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// ***********************************************************************
// Author:
// Alexander Kyte <alexander.kyte@xamarin.com>
//
// Copyright (c) 2016 Xamarin, Inc
//
// 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.Diagnostics;
using System.Threading;
using NUnit.Framework.Api;
using System.Collections.Generic;
namespace NUnit.Framework.Internal
{
public class FinallyDelegate
{
// If our test spawns a thread that throws, we will bubble
// up to the top level. To handle this, we need to have the
// failure logic in a place that can be called from the top level.
// The UnhandledException callback should run on a thread that isn't
// the one dispatching the tests so this should work to ensure
// progress in the face of exceptions on other threads
//
// Essentially this is a poor-man's finally clause that's
// guaranteed to run because we pin it to the UnhandledException
// callback
// Because of CompositeWorkItem, we have a runtime stack of work items
// so we need a stack of finally delegate continuations
Stack<Tuple<TestExecutionContext, long, TestResult>> testStack;
public FinallyDelegate () {
this.testStack = new Stack<Tuple<TestExecutionContext, long, TestResult>>();
}
public void Set (TestExecutionContext context, long startTicks, TestResult result) {
var frame = new Tuple<TestExecutionContext, long, TestResult>(context, startTicks, result);
this.testStack.Push(frame);
}
public void HandleUnhandledExc (Exception ex) {
TestExecutionContext context = this.testStack.Peek().Item1;
context.CurrentResult.RecordException(ex);
context.CurrentResult.ThreadCrashFail = true;
}
public void Complete () {
var frame = this.testStack.Pop();
TestExecutionContext context = frame.Item1;
long startTicks = frame.Item2;
TestResult result = frame.Item3;
#if (CLR_2_0 || CLR_4_0) && !SILVERLIGHT && !NETCF_2_0
long tickCount = Stopwatch.GetTimestamp() - startTicks;
double seconds = (double)tickCount / Stopwatch.Frequency;
result.Duration = TimeSpan.FromSeconds(seconds);
#else
result.Duration = DateTime.Now - Context.StartTime;
#endif
result.AssertCount = context.AssertCount;
context.Listener.TestFinished(result);
context = context.Restore();
context.AssertCount += result.AssertCount;
}
}
}
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