@Test
public void updateValue() {
MutableMapIterable<Integer, Integer> map = this.newMap();
Iterate.forEach(
Interval.oneTo(1000), each -> map.updateValue(each % 10, () -> 0, integer -> integer + 1));
Assert.assertEquals(Interval.zeroTo(9).toSet(), map.keySet());
Assert.assertEquals(
FastList.newList(Collections.nCopies(10, 100)), FastList.newList(map.values()));
}
@Test
public void updateValue_collisions() {
MutableMapIterable<Integer, Integer> map = this.newMap();
MutableList<Integer> list = Interval.oneTo(2000).toList();
Collections.shuffle(list);
Iterate.forEach(list, each -> map.updateValue(each % 1000, () -> 0, integer -> integer + 1));
Assert.assertEquals(Interval.zeroTo(999).toSet(), map.keySet());
Assert.assertEquals(
HashBag.newBag(map.values()).toStringOfItemToCount(),
FastList.newList(Collections.nCopies(1000, 2)),
FastList.newList(map.values()));
}