1 //===- unittest/Format/FormatTestCSharp.cpp - Formatting tests for CSharp -===// 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 "FormatTestUtils.h" 10 #include "clang/Format/Format.h" 11 #include "llvm/Support/Debug.h" 12 #include "gtest/gtest.h" 13 14 #define DEBUG_TYPE "format-test" 15 16 namespace clang { 17 namespace format { 18 19 class FormatTestCSharp : public ::testing::Test { 20 protected: 21 static std::string format(llvm::StringRef Code, unsigned Offset, 22 unsigned Length, const FormatStyle &Style) { 23 LLVM_DEBUG(llvm::errs() << "---\n"); 24 LLVM_DEBUG(llvm::errs() << Code << "\n\n"); 25 std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length)); 26 tooling::Replacements Replaces = reformat(Style, Code, Ranges); 27 auto Result = applyAllReplacements(Code, Replaces); 28 EXPECT_TRUE(static_cast<bool>(Result)); 29 LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n"); 30 return *Result; 31 } 32 33 static std::string 34 format(llvm::StringRef Code, 35 const FormatStyle &Style = getMicrosoftStyle(FormatStyle::LK_CSharp)) { 36 return format(Code, 0, Code.size(), Style); 37 } 38 39 static FormatStyle getStyleWithColumns(unsigned ColumnLimit) { 40 FormatStyle Style = getMicrosoftStyle(FormatStyle::LK_CSharp); 41 Style.ColumnLimit = ColumnLimit; 42 return Style; 43 } 44 45 static void verifyFormat( 46 llvm::StringRef Code, 47 const FormatStyle &Style = getMicrosoftStyle(FormatStyle::LK_CSharp)) { 48 EXPECT_EQ(Code.str(), format(Code, Style)) << "Expected code is not stable"; 49 EXPECT_EQ(Code.str(), format(test::messUp(Code), Style)); 50 } 51 }; 52 53 TEST_F(FormatTestCSharp, CSharpClass) { 54 verifyFormat("public class SomeClass\n" 55 "{\n" 56 " void f()\n" 57 " {\n" 58 " }\n" 59 " int g()\n" 60 " {\n" 61 " return 0;\n" 62 " }\n" 63 " void h()\n" 64 " {\n" 65 " while (true)\n" 66 " f();\n" 67 " for (;;)\n" 68 " f();\n" 69 " if (true)\n" 70 " f();\n" 71 " }\n" 72 "}"); 73 74 // Ensure that small and empty classes are handled correctly with condensed 75 // (Google C++-like) brace-breaking style. 76 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 77 Style.BreakBeforeBraces = FormatStyle::BS_Attach; 78 79 verifyFormat("public class SomeEmptyClass {}", Style); 80 81 verifyFormat("public class SomeTinyClass {\n" 82 " int X;\n" 83 "}", 84 Style); 85 verifyFormat("private class SomeTinyClass {\n" 86 " int X;\n" 87 "}", 88 Style); 89 verifyFormat("protected class SomeTinyClass {\n" 90 " int X;\n" 91 "}", 92 Style); 93 verifyFormat("internal class SomeTinyClass {\n" 94 " int X;\n" 95 "}", 96 Style); 97 } 98 99 TEST_F(FormatTestCSharp, AccessModifiers) { 100 verifyFormat("public String toString()\n" 101 "{\n" 102 "}"); 103 verifyFormat("private String toString()\n" 104 "{\n" 105 "}"); 106 verifyFormat("protected String toString()\n" 107 "{\n" 108 "}"); 109 verifyFormat("internal String toString()\n" 110 "{\n" 111 "}"); 112 113 verifyFormat("public override String toString()\n" 114 "{\n" 115 "}"); 116 verifyFormat("private override String toString()\n" 117 "{\n" 118 "}"); 119 verifyFormat("protected override String toString()\n" 120 "{\n" 121 "}"); 122 verifyFormat("internal override String toString()\n" 123 "{\n" 124 "}"); 125 126 verifyFormat("internal static String toString()\n" 127 "{\n" 128 "}"); 129 } 130 131 TEST_F(FormatTestCSharp, NoStringLiteralBreaks) { 132 verifyFormat("foo(" 133 "\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" 134 "aaaaaa\");"); 135 } 136 137 TEST_F(FormatTestCSharp, CSharpVerbatiumStringLiterals) { 138 verifyFormat("foo(@\"aaaaaaaa\\abc\\aaaa\");"); 139 // @"ABC\" + ToString("B") - handle embedded \ in literal string at 140 // the end 141 // 142 /* 143 * After removal of Lexer change we are currently not able 144 * To handle these cases 145 verifyFormat("string s = @\"ABC\\\" + ToString(\"B\");"); 146 verifyFormat("string s = @\"ABC\"\"DEF\"\"GHI\""); 147 verifyFormat("string s = @\"ABC\"\"DEF\"\"\""); 148 verifyFormat("string s = @\"ABC\"\"DEF\"\"\" + abc"); 149 */ 150 } 151 152 TEST_F(FormatTestCSharp, CSharpInterpolatedStringLiterals) { 153 verifyFormat("foo($\"aaaaaaaa{aaa}aaaa\");"); 154 verifyFormat("foo($\"aaaa{A}\");"); 155 verifyFormat( 156 "foo($\"aaaa{A}" 157 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\");"); 158 verifyFormat("Name = $\"{firstName} {lastName}\";"); 159 160 // $"ABC\" + ToString("B") - handle embedded \ in literal string at 161 // the end 162 verifyFormat("string s = $\"A{abc}BC\" + ToString(\"B\");"); 163 verifyFormat("$\"{domain}\\\\{user}\""); 164 verifyFormat( 165 "var verbatimInterpolated = $@\"C:\\Users\\{userName}\\Documents\\\";"); 166 } 167 168 TEST_F(FormatTestCSharp, CSharpFatArrows) { 169 verifyFormat("Task serverTask = Task.Run(async() => {"); 170 verifyFormat("public override string ToString() => \"{Name}\\{Age}\";"); 171 } 172 173 TEST_F(FormatTestCSharp, CSharpConditionalExpressions) { 174 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 175 // conditional expression is not seen as a NullConditional. 176 verifyFormat("var y = A < B ? -1 : 1;", Style); 177 } 178 179 TEST_F(FormatTestCSharp, CSharpNullConditional) { 180 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 181 Style.SpaceBeforeParens = FormatStyle::SBPO_Always; 182 183 verifyFormat( 184 "public Person(string firstName, string lastName, int? age = null)"); 185 186 verifyFormat("foo () {\n" 187 " switch (args?.Length) {}\n" 188 "}", 189 Style); 190 191 verifyFormat("switch (args?.Length) {}", Style); 192 193 verifyFormat("public static void Main(string[] args)\n" 194 "{\n" 195 " string dirPath = args?[0];\n" 196 "}"); 197 198 Style.SpaceBeforeParens = FormatStyle::SBPO_Never; 199 200 verifyFormat("switch(args?.Length) {}", Style); 201 } 202 203 TEST_F(FormatTestCSharp, Attributes) { 204 verifyFormat("[STAThread]\n" 205 "static void Main(string[] args)\n" 206 "{\n" 207 "}"); 208 209 verifyFormat("[TestMethod]\n" 210 "private class Test\n" 211 "{\n" 212 "}"); 213 214 verifyFormat("[TestMethod]\n" 215 "protected class Test\n" 216 "{\n" 217 "}"); 218 219 verifyFormat("[TestMethod]\n" 220 "internal class Test\n" 221 "{\n" 222 "}"); 223 224 verifyFormat("[TestMethod]\n" 225 "class Test\n" 226 "{\n" 227 "}"); 228 229 verifyFormat("[TestMethod]\n" 230 "[DeploymentItem(\"Test.txt\")]\n" 231 "public class Test\n" 232 "{\n" 233 "}"); 234 235 verifyFormat("[System.AttributeUsage(System.AttributeTargets.Method)]\n" 236 "[System.Runtime.InteropServices.ComVisible(true)]\n" 237 "public sealed class STAThreadAttribute : Attribute\n" 238 "{\n" 239 "}"); 240 241 verifyFormat("[Verb(\"start\", HelpText = \"Starts the server listening on " 242 "provided port\")]\n" 243 "class Test\n" 244 "{\n" 245 "}"); 246 247 verifyFormat("[TestMethod]\n" 248 "public string Host { set; get; }"); 249 250 // Adjacent properties should not cause line wrapping issues 251 verifyFormat("[JsonProperty(\"foo\")]\n" 252 "public string Foo { set; get; }\n" 253 "[JsonProperty(\"bar\")]\n" 254 "public string Bar { set; get; }\n" 255 "[JsonProperty(\"bar\")]\n" 256 "protected string Bar { set; get; }\n" 257 "[JsonProperty(\"bar\")]\n" 258 "internal string Bar { set; get; }"); 259 260 // Multiple attributes should always be split (not just the first ones) 261 verifyFormat("[XmlIgnore]\n" 262 "[JsonProperty(\"foo\")]\n" 263 "public string Foo { set; get; }"); 264 265 verifyFormat("[XmlIgnore]\n" 266 "[JsonProperty(\"foo\")]\n" 267 "public string Foo { set; get; }\n" 268 "[XmlIgnore]\n" 269 "[JsonProperty(\"bar\")]\n" 270 "public string Bar { set; get; }"); 271 272 verifyFormat("[XmlIgnore]\n" 273 "[ScriptIgnore]\n" 274 "[JsonProperty(\"foo\")]\n" 275 "public string Foo { set; get; }\n" 276 "[XmlIgnore]\n" 277 "[ScriptIgnore]\n" 278 "[JsonProperty(\"bar\")]\n" 279 "public string Bar { set; get; }"); 280 281 verifyFormat("[TestMethod(\"start\", HelpText = \"Starts the server " 282 "listening on provided host\")]\n" 283 "public string Host { set; get; }"); 284 285 verifyFormat( 286 "[DllImport(\"Hello\", EntryPoint = \"hello_world\")]\n" 287 "// The const char* returned by hello_world must not be deleted.\n" 288 "private static extern IntPtr HelloFromCpp();)"); 289 290 // Class attributes go on their own line and do not affect layout of 291 // interfaces. Line wrapping decisions previously caused each interface to be 292 // on its own line. 293 verifyFormat("[SomeAttribute]\n" 294 "[SomeOtherAttribute]\n" 295 "public class A : IShape, IAnimal, IVehicle\n" 296 "{\n" 297 " int X;\n" 298 "}"); 299 300 // Attributes in a method declaration do not cause line wrapping. 301 verifyFormat("void MethodA([In][Out] ref double x)\n" 302 "{\n" 303 "}"); 304 305 verifyFormat("void MethodA([In, Out] ref double x)\n" 306 "{\n" 307 "}"); 308 309 verifyFormat("void MethodA([In, Out] double[] x)\n" 310 "{\n" 311 "}"); 312 313 verifyFormat("void MethodA([In] double[] x)\n" 314 "{\n" 315 "}"); 316 317 verifyFormat("void MethodA(int[] x)\n" 318 "{\n" 319 "}"); 320 verifyFormat("void MethodA(int[][] x)\n" 321 "{\n" 322 "}"); 323 verifyFormat("void MethodA([] x)\n" 324 "{\n" 325 "}"); 326 327 verifyFormat("public void Log([CallerLineNumber] int line = -1, " 328 "[CallerFilePath] string path = null,\n" 329 " [CallerMemberName] string name = null)\n" 330 "{\n" 331 "}"); 332 333 // [] in an attribute do not cause premature line wrapping or indenting. 334 verifyFormat(R"(// 335 public class A 336 { 337 [SomeAttribute(new[] { RED, GREEN, BLUE }, -1.0f, 1.0f)] 338 [DoNotSerialize] 339 public Data MemberVariable; 340 })"); 341 342 // Unwrappable lines go on a line of their own. 343 // 'target:' is not treated as a label. 344 // Modify Style to enforce a column limit. 345 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 346 Style.ColumnLimit = 10; 347 verifyFormat(R"([assembly:InternalsVisibleTo( 348 "SomeAssembly, PublicKey=SomePublicKeyThatExceedsTheColumnLimit")])", 349 Style); 350 } 351 352 TEST_F(FormatTestCSharp, CSharpUsing) { 353 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 354 Style.SpaceBeforeParens = FormatStyle::SBPO_Always; 355 verifyFormat("public void foo () {\n" 356 " using (StreamWriter sw = new StreamWriter (filenameA)) {}\n" 357 " using () {}\n" 358 "}", 359 Style); 360 361 // Ensure clang-format affects top-level snippets correctly. 362 verifyFormat("using (StreamWriter sw = new StreamWriter (filenameB)) {}", 363 Style); 364 365 Style.SpaceBeforeParens = FormatStyle::SBPO_Never; 366 verifyFormat("public void foo() {\n" 367 " using(StreamWriter sw = new StreamWriter(filenameB)) {}\n" 368 " using() {}\n" 369 "}", 370 Style); 371 372 // Ensure clang-format affects top-level snippets correctly. 373 verifyFormat("using(StreamWriter sw = new StreamWriter(filenameB)) {}", 374 Style); 375 376 Style.SpaceBeforeParens = FormatStyle::SBPO_ControlStatements; 377 verifyFormat("public void foo() {\n" 378 " using (StreamWriter sw = new StreamWriter(filenameA)) {}\n" 379 " using () {}\n" 380 "}", 381 Style); 382 383 // Ensure clang-format affects top-level snippets correctly. 384 verifyFormat("using (StreamWriter sw = new StreamWriter(filenameB)) {}", 385 Style); 386 387 Style.SpaceBeforeParens = FormatStyle::SBPO_NonEmptyParentheses; 388 verifyFormat("public void foo() {\n" 389 " using (StreamWriter sw = new StreamWriter (filenameA)) {}\n" 390 " using() {}\n" 391 "}", 392 Style); 393 394 // Ensure clang-format affects top-level snippets correctly. 395 verifyFormat("using (StreamWriter sw = new StreamWriter (filenameB)) {}", 396 Style); 397 } 398 399 TEST_F(FormatTestCSharp, CSharpRegions) { 400 verifyFormat("#region aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaa " 401 "aaaaaaaaaaaaaaa long region"); 402 } 403 404 TEST_F(FormatTestCSharp, CSharpKeyWordEscaping) { 405 // AfterEnum is true by default. 406 verifyFormat("public enum var\n" 407 "{\n" 408 " none,\n" 409 " @string,\n" 410 " bool,\n" 411 " @enum\n" 412 "}"); 413 } 414 415 TEST_F(FormatTestCSharp, CSharpNullCoalescing) { 416 verifyFormat("var test = ABC ?? DEF"); 417 verifyFormat("string myname = name ?? \"ABC\";"); 418 verifyFormat("return _name ?? \"DEF\";"); 419 } 420 421 TEST_F(FormatTestCSharp, CSharpNullCoalescingAssignment) { 422 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 423 Style.SpaceBeforeAssignmentOperators = true; 424 425 verifyFormat(R"(test ??= ABC;)", Style); 426 verifyFormat(R"(test ??= true;)", Style); 427 428 Style.SpaceBeforeAssignmentOperators = false; 429 430 verifyFormat(R"(test??= ABC;)", Style); 431 verifyFormat(R"(test??= true;)", Style); 432 } 433 434 TEST_F(FormatTestCSharp, CSharpNullForgiving) { 435 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 436 437 verifyFormat("var test = null!;", Style); 438 verifyFormat("string test = someFunctionCall()! + \"ABC\"!", Style); 439 verifyFormat("int test = (1! + 2 + bar! + foo())!", Style); 440 verifyFormat(R"(test ??= !foo!;)", Style); 441 verifyFormat("test = !bar! ?? !foo!;", Style); 442 verifyFormat("bool test = !(!true && !true! || !null && !null! || !false && " 443 "!false! && !bar()! + (!foo()))!", 444 Style); 445 446 // Check that line break keeps identifier with the bang. 447 Style.ColumnLimit = 14; 448 449 verifyFormat("var test =\n" 450 " foo!;", 451 Style); 452 } 453 454 TEST_F(FormatTestCSharp, AttributesIndentation) { 455 FormatStyle Style = getMicrosoftStyle(FormatStyle::LK_CSharp); 456 Style.AlwaysBreakAfterReturnType = FormatStyle::RTBS_None; 457 458 verifyFormat("[STAThread]\n" 459 "static void Main(string[] args)\n" 460 "{\n" 461 "}", 462 Style); 463 464 verifyFormat("[STAThread]\n" 465 "void " 466 "veryLooooooooooooooongFunctionName(string[] args)\n" 467 "{\n" 468 "}", 469 Style); 470 471 verifyFormat("[STAThread]\n" 472 "veryLoooooooooooooooooooongReturnType " 473 "veryLooooooooooooooongFunctionName(string[] args)\n" 474 "{\n" 475 "}", 476 Style); 477 478 verifyFormat("[SuppressMessage(\"A\", \"B\", Justification = \"C\")]\n" 479 "public override X Y()\n" 480 "{\n" 481 "}\n", 482 Style); 483 484 verifyFormat("[SuppressMessage]\n" 485 "public X Y()\n" 486 "{\n" 487 "}\n", 488 Style); 489 490 verifyFormat("[SuppressMessage]\n" 491 "public override X Y()\n" 492 "{\n" 493 "}\n", 494 Style); 495 496 verifyFormat("public A(B b) : base(b)\n" 497 "{\n" 498 " [SuppressMessage]\n" 499 " public override X Y()\n" 500 " {\n" 501 " }\n" 502 "}\n", 503 Style); 504 505 verifyFormat("public A : Base\n" 506 "{\n" 507 "}\n" 508 "[Test]\n" 509 "public Foo()\n" 510 "{\n" 511 "}\n", 512 Style); 513 514 verifyFormat("namespace\n" 515 "{\n" 516 "public A : Base\n" 517 "{\n" 518 "}\n" 519 "[Test]\n" 520 "public Foo()\n" 521 "{\n" 522 "}\n" 523 "}\n", 524 Style); 525 } 526 527 TEST_F(FormatTestCSharp, CSharpSpaceBefore) { 528 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 529 Style.SpaceBeforeParens = FormatStyle::SBPO_Always; 530 531 verifyFormat("List<string> list;", Style); 532 verifyFormat("Dictionary<string, string> dict;", Style); 533 534 verifyFormat("for (int i = 0; i < size (); i++) {\n" 535 "}", 536 Style); 537 verifyFormat("foreach (var x in y) {\n" 538 "}", 539 Style); 540 verifyFormat("switch (x) {}", Style); 541 verifyFormat("do {\n" 542 "} while (x);", 543 Style); 544 545 Style.SpaceBeforeParens = FormatStyle::SBPO_Never; 546 547 verifyFormat("List<string> list;", Style); 548 verifyFormat("Dictionary<string, string> dict;", Style); 549 550 verifyFormat("for(int i = 0; i < size(); i++) {\n" 551 "}", 552 Style); 553 verifyFormat("foreach(var x in y) {\n" 554 "}", 555 Style); 556 verifyFormat("switch(x) {}", Style); 557 verifyFormat("do {\n" 558 "} while(x);", 559 Style); 560 } 561 562 TEST_F(FormatTestCSharp, CSharpSpaceAfterCStyleCast) { 563 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 564 565 verifyFormat("(int)x / y;", Style); 566 567 Style.SpaceAfterCStyleCast = true; 568 verifyFormat("(int) x / y;", Style); 569 } 570 571 TEST_F(FormatTestCSharp, CSharpEscapedQuotesInVerbatimStrings) { 572 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 573 574 verifyFormat(R"(string str = @"""";)", Style); 575 verifyFormat(R"(string str = @"""Hello world""";)", Style); 576 verifyFormat(R"(string str = $@"""Hello {friend}""";)", Style); 577 } 578 579 TEST_F(FormatTestCSharp, CSharpQuotesInInterpolatedStrings) { 580 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 581 582 verifyFormat(R"(string str1 = $"{null ?? "null"}";)", Style); 583 verifyFormat(R"(string str2 = $"{{{braceCount} braces";)", Style); 584 verifyFormat(R"(string str3 = $"{braceCount}}} braces";)", Style); 585 } 586 587 TEST_F(FormatTestCSharp, CSharpNewlinesInVerbatimStrings) { 588 // Use MS style as Google Style inserts a line break before multiline strings. 589 590 // verifyFormat does not understand multiline C# string-literals 591 // so check the format explicitly. 592 593 FormatStyle Style = getMicrosoftStyle(FormatStyle::LK_CSharp); 594 595 std::string Code = R"(string s1 = $@"some code: 596 class {className} {{ 597 {className}() {{}} 598 }}";)"; 599 600 EXPECT_EQ(Code, format(Code, Style)); 601 602 // Multiline string in the middle of a function call. 603 Code = R"( 604 var x = foo(className, $@"some code: 605 class {className} {{ 606 {className}() {{}} 607 }}", 608 y);)"; // y aligned with `className` arg. 609 610 EXPECT_EQ(Code, format(Code, Style)); 611 612 // Interpolated string with embedded multiline string. 613 Code = R"(Console.WriteLine($"{string.Join(@", 614 ", values)}");)"; 615 616 EXPECT_EQ(Code, format(Code, Style)); 617 } 618 619 TEST_F(FormatTestCSharp, CSharpLambdas) { 620 FormatStyle GoogleStyle = getGoogleStyle(FormatStyle::LK_CSharp); 621 FormatStyle MicrosoftStyle = getMicrosoftStyle(FormatStyle::LK_CSharp); 622 623 verifyFormat(R"(// 624 class MyClass { 625 Action<string> greet = name => { 626 string greeting = $"Hello {name}!"; 627 Console.WriteLine(greeting); 628 }; 629 })", 630 GoogleStyle); 631 632 // Microsoft Style: 633 // https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/statements-expressions-operators/lambda-expressions#statement-lambdas 634 verifyFormat(R"(// 635 class MyClass 636 { 637 Action<string> greet = name => 638 { 639 string greeting = $"Hello {name}!"; 640 Console.WriteLine(greeting); 641 }; 642 })", 643 MicrosoftStyle); 644 645 verifyFormat("void bar()\n" 646 "{\n" 647 " Function(Val, (Action)(() =>\n" 648 " {\n" 649 " lock (mylock)\n" 650 " {\n" 651 " if (true)\n" 652 " {\n" 653 " A.Remove(item);\n" 654 " }\n" 655 " }\n" 656 " }));\n" 657 "}", 658 MicrosoftStyle); 659 660 verifyFormat("void baz()\n" 661 "{\n" 662 " Function(Val, (Action)(() =>\n" 663 " {\n" 664 " using (var a = new Lock())\n" 665 " {\n" 666 " if (true)\n" 667 " {\n" 668 " A.Remove(item);\n" 669 " }\n" 670 " }\n" 671 " }));\n" 672 "}", 673 MicrosoftStyle); 674 675 verifyFormat("void baz()\n" 676 "{\n" 677 " Function(Val, (Action)(() =>\n" 678 " {\n" 679 " if (true)\n" 680 " {\n" 681 " A.Remove(item);\n" 682 " }\n" 683 " }));\n" 684 "}", 685 MicrosoftStyle); 686 687 verifyFormat("void baz()\n" 688 "{\n" 689 " Function(Val, (Action)(() =>\n" 690 " {\n" 691 " do\n" 692 " {\n" 693 " A.Remove(item);\n" 694 " } while (true)\n" 695 " }));\n" 696 "}", 697 MicrosoftStyle); 698 699 verifyFormat("void baz()\n" 700 "{\n" 701 " Function(Val, (Action)(() =>\n" 702 " { A.Remove(item); }));\n" 703 "}", 704 MicrosoftStyle); 705 706 verifyFormat("void bar()\n" 707 "{\n" 708 " Function(Val, (() =>\n" 709 " {\n" 710 " lock (mylock)\n" 711 " {\n" 712 " if (true)\n" 713 " {\n" 714 " A.Remove(item);\n" 715 " }\n" 716 " }\n" 717 " }));\n" 718 "}", 719 MicrosoftStyle); 720 verifyFormat("void bar()\n" 721 "{\n" 722 " Function((() =>\n" 723 " {\n" 724 " lock (mylock)\n" 725 " {\n" 726 " if (true)\n" 727 " {\n" 728 " A.Remove(item);\n" 729 " }\n" 730 " }\n" 731 " }));\n" 732 "}", 733 MicrosoftStyle); 734 735 MicrosoftStyle.IndentWidth = 2; 736 verifyFormat("void bar()\n" 737 "{\n" 738 " Function((() =>\n" 739 " {\n" 740 " lock (mylock)\n" 741 " {\n" 742 " if (true)\n" 743 " {\n" 744 " A.Remove(item);\n" 745 " }\n" 746 " }\n" 747 " }));\n" 748 "}", 749 MicrosoftStyle); 750 verifyFormat("void bar() {\n" 751 " Function((() => {\n" 752 " lock (mylock) {\n" 753 " if (true) {\n" 754 " A.Remove(item);\n" 755 " }\n" 756 " }\n" 757 " }));\n" 758 "}", 759 GoogleStyle); 760 } 761 762 TEST_F(FormatTestCSharp, CSharpLambdasDontBreakFollowingCodeAlignment) { 763 FormatStyle GoogleStyle = getGoogleStyle(FormatStyle::LK_CSharp); 764 FormatStyle MicrosoftStyle = getMicrosoftStyle(FormatStyle::LK_CSharp); 765 766 verifyFormat(R"(// 767 public class Sample 768 { 769 public void Test() 770 { 771 while (true) 772 { 773 preBindEnumerators.RemoveAll(enumerator => !enumerator.MoveNext()); 774 CodeThatFollowsLambda(); 775 IsWellAligned(); 776 } 777 } 778 })", 779 MicrosoftStyle); 780 781 verifyFormat(R"(// 782 public class Sample { 783 public void Test() { 784 while (true) { 785 preBindEnumerators.RemoveAll(enumerator => !enumerator.MoveNext()); 786 CodeThatFollowsLambda(); 787 IsWellAligned(); 788 } 789 } 790 })", 791 GoogleStyle); 792 } 793 794 TEST_F(FormatTestCSharp, CSharpLambdasComplexLambdasDontBreakAlignment) { 795 FormatStyle GoogleStyle = getGoogleStyle(FormatStyle::LK_CSharp); 796 FormatStyle MicrosoftStyle = getMicrosoftStyle(FormatStyle::LK_CSharp); 797 798 verifyFormat(R"(// 799 public class Test 800 { 801 private static void ComplexLambda(BuildReport protoReport) 802 { 803 allSelectedScenes = 804 veryVeryLongCollectionNameThatPutsTheLineLenghtAboveTheThresholds.Where(scene => scene.enabled) 805 .Select(scene => scene.path) 806 .ToArray(); 807 if (allSelectedScenes.Count == 0) 808 { 809 return; 810 } 811 Functions(); 812 AreWell(); 813 Aligned(); 814 AfterLambdaBlock(); 815 } 816 })", 817 MicrosoftStyle); 818 819 verifyFormat(R"(// 820 public class Test { 821 private static void ComplexLambda(BuildReport protoReport) { 822 allSelectedScenes = veryVeryLongCollectionNameThatPutsTheLineLenghtAboveTheThresholds 823 .Where(scene => scene.enabled) 824 .Select(scene => scene.path) 825 .ToArray(); 826 if (allSelectedScenes.Count == 0) { 827 return; 828 } 829 Functions(); 830 AreWell(); 831 Aligned(); 832 AfterLambdaBlock(); 833 } 834 })", 835 GoogleStyle); 836 } 837 838 TEST_F(FormatTestCSharp, CSharpLambdasMulipleLambdasDontBreakAlignment) { 839 FormatStyle GoogleStyle = getGoogleStyle(FormatStyle::LK_CSharp); 840 FormatStyle MicrosoftStyle = getMicrosoftStyle(FormatStyle::LK_CSharp); 841 842 verifyFormat(R"(// 843 public class Test 844 { 845 private static void MultipleLambdas(BuildReport protoReport) 846 { 847 allSelectedScenes = 848 veryVeryLongCollectionNameThatPutsTheLineLenghtAboveTheThresholds.Where(scene => scene.enabled) 849 .Select(scene => scene.path) 850 .ToArray(); 851 preBindEnumerators.RemoveAll(enumerator => !enumerator.MoveNext()); 852 if (allSelectedScenes.Count == 0) 853 { 854 return; 855 } 856 Functions(); 857 AreWell(); 858 Aligned(); 859 AfterLambdaBlock(); 860 } 861 })", 862 MicrosoftStyle); 863 864 verifyFormat(R"(// 865 public class Test { 866 private static void MultipleLambdas(BuildReport protoReport) { 867 allSelectedScenes = veryVeryLongCollectionNameThatPutsTheLineLenghtAboveTheThresholds 868 .Where(scene => scene.enabled) 869 .Select(scene => scene.path) 870 .ToArray(); 871 preBindEnumerators.RemoveAll(enumerator => !enumerator.MoveNext()); 872 if (allSelectedScenes.Count == 0) { 873 return; 874 } 875 Functions(); 876 AreWell(); 877 Aligned(); 878 AfterLambdaBlock(); 879 } 880 })", 881 GoogleStyle); 882 } 883 884 TEST_F(FormatTestCSharp, CSharpObjectInitializers) { 885 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 886 887 // Start code fragments with a comment line so that C++ raw string literals 888 // as seen are identical to expected formatted code. 889 890 verifyFormat(R"(// 891 Shape[] shapes = new[] { 892 new Circle { 893 Radius = 2.7281, 894 Colour = Colours.Red, 895 }, 896 new Square { 897 Side = 101.1, 898 Colour = Colours.Yellow, 899 }, 900 };)", 901 Style); 902 903 // Omitted final `,`s will change the formatting. 904 verifyFormat(R"(// 905 Shape[] shapes = new[] { new Circle { Radius = 2.7281, Colour = Colours.Red }, 906 new Square { Side = 101.1, Colour = Colours.Yellow } };)", 907 Style); 908 909 // Lambdas can be supplied as initialiser arguments. 910 verifyFormat(R"(// 911 private Transformer _transformer = new X.Y { 912 Filler = (Shape shape) => { return new Transform.Fill(shape, RED); }, 913 Scaler = (Shape shape) => { return new Transform.Resize(shape, 0.1); }, 914 };)", 915 Style); 916 917 // Dictionary initialisation. 918 verifyFormat(R"(// 919 var myDict = new Dictionary<string, string> { 920 ["name"] = _donald, 921 ["age"] = Convert.ToString(DateTime.Today.Year - 1934), 922 ["type"] = _duck, 923 };)", 924 Style); 925 } 926 927 TEST_F(FormatTestCSharp, CSharpArrayInitializers) { 928 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 929 930 verifyFormat(R"(// 931 private MySet<Node>[] setPoints = { 932 new Point<Node>(), 933 new Point<Node>(), 934 };)", 935 Style); 936 } 937 938 TEST_F(FormatTestCSharp, CSharpNamedArguments) { 939 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 940 941 verifyFormat(R"(// 942 PrintOrderDetails(orderNum: 31, productName: "Red Mug", sellerName: "Gift Shop");)", 943 Style); 944 945 // Ensure that trailing comments do not cause problems. 946 verifyFormat(R"(// 947 PrintOrderDetails(orderNum: 31, productName: "Red Mug", // comment 948 sellerName: "Gift Shop");)", 949 Style); 950 951 verifyFormat(R"(foreach (var tickCount in task.Begin(seed: 0)) {)", Style); 952 } 953 954 TEST_F(FormatTestCSharp, CSharpPropertyAccessors) { 955 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 956 957 verifyFormat("int Value { get }", Style); 958 verifyFormat("int Value { get; }", Style); 959 verifyFormat("int Value { internal get; }", Style); 960 verifyFormat("int Value { get; } = 0", Style); 961 verifyFormat("int Value { set }", Style); 962 verifyFormat("int Value { set; }", Style); 963 verifyFormat("int Value { init; }", Style); 964 verifyFormat("int Value { internal set; }", Style); 965 verifyFormat("int Value { set; } = 0", Style); 966 verifyFormat("int Value { get; set }", Style); 967 verifyFormat("int Value { get; init; }", Style); 968 verifyFormat("int Value { set; get }", Style); 969 verifyFormat("int Value { get; private set; }", Style); 970 verifyFormat("int Value { get; set; }", Style); 971 verifyFormat("int Value { get; set; } = 0", Style); 972 verifyFormat("int Value { internal get; internal set; }", Style); 973 974 // Do not wrap expression body definitions. 975 verifyFormat(R"(// 976 public string Name { 977 get => _name; 978 set => _name = value; 979 })", 980 Style); 981 verifyFormat(R"(// 982 public string Name { 983 init => _name = value; 984 get => _name; 985 })", 986 Style); 987 verifyFormat(R"(// 988 public string Name { 989 set => _name = value; 990 get => _name; 991 })", 992 Style); 993 994 // Examples taken from 995 // https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/properties 996 verifyFormat(R"( 997 // Expression body definitions 998 public class SaleItem { 999 public decimal Price { 1000 get => _cost; 1001 set => _cost = value; 1002 } 1003 })", 1004 Style); 1005 1006 verifyFormat(R"( 1007 // Properties with backing fields 1008 class TimePeriod { 1009 public double Hours { 1010 get { return _seconds / 3600; } 1011 set { 1012 if (value < 0 || value > 24) 1013 throw new ArgumentOutOfRangeException($"{nameof(value)} must be between 0 and 24."); 1014 _seconds = value * 3600; 1015 } 1016 } 1017 })", 1018 Style); 1019 1020 verifyFormat(R"( 1021 // Auto-implemented properties 1022 public class SaleItem { 1023 public decimal Price { get; set; } 1024 })", 1025 Style); 1026 1027 // Add column limit to wrap long lines. 1028 Style.ColumnLimit = 100; 1029 1030 // Examples with assignment to default value. 1031 verifyFormat(R"( 1032 // Long assignment to default value 1033 class MyClass { 1034 public override VeryLongNamedTypeIndeed VeryLongNamedValue { get; set } = 1035 VeryLongNamedTypeIndeed.Create(DefaultFirstArgument, DefaultSecondArgument, 1036 DefaultThirdArgument); 1037 })", 1038 Style); 1039 1040 verifyFormat(R"( 1041 // Long assignment to default value with expression body 1042 class MyClass { 1043 public override VeryLongNamedTypeIndeed VeryLongNamedValue { 1044 get => veryLongNamedField; 1045 set => veryLongNamedField = value; 1046 } = VeryLongNamedTypeIndeed.Create(DefaultFirstArgument, DefaultSecondArgument, 1047 DefaultThirdArgument); 1048 })", 1049 Style); 1050 1051 // Brace wrapping and single-lining of accessor can be controlled by config. 1052 Style.AllowShortBlocksOnASingleLine = FormatStyle::SBS_Never; 1053 Style.BreakBeforeBraces = FormatStyle::BS_Custom; 1054 Style.BraceWrapping.AfterFunction = true; 1055 1056 verifyFormat(R"(// 1057 class TimePeriod { 1058 public double Hours 1059 { 1060 get { 1061 return _seconds / 3600; 1062 } 1063 set { 1064 _seconds = value * 3600; 1065 } 1066 } 1067 })", 1068 Style); 1069 1070 // Microsoft style trivial property accessors have no line break before the 1071 // opening brace. 1072 auto MicrosoftStyle = getMicrosoftStyle(FormatStyle::LK_CSharp); 1073 verifyFormat(R"(// 1074 public class SaleItem 1075 { 1076 public decimal Price { get; set; } 1077 })", 1078 MicrosoftStyle); 1079 } 1080 1081 TEST_F(FormatTestCSharp, DefaultLiteral) { 1082 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1083 1084 verifyFormat( 1085 "T[] InitializeArray<T>(int length, T initialValue = default) {}", Style); 1086 verifyFormat("System.Numerics.Complex fillValue = default;", Style); 1087 verifyFormat("int Value { get } = default;", Style); 1088 verifyFormat("int Value { get } = default!;", Style); 1089 verifyFormat(R"(// 1090 public record Person { 1091 public string GetInit { get; init; } = default!; 1092 };)", 1093 Style); 1094 verifyFormat(R"(// 1095 public record Person { 1096 public string GetSet { get; set; } = default!; 1097 };)", 1098 Style); 1099 } 1100 1101 TEST_F(FormatTestCSharp, CSharpSpaces) { 1102 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1103 Style.SpaceBeforeSquareBrackets = false; 1104 Style.SpacesInSquareBrackets = false; 1105 Style.SpaceBeforeCpp11BracedList = true; 1106 Style.Cpp11BracedListStyle = false; 1107 Style.SpacesInContainerLiterals = false; 1108 Style.SpaceAfterCStyleCast = false; 1109 1110 verifyFormat(R"(new Car { "Door", 0.1 })", Style); 1111 verifyFormat(R"(new Car { 0.1, "Door" })", Style); 1112 verifyFormat(R"(new string[] { "A" })", Style); 1113 verifyFormat(R"(new string[] {})", Style); 1114 verifyFormat(R"(new Car { someVariableName })", Style); 1115 verifyFormat(R"(new Car { someVariableName })", Style); 1116 verifyFormat(R"(new Dictionary<string, string> { ["Key"] = "Value" };)", 1117 Style); 1118 verifyFormat(R"(Apply(x => x.Name, x => () => x.ID);)", Style); 1119 verifyFormat(R"(bool[] xs = { true, true };)", Style); 1120 verifyFormat(R"(taskContext.Factory.Run(async () => doThing(args);)", Style); 1121 verifyFormat(R"(catch (TestException) when (innerFinallyExecuted))", Style); 1122 verifyFormat(R"(private float[,] Values;)", Style); 1123 verifyFormat(R"(Result this[Index x] => Foo(x);)", Style); 1124 1125 verifyFormat(R"(char[,,] rawCharArray = MakeCharacterGrid();)", Style); 1126 verifyFormat(R"(var (key, value))", Style); 1127 1128 // `&&` is not seen as a reference. 1129 verifyFormat(R"(A == typeof(X) && someBool)", Style); 1130 1131 // Not seen as a C-style cast. 1132 verifyFormat(R"(// 1133 foreach ((A a, B b) in someList) { 1134 })", 1135 Style); 1136 1137 // space after lock in `lock (processes)`. 1138 verifyFormat("lock (process)", Style); 1139 1140 Style.SpacesInSquareBrackets = true; 1141 verifyFormat(R"(private float[ , ] Values;)", Style); 1142 verifyFormat(R"(string dirPath = args?[ 0 ];)", Style); 1143 verifyFormat(R"(char[ ,, ] rawCharArray = MakeCharacterGrid();)", Style); 1144 1145 // Method returning tuple 1146 verifyFormat(R"(public (string name, int age) methodTuple() {})", Style); 1147 verifyFormat(R"(private (string name, int age) methodTuple() {})", Style); 1148 verifyFormat(R"(protected (string name, int age) methodTuple() {})", Style); 1149 verifyFormat(R"(virtual (string name, int age) methodTuple() {})", Style); 1150 verifyFormat(R"(extern (string name, int age) methodTuple() {})", Style); 1151 verifyFormat(R"(static (string name, int age) methodTuple() {})", Style); 1152 verifyFormat(R"(internal (string name, int age) methodTuple() {})", Style); 1153 verifyFormat(R"(abstract (string name, int age) methodTuple() {})", Style); 1154 verifyFormat(R"(sealed (string name, int age) methodTuple() {})", Style); 1155 verifyFormat(R"(override (string name, int age) methodTuple() {})", Style); 1156 verifyFormat(R"(async (string name, int age) methodTuple() {})", Style); 1157 verifyFormat(R"(unsafe (string name, int age) methodTuple() {})", Style); 1158 } 1159 1160 TEST_F(FormatTestCSharp, CSharpNullableTypes) { 1161 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1162 Style.SpacesInSquareBrackets = false; 1163 1164 verifyFormat(R"(// 1165 public class A { 1166 void foo() { 1167 int? value = some.bar(); 1168 } 1169 })", 1170 Style); // int? is nullable not a conditional expression. 1171 1172 verifyFormat(R"(void foo(int? x, int? y, int? z) {})", 1173 Style); // Nullables in function definitions. 1174 1175 verifyFormat(R"(public float? Value;)", Style); // no space before `?`. 1176 1177 verifyFormat(R"(int?[] arr = new int?[10];)", 1178 Style); // An array of a nullable type. 1179 1180 verifyFormat(R"(var x = (int?)y;)", Style); // Cast to a nullable type. 1181 1182 verifyFormat(R"(var x = new MyContainer<int?>();)", Style); // Generics. 1183 1184 verifyFormat(R"(// 1185 public interface I { 1186 int? Function(); 1187 })", 1188 Style); // Interface methods. 1189 1190 Style.ColumnLimit = 10; 1191 verifyFormat(R"(// 1192 public VeryLongType? Function( 1193 int arg1, 1194 int arg2) { 1195 // 1196 })", 1197 Style); // ? sticks with identifier. 1198 } 1199 1200 TEST_F(FormatTestCSharp, CSharpArraySubscripts) { 1201 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1202 1203 // Do not format array subscript operators as attributes. 1204 verifyFormat(R"(// 1205 if (someThings[index].Contains(myThing)) { 1206 })", 1207 Style); 1208 1209 verifyFormat(R"(// 1210 if (someThings[i][j][k].Contains(myThing)) { 1211 })", 1212 Style); 1213 } 1214 1215 TEST_F(FormatTestCSharp, CSharpGenericTypeConstraints) { 1216 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1217 1218 EXPECT_TRUE(Style.BraceWrapping.SplitEmptyRecord); 1219 1220 verifyFormat("class ItemFactory<T>\n" 1221 " where T : new() {\n" 1222 "}", 1223 Style); 1224 1225 verifyFormat("class Dictionary<TKey, TVal>\n" 1226 " where TKey : IComparable<TKey>\n" 1227 " where TVal : IMyInterface {\n" 1228 " public void MyMethod<T>(T t)\n" 1229 " where T : IMyInterface {\n" 1230 " doThing();\n" 1231 " }\n" 1232 "}", 1233 Style); 1234 1235 verifyFormat("class ItemFactory<T>\n" 1236 " where T : new(), IAnInterface<T>, IAnotherInterface<T>, " 1237 "IAnotherInterfaceStill<T> {\n" 1238 "}", 1239 Style); 1240 1241 Style.ColumnLimit = 50; // Force lines to be wrapped. 1242 verifyFormat(R"(// 1243 class ItemFactory<T, U> 1244 where T : new(), 1245 IAnInterface<T>, 1246 IAnotherInterface<T, U>, 1247 IAnotherInterfaceStill<T, U> { 1248 })", 1249 Style); 1250 1251 // In other languages `where` can be used as a normal identifier. 1252 // This example is in C++! 1253 verifyFormat(R"(// 1254 class A { 1255 int f(int where) {} 1256 };)", 1257 getGoogleStyle(FormatStyle::LK_Cpp)); 1258 } 1259 1260 TEST_F(FormatTestCSharp, CSharpAfterEnum) { 1261 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1262 Style.BreakBeforeBraces = FormatStyle::BS_Custom; 1263 Style.BraceWrapping.AfterEnum = false; 1264 Style.AllowShortEnumsOnASingleLine = false; 1265 1266 verifyFormat("enum MyEnum {\n" 1267 " Foo,\n" 1268 " Bar,\n" 1269 "}", 1270 Style); 1271 verifyFormat("internal enum MyEnum {\n" 1272 " Foo,\n" 1273 " Bar,\n" 1274 "}", 1275 Style); 1276 verifyFormat("public enum MyEnum {\n" 1277 " Foo,\n" 1278 " Bar,\n" 1279 "}", 1280 Style); 1281 verifyFormat("protected enum MyEnum {\n" 1282 " Foo,\n" 1283 " Bar,\n" 1284 "}", 1285 Style); 1286 verifyFormat("private enum MyEnum {\n" 1287 " Foo,\n" 1288 " Bar,\n" 1289 "}", 1290 Style); 1291 1292 Style.BraceWrapping.AfterEnum = true; 1293 Style.AllowShortEnumsOnASingleLine = false; 1294 1295 verifyFormat("enum MyEnum\n" 1296 "{\n" 1297 " Foo,\n" 1298 " Bar,\n" 1299 "}", 1300 Style); 1301 verifyFormat("internal enum MyEnum\n" 1302 "{\n" 1303 " Foo,\n" 1304 " Bar,\n" 1305 "}", 1306 Style); 1307 verifyFormat("public enum MyEnum\n" 1308 "{\n" 1309 " Foo,\n" 1310 " Bar,\n" 1311 "}", 1312 Style); 1313 verifyFormat("protected enum MyEnum\n" 1314 "{\n" 1315 " Foo,\n" 1316 " Bar,\n" 1317 "}", 1318 Style); 1319 verifyFormat("private enum MyEnum\n" 1320 "{\n" 1321 " Foo,\n" 1322 " Bar,\n" 1323 "}", 1324 Style); 1325 verifyFormat("/* Foo */ private enum MyEnum\n" 1326 "{\n" 1327 " Foo,\n" 1328 " Bar,\n" 1329 "}", 1330 Style); 1331 verifyFormat("/* Foo */ /* Bar */ private enum MyEnum\n" 1332 "{\n" 1333 " Foo,\n" 1334 " Bar,\n" 1335 "}", 1336 Style); 1337 } 1338 1339 TEST_F(FormatTestCSharp, CSharpAfterClass) { 1340 FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); 1341 Style.BreakBeforeBraces = FormatStyle::BS_Custom; 1342 Style.BraceWrapping.AfterClass = false; 1343 1344 verifyFormat("class MyClass {\n" 1345 " int a;\n" 1346 " int b;\n" 1347 "}", 1348 Style); 1349 verifyFormat("internal class MyClass {\n" 1350 " int a;\n" 1351 " int b;\n" 1352 "}", 1353 Style); 1354 verifyFormat("public class MyClass {\n" 1355 " int a;\n" 1356 " int b;\n" 1357 "}", 1358 Style); 1359 verifyFormat("protected class MyClass {\n" 1360 " int a;\n" 1361 " int b;\n" 1362 "}", 1363 Style); 1364 verifyFormat("private class MyClass {\n" 1365 " int a;\n" 1366 " int b;\n" 1367 "}", 1368 Style); 1369 1370 verifyFormat("interface Interface {\n" 1371 " int a;\n" 1372 " int b;\n" 1373 "}", 1374 Style); 1375 verifyFormat("internal interface Interface {\n" 1376 " int a;\n" 1377 " int b;\n" 1378 "}", 1379 Style); 1380 verifyFormat("public interface Interface {\n" 1381 " int a;\n" 1382 " int b;\n" 1383 "}", 1384 Style); 1385 verifyFormat("protected interface Interface {\n" 1386 " int a;\n" 1387 " int b;\n" 1388 "}", 1389 Style); 1390 verifyFormat("private interface Interface {\n" 1391 " int a;\n" 1392 " int b;\n" 1393 "}", 1394 Style); 1395 1396 Style.BraceWrapping.AfterClass = true; 1397 1398 verifyFormat("class MyClass\n" 1399 "{\n" 1400 " int a;\n" 1401 " int b;\n" 1402 "}", 1403 Style); 1404 verifyFormat("internal class MyClass\n" 1405 "{\n" 1406 " int a;\n" 1407 " int b;\n" 1408 "}", 1409 Style); 1410 verifyFormat("public class MyClass\n" 1411 "{\n" 1412 " int a;\n" 1413 " int b;\n" 1414 "}", 1415 Style); 1416 verifyFormat("protected class MyClass\n" 1417 "{\n" 1418 " int a;\n" 1419 " int b;\n" 1420 "}", 1421 Style); 1422 verifyFormat("private class MyClass\n" 1423 "{\n" 1424 " int a;\n" 1425 " int b;\n" 1426 "}", 1427 Style); 1428 1429 verifyFormat("interface MyInterface\n" 1430 "{\n" 1431 " int a;\n" 1432 " int b;\n" 1433 "}", 1434 Style); 1435 verifyFormat("internal interface MyInterface\n" 1436 "{\n" 1437 " int a;\n" 1438 " int b;\n" 1439 "}", 1440 Style); 1441 verifyFormat("public interface MyInterface\n" 1442 "{\n" 1443 " int a;\n" 1444 " int b;\n" 1445 "}", 1446 Style); 1447 verifyFormat("protected interface MyInterface\n" 1448 "{\n" 1449 " int a;\n" 1450 " int b;\n" 1451 "}", 1452 Style); 1453 verifyFormat("private interface MyInterface\n" 1454 "{\n" 1455 " int a;\n" 1456 " int b;\n" 1457 "}", 1458 Style); 1459 verifyFormat("/* Foo */ private interface MyInterface\n" 1460 "{\n" 1461 " int a;\n" 1462 " int b;\n" 1463 "}", 1464 Style); 1465 verifyFormat("/* Foo */ /* Bar */ private interface MyInterface\n" 1466 "{\n" 1467 " int a;\n" 1468 " int b;\n" 1469 "}", 1470 Style); 1471 } 1472 1473 TEST_F(FormatTestCSharp, NamespaceIndentation) { 1474 FormatStyle Style = getMicrosoftStyle(FormatStyle::LK_CSharp); 1475 Style.NamespaceIndentation = FormatStyle::NI_None; 1476 1477 verifyFormat("namespace A\n" 1478 "{\n" 1479 "public interface Name1\n" 1480 "{\n" 1481 "}\n" 1482 "}\n", 1483 Style); 1484 1485 verifyFormat("namespace A.B\n" 1486 "{\n" 1487 "public interface Name1\n" 1488 "{\n" 1489 "}\n" 1490 "}\n", 1491 Style); 1492 1493 Style.NamespaceIndentation = FormatStyle::NI_Inner; 1494 1495 verifyFormat("namespace A\n" 1496 "{\n" 1497 "namespace B\n" 1498 "{\n" 1499 " public interface Name1\n" 1500 " {\n" 1501 " }\n" 1502 "}\n" 1503 "}\n", 1504 Style); 1505 1506 Style.NamespaceIndentation = FormatStyle::NI_All; 1507 1508 verifyFormat("namespace A.B\n" 1509 "{\n" 1510 " public interface Name1\n" 1511 " {\n" 1512 " }\n" 1513 "}\n", 1514 Style); 1515 1516 verifyFormat("namespace A\n" 1517 "{\n" 1518 " namespace B\n" 1519 " {\n" 1520 " public interface Name1\n" 1521 " {\n" 1522 " }\n" 1523 " }\n" 1524 "}\n", 1525 Style); 1526 } 1527 1528 TEST_F(FormatTestCSharp, SwitchExpression) { 1529 FormatStyle Style = getMicrosoftStyle(FormatStyle::LK_CSharp); 1530 verifyFormat("int x = a switch {\n" 1531 " 1 => (0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0),\n" 1532 " 2 => 1,\n" 1533 " _ => 2\n" 1534 "};\n", 1535 Style); 1536 } 1537 1538 TEST_F(FormatTestCSharp, EmptyShortBlock) { 1539 auto Style = getLLVMStyle(); 1540 Style.AllowShortBlocksOnASingleLine = FormatStyle::SBS_Empty; 1541 1542 verifyFormat("try {\n" 1543 " doA();\n" 1544 "} catch (Exception e) {\n" 1545 " e.printStackTrace();\n" 1546 "}\n", 1547 Style); 1548 1549 verifyFormat("try {\n" 1550 " doA();\n" 1551 "} catch (Exception e) {}\n", 1552 Style); 1553 } 1554 1555 TEST_F(FormatTestCSharp, ShortFunctions) { 1556 FormatStyle Style = getLLVMStyle(FormatStyle::LK_CSharp); 1557 Style.NamespaceIndentation = FormatStyle::NI_All; 1558 Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline; 1559 verifyFormat("interface Interface {\n" 1560 " void f() { return; }\n" 1561 "};", 1562 Style); 1563 verifyFormat("public interface Interface {\n" 1564 " void f() { return; }\n" 1565 "};", 1566 Style); 1567 verifyFormat("namespace {\n" 1568 " void f() {\n" 1569 " return;\n" 1570 " }\n" 1571 "};", 1572 Style); 1573 // "union" is not a keyword in C#. 1574 verifyFormat("namespace union {\n" 1575 " void f() {\n" 1576 " return;\n" 1577 " }\n" 1578 "};", 1579 Style); 1580 } 1581 1582 } // namespace format 1583 } // end namespace clang 1584