@Test
public void testDetermineTypeVariableAssignments()
throws SecurityException, NoSuchFieldException, NoSuchMethodException {
final ParameterizedType iterableType =
(ParameterizedType) getClass().getField("iterable").getGenericType();
final Map<TypeVariable<?>, Type> typeVarAssigns =
TypeUtils.determineTypeArguments(TreeSet.class, iterableType);
final TypeVariable<?> treeSetTypeVar = TreeSet.class.getTypeParameters()[0];
Assert.assertTrue(typeVarAssigns.containsKey(treeSetTypeVar));
Assert.assertEquals(
iterableType.getActualTypeArguments()[0], typeVarAssigns.get(treeSetTypeVar));
}
