Timerix/DTLib.Demystifier
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Fixed #72

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The `type.IsDefined(typeof(CompilerGeneratedAttribute))` check removed, since it led to the exclusion of `async lambdas`.
This commit is contained in:
samtrion 2019-12-06 11:25:15 +01:00 committed by Ben Adams
parent 58dadce795
commit 4f9f191f7f
2 changed files with 76 additions and 8 deletions
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6
src/Ben.Demystifier/EnhancedStackTrace.Frames.cs
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@ -116,10 +116,10 @@ namespace System.Diagnostics
var subMethodName = method.Name;
var methodName = method.Name;
if (type != null && type.IsDefined(typeof(CompilerGeneratedAttribute)) &&
(typeof(IAsyncStateMachine).IsAssignableFrom(type) || typeof(IEnumerator).IsAssignableFrom(type)))
var isAsyncStateMachine = typeof(IAsyncStateMachine).IsAssignableFrom(type);
if (isAsyncStateMachine || typeof(IEnumerator).IsAssignableFrom(type))
{
methodDisplayInfo.IsAsync = typeof(IAsyncStateMachine).IsAssignableFrom(type);
methodDisplayInfo.IsAsync = isAsyncStateMachine;
// Convert StateMachine methods to correct overload +MoveNext()
if (!TryResolveStateMachineMethod(ref method, out type))

76
test/Ben.Demystifier.Test/MethodTests.cs
View File

@ -2,6 +2,7 @@ namespace Ben.Demystifier.Test
{
using System;
using System.Diagnostics;
using System.Threading.Tasks;
using Xunit;
public class MethodTests
@ -24,10 +25,10 @@ namespace Ben.Demystifier.Test
stackTrace = LineEndingsHelper.RemoveLineEndings(stackTrace);
var trace = string.Join(string.Empty, stackTrace.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
var expected = string.Join(string.Empty, new[] {
var expected = string.Join(string.Empty,
"System.ArgumentException: Value does not fall within the expected range.",
" at bool Ben.Demystifier.Test.MethodTests.MethodWithNullableInt(int? number)",
" at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithNullableInt()"});
" at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithNullableInt()");
Assert.Equal(expected, trace);
}
@ -50,10 +51,65 @@ namespace Ben.Demystifier.Test
stackTrace = LineEndingsHelper.RemoveLineEndings(stackTrace);
var trace = string.Join(string.Empty, stackTrace.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
var expected = string.Join(string.Empty, new[] {
var expected = string.Join(string.Empty,
"System.ArgumentException: Value does not fall within the expected range.",
" at bool Ben.Demystifier.Test.MethodTests.MethodWithDynamic(dynamic value)",
" at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithDynamic()"});
" at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithDynamic()");
Assert.Equal(expected, trace);
}
[Fact]
public void DemistifiesMethodWithLambda()
{
Exception dex = null;
try
{
MethodWithLambda();
}
catch (Exception e)
{
dex = e.Demystify();
}
// Assert
var stackTrace = dex.ToString();
stackTrace = LineEndingsHelper.RemoveLineEndings(stackTrace);
var trace = string.Join(string.Empty, stackTrace.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
var expected = string.Join(string.Empty,
"System.ArgumentException: Value does not fall within the expected range.",
" at void Ben.Demystifier.Test.MethodTests.MethodWithLambda()+() => { }",
" at void Ben.Demystifier.Test.MethodTests.MethodWithLambda()",
" at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithLambda()");
Assert.Equal(expected, trace);
}
[Fact]
public void DemistifiesMethodWithAsyncLambda()
{
Exception dex = null;
try
{
MethodWithAsyncLambda();
}
catch (Exception e)
{
dex = e.Demystify();
}
// Assert
var stackTrace = dex.ToString();
stackTrace = LineEndingsHelper.RemoveLineEndings(stackTrace);
var trace = string.Join(string.Empty, stackTrace.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
var expected = string.Join(string.Empty,
"System.ArgumentException: Value does not fall within the expected range.",
" at async void Ben.Demystifier.Test.MethodTests.MethodWithAsyncLambda()+(?) => { }",
" at void Ben.Demystifier.Test.MethodTests.MethodWithAsyncLambda()",
" at void Ben.Demystifier.Test.MethodTests.DemistifiesMethodWithAsyncLambda()");
Assert.Equal(expected, trace);
}
@ -61,5 +117,17 @@ namespace Ben.Demystifier.Test
private bool MethodWithNullableInt(int? number) => throw new ArgumentException();
private bool MethodWithDynamic(dynamic value) => throw new ArgumentException();
private void MethodWithLambda()
{
Action action = () => throw new ArgumentException();
action();
}
private void MethodWithAsyncLambda()
{
Func<Task> action = async () => throw new ArgumentException();
action().ConfigureAwait(false).GetAwaiter().GetResult();
}
}
}