@Test void concatenateTwoIterators() { // GIVEN PrimitiveIntIterator firstItems = PrimitiveIntCollections.iterator( 10, 3, 203, 32 ); PrimitiveIntIterator otherItems = PrimitiveIntCollections.iterator( 1, 2, 5 ); // WHEN PrimitiveIntIterator iterator = PrimitiveIntCollections.concat( asList( firstItems, otherItems ).iterator() ); // THEN assertItems( iterator, 10, 3, 203, 32, 1, 2, 5 ); }