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