/// <summary>
/// Needs to be called everytime the control is made visible
/// </summary>
private void Setup(IServiceProvider serviceProvider, ExpressionViewerControl view)
{
var sourceMonitor = new SourceMonitor(serviceProvider);
var viewController = new ExpressionViewController(view);
var viewGenerator = new ViewGenerator();
Runner = new Runner(sourceMonitor, viewController, viewGenerator);
}
public void SourceMonitor_UsingBadDTEToGetSolution_DoesntFail()
{
var dte = new Mock<DTE>();
dte.SetupGet(mock => mock.Solution).Returns(() => { throw new InvalidOperationException(); } );
var serviceProvider = new Mock<IServiceProvider>();
serviceProvider.Setup(mock => mock.GetService(It.IsAny<Type>())).Returns(dte.Object);
using (var sourceMonitor = new SourceMonitor(serviceProvider.Object))
{
System.Threading.Thread.Sleep(1500);
Assert.IsNotNull(sourceMonitor.LastThreadException);
}
}
public void SourceMonitor_WhilePreviouseNotificationInProgress_ItWaits()
{
using (var sourceMonitor = new SourceMonitor(null))
{
var longHandlerEvent = new AutoResetEvent(false);
var sourceChangedEvent = new AutoResetEvent(false);
var changes = 0;
sourceMonitor.SourceChanged += (s, e) =>
{
// this is happening in a different thread
changes += 1;
sourceChangedEvent.Set();
longHandlerEvent.WaitOne();
};
sourceChangedEvent.WaitOne();
var longTimeRequiredToProcessTheEvent = 3000;
System.Threading.Thread.Sleep(longTimeRequiredToProcessTheEvent);
longHandlerEvent.Set();
Assert.AreEqual(1, changes);
}
}
public void SourceMonitor_TimerThrowsMultipleExceptions_SourceMonitorKeepsTheLastOne()
{
var exception1 = new Exception();
var exception2 = new Exception();
var sourceChanges = 0;
using (var sourceMonitor = new SourceMonitor(null))
{
sourceMonitor.SourceChanged += (s, e) =>
{
sourceChanges += 1;
throw (sourceChanges == 1) ? exception1 : exception2;
};
System.Threading.Thread.Sleep(3000);
Assert.AreEqual(exception2, sourceMonitor.LastThreadException);
}
}
public void SourceMonitor_TimerThrowsException_SourceMonitorKeepsIt()
{
var exception = new Exception();
using (var sourceMonitor = new SourceMonitor(null))
{
sourceMonitor.SourceChanged += (s, e) =>
{
throw exception;
};
System.Threading.Thread.Sleep(1500);
Assert.AreEqual(exception, sourceMonitor.LastThreadException);
}
}
public void SourceMonitor_Object_IsDisposable()
{
using (var sourceMonitor = new SourceMonitor(null))
{
Assert.IsTrue(sourceMonitor is IDisposable);
}
}
public void SourceMonitor_FromTimeToTime_TriggerSourceChanged()
{
using (var sourceMonitor = new SourceMonitor(null))
{
var changes = 0;
sourceMonitor.SourceChanged += (s, e) => changes += 1;
var arbitraryExpectedChanges = 3;
while (changes < arbitraryExpectedChanges)
{
System.Threading.Thread.Sleep(10);
}
}
}
public void SourceMonitor_AfterDisposing_DoesntTriggerSourceChanged()
{
using (var sourceMonitor = new SourceMonitor(null))
{
sourceMonitor.Dispose();
var changes = 0;
sourceMonitor.SourceChanged += (s, e) => changes += 1;
var arbitraryWaitTime = 1500;
System.Threading.Thread.Sleep(arbitraryWaitTime);
Assert.AreEqual(0, changes);
}
}