@Test
public void resolvesNestedInheritedTypeParameters() {
TypeInformation<SecondExtension> information = ClassTypeInformation.from(SecondExtension.class);
TypeInformation<?> superTypeInformation = information.getSuperTypeInformation(Base.class);
List<TypeInformation<?>> parameters = superTypeInformation.getTypeArguments();
assertThat(parameters, hasSize(1));
assertThat(parameters.get(0).getType(), is((Object) String.class));
}
@Test
public void resolvesTypeParametersCorrectly() {
TypeInformation<ConcreteType> information = ClassTypeInformation.from(ConcreteType.class);
TypeInformation<?> superTypeInformation =
information.getSuperTypeInformation(GenericType.class);
List<TypeInformation<?>> parameters = superTypeInformation.getTypeArguments();
assertThat(parameters, hasSize(2));
assertThat(parameters.get(0).getType(), is((Object) String.class));
assertThat(parameters.get(1).getType(), is((Object) Object.class));
}
@Test
public void discoversImplementationBindingCorrectlyForString() throws Exception {
TypeInformation<TypedClient> information = from(TypedClient.class);
Method method = TypedClient.class.getMethod("stringMethod", GenericInterface.class);
TypeInformation<?> parameterType = information.getParameterTypes(method).get(0);
TypeInformation<StringImplementation> stringInfo = from(StringImplementation.class);
assertThat(parameterType.isAssignableFrom(stringInfo), is(true));
assertThat(
stringInfo.getSuperTypeInformation(GenericInterface.class), is((Object) parameterType));
assertThat(parameterType.isAssignableFrom(from(LongImplementation.class)), is(false));
assertThat(
parameterType.isAssignableFrom(
from(StringImplementation.class).getSuperTypeInformation(GenericInterface.class)),
is(true));
}
