public void TestResult()
{
AsyncResult result;
// null result
result = new AsyncResult(null, null);
Assert.IsFalse(result.IsFaulted);
result.Complete(null);
Assert.AreEqual(result.GetResult(), null);
Assert.AreEqual(result.GetResult<String>(), null);
Assert.IsTrue(result.IsCompleted);
Assert.IsFalse(result.IsFaulted);
// non-null result
result = new AsyncResult(null, null);
Assert.IsFalse(result.IsFaulted);
result.Complete("complete");
Assert.AreEqual(result.GetResult(), "complete");
Assert.AreEqual(result.GetResult<String>(), "complete");
try
{
result.GetResult<Int32>();
Assert.Fail("InvalidCastException expected");
}
catch (InvalidCastException) { }
Assert.IsTrue(result.IsCompleted);
Assert.IsFalse(result.IsFaulted);
// exception result
result = new AsyncResult(null, null);
Assert.IsFalse(result.IsFaulted);
result.Complete(null, new Exception("exception"));
try
{
result.GetResult();
Assert.Fail("Exception expected");
}
catch (Exception e)
{
Assert.AreEqual(e.Message, "exception");
}
Assert.IsTrue(result.IsCompleted);
Assert.IsTrue(result.IsFaulted);
// exception with typed result
result = new AsyncResult(null, null);
Assert.IsFalse(result.IsFaulted);
result.Complete("complete", new Exception("exception"));
try
{
result.GetResult<String>();
Assert.Fail("Exception expected");
}
catch (Exception e)
{
Assert.AreEqual(e.Message, "exception");
}
Assert.IsTrue(result.IsCompleted);
Assert.IsTrue(result.IsFaulted);
// exception with invalid typed result
result = new AsyncResult(null, null);
Assert.IsFalse(result.IsFaulted);
result.Complete("complete", new Exception("exception"));
try
{
result.GetResult<Int32>();
Assert.Fail("Exception expected");
}
catch (Exception e)
{
Assert.AreEqual(e.Message, "exception");
}
Assert.IsTrue(result.IsCompleted);
Assert.IsTrue(result.IsFaulted);
}
