public void TransformNullBuilderThrows()
{
// Fixture setup
var sut = new TracingBehavior();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(() =>
sut.Transform(null));
// Teardown
}
public void TransformReturnsCorrectResult()
{
// Fixture setup
var sut = new TracingBehavior();
var builder = new DelegatingSpecimenBuilder();
// Exercise system
var result = sut.Transform(builder);
// Verify outcome
var tw = Assert.IsAssignableFrom<TraceWriter>(result);
Assert.Equal(builder, tw.Tracer.Builder);
// Teardown
}
