import spock.lang.Specification

class ModelTypesTest extends Specification {
    def "collects type hierarchy of #types.simpleName to #closed.simpleName"() {
        expect:
        ModelTypes.collectHierarchy(types.collect { ModelType.of(it) }) == (closed.collect { ModelType.of(it) } as Set)

        where:
        types             | closed
        [Integer]         | typeHierarchyForInteger

        }
        return builder.build();
    }

    /**
     * Collect all types that make up the type hierarchy of the given types.
     */
    public static Set<ModelType<?>> collectHierarchy(Iterable<? extends ModelType<?>> types) {
        Queue<ModelType<?>> queue = new ArrayDeque<ModelType<?>>(Iterables.size(types) * 2);
        Iterables.addAll(queue, types);

                        viewsToImplement.add(ModelType.of(type));
                    }
                    return TypeVisitResult.CONTINUE;
                }
            });
        }
        return ModelTypes.collectHierarchy(viewsToImplement);
    }