public void ComposeAddsReturnedObjectToDisposables()
 {
     // Fixture setup
     var dummy = new DelegatingSpecimenBuilder();
     var sut = new DisposableTracker(dummy);
     // Exercise system
     var dummies = new ISpecimenBuilder[0];
     var actual = sut.Compose(dummies);
     // Verify outcome
     Assert.True(
         sut.Disposables.Any(actual.Equals),
         "Returned value not added to disposables.");
     // Teardown
 }
 public void ComposeReturnsCorrectResult()
 {
     // Fixture setup
     var dummyBuilder = new DelegatingSpecimenBuilder();
     var sut = new DisposableTracker(dummyBuilder);
     // Exercise system
     var expectedBuilders = new[]
     {
         new DelegatingSpecimenBuilder(),
         new DelegatingSpecimenBuilder(),
         new DelegatingSpecimenBuilder()
     };
     var actual = sut.Compose(expectedBuilders);
     // Verify outcome
     var dt = Assert.IsAssignableFrom<DisposableTracker>(actual);
     var composite = Assert.IsAssignableFrom<CompositeSpecimenBuilder>(dt.Builder);
     Assert.True(expectedBuilders.SequenceEqual(composite));
     // Teardown
 }
 public void ComposeSingleItemReturnsCorrectResult()
 {
     // Fixture setup
     var dummyBuilder = new DelegatingSpecimenBuilder();
     var sut = new DisposableTracker(dummyBuilder);
     // Exercise system
     var expected = new DelegatingSpecimenBuilder();
     var actual = sut.Compose(new[] { expected });
     // Verify outcome
     var dt = Assert.IsAssignableFrom<DisposableTracker>(actual);
     Assert.Equal(expected, dt.Builder);
     // Teardown
 }