@Test
public void reverseInjectIntoOnFromToByInterval() {
Interval interval = Interval.oneTo(5);
Assert.assertEquals(Integer.valueOf(20), interval.reverseInjectInto(5, AddFunction.INTEGER));
Assert.assertEquals(
Integer.valueOf(20), interval.reverseThis().reverseInjectInto(5, AddFunction.INTEGER));
}
@Test
public void reverseThis() {
Interval interval = Interval.fromToBy(5, 1, -1);
Interval interval2 = interval.reverseThis();
List<Integer> result = new ArrayList<>();
interval2.forEach(CollectionAddProcedure.on(result));
Assert.assertEquals(FastList.newListWith(1, 2, 3, 4, 5), result);
}
@Test
public void rejectOnFromToInterval() {
Interval interval = Interval.oneTo(5);
Assert.assertEquals(
FastList.newListWith(1, 3, 5), interval.reject(IntegerPredicates.isEven()).toList());
Assert.assertEquals(
FastList.newListWith(5, 3, 1),
interval.reverseThis().reject(IntegerPredicates.isEven()).toList());
}
@Test
public void selectOnFromToInterval() {
Interval interval = Interval.oneTo(5);
Assert.assertEquals(
FastList.newListWith(2, 4), interval.select(IntegerPredicates.isEven()).toList());
Assert.assertEquals(
FastList.newListWith(4, 2),
interval.reverseThis().select(IntegerPredicates.isEven()).toList());
}
@Test
public void reverseForEachOnFromToInterval() {
List<Integer> result = new ArrayList<>();
Interval interval = Interval.oneTo(5);
interval.reverseForEach(result::add);
Verify.assertSize(5, result);
Verify.assertContains(1, result);
Verify.assertContains(5, result);
Assert.assertEquals(Integer.valueOf(5), Iterate.getFirst(result));
Assert.assertEquals(Integer.valueOf(1), Iterate.getLast(result));
result.clear();
interval.reverseThis().reverseForEach(result::add);
Verify.assertSize(5, result);
Verify.assertContains(1, result);
Verify.assertContains(5, result);
Assert.assertEquals(Integer.valueOf(1), Iterate.getFirst(result));
Assert.assertEquals(Integer.valueOf(5), Iterate.getLast(result));
}
