public void DoNullActionThrows()
{
// Fixture setup
var sut = new SutBuilder <object>().Create();
// Exercise system and verify outcome
Assert.Throws <ArgumentNullException>(() =>
sut.Do(null));
// Teardown
}
public void DoReturnsCorrectResult()
{
// Fixture setup
Action <long> expectedAction = s => { };
var sut = new SutBuilder <long>().Create();
// Exercise system
var result = sut.Do(expectedAction);
// Verify outcome
var resultingComposer = Assert.IsAssignableFrom <Composer <long> >(result);
var postprocessor = resultingComposer.Postprocessors.OfType <UnspecifiedSpecimenCommand <long> >().Single();
Assert.Equal(expectedAction, postprocessor.Action);
// Teardown
}