@Test
public void updateValueWith() {
MutableMapIterable<Integer, Integer> map = this.newMap();
Iterate.forEach(
Interval.oneTo(1000),
each ->
map.updateValueWith(
each % 10,
() -> 0,
(integer, parameter) -> {
Assert.assertEquals("test", parameter);
return integer + 1;
},
"test"));
Assert.assertEquals(Interval.zeroTo(9).toSet(), map.keySet());
Assert.assertEquals(
FastList.newList(Collections.nCopies(10, 100)), FastList.newList(map.values()));
}
@Test
public void updateValueWith_collisions() {
MutableMapIterable<Integer, Integer> map = this.newMap();
MutableList<Integer> list = Interval.oneTo(2000).toList();
Collections.shuffle(list);
Iterate.forEach(
list,
each ->
map.updateValueWith(
each % 1000,
() -> 0,
(integer, parameter) -> {
Assert.assertEquals("test", parameter);
return integer + 1;
},
"test"));
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()));
}