@Test public void typedMapInterfacesShouldNotBeEmpty() { final MapBean mapBean = enhancedRandom.nextObject(MapBean.class); assertThat(mapBean).isNotNull(); assertContainsNonZeroIntegers(mapBean.getTypedMap().keySet()); assertContainsOnlyNonEmptyPersons(mapBean.getTypedMap().values()); assertContainsNonZeroIntegers(mapBean.getTypedSortedMap().keySet()); assertContainsOnlyNonEmptyPersons(mapBean.getTypedSortedMap().values()); assertContainsNonZeroIntegers(mapBean.getTypedNavigableMap().keySet()); assertContainsOnlyNonEmptyPersons(mapBean.getTypedNavigableMap().values()); assertContainsNonZeroIntegers(mapBean.getTypedConcurrentMap().keySet()); assertContainsOnlyNonEmptyPersons(mapBean.getTypedConcurrentMap().values()); assertContainsNonZeroIntegers(mapBean.getTypedConcurrentNavigableMap().keySet()); assertContainsOnlyNonEmptyPersons(mapBean.getTypedConcurrentNavigableMap().values()); }