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Diffstat (limited to 'clang/unittests/Format/FormatTestCSharp.cpp')
| -rw-r--r-- | clang/unittests/Format/FormatTestCSharp.cpp | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/clang/unittests/Format/FormatTestCSharp.cpp b/clang/unittests/Format/FormatTestCSharp.cpp new file mode 100644 index 00000000000..801adb28bd9 --- /dev/null +++ b/clang/unittests/Format/FormatTestCSharp.cpp @@ -0,0 +1,184 @@ +//===- unittest/Format/FormatTestCSharp.cpp - Formatting tests for CSharp -===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "FormatTestUtils.h" +#include "clang/Format/Format.h" +#include "llvm/Support/Debug.h" +#include "gtest/gtest.h" + +#define DEBUG_TYPE "format-test" + +namespace clang { +namespace format { + +class FormatTestCSharp : public ::testing::Test { +protected: + static std::string format(llvm::StringRef Code, unsigned Offset, + unsigned Length, const FormatStyle &Style) { + LLVM_DEBUG(llvm::errs() << "---\n"); + LLVM_DEBUG(llvm::errs() << Code << "\n\n"); + std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length)); + tooling::Replacements Replaces = reformat(Style, Code, Ranges); + auto Result = applyAllReplacements(Code, Replaces); + EXPECT_TRUE(static_cast<bool>(Result)); + LLVM_DEBUG(llvm::errs() << "\n" << *Result << "\n\n"); + return *Result; + } + + static std::string + format(llvm::StringRef Code, + const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_CSharp)) { + return format(Code, 0, Code.size(), Style); + } + + static FormatStyle getStyleWithColumns(unsigned ColumnLimit) { + FormatStyle Style = getGoogleStyle(FormatStyle::LK_CSharp); + Style.ColumnLimit = ColumnLimit; + return Style; + } + + static void verifyFormat( + llvm::StringRef Code, + const FormatStyle &Style = getGoogleStyle(FormatStyle::LK_CSharp)) { + EXPECT_EQ(Code.str(), format(Code, Style)) << "Expected code is not stable"; + EXPECT_EQ(Code.str(), format(test::messUp(Code), Style)); + } +}; + +TEST_F(FormatTestCSharp, CSharpClass) { + verifyFormat("public class SomeClass {\n" + " void f() {}\n" + " int g() { return 0; }\n" + " void h() {\n" + " while (true) f();\n" + " for (;;) f();\n" + " if (true) f();\n" + " }\n" + "}"); +} + +TEST_F(FormatTestCSharp, AccessModifiers) { + verifyFormat("public String toString() {}"); + verifyFormat("private String toString() {}"); + verifyFormat("protected String toString() {}"); + verifyFormat("internal String toString() {}"); + + verifyFormat("public override String toString() {}"); + verifyFormat("private override String toString() {}"); + verifyFormat("protected override String toString() {}"); + verifyFormat("internal override String toString() {}"); + + verifyFormat("internal static String toString() {}"); +} + +TEST_F(FormatTestCSharp, NoStringLiteralBreaks) { + verifyFormat("foo(" + "\"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaa\");"); +} + +TEST_F(FormatTestCSharp, CSharpVerbatiumStringLiterals) { + verifyFormat("foo(@\"aaaaaaaa\\abc\\aaaa\");"); + // @"ABC\" + ToString("B") - handle embedded \ in literal string at + // the end + // + /* + * After removal of Lexer change we are currently not able + * To handle these cases + verifyFormat("string s = @\"ABC\\\" + ToString(\"B\");"); + verifyFormat("string s = @\"ABC\"\"DEF\"\"GHI\""); + verifyFormat("string s = @\"ABC\"\"DEF\"\"\""); + verifyFormat("string s = @\"ABC\"\"DEF\"\"\" + abc"); + */ +} + +TEST_F(FormatTestCSharp, CSharpInterpolatedStringLiterals) { + verifyFormat("foo($\"aaaaaaaa{aaa}aaaa\");"); + verifyFormat("foo($\"aaaa{A}\");"); + verifyFormat( + "foo($\"aaaa{A}" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\");"); + verifyFormat("Name = $\"{firstName} {lastName}\";"); + + // $"ABC\" + ToString("B") - handle embedded \ in literal string at + // the end + verifyFormat("string s = $\"A{abc}BC\" + ToString(\"B\");"); + verifyFormat("$\"{domain}\\\\{user}\""); + verifyFormat( + "var verbatimInterpolated = $@\"C:\\Users\\{userName}\\Documents\\\";"); +} + +TEST_F(FormatTestCSharp, CSharpFatArrows) { + verifyFormat("Task serverTask = Task.Run(async() => {"); + verifyFormat("public override string ToString() => \"{Name}\\{Age}\";"); +} + +TEST_F(FormatTestCSharp, CSharpNullConditional) { + verifyFormat( + "public Person(string firstName, string lastName, int? age=null)"); + + verifyFormat("switch(args?.Length)"); + + verifyFormat("public static void Main(string[] args) { string dirPath " + "= args?[0]; }"); +} + +TEST_F(FormatTestCSharp, Attributes) { + verifyFormat("[STAThread]\n" + "static void\n" + "Main(string[] args) {}"); + + verifyFormat("[TestMethod]\n" + "private class Test {}"); + + verifyFormat("[TestMethod]\n" + "protected class Test {}"); + + verifyFormat("[TestMethod]\n" + "internal class Test {}"); + + verifyFormat("[TestMethod]\n" + "class Test {}"); + + verifyFormat("[TestMethod]\n" + "[DeploymentItem(\"Test.txt\")]\n" + "public class Test {}"); + + verifyFormat("[System.AttributeUsage(System.AttributeTargets.Method)]\n" + "[System.Runtime.InteropServices.ComVisible(true)]\n" + "public sealed class STAThreadAttribute : Attribute {}"); + + verifyFormat("[Verb(\"start\", HelpText = \"Starts the server listening on " + "provided port\")]\n" + "class Test {}"); + + verifyFormat("[TestMethod]\n" + "public string Host {\n set;\n get;\n}"); + + verifyFormat("[TestMethod(\"start\", HelpText = \"Starts the server " + "listening on provided host\")]\n" + "public string Host {\n set;\n get;\n}"); +} + +TEST_F(FormatTestCSharp, CSharpRegions) { + verifyFormat("#region aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaa " + "aaaaaaaaaaaaaaa long region"); +} + +TEST_F(FormatTestCSharp, CSharpKeyWordEscaping) { + verifyFormat("public enum var { none, @string, bool, @enum }"); +} + +TEST_F(FormatTestCSharp, CSharpNullCoalescing) { + verifyFormat("var test = ABC ?? DEF"); + verifyFormat("string myname = name ?? \"ABC\";"); + verifyFormat("return _name ?? \"DEF\";"); +} + +} // namespace format +} // end namespace clang |
