public void SutYieldsCorrectSequence()
{
// Fixture setup
var dummyWriter = TextWriter.Null;
var expected = new DelegatingSpecimenBuilder();
var tracer = new DelegatingTracingBuilder(expected);
var sut = new TraceWriter(dummyWriter, tracer);
// Exercise system
// Verify outcome
Assert.Equal(expected, sut.Single());
Assert.Equal(expected, ((System.Collections.IEnumerable)sut).Cast<object>().Single());
// Teardown
}
