93 lines
3.5 KiB
C#
93 lines
3.5 KiB
C#
using System;
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using System.Diagnostics;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using Xunit;
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namespace Demystify
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{
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public class NonThrownException
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{
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[Fact]
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public async Task DoesNotPreventThrowStackTrace()
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{
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// Arrange
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Exception innerException = null;
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try
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{
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await Task.Run(() => throw new Exception()).ConfigureAwait(false);
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}
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catch(Exception ex)
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{
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innerException = ex;
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}
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// Act
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Exception demystifiedException = new Exception(innerException.Message, innerException).Demystify();
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// Assert
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var stackTrace = demystifiedException.ToString();
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stackTrace = ReplaceLineEndings.Replace(stackTrace, "");
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var trace = stackTrace.Split(Environment.NewLine);
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Assert.Equal(
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new[] {
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"System.Exception: Exception of type 'System.Exception' was thrown. ---> System.Exception: Exception of type 'System.Exception' was thrown.",
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" at Task Demystify.NonThrownException.DoesNotPreventThrowStackTrace()+()=>{}",
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" at void System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, object state)",
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" at async Task Demystify.NonThrownException.DoesNotPreventThrowStackTrace()",
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" --- End of inner exception stack trace ---"},
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trace);
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// Act
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try
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{
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throw demystifiedException;
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}
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catch (Exception ex)
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{
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demystifiedException = ex.Demystify();
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}
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// Assert
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stackTrace = demystifiedException.ToString();
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stackTrace = ReplaceLineEndings.Replace(stackTrace, "");
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trace = stackTrace.Split(Environment.NewLine);
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Assert.Equal(
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new[] {
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"System.Exception: Exception of type 'System.Exception' was thrown. ---> System.Exception: Exception of type 'System.Exception' was thrown.",
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" at Task Demystify.NonThrownException.DoesNotPreventThrowStackTrace()+()=>{}",
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" at void System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, object state)",
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" at async Task Demystify.NonThrownException.DoesNotPreventThrowStackTrace()",
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" --- End of inner exception stack trace ---",
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" at async Task Demystify.NonThrownException.DoesNotPreventThrowStackTrace()"
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},
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trace);
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}
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[Fact]
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public async Task Current()
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{
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// Arrange
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EnhancedStackTrace est = null;
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// Act
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await Task.Run(() => est = EnhancedStackTrace.Current()).ConfigureAwait(false);
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// Assert
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var stackTrace = est.ToString();
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stackTrace = ReplaceLineEndings.Replace(stackTrace, "");
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var trace = stackTrace.Split(Environment.NewLine);
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Assert.Equal(
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new[] {
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" at void System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, object state)",
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" at bool System.Threading.ThreadPoolWorkQueue.Dispatch()"},
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trace);
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}
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private Regex ReplaceLineEndings = new Regex(" in [^\n\r]+");
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}
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}
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