public void calls_listener_start_section()
{
var context = new TestContext(x => x.AddFixture<MathFixture>());
var listener = MockRepository.GenerateMock<ITestObserver>();
context.Listener = listener;
listener.Expect(x => x.CanContinue(null)).Return(true).IgnoreArguments().Repeat.Any();
var section = new Section("Math");
context.CallOn<ITestVisitor>(x => x.StartSection(section));
listener.AssertWasCalled(x => x.StartSection(section));
}