")); |
| } |
| |
| TEST_F(FormatTest, IndentsPPDirectiveInReducedSpace) { |
| // If the macro fits in one line, we still do not get the full |
| // line, as only the next line decides whether we need an escaped newline and |
| // thus use the last column. |
| verifyFormat("#define A(B)", getLLVMStyleWithColumns(13)); |
| |
| verifyFormat("#define A( \\\n B)", getLLVMStyleWithColumns(12)); |
| verifyFormat("#define AA(\\\n B)", getLLVMStyleWithColumns(12)); |
| verifyFormat("#define A( \\\n A, B)", getLLVMStyleWithColumns(12)); |
| |
| verifyFormat("#define A A\n#define A A"); |
| verifyFormat("#define A(X) A\n#define A A"); |
| |
| verifyFormat("#define Something Other", getLLVMStyleWithColumns(24)); |
| verifyFormat("#define Something \\\n" |
| " Other", getLLVMStyleWithColumns(23)); |
| } |
| |
| TEST_F(FormatTest, HandlePreprocessorDirectiveContext) { |
| EXPECT_EQ("// some comment\n" |
| "#include \"a.h\"\n" |
| "#define A(A,\\\n" |
| " B)\n" |
| "#include \"b.h\"\n" |
| "// some comment\n", |
| format(" // some comment\n" |
| " #include \"a.h\"\n" |
| "#define A(A,\\\n" |
| " B)\n" |
| " #include \"b.h\"\n" |
| " // some comment\n", getLLVMStyleWithColumns(13))); |
| } |
| |
| TEST_F(FormatTest, LayoutSingleHash) { |
| EXPECT_EQ("#\na;", format("#\na;")); |
| } |
| |
| TEST_F(FormatTest, LayoutCodeInMacroDefinitions) { |
| EXPECT_EQ("#define A \\\n" |
| " c; \\\n" |
| " e;\n" |
| "f;", format("#define A c; e;\n" |
| "f;", getLLVMStyleWithColumns(14))); |
| } |
| |
| TEST_F(FormatTest, LayoutRemainingTokens) { |
| EXPECT_EQ("{}", format("{}")); |
| } |
| |
| TEST_F(FormatTest, LayoutSingleUnwrappedLineInMacro) { |
| EXPECT_EQ("# define A\\\n b;", |
| format("# define A b;", 11, 2, getLLVMStyleWithColumns(11))); |
| } |
| |
| TEST_F(FormatTest, MacroDefinitionInsideStatement) { |
| EXPECT_EQ("int x,\n" |
| "#define A\n" |
| " y;", format("int x,\n#define A\ny;")); |
| } |
| |
| TEST_F(FormatTest, HashInMacroDefinition) { |
| verifyFormat("#define A \\\n b #c;", getLLVMStyleWithColumns(11)); |
| verifyFormat("#define A \\\n" |
| " { \\\n" |
| " f(#c);\\\n" |
| " }", getLLVMStyleWithColumns(11)); |
| |
| verifyFormat("#define A(X) \\\n" |
| " void function##X()", getLLVMStyleWithColumns(22)); |
| |
| verifyFormat("#define A(a, b, c) \\\n" |
| " void a##b##c()", getLLVMStyleWithColumns(22)); |
| |
| verifyFormat("#define A void # ## #", getLLVMStyleWithColumns(22)); |
| } |
| |
| TEST_F(FormatTest, IndentPreprocessorDirectivesAtZero) { |
| EXPECT_EQ("{\n {\n#define A\n }\n}", format("{{\n#define A\n}}")); |
| } |
| |
| TEST_F(FormatTest, FormatHashIfNotAtStartOfLine) { |
| verifyFormat("{\n { a #c; }\n}"); |
| } |
| |
| TEST_F(FormatTest, FormatUnbalancedStructuralElements) { |
| EXPECT_EQ("#define A \\\n { \\\n {\nint i;", |
| format("#define A { {\nint i;", getLLVMStyleWithColumns(11))); |
| EXPECT_EQ("#define A \\\n } \\\n }\nint i;", |
| format("#define A } }\nint i;", getLLVMStyleWithColumns(11))); |
| } |
| |
| TEST_F(FormatTest, EscapedNewlineAtStartOfTokenInMacroDefinition) { |
| EXPECT_EQ( |
| "#define A \\\n int i; \\\n int j;", |
| format("#define A \\\nint i;\\\n int j;", getLLVMStyleWithColumns(11))); |
| } |
| |
| TEST_F(FormatTest, CalculateSpaceOnConsecutiveLinesInMacro) { |
| verifyFormat("#define A \\\n" |
| " int v( \\\n" |
| " a); \\\n" |
| " int i;", getLLVMStyleWithColumns(11)); |
| } |
| |
| TEST_F(FormatTest, MixingPreprocessorDirectivesAndNormalCode) { |
| EXPECT_EQ( |
| "#define ALooooooooooooooooooooooooooooooooooooooongMacro(" |
| " \\\n" |
| " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n" |
| "\n" |
| "AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n" |
| " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n", |
| format(" #define ALooooooooooooooooooooooooooooooooooooooongMacro(" |
| "\\\n" |
| "aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n" |
| " \n" |
| " AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n" |
| " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n")); |
| } |
| |
| TEST_F(FormatTest, LayoutStatementsAroundPreprocessorDirectives) { |
| EXPECT_EQ("int\n" |
| "#define A\n" |
| " a;", |
| format("int\n#define A\na;")); |
| verifyFormat( |
| "functionCallTo(someOtherFunction(\n" |
| " withSomeParameters, whichInSequence,\n" |
| " areLongerThanALine(andAnotherCall,\n" |
| "#define A B\n" |
| " withMoreParamters,\n" |
| " whichStronglyInfluenceTheLayout),\n" |
| " andMoreParameters), trailing);", getLLVMStyleWithColumns(69)); |
| } |
| |
| TEST_F(FormatTest, LayoutBlockInsideParens) { |
| EXPECT_EQ("functionCall({\n" |
| " int i;\n" |
| "});", format(" functionCall ( {int i;} );")); |
| } |
| |
| TEST_F(FormatTest, LayoutBlockInsideStatement) { |
| EXPECT_EQ("SOME_MACRO { int i; }\n" |
| "int i;", format(" SOME_MACRO {int i;} int i;")); |
| } |
| |
| TEST_F(FormatTest, LayoutNestedBlocks) { |
| verifyFormat("void AddOsStrings(unsigned bitmask) {\n" |
| " struct s {\n" |
| " int i;\n" |
| " };\n" |
| " s kBitsToOs[] = { { 10 } };\n" |
| " for (int i = 0; i < 10; ++i)\n" |
| " return;\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, PutEmptyBlocksIntoOneLine) { |
| EXPECT_EQ("{}", format("{}")); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // 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) {}"); |
| } |
| |
| TEST_F(FormatTest, FormatsAwesomeMethodCall) { |
| verifyFormat( |
| "SomeLongMethodName(SomeReallyLongMethod(\n" |
| " CallOtherReallyLongMethod(parameter, parameter, parameter)),\n" |
| " SecondLongCall(parameter));"); |
| } |
| |
| TEST_F(FormatTest, ConstructorInitializers) { |
| verifyFormat("Constructor() : Initializer(FitsOnTheLine) {}"); |
| verifyFormat("Constructor() : Inttializer(FitsOnTheLine) {}", |
| getLLVMStyleWithColumns(45)); |
| verifyFormat("Constructor()\n" |
| " : Inttializer(FitsOnTheLine) {}", |
| getLLVMStyleWithColumns(44)); |
| |
| verifyFormat( |
| "SomeClass::Constructor()\n" |
| " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}"); |
| |
| verifyFormat( |
| "SomeClass::Constructor()\n" |
| " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}"); |
| verifyGoogleFormat( |
| "SomeClass::Constructor()\n" |
| " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}"); |
| verifyGoogleFormat( |
| "SomeClass::Constructor()\n" |
| " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), // Some comment\n" |
| " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}"); |
| |
| verifyFormat( |
| "SomeClass::Constructor()\n" |
| " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}"); |
| |
| verifyFormat("Constructor()\n" |
| " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n" |
| " aaaaaaaaaaaaaaaaaaaaaaa() {}"); |
| |
| // 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) {}"); |
| |
| verifyGoogleFormat("MyClass::MyClass(int var)\n" |
| " : some_var_(var), // 4 space indent\n" |
| " some_other_var_(var + 1) { // lined up\n" |
| "}"); |
| |
| // This test takes VERY long when memoization is broken. |
| std::string input = "Constructor()\n" |
| " : aaaa(a,\n"; |
| for (unsigned i = 0, e = 80; i != e; ++i) { |
| input += " a,\n"; |
| } |
| input += " a) {}"; |
| verifyGoogleFormat(input); |
| } |
| |
| 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)) {}"); |
| |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}"); |
| |
| verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));"); |
| |
| verifyFormat( |
| "aaaaaaaa(aaaaaaaaaaaaa, aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n" |
| " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));"); |
| |
| verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| |
| // 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, FormatsOneParameterPerLineIfNecessary) { |
| verifyGoogleFormat( |
| "aaaaaaaa(aaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n" |
| " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));"); |
| verifyGoogleFormat( |
| "aaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaa)\n" |
| " .aaaaaaaaaaaaaaaaaa();"); |
| verifyGoogleFormat( |
| "somefunction(someotherFunction(ddddddddddddddddddddddddddddddddddd,\n" |
| " ddddddddddddddddddddddddddddd),\n" |
| " test);"); |
| |
| verifyGoogleFormat( |
| "std::vector<aaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaa> aaaaaaaaaaaaaaaaaa;"); |
| verifyGoogleFormat("a(\"a\"\n" |
| " \"a\",\n" |
| " a);"); |
| } |
| |
| TEST_F(FormatTest, FormatsBuilderPattern) { |
| verifyFormat( |
| "return llvm::StringSwitch<Reference::Kind>(name)\n" |
| " .StartsWith(\".eh_frame_hdr\", ORDER_EH_FRAMEHDR)\n" |
| " .StartsWith(\".eh_frame\", ORDER_EH_FRAME).StartsWith(\".init\", ORDER_INIT)\n" |
| " .StartsWith(\".fini\", ORDER_FINI).StartsWith(\".hash\", ORDER_HASH)\n" |
| " .Default(ORDER_TEXT);\n"); |
| } |
| |
| TEST_F(FormatTest, DoesNotBreakTrailingAnnotation) { |
| verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n" |
| " GUARDED_BY(aaaaaaaaaaaaa);"); |
| verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n" |
| " GUARDED_BY(aaaaaaaaaaaaa);"); |
| verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n" |
| " GUARDED_BY(aaaaaaaaaaaaa) {}"); |
| } |
| |
| TEST_F(FormatTest, BreaksAccordingToOperatorPrecedence) { |
| verifyFormat( |
| "if (aaaaaaaaaaaaaaaaaaaaaaaaa ||\n" |
| " bbbbbbbbbbbbbbbbbbbbbbbbb && ccccccccccccccccccccccccc) {}"); |
| verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa && bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" |
| " ccccccccccccccccccccccccc) {}"); |
| verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb ||\n" |
| " ccccccccccccccccccccccccc) {}"); |
| verifyFormat( |
| "if ((aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb) &&\n" |
| " ccccccccccccccccccccccccc) {}"); |
| } |
| |
| TEST_F(FormatTest, PrefersNotToBreakAfterAssignments) { |
| verifyFormat( |
| "unsigned Cost = TTI.getMemoryOpCost(I->getOpcode(), VectorTy,\n" |
| " SI->getAlignment(),\n" |
| " SI->getPointerAddressSpaceee());\n"); |
| verifyFormat( |
| "CharSourceRange LineRange = CharSourceRange::getTokenRange(\n" |
| " Line.Tokens.front().Tok.getLocation(),\n" |
| " Line.Tokens.back().Tok.getLocation());"); |
| } |
| |
| 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 = aaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaa;"); |
| } |
| |
| TEST_F(FormatTest, AlignsAfterReturn) { |
| verifyFormat( |
| "return aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa;"); |
| verifyFormat( |
| "return (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| } |
| |
| TEST_F(FormatTest, BreaksConditionalExpressions) { |
| verifyFormat( |
| "aaaa(aaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| verifyFormat("aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaa ?\n" |
| " aaaaaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaaaaaaaaaaa);"); |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa ? aaaa(aaaaaa) :\n" |
| " aaaaaaaaaaaaa);"); |
| } |
| |
| TEST_F(FormatTest, ConditionalExpressionsInBrackets) { |
| verifyFormat("arr[foo ? bar : baz];"); |
| verifyFormat("f()[foo ? bar : baz];"); |
| verifyFormat("(a + b)[foo ? bar : baz];"); |
| verifyFormat("arr[foo ? (4 > 5 ? 4 : 5) : 5 < 5 ? 5 : 7];"); |
| } |
| |
| 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) {}"); |
| verifyFormat( |
| "if (a) {\n" |
| " f();\n" |
| "} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}"); |
| |
| verifyFormat( |
| // FIXME: Does an expression like this ever make sense? If yes, fix. |
| "if (int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa = 100000000 +\n" |
| " 10000000) {}"); |
| } |
| |
| 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());"); |
| |
| // Here, it is not necessary to wrap at "." or "->". |
| verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaa) ||\n" |
| " aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}"); |
| verifyFormat( |
| "aaaaaaaaaaa->aaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaa->aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa));\n"); |
| } |
| |
| TEST_F(FormatTest, WrapsTemplateDeclarations) { |
| verifyFormat("template <typename T>\n" |
| "virtual void loooooooooooongFunction(int Param1, int Param2);"); |
| verifyFormat( |
| "template <typename T>\n" |
| "void f(int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram1,\n" |
| " int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram2);"); |
| verifyFormat( |
| "template <typename T>\n" |
| "void looooooooooooooooooooongFunction(int Paaaaaaaaaaaaaaaaaaaaram1,\n" |
| " int Paaaaaaaaaaaaaaaaaaaaram2);"); |
| verifyFormat( |
| "template <typename T>\n" |
| "aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaaaaa,\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| verifyFormat("template <typename T>\n" |
| "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " int aaaaaaaaaaaaaaaaa);"); |
| verifyFormat( |
| "template <typename T1, typename T2 = char, typename T3 = char,\n" |
| " typename T4 = char>\n" |
| "void f();"); |
| } |
| |
| 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() {}"); |
| } |
| |
| 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) {}"); |
| verifyFormat("if (i != -1) {}"); |
| verifyFormat("if (i > -1) {}"); |
| verifyFormat("if (i < -1) {}"); |
| verifyFormat("++(a->f());"); |
| verifyFormat("--(a->f());"); |
| verifyFormat("(a->f())++;"); |
| verifyFormat("a[42]++;"); |
| verifyFormat("if (!(a->f())) {}"); |
| |
| verifyFormat("a-- > b;"); |
| verifyFormat("b ? -a : c;"); |
| verifyFormat("n * sizeof char16;"); |
| verifyFormat("n * alignof char16;"); |
| verifyFormat("sizeof(char);"); |
| verifyFormat("alignof(char);"); |
| |
| verifyFormat("return -1;"); |
| verifyFormat("switch (a) {\n" |
| "case -1:\n" |
| " break;\n" |
| "}"); |
| |
| verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { -5, +3 };"); |
| verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { +5, -3 };"); |
| |
| verifyFormat("int a = /* confusing comment */ -1;"); |
| // FIXME: The space after 'i' is wrong, but hopefully, this is a rare case. |
| verifyFormat("int a = i /* confusing comment */++;"); |
| } |
| |
| 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, UnderstandsNewAndDelete) { |
| verifyFormat("A *a = new A;"); |
| verifyFormat("A *a = new (placement) A;"); |
| verifyFormat("delete a;"); |
| verifyFormat("delete (A *)a;"); |
| } |
| |
| TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) { |
| verifyFormat("int *f(int *a) {}"); |
| 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) {}"); |
| verifyFormat("return 10 * b;"); |
| verifyFormat("return *b * *c;"); |
| verifyFormat("return a & ~b;"); |
| verifyFormat("f(b ? *c : *d);"); |
| verifyFormat("int a = b ? *c : *d;"); |
| verifyFormat("*b = a;"); |
| verifyFormat("a * ~b;"); |
| verifyFormat("a * !b;"); |
| verifyFormat("a * +b;"); |
| verifyFormat("a * -b;"); |
| verifyFormat("a * ++b;"); |
| verifyFormat("a * --b;"); |
| verifyFormat("a[4] * b;"); |
| verifyFormat("f() * b;"); |
| verifyFormat("a * [self dostuff];"); |
| verifyFormat("a * (a + b);"); |
| verifyFormat("(a *)(a + b);"); |
| verifyFormat("int *pa = (int *)&a;"); |
| |
| verifyFormat("InvalidRegions[*R] = 0;"); |
| |
| verifyFormat("A<int *> a;"); |
| verifyFormat("A<int **> a;"); |
| verifyFormat("A<int *, int *> a;"); |
| verifyFormat("A<int **, int **> a;"); |
| |
| verifyFormat( |
| "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n" |
| " aaaaaaaaaaaaaaaaaaaaaaaaaaaa, *aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);"); |
| |
| verifyGoogleFormat("int main(int argc, char** argv) {}"); |
| verifyGoogleFormat("A<int*> a;"); |
| verifyGoogleFormat("A<int**> a;"); |
| verifyGoogleFormat("A<int*, int*> a;"); |
| verifyGoogleFormat("A<int**, int**> a;"); |
| verifyGoogleFormat("f(b ? *c : *d);"); |
| verifyGoogleFormat("int a = b ? *c : *d;"); |
| verifyGoogleFormat("Type* t = **x;"); |
| verifyGoogleFormat("Type* t = *++*x;"); |
| verifyGoogleFormat("*++*x;"); |
| verifyGoogleFormat("Type* t = const_cast<T*>(&*x);"); |
| verifyGoogleFormat("Type* t = x++ * y;"); |
| |
| verifyFormat("a = *(x + y);"); |
| verifyFormat("a = &(x + y);"); |
| verifyFormat("*(x + y).call();"); |
| verifyFormat("&(x + y)->call();"); |
| verifyFormat("&(*I).first"); |
| |
| verifyFormat("f(b * /* confusing comment */ ++c);"); |
| verifyFormat( |
| "int *MyValues = {\n" |
| " *A, // Operator detection might be confused by the '{'\n" |
| " *BB // Operator detection might be confused by previous comment\n" |
| "};"); |
| |
| verifyFormat("if (int *a = &b)"); |
| verifyFormat("if (int &a = *b)"); |
| verifyFormat("if (a & b[i])"); |
| verifyFormat("if (a::b::c::d & b[i])"); |
| verifyFormat("if (*b[i])"); |
| verifyFormat("if (int *a = (&b))"); |
| verifyFormat("while (int *a = &b)"); |
| } |
| |
| TEST_F(FormatTest, FormatsCasts) { |
| verifyFormat("Type *A = static_cast<Type *>(P);"); |
| verifyFormat("Type *A = (Type *)P;"); |
| verifyFormat("Type *A = (vector<Type *, int *>)P;"); |
| verifyFormat("int a = (int)(2.0f);"); |
| |
| // FIXME: These also need to be identified. |
| verifyFormat("int a = (int) 2.0f;"); |
| verifyFormat("int a = (int) * b;"); |
| |
| // These are not casts. |
| verifyFormat("void f(int *) {}"); |
| verifyFormat("void f(int *);"); |
| verifyFormat("void f(int *) = 0;"); |
| verifyFormat("void f(SmallVector<int>) {}"); |
| verifyFormat("void f(SmallVector<int>);"); |
| verifyFormat("void f(SmallVector<int>) = 0;"); |
| } |
| |
| TEST_F(FormatTest, FormatsFunctionTypes) { |
| // FIXME: Determine the cases that need a space after the return type and fix. |
| verifyFormat("A<bool()> a;"); |
| verifyFormat("A<SomeType()> a;"); |
| verifyFormat("A<void(*)(int, std::string)> a;"); |
| |
| verifyFormat("int(*func)(void *);"); |
| } |
| |
| TEST_F(FormatTest, DoesNotBreakBeforePointerOrReference) { |
| verifyFormat("int *someFunction(int LoooooooooooooooongParam1,\n" |
| " int LoooooooooooooooongParam2) {}"); |
| verifyFormat( |
| "TypeSpecDecl *TypeSpecDecl::Create(ASTContext &C, DeclContext *DC,\n" |
| " SourceLocation L, IdentifierIn *II,\n" |
| " Type *T) {}"); |
| } |
| |
| TEST_F(FormatTest, LineStartsWithSpecialCharacter) { |
| verifyFormat("(a)->b();"); |
| verifyFormat("--a;"); |
| } |
| |
| TEST_F(FormatTest, HandlesIncludeDirectives) { |
| verifyFormat("#include <string>\n" |
| "#include <a/b/c.h>\n" |
| "#include \"a/b/string\"\n" |
| "#include \"string.h\"\n" |
| "#include \"string.h\"\n" |
| "#include <a-a>\n" |
| "#include < path with space >\n"); |
| |
| verifyFormat("#import <string>"); |
| verifyFormat("#import <a/b/c.h>"); |
| verifyFormat("#import \"a/b/string\""); |
| verifyFormat("#import \"string.h\""); |
| verifyFormat("#import \"string.h\""); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Error recovery tests. |
| //===----------------------------------------------------------------------===// |
| |
| TEST_F(FormatTest, IncorrectCodeTrailingStuff) { |
| verifyFormat("void f() { return; }\n42"); |
| verifyFormat("void f() {\n" |
| " if (0)\n" |
| " return;\n" |
| "}\n" |
| "42"); |
| verifyFormat("void f() { return }\n42"); |
| verifyFormat("void f() {\n" |
| " if (0)\n" |
| " return\n" |
| "}\n" |
| "42"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeMissingSemicolon) { |
| EXPECT_EQ("void f() { return }", format("void f ( ) { return }")); |
| EXPECT_EQ("void f() {\n" |
| " if (a)\n" |
| " return\n" |
| "}", format("void f ( ) { if ( a ) return }")); |
| EXPECT_EQ("namespace N { void f() }", format("namespace N { void f() }")); |
| EXPECT_EQ("namespace N {\n" |
| "void f() {}\n" |
| "void g()\n" |
| "}", format("namespace N { void f( ) { } void g( ) }")); |
| } |
| |
| TEST_F(FormatTest, IndentationWithinColumnLimitNotPossible) { |
| verifyFormat("int aaaaaaaa =\n" |
| " // Overly long comment\n" |
| " b;", getLLVMStyleWithColumns(20)); |
| verifyFormat("function(\n" |
| " ShortArgument,\n" |
| " LoooooooooooongArgument);\n", getLLVMStyleWithColumns(20)); |
| } |
| |
| TEST_F(FormatTest, IncorrectAccessSpecifier) { |
| verifyFormat("public:"); |
| verifyFormat("class A {\n" |
| "public\n" |
| " void f() {}\n" |
| "};"); |
| verifyFormat("public\n" |
| "int qwerty;"); |
| verifyFormat("public\n" |
| "B {}"); |
| verifyFormat("public\n" |
| "{}"); |
| verifyFormat("public\n" |
| "B { int x; }"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeUnbalancedBraces) { |
| verifyFormat("{"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeDoNoWhile) { |
| verifyFormat("do {}"); |
| verifyFormat("do {}\n" |
| "f();"); |
| verifyFormat("do {}\n" |
| "wheeee(fun);"); |
| verifyFormat("do {\n" |
| " f();\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeMissingParens) { |
| verifyFormat("if {\n foo;\n foo();\n}"); |
| verifyFormat("switch {\n foo;\n foo();\n}"); |
| verifyFormat("for {\n foo;\n foo();\n}"); |
| verifyFormat("while {\n foo;\n foo();\n}"); |
| verifyFormat("do {\n foo;\n foo();\n} while;"); |
| } |
| |
| TEST_F(FormatTest, DoesNotTouchUnwrappedLinesWithErrors) { |
| verifyFormat("namespace {\n" |
| "class Foo { Foo ( }; } // comment"); |
| } |
| |
| TEST_F(FormatTest, IncorrectCodeErrorDetection) { |
| EXPECT_EQ("{\n{}\n", format("{\n{\n}\n")); |
| EXPECT_EQ("{\n {}\n", format("{\n {\n}\n")); |
| EXPECT_EQ("{\n {}\n", format("{\n {\n }\n")); |
| EXPECT_EQ("{\n {}\n }\n}\n", format("{\n {\n }\n }\n}\n")); |
| |
| EXPECT_EQ("{\n" |
| " {\n" |
| " breakme(\n" |
| " qwe);\n" |
| "}\n", format("{\n" |
| " {\n" |
| " breakme(qwe);\n" |
| "}\n", getLLVMStyleWithColumns(10))); |
| } |
| |
| TEST_F(FormatTest, LayoutCallsInsideBraceInitializers) { |
| verifyFormat( |
| "int x = {\n" |
| " avariable,\n" |
| " b(alongervariable)\n" |
| "};", getLLVMStyleWithColumns(25)); |
| } |
| |
| TEST_F(FormatTest, LayoutBraceInitializersInReturnStatement) { |
| verifyFormat("return (a)(b) { 1, 2, 3 };"); |
| } |
| |
| TEST_F(FormatTest, LayoutTokensFollowingBlockInParentheses) { |
| verifyFormat( |
| "Aaa({\n" |
| " int i;\n" |
| "}, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,\n" |
| " ccccccccccccccccc));"); |
| } |
| |
| TEST_F(FormatTest, PullTrivialFunctionDefinitionsIntoSingleLine) { |
| verifyFormat("void f() { return 42; }"); |
| verifyFormat("void f() {\n" |
| " // Comment\n" |
| "}"); |
| verifyFormat("{\n" |
| "#error {\n" |
| " int a;\n" |
| "}"); |
| verifyFormat("{\n" |
| " int a;\n" |
| "#error {\n" |
| "}"); |
| } |
| |
| TEST_F(FormatTest, UnderstandContextOfRecordTypeKeywords) { |
| // Elaborate type variable declarations. |
| verifyFormat("struct foo a = { bar };\nint n;"); |
| verifyFormat("class foo a = { bar };\nint n;"); |
| verifyFormat("union foo a = { bar };\nint n;"); |
| |
| // Elaborate types inside function definitions. |
| verifyFormat("struct foo f() {}\nint n;"); |
| verifyFormat("class foo f() {}\nint n;"); |
| verifyFormat("union foo f() {}\nint n;"); |
| |
| // Templates. |
| verifyFormat("template <class X> void f() {}\nint n;"); |
| verifyFormat("template <struct X> void f() {}\nint n;"); |
| verifyFormat("template <union X> void f() {}\nint n;"); |
| |
| // Actual definitions... |
| verifyFormat("struct {} n;"); |
| verifyFormat( |
| "template <template <class T, class Y>, class Z > class X {} n;"); |
| verifyFormat("union Z {\n int n;\n} x;"); |
| verifyFormat("class MACRO Z {} n;"); |
| verifyFormat("class MACRO(X) Z {} n;"); |
| verifyFormat("class __attribute__(X) Z {} n;"); |
| verifyFormat("class __declspec(X) Z {} n;"); |
| |
| // Redefinition from nested context: |
| verifyFormat("class A::B::C {} n;"); |
| |
| // Elaborate types where incorrectly parsing the structural element would |
| // break the indent. |
| verifyFormat("if (true)\n" |
| " class X x;\n" |
| "else\n" |
| " f();\n"); |
| } |
| |
| TEST_F(FormatTest, DoNotInterfereWithErrorAndWarning) { |
| verifyFormat("#error Leave all white!!!!! space* alone!\n"); |
| verifyFormat("#warning Leave all white!!!!! space* alone!\n"); |
| EXPECT_EQ("#error 1", format(" # error 1")); |
| EXPECT_EQ("#warning 1", format(" # warning 1")); |
| } |
| |
| TEST_F(FormatTest, MergeHandlingInTheFaceOfPreprocessorDirectives) { |
| FormatStyle AllowsMergedIf = getGoogleStyle(); |
| AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true; |
| verifyFormat("void f() { f(); }\n#error E", AllowsMergedIf); |
| verifyFormat("if (true) return 42;\n#error E", AllowsMergedIf); |
| verifyFormat("if (true)\n#error E\n return 42;", AllowsMergedIf); |
| EXPECT_EQ("if (true) return 42;", |
| format("if (true)\nreturn 42;", AllowsMergedIf)); |
| FormatStyle ShortMergedIf = AllowsMergedIf; |
| ShortMergedIf.ColumnLimit = 25; |
| verifyFormat("#define A \\\n" |
| " if (true) return 42;", ShortMergedIf); |
| verifyFormat("#define A \\\n" |
| " f(); \\\n" |
| " if (true)\n" |
| "#define B", ShortMergedIf); |
| verifyFormat("#define A \\\n" |
| " f(); \\\n" |
| " if (true)\n" |
| "g();", ShortMergedIf); |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Objective-C tests. |
| //===----------------------------------------------------------------------===// |
| |
| 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;")); |
| |
| verifyFormat("- (int)sum:(vector<int>)numbers;"); |
| verifyGoogleFormat("- (void)setDelegate:(id<Protocol>)delegate;"); |
| // FIXME: In LLVM style, there should be a space in front of a '<' for ObjC |
| // protocol lists (but not for template classes): |
| //verifyFormat("- (void)setDelegate:(id <Protocol>)delegate;"); |
| |
| verifyFormat("- (int(*)())foo:(int(*)())f;"); |
| verifyGoogleFormat("- (int(*)())foo:(int(*)())foo;"); |
| |
| // If there's no return type (very rare in practice!), LLVM and Google style |
| // agree. |
| verifyFormat("- foo:(int)f;"); |
| verifyGoogleFormat("- foo:(int)foo;"); |
| } |
| |
| TEST_F(FormatTest, FormatObjCBlocks) { |
| verifyFormat("int (^Block)(int, int);"); |
| verifyFormat("int (^Block1)(int, int) = ^(int i, int j)"); |
| } |
| |
| TEST_F(FormatTest, FormatObjCInterface) { |
| // FIXME: Handle comments like in "@interface /* wait for it */ Foo", PR14875 |
| verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n" |
| "@public\n" |
| " int field1;\n" |
| "@protected\n" |
| " int field2;\n" |
| "@private\n" |
| " int field3;\n" |
| "@package\n" |
| " int field4;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyGoogleFormat("@interface Foo : NSObject<NSSomeDelegate> {\n" |
| " @public\n" |
| " int field1;\n" |
| " @protected\n" |
| " int field2;\n" |
| " @private\n" |
| " int field3;\n" |
| " @package\n" |
| " int field4;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo\n" |
| "+ (id)init;\n" |
| "// Look, a comment!\n" |
| "- (int)answerWith:(int)i;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo\n" |
| "@end\n" |
| "@interface Bar\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo : Bar\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo : Bar <Baz, Quux>\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyGoogleFormat("@interface Foo : Bar<Baz, Quux>\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo (HackStuff)\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo ()\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyGoogleFormat("@interface Foo (HackStuff)<MyProtocol>\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo : Bar {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo : Bar <Baz, Quux> {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo (HackStuff) {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo () {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| |
| verifyFormat("@interface Foo (HackStuff) <MyProtocol> {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init;\n" |
| "@end"); |
| } |
| |
| TEST_F(FormatTest, FormatObjCImplementation) { |
| verifyFormat("@implementation Foo : NSObject {\n" |
| "@public\n" |
| " int field1;\n" |
| "@protected\n" |
| " int field2;\n" |
| "@private\n" |
| " int field3;\n" |
| "@package\n" |
| " int field4;\n" |
| "}\n" |
| "+ (id)init {}\n" |
| "@end"); |
| |
| verifyGoogleFormat("@implementation Foo : NSObject {\n" |
| " @public\n" |
| " int field1;\n" |
| " @protected\n" |
| " int field2;\n" |
| " @private\n" |
| " int field3;\n" |
| " @package\n" |
| " int field4;\n" |
| "}\n" |
| "+ (id)init {}\n" |
| "@end"); |
| |
| verifyFormat("@implementation Foo\n" |
| "+ (id)init {\n" |
| " if (true)\n" |
| " return nil;\n" |
| "}\n" |
| "// Look, a comment!\n" |
| "- (int)answerWith:(int)i {\n" |
| " return i;\n" |
| "}\n" |
| "+ (int)answerWith:(int)i {\n" |
| " return i;\n" |
| "}\n" |
| "@end"); |
| |
| verifyFormat("@implementation Foo\n" |
| "@end\n" |
| "@implementation Bar\n" |
| "@end"); |
| |
| verifyFormat("@implementation Foo : Bar\n" |
| "+ (id)init {}\n" |
| "- (void)foo {}\n" |
| "@end"); |
| |
| verifyFormat("@implementation Foo {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init {}\n" |
| "@end"); |
| |
| verifyFormat("@implementation Foo : Bar {\n" |
| " int _i;\n" |
| "}\n" |
| "+ (id)init {}\n" |
| "@end"); |
| |
| verifyFormat("@implementation Foo (HackStuff)\n" |
| "+ (id)init {}\n" |
| "@end"); |
| } |
| |
| TEST_F(FormatTest, FormatObjCProtocol) { |
| verifyFormat("@protocol Foo\n" |
| "@property(weak) id delegate;\n" |
| "- (NSUInteger)numberOfThings;\n" |
| "@end"); |
| |
| verifyFormat("@protocol MyProtocol <NSObject>\n" |
| "- (NSUInteger)numberOfThings;\n" |
| "@end"); |
| |
| verifyGoogleFormat("@protocol MyProtocol<NSObject>\n" |
| "- (NSUInteger)numberOfThings;\n" |
| "@end"); |
| |
| verifyFormat("@protocol Foo;\n" |
| "@protocol Bar;\n"); |
| |
| verifyFormat("@protocol Foo\n" |
| "@end\n" |
| "@protocol Bar\n" |
| "@end"); |
| |
| verifyFormat("@protocol myProtocol\n" |
| "- (void)mandatoryWithInt:(int)i;\n" |
| "@optional\n" |
| "- (void)optional;\n" |
| "@required\n" |
| "- (void)required;\n" |
| "@optional\n" |
| "@property(assign) int madProp;\n" |
| "@end\n"); |
| } |
| |
| TEST_F(FormatTest, FormatObjCMethodExpr) { |
| verifyFormat("[foo bar:baz];"); |
| verifyFormat("return [foo bar:baz];"); |
| verifyFormat("f([foo bar:baz]);"); |
| verifyFormat("f(2, [foo bar:baz]);"); |
| verifyFormat("f(2, a ? b : c);"); |
| verifyFormat("[[self initWithInt:4] bar:[baz quux:arrrr]];"); |
| |
| verifyFormat("[foo bar:baz], [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] = [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] *= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] /= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] %= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] += [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] -= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] <<= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] >>= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] &= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] ^= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] |= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] ? [foo bar:baz] : [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] || [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] && [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] | [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] ^ [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] & [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] == [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] != [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] >= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] <= [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] > [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] < [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] >> [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] << [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] - [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] + [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] * [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] / [foo bar:baz];"); |
| verifyFormat("[foo bar:baz] % [foo bar:baz];"); |
| // Whew! |
| |
| verifyFormat("[self stuffWithInt:(4 + 2) float:4.5];"); |
| verifyFormat("[self stuffWithInt:a ? b : c float:4.5];"); |
| verifyFormat("[self stuffWithInt:a ? [self foo:bar] : c];"); |
| verifyFormat("[self stuffWithInt:a ? (e ? f : g) : c];"); |
| verifyFormat("[cond ? obj1 : obj2 methodWithParam:param]"); |
| verifyFormat("[button setAction:@selector(zoomOut:)];"); |
| verifyFormat("[color getRed:&r green:&g blue:&b alpha:&a];"); |
| |
| verifyFormat("arr[[self indexForFoo:a]];"); |
| verifyFormat("throw [self errorFor:a];"); |
| verifyFormat("@throw [self errorFor:a];"); |
| |
| // This tests that the formatter doesn't break after "backing" but before ":", |
| // which would be at 80 columns. |
| verifyFormat( |
| "void f() {\n" |
| " if ((self = [super initWithContentRect:contentRect styleMask:styleMask\n" |
| " backing:NSBackingStoreBuffered defer:YES]))"); |
| |
| verifyFormat("[foo checkThatBreakingAfterColonWorksOk:\n" |
| " [bar ifItDoes:reduceOverallLineLengthLikeInThisCase]];"); |
| |
| } |
| |
| TEST_F(FormatTest, ObjCAt) { |
| verifyFormat("@autoreleasepool"); |
| verifyFormat("@catch"); |
| verifyFormat("@class"); |
| verifyFormat("@compatibility_alias"); |
| verifyFormat("@defs"); |
| verifyFormat("@dynamic"); |
| verifyFormat("@encode"); |
| verifyFormat("@end"); |
| verifyFormat("@finally"); |
| verifyFormat("@implementation"); |
| verifyFormat("@import"); |
| verifyFormat("@interface"); |
| verifyFormat("@optional"); |
| verifyFormat("@package"); |
| verifyFormat("@private"); |
| verifyFormat("@property"); |
| verifyFormat("@protected"); |
| verifyFormat("@protocol"); |
| verifyFormat("@public"); |
| verifyFormat("@required"); |
| verifyFormat("@selector"); |
| verifyFormat("@synchronized"); |
| verifyFormat("@synthesize"); |
| verifyFormat("@throw"); |
| verifyFormat("@try"); |
| |
| verifyFormat("@\"String\""); |
| verifyFormat("@1"); |
| verifyFormat("@+4.8"); |
| verifyFormat("@-4"); |
| verifyFormat("@1LL"); |
| verifyFormat("@.5"); |
| verifyFormat("@'c'"); |
| verifyFormat("@true"); |
| verifyFormat("NSNumber *smallestInt = @(-INT_MAX - 1);"); |
| // FIXME: Array and dictionary literals need more work. |
| verifyFormat("@["); |
| verifyFormat("@{"); |
| |
| EXPECT_EQ("@interface", format("@ interface")); |
| |
| // The precise formatting of this doesn't matter, nobody writes code like |
| // this. |
| verifyFormat("@ /*foo*/ interface"); |
| } |
| |
| TEST_F(FormatTest, ObjCSnippets) { |
| verifyFormat("@autoreleasepool {\n" |
| " foo();\n" |
| "}"); |
| verifyFormat("@class Foo, Bar;"); |
| verifyFormat("@compatibility_alias AliasName ExistingClass;"); |
| verifyFormat("@dynamic textColor;"); |
| verifyFormat("char *buf1 = @encode(int *);"); |
| verifyFormat("char *buf1 = @encode(typeof(4 * 5));"); |
| // FIXME: Enable once PR14884 is fixed: |
| //verifyFormat("char *buf1 = @encode(int **);"); |
| verifyFormat("Protocol *proto = @protocol(p1);"); |
| verifyFormat("SEL s = @selector(foo:);"); |
| verifyFormat("@synchronized(self) {\n" |
| " f();\n" |
| "}"); |
| |
| verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;"); |
| verifyGoogleFormat("@synthesize dropArrowPosition = dropArrowPosition_;"); |
| |
| verifyFormat("@property(assign, nonatomic) CGFloat hoverAlpha;"); |
| verifyFormat("@property(assign, getter=isEditable) BOOL editable;"); |
| verifyGoogleFormat("@property(assign, getter=isEditable) BOOL editable;"); |
| } |
| |
| } // end namespace tooling |
| } // end namespace clang |
