public void TestInterception()
{
List <ExceptionNotification> Received = new List <ExceptionNotification>();
var src = new TestSource
{
ExceptionHandler = (o, a) => Received.Add(a)
};
src.Test("Unintercepted");
Assert.AreEqual(1, Received.Count());
Assert.IsTrue(Received.All(r => r.Message == "Unintercepted"));
string intercepted = null;
using (src.Catch((_, args) => intercepted = args.Message))
{
src.Test("Intercepted-true");
}
Assert.AreEqual("Intercepted-true", intercepted);
Assert.AreEqual(1, Received.Count()); // since we've intercepted
Assert.IsFalse(Received.Any(r => r.Message == "Intercepted-true"));
src.Test("Unintercepted2");
Assert.AreEqual("Intercepted-true", intercepted); // should not have intercepted anymore
Assert.AreEqual(2, Received.Count()); // original sink remains active
Assert.AreEqual("Unintercepted2", Received.Last().Message);
}
public void TestRaiseOrThrow()
{
var src = new TestSource
{
ExceptionHandler = (o, a) => { }
};
src.Test("Bla");
// should continue;
src.ExceptionHandler = null;
try
{
src.Test("Fail!!!!");
Assert.Fail("Should have thrown");
}
catch (FormatException)
{
// ok!
}
}
public void TestInterceptionWhenNoSink()
{
var src = new TestSource
{
ExceptionHandler = null // that's the point
};
string intercepted = null;
using (src.Catch((_, args) => intercepted = args.Message))
{
src.Test("Intercepted-true");
}
Assert.AreEqual("Intercepted-true", intercepted);
}
