@Test
public void returnsComponentTypeForMultiDimensionalArrayCorrectly() {
TypeInformation<?> information = from(String[][].class);
assertThat(information.getType(), is((Object) String[][].class));
assertThat(information.getComponentType().getType(), is((Object) String[].class));
assertThat(information.getActualType().getActualType().getType(), is((Object) String.class));
}
/** @see DATACMNS-39 */
@Test
public void resolvesWildCardTypeCorrectly() {
TypeInformation<ClassWithWildCardBound> information =
ClassTypeInformation.from(ClassWithWildCardBound.class);
TypeInformation<?> property = information.getProperty("wildcard");
assertThat(property.isCollectionLike(), is(true));
assertThat(property.getComponentType().getType(), is(typeCompatibleWith(String.class)));
property = information.getProperty("complexWildcard");
assertThat(property.isCollectionLike(), is(true));
TypeInformation<?> component = property.getComponentType();
assertThat(component.isCollectionLike(), is(true));
assertThat(component.getComponentType().getType(), is(typeCompatibleWith(String.class)));
}
@Test
public void discoversTypeForSimpleGenericField() {
TypeInformation<ConcreteType> discoverer = ClassTypeInformation.from(ConcreteType.class);
assertEquals(ConcreteType.class, discoverer.getType());
TypeInformation<?> content = discoverer.getProperty("content");
assertEquals(String.class, content.getType());
assertNull(content.getComponentType());
assertNull(content.getMapValueType());
}
@Test
public void discoversArraysAndCollections() {
TypeInformation<StringCollectionContainer> information =
ClassTypeInformation.from(StringCollectionContainer.class);
TypeInformation<?> property = information.getProperty("array");
assertEquals(property.getComponentType().getType(), String.class);
Class<?> type = property.getType();
assertEquals(String[].class, type);
assertThat(type.isArray(), is(true));
property = information.getProperty("foo");
assertEquals(Collection[].class, property.getType());
assertEquals(Collection.class, property.getComponentType().getType());
assertEquals(String.class, property.getComponentType().getComponentType().getType());
property = information.getProperty("rawSet");
assertEquals(Set.class, property.getType());
assertEquals(Object.class, property.getComponentType().getType());
assertNull(property.getMapValueType());
}