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C# CodeFixProvider.ComputeFixesAsync方法代码示例

本文整理汇总了C#中Microsoft.CodeAnalysis.CodeFixes.CodeFixProvider.ComputeFixesAsync方法的典型用法代码示例。如果您正苦于以下问题:C# CodeFixProvider.ComputeFixesAsync方法的具体用法?C# CodeFixProvider.ComputeFixesAsync怎么用?C# CodeFixProvider.ComputeFixesAsync使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Microsoft.CodeAnalysis.CodeFixes.CodeFixProvider的用法示例。


在下文中一共展示了CodeFixProvider.ComputeFixesAsync方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: VerifyFix

        /// <summary>
        /// General verifier for codefixes.
        /// Creates a Document from the source string, then gets diagnostics on it and applies the relevant codefixes.
        /// Then gets the string after the codefix is applied and compares it with the expected result.
        /// Note: If any codefix causes new diagnostics to show up, the test fails unless allowNewCompilerDiagnostics is set to true.
        /// </summary>
        /// <param name="language">The language the source code is in</param>
        /// <param name="analyzer">The analyzer to be applied to the source code</param>
        /// <param name="codeFixProvider">The codefix to be applied to the code wherever the relevant Diagnostic is found</param>
        /// <param name="oldSource">A class in the form of a string before the CodeFix was applied to it</param>
        /// <param name="newSource">A class in the form of a string after the CodeFix was applied to it</param>
        /// <param name="codeFixIndex">Index determining which codefix to apply if there are multiple</param>
        /// <param name="allowNewCompilerDiagnostics">A bool controlling whether or not the test will fail if the CodeFix introduces other warnings after being applied</param>
        private void VerifyFix(string language, DiagnosticAnalyzer analyzer, CodeFixProvider codeFixProvider, string oldSource, string newSource, int? codeFixIndex, bool allowNewCompilerDiagnostics)
        {
            var document = CreateDocument(oldSource, language);
            var analyzerDiagnostics = GetSortedDiagnosticsFromDocuments(analyzer, new[] { document });
            var compilerDiagnostics = GetCompilerDiagnostics(document);
            var attempts = analyzerDiagnostics.Length;

            for (int i = 0; i < attempts; ++i)
            {
                var actions = new List<CodeAction>();
                var context = new CodeFixContext(document, analyzerDiagnostics[0], (a, d) => actions.Add(a), CancellationToken.None);
                codeFixProvider.ComputeFixesAsync(context).Wait();

                if (!actions.Any())
                {
                    break;
                }

                if (codeFixIndex != null)
                {
                    document = ApplyFix(document, actions.ElementAt((int)codeFixIndex));
                    break;
                }

                document = ApplyFix(document, actions.ElementAt(0));
                analyzerDiagnostics = GetSortedDiagnosticsFromDocuments(analyzer, new[] { document });

                var newCompilerDiagnostics = GetNewDiagnostics(compilerDiagnostics, GetCompilerDiagnostics(document));

                //check if applying the code fix introduced any new compiler diagnostics
                if (!allowNewCompilerDiagnostics && newCompilerDiagnostics.Any())
                {
                    // Format and get the compiler diagnostics again so that the locations make sense in the output
                    document = document.WithSyntaxRoot(Formatter.Format(document.GetSyntaxRootAsync().Result, Formatter.Annotation, document.Project.Solution.Workspace));
                    newCompilerDiagnostics = GetNewDiagnostics(compilerDiagnostics, GetCompilerDiagnostics(document));

                    Assert.IsTrue(false,
                        string.Format("Fix introduced new compiler diagnostics:\r\n{0}\r\n\r\nNew document:\r\n{1}\r\n",
                            string.Join("\r\n", newCompilerDiagnostics.Select(d => d.ToString())),
                            document.GetSyntaxRootAsync().Result.ToFullString()));
                }

                //check if there are analyzer diagnostics left after the code fix
                if (!analyzerDiagnostics.Any())
                {
                    break;
                }
            }

            //after applying all of the code fixes, compare the resulting string to the inputted one
            var actual = GetStringFromDocument(document);
            Assert.AreEqual(newSource, actual);
        }
开发者ID:calebjenkins,项目名称:DotNetAnalyzers,代码行数:66,代码来源:CodeFixVerifier.cs


注:本文中的Microsoft.CodeAnalysis.CodeFixes.CodeFixProvider.ComputeFixesAsync方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。