Пример #1
0
void Tasktest::test_sequence()
{
    m_task->nextTick(1.5);

    Atlas::Message::Element val;
    m_task->getAttr("foo", val);
    assert(val.isNone());
    m_task->setAttr("foo", 1);
    m_task->getAttr("foo", val);
    assert(val.isInt());

    assert(!m_task->obsolete());

    OpVector res;

    assert(res.empty());

    Atlas::Objects::Operation::Generic c;
    c->setParents(std::list<std::string>(1, "generic"));

    m_task->initTask(c, res);

    Operation op;

    m_task->operation(op, res);

    m_task->irrelevant();

    assert(m_task->obsolete());
}
Пример #2
0
int main()
{
    int ret = 0;

    Operation op;

    {
        Task * task;
        OpVector res;

        if (0) {
            task->TickOperation(op, res);
        }
    }

    Entity ent1("1", 1), ent2("2", 2);
    Character chr("3", 3);

    {
        Fell fell(chr, ent1, ent2);

        fell.nextTick(1.5);

        Atlas::Message::Element val;
        fell.getAttr("foo", val);
        assert(val.isNone());
        fell.setAttr("foo", 1);
        fell.getAttr("foo", val);
        assert(val.isInt());

        assert(!fell.obsolete());

        OpVector res;

        assert(res.empty());

        Atlas::Objects::Operation::Generic c;

        fell.initTask(c, res);

        assert(!res.empty());

        fell.TickOperation(op, res);

        fell.irrelevant();

        assert(fell.obsolete());
    }

    return ret;
}
Пример #3
0
Py::Object CyPy_Element::wrap(Atlas::Message::Element value)
{
    if (value.isNone()) {
        return Py::None();
    } else if (value.isString()) {
        return Py::String(value.String());
    } else if (value.isInt()) {
        return Py::Long(value.Int());
    } else if (value.isFloat()) {
        return Py::Float(value.Float());
    } else if (value.isList()) {
        return CyPy_ElementList::wrap(value.List());
    } else {
        return CyPy_ElementMap::wrap(value.Map());
    }
}
Пример #4
0
void EntityImporterBase::start(const std::string& filename)
{
    S_LOG_VERBOSE("Starting import from " << filename);
    auto factories = Atlas::Objects::Factories::instance();

    auto rootObj = loadFromFile(filename);

    if (!rootObj.isValid()) {
        EventCompleted.emit();
        return;
    }
    Atlas::Message::Element metaElem;
    Atlas::Message::Element entitiesElem;
    Atlas::Message::Element mindsElem;
    Atlas::Message::Element rulesElem;
    rootObj->copyAttr("meta", metaElem);
    rootObj->copyAttr("entities", entitiesElem);
    rootObj->copyAttr("minds", mindsElem);
    if (rootObj->copyAttr("rules", rulesElem) == 0) {
        if (!rulesElem.isList()) {
            S_LOG_WARNING("Rules element is not list.");
            EventCompleted.emit();
            return;
        } else {
            for (auto& ruleMessage : rulesElem.asList()) {
                if (ruleMessage.isMap()) {
                    auto object = factories->createObject(ruleMessage.asMap());
                    if (object.isValid()) {
                        if (!object->isDefaultId()) {
                            mPersistedRules.insert(std::make_pair(object->getId(), object));
                        }
                    }
                }
            }

        }
    }

    if (!entitiesElem.isNone() && !entitiesElem.isList()) {
        S_LOG_WARNING("Entities element is not list.");
        EventCompleted.emit();
        return;
    }
    if (!mindsElem.isNone() && !mindsElem.isList()) {
        S_LOG_WARNING("Minds element is not list.");
        EventCompleted.emit();
        return;
    }

    if (!entitiesElem.isNone()) {
        for (auto& entityMessage : entitiesElem.asList()) {
            if (entityMessage.isMap()) {
                auto& entityMap = entityMessage.asMap();
                auto object = factories->createObject(entityMap);
                if (object.isValid()) {
                    if (!object->isDefaultId()) {
                        registerEntityReferences(object->getId(), entityMap);
                        mPersistedEntities.insert(std::make_pair(object->getId(), object));
                    }
                }
            }
        }
    }

    //If we should resume the world, check if the world has a "suspended" property,
    //and disable it if so.
    if (mResumeWorld) {
        auto I = mPersistedEntities.find("0");
        if (I != mPersistedEntities.end()) {
            if (I->second->hasAttr("suspended")) {
                I->second->setAttr("suspended", 0);
                S_LOG_INFO("Resuming suspended world.");
            }
        }
    }
    if (!mindsElem.isNone()) {
        for (auto& mindMessage : mindsElem.asList()) {
            if (mindMessage.isMap()) {
                auto object = factories->createObject(mindMessage.asMap());
                if (object.isValid()) {
                    if (!object->isDefaultId()) {
                        mPersistedMinds.insert(std::make_pair(object->getId(), object));
                    }
                }
            }
        }
    }

    S_LOG_INFO("Starting loading of world. Number of entities: " << mPersistedEntities.size() << " Number of minds: " << mPersistedMinds.size() << " Number of rules: " << mPersistedRules.size());
    mStats.entitiesCount = static_cast<unsigned int>(mPersistedEntities.size());
    mStats.mindsCount = static_cast<unsigned int>(mPersistedMinds.size());
    mStats.rulesCount = static_cast<unsigned int>(mPersistedRules.size());

    EventProgress.emit();

    if (mPersistedRules.empty()) {
        startEntityWalking();
    } else {
        startRuleWalking();
    }

}
Пример #5
0
int main()
{
    // Test constructor
    {
        new LocatedEntityTest("1", 1);
    }

    // Test destructor
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        delete e;
    }

    // Test checkRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        assert(e->checkRef() == 0);
        delete e;
    }

    // Test incRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->incRef();
        assert(e->checkRef() == 1);
        delete e;
    }

    // Test decRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->incRef();
        e->decRef();
        assert(e->checkRef() == 0);
        delete e;
    }

    // Test decRef()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->decRef();
        // Enitity deleted - verified as not leaked
    }

    // Test setAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->setAttr("foo", "bar");
        e->decRef();
    }
    
    // Test setAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);

        e->setAttr("foo", "bar");
        e->setAttr("foo", 23);
        e->decRef();
    }

    // Test getAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttr("foo", val);
        assert(ret == -1);
        assert(val.isNone());
        e->decRef();
    }

    // Test getAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        e->setAttr("foo", "bar");
        int ret = e->getAttr("foo", val);
        assert(ret == 0);
        assert(val.isString());
        e->decRef();
    }

    // Test getAttrType()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttrType("foo", val, Element::TYPE_STRING);
        assert(ret == -1);
        assert(val.isNone());
        e->decRef();
    }

    // Test getAttrType()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttrType("id", val, Element::TYPE_STRING);
        assert(ret == 0);
        assert(val.isString());
        e->decRef();
    }

    // Test getAttrType()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        int ret = e->getAttrType("id", val, Element::TYPE_FLOAT);
        assert(ret != 0);
        assert(val.isString());
        e->decRef();
    }

    // Test hasAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        bool ret = e->hasAttr("foo");
        assert(ret == false);
        e->decRef();
    }

    // Test hasAttr()
    {
        LocatedEntityTest * e = new LocatedEntityTest("1", 1);
        Atlas::Message::Element val;

        e->setAttr("foo", "bar");
        bool ret = e->hasAttr("foo");
        assert(ret == true);
        e->decRef();
    }

    LocatedEntitytest t;

    return t.run();
}
Пример #6
0
Py::Object CyPy_Task::getattro(const Py::String& name)
{
    auto nameStr = name.as_string();
    if (nameStr == "usage") {
        return CyPy_UsageInstance::wrap(m_value->m_usageInstance);
    }
    if (nameStr == "actor") {
        return CyPy_LocatedEntity::wrap(m_value->m_usageInstance.actor);
    }
    if (nameStr == "tool") {
        return CyPy_LocatedEntity::wrap(m_value->m_usageInstance.tool);
    }
//    if (nameStr == "targets") {
//        Py::List list(m_value->m_usageInstance.targets.size());
//        for (size_t i = 0; i < m_value->m_usageInstance.targets.size(); ++i) {
//            list[i] = CyPy_EntityLocation::wrap(m_value->m_usageInstance.targets[i]);
//        }
//        return list;
//    }
//    if (nameStr == "consumed") {
//        Py::List list(m_value->m_usageInstance.consumed.size());
//        for (size_t i = 0; i < m_value->m_usageInstance.consumed.size(); ++i) {
//            list[i] = CyPy_EntityLocation::wrap(m_value->m_usageInstance.consumed[i]);
//        }
//        return list;
//    }
    if (nameStr == "definition") {
        return CyPy_Usage::wrap(m_value->m_usageInstance.definition);
    }
    if (nameStr == "op") {
        return CyPy_Operation::wrap(m_value->m_usageInstance.op);
    }


    if (nameStr == "progress") {
        return Py::Float(m_value->progress());
    }
    if (nameStr == "duration") {
        if (!m_value->m_duration) {
            return Py::None();
        }
        return Py::Float(*m_value->m_duration);
    }
    if (nameStr == "tick_interval") {
        if (!m_value->m_tick_interval) {
            return Py::None();
        }
        return Py::Float(*m_value->m_tick_interval);
    }
    if (nameStr == "name") {
        return Py::String(m_value->name());
    }
    Atlas::Message::Element val;
    if (m_value->getAttr(name, val) == 0) {
        if (val.isNone()) {
            return Py::None();
        } else {
            return CyPy_Element::wrap(val);
        }
    }

    return PythonExtensionBase::getattro(name);
}
Пример #7
0
int main(int argc, char ** argv)
{
    loadConfig(argc, argv);

    database_flag = false;

    init_python_api();

    int ret;

    {
        World e("1", 1);
        TestWorld test_world(e);
        Anonymous attributes;

        EntityBuilder::init(test_world);
        Ruleset::init();

        assert(Ruleset::instance() != 0);

        assert(EntityBuilder::instance() != 0);

        assert(EntityBuilder::instance()->newEntity("1", 1, "world", attributes) == 0);
        assert(EntityBuilder::instance()->newEntity("1", 1, "nonexistant", attributes) == 0);
        assert(EntityBuilder::instance()->newEntity("1", 1, "thing", attributes) != 0);

        Ruleset::del();
        assert(Ruleset::instance() == 0);
        EntityBuilder::del();
        assert(EntityBuilder::instance() == 0);
        Inheritance::clear();
    }

    {
        World e("1", 1);
        TestWorld test_world(e);
        Anonymous attributes;
        Atlas::Message::Element val;

        EntityBuilder::init(test_world);
        Ruleset::init();

        assert(Ruleset::instance() != 0);

        Entity * test_ent = EntityBuilder::instance()->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        assert(!test_ent->getAttr("funky", val));
        assert(val.isNone());

        attributes->setAttr("funky", "true");

        test_ent = EntityBuilder::instance()->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        Ruleset::del();
        assert(Ruleset::instance() == 0);
        EntityBuilder::del();
        assert(EntityBuilder::instance() == 0);
        Inheritance::clear();
    }

    {
        // Create a test world.
        World e("1", 1);
        TestWorld test_world(e);
        Atlas::Message::Element val;

        // Instance of EntityBuilder with all protected methods exposed
        // for testing
        ExposedEntityBuilder * entity_factory = new ExposedEntityBuilder(test_world);
        // Instance of Ruleset with all protected methods exposed
        // for testing
        EntityBuilder * test_eb = EntityBuilder::instance();
        assert(test_eb == entity_factory);
        ExposedRuleset test_ruleset(test_eb);

        // Attributes for test entities being created
        Anonymous attributes;

        // Create an entity which is an instance of one of the core classes
        Entity * test_ent = test_eb->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        // Check the created entity does not have the attribute values we
        // will be testing later
        assert(!test_ent->getAttr("funky", val));
        assert(val.isNone());

        // Set a test attribute
        attributes->setAttr("funky", "true");

        // Create another entity, and check that it has picked up the new
        // attribute value
        test_ent = test_eb->newEntity("1", 1, "thing", attributes);
        assert(test_ent != 0);
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Check that creating an entity of a type we know we have not yet
        // installed results in a null pointer.
        assert(test_eb->newEntity("1", 1, "custom_type", attributes) == 0);

        // Set up a type description for a new type, and install it.
        {
            Root custom_type_description;
            MapType attrs;
            MapType test_custom_type_attr;
            test_custom_type_attr["default"] = "test_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["test_custom_type_attr"] = test_custom_type_attr;
            custom_type_description->setAttr("attributes", attrs);
            custom_type_description->setId("custom_type");
            custom_type_description->setParents(std::list<std::string>(1, "thing"));

            std::string dependent, reason;
            ret = test_ruleset.installEntityClass("custom_type", "thing", custom_type_description, dependent, reason);

            assert(ret == 0);
            assert(dependent.empty());
            assert(reason.empty());
        }

        // Check that the factory dictionary now contains a factory for
        // the custom type we just installed.
        EntityKit * custom_type_factory = test_eb->getClassFactory("custom_type");
        assert(custom_type_factory != 0);

        // Check the factory has the attributes we described on the custom
        // type.
        MapType::const_iterator J = custom_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        // Create an instance of our custom type, ensuring that it works.
        test_ent = test_eb->newEntity("1", 1, "custom_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        // Check that creating an entity of a type we know we have not yet
        // installed results in a null pointer.
        assert(test_eb->newEntity("1", 1, "custom_inherited_type", attributes) == 0);

        // Set up a type description for a second new type which inherits
        // from the first, and install it.
        {
            Root custom_inherited_type_description;
            MapType attrs;
            MapType test_custom_type_attr;
            test_custom_type_attr["default"] = "test_inherited_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["test_custom_inherited_type_attr"] = test_custom_type_attr;
            custom_inherited_type_description->setAttr("attributes", attrs);
            custom_inherited_type_description->setId("custom_inherited_type");
            custom_inherited_type_description->setParents(std::list<std::string>(1, "custom_type"));

            std::string dependent, reason;
            ret = test_ruleset.installEntityClass("custom_inherited_type", "custom_type", custom_inherited_type_description, dependent, reason);

            assert(ret == 0);
            assert(dependent.empty());
            assert(reason.empty());
        }

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        EntityKit * custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory has inherited the attributes from the
        // first custom type
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        // Check that the factory has the attributes specified when installing
        // it
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_inherited_value");

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // second custom type was installed
        assert(test_ent->getAttr("test_custom_inherited_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_inherited_value");

        // FIXME TODO Modify a type, and ensure attribute propagate to inherited types.

        // Make sure than attempting to modify a non-existant type fails
        {
            Anonymous nonexistant_description;
            MapType attrs;
            MapType test_custom_type_attr;

            test_custom_type_attr["default"] = "no_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["no_custom_type_attr"] = test_custom_type_attr;

            nonexistant_description->setId("nonexistant");
            nonexistant_description->setAttr("attributes", attrs);

            ret = test_ruleset.modifyRule("nonexistant", nonexistant_description);

            assert(ret != 0);
        }

        // Modify the second custom type removing its custom attribute
        {
            Anonymous new_custom_inherited_type_description;
            new_custom_inherited_type_description->setId("custom_inherited_type");
            new_custom_inherited_type_description->setAttr("attributes", MapType());

            // No parents
            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);
            assert(ret != 0);

            // empty parents
            new_custom_inherited_type_description->setParents(std::list<std::string>());

            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);
            assert(ret != 0);

            // wrong parents
            new_custom_inherited_type_description->setParents(std::list<std::string>(1, "wrong_parent"));

            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);
            assert(ret != 0);

            new_custom_inherited_type_description->setParents(std::list<std::string>(1, "custom_type"));

            ret = test_ruleset.modifyRule("custom_inherited_type",
                                          new_custom_inherited_type_description);

            assert(ret == 0);
        }

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory has inherited the attributes from the
        // first custom type
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        // Check that the factory no longer has the attributes we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Make sure test nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant", val));
        // Make sure nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant_attribute", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // second custom type was installed
        assert(!test_ent->getAttr("test_custom_inherited_type_attr", val));

        // Modify the first custom type removing its custom attribute
        {
            Anonymous new_custom_type_description;
            new_custom_type_description->setId("custom_type");
            new_custom_type_description->setAttr("attributes", MapType());
            new_custom_type_description->setParents(std::list<std::string>(1, "thing"));

            ret = test_ruleset.modifyRule("custom_type", new_custom_type_description);

            assert(ret == 0);
        }

        // Check that the factory dictionary now contains a factory for
        // the custom type we just installed.
        custom_type_factory = test_eb->getClassFactory("custom_type");
        assert(custom_type_factory != 0);

        // Check the factory has the attributes we described on the custom
        // type.
        J = custom_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J == custom_type_factory->m_attributes.end());

        // Create an instance of our custom type, ensuring that it works.
        test_ent = test_eb->newEntity("1", 1, "custom_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type no longer has the custom attribute
        assert(!test_ent->getAttr("test_custom_type_attr", val));

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory no longer has inherited the attributes
        // from the first custom type which we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Check that the factory no longer has the attributes we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Make sure test nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant", val));
        // Make sure nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant_attribute", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(!test_ent->getAttr("test_custom_type_attr", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute described when the
        // second custom type was installed
        assert(!test_ent->getAttr("test_custom_inherited_type_attr", val));

        // Add more custom attributes to the first type
        {
            Anonymous new_custom_type_description;
            MapType attrs;
            MapType test_custom_type_attr;

            test_custom_type_attr["default"] = "test_value";
            test_custom_type_attr["visibility"] = "public";
            attrs["test_custom_type_attr"] = test_custom_type_attr;

            MapType new_custom_type_attr;

            new_custom_type_attr["default"] = "new_value";
            new_custom_type_attr["visibility"] = "public";
            attrs["new_custom_type_attr"] = new_custom_type_attr;

            new_custom_type_description->setId("custom_type");
            new_custom_type_description->setAttr("attributes", attrs);
            new_custom_type_description->setParents(std::list<std::string>(1, "thing"));

            ret = test_ruleset.modifyRule("custom_type", new_custom_type_description);

            assert(ret == 0);
            
        }

        // Check that the factory dictionary now contains a factory for
        // the custom type we just installed.
        custom_type_factory = test_eb->getClassFactory("custom_type");

        // Check the factory has the attributes we described on the custom
        // type.
        J = custom_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        J = custom_type_factory->m_attributes.find("new_custom_type_attr");
        assert(J != custom_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "new_value");

        // Create an instance of our custom type, ensuring that it works.
        test_ent = test_eb->newEntity("1", 1, "custom_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type now has the custom attributes
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        assert(test_ent->getAttr("new_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "new_value");

        // Check that the factory dictionary does contain the factory for
        // the second newly installed type
        custom_inherited_type_factory = test_eb->getClassFactory("custom_inherited_type");
        assert(custom_inherited_type_factory != 0);

        // Check that the factory now has inherited the attributes
        // from the first custom type
        J = custom_inherited_type_factory->m_attributes.find("test_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "test_value");

        J = custom_inherited_type_factory->m_attributes.find("new_custom_type_attr");
        assert(J != custom_inherited_type_factory->m_attributes.end());
        assert(J->second.isString());
        assert(J->second.String() == "new_value");

        // Check that the factory no longer has the attributes we removed
        J = custom_inherited_type_factory->m_attributes.find("test_custom_inherited_type_attr");
        assert(J == custom_inherited_type_factory->m_attributes.end());

        // Creat an instance of the second custom type, ensuring it works.
        test_ent = test_eb->newEntity("1", 1, "custom_inherited_type", attributes);
        assert(test_ent != 0);

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Make sure test nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant", val));
        // Make sure nonexistant attribute isn't present
        assert(!test_ent->getAttr("nonexistant_attribute", val));

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type has the attribute we passed in when creating
        // the instance.
        assert(test_ent->getAttr("funky", val));
        assert(val.isString());
        assert(val.String() == "true");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the instance of the second custom type has the attribute
        // described when the first custom type was installed.
        assert(test_ent->getAttr("test_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "test_value");

        assert(test_ent->getAttr("new_custom_type_attr", val));
        assert(val.isString());
        assert(val.String() == "new_value");

        // Reset val.
        val = Atlas::Message::Element();
        assert(val.isNone());

        // Check the custom type no longer has the attribute described when the
        // second custom type was installed
        assert(!test_ent->getAttr("test_custom_inherited_type_attr", val));

    }
}