/ICSharpCode.Decompiler/Tests/DecompilerTestBase.cs
http://github.com/icsharpcode/ILSpy · C# · 89 lines · 64 code · 8 blank · 17 comment · 2 complexity · 0638d26e65534a8032285c2443f1781e MD5 · raw file
- // Copyright (c) AlphaSierraPapa for the SharpDevelop Team
- //
- // Permission is hereby granted, free of charge, to any person obtaining a copy of this
- // software and associated documentation files (the "Software"), to deal in the Software
- // without restriction, including without limitation the rights to use, copy, modify, merge,
- // publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
- // to whom the Software is furnished to do so, subject to the following conditions:
- //
- // The above copyright notice and this permission notice shall be included in all copies or
- // substantial portions of the Software.
- //
- // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
- // INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
- // FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- // DEALINGS IN THE SOFTWARE.
- using System;
- using System.CodeDom.Compiler;
- using System.Collections.Generic;
- using System.IO;
- using System.Linq;
- using System.Text;
- using ICSharpCode.Decompiler.Ast;
- using ICSharpCode.Decompiler.Tests.Helpers;
- using Microsoft.CSharp;
- using Mono.Cecil;
- using NUnit.Framework;
- namespace ICSharpCode.Decompiler.Tests
- {
- public abstract class DecompilerTestBase
- {
- protected static void ValidateFileRoundtrip(string samplesFileName)
- {
- var fullPath = Path.Combine(@"..\..\Tests", samplesFileName);
- AssertRoundtripCode(fullPath);
- }
- static string RemoveIgnorableLines(IEnumerable<string> lines)
- {
- return CodeSampleFileParser.ConcatLines(lines.Where(l => !CodeSampleFileParser.IsCommentOrBlank(l)));
- }
- protected static void AssertRoundtripCode(string fileName, bool optimize = false, bool useDebug = false, int compilerVersion = 4)
- {
- var code = RemoveIgnorableLines(File.ReadLines(fileName));
- AssemblyDefinition assembly = CompileLegacy(code, optimize, useDebug, compilerVersion);
- AstBuilder decompiler = new AstBuilder(new DecompilerContext(assembly.MainModule));
- decompiler.AddAssembly(assembly);
- new Helpers.RemoveCompilerAttribute().Run(decompiler.SyntaxTree);
- StringWriter output = new StringWriter();
- decompiler.GenerateCode(new PlainTextOutput(output));
- CodeAssert.AreEqual(code, output.ToString());
- }
- protected static AssemblyDefinition CompileLegacy(string code, bool optimize, bool useDebug, int compilerVersion)
- {
- CSharpCodeProvider provider = new CSharpCodeProvider(new Dictionary<string, string> { { "CompilerVersion", "v" + new Version(compilerVersion, 0) } });
- CompilerParameters options = new CompilerParameters();
- options.CompilerOptions = "/unsafe /o" + (optimize ? "+" : "-") + (useDebug ? " /debug" : "");
- if (compilerVersion >= 4)
- options.ReferencedAssemblies.Add("System.Core.dll");
- CompilerResults results = provider.CompileAssemblyFromSource(options, code);
- try
- {
- if (results.Errors.Count > 0)
- {
- StringBuilder b = new StringBuilder("Compiler error:");
- foreach (var error in results.Errors)
- {
- b.AppendLine(error.ToString());
- }
- throw new Exception(b.ToString());
- }
- return AssemblyDefinition.ReadAssembly(results.PathToAssembly);
- }
- finally
- {
- File.Delete(results.PathToAssembly);
- results.TempFiles.Delete();
- }
- }
- }
- }