@Test
public void toSortedMap() {
LazyIterable<Integer> integers = this.newWith(1, 2, 3);
MutableSortedMap<Integer, String> map =
integers.toSortedMap(Functions.getIntegerPassThru(), Functions.getToString());
Verify.assertMapsEqual(TreeSortedMap.newMapWith(1, "1", 2, "2", 3, "3"), map);
Verify.assertListsEqual(FastList.newListWith(1, 2, 3), map.keySet().toList());
}
@Test
public void toSortedMap() {
MutableSortedMap<Integer, String> map =
this.newBag().toSortedMap(Integer::valueOf, Functions.<String>getPassThru());
Verify.assertMapsEqual(
this.newBag().toMap(Integer::valueOf, Functions.<String>getPassThru()), map);
Verify.assertListsEqual(Interval.oneTo(this.numKeys()), map.keySet().toList());
}
@Override
@Test
public void toSortedMap_with_comparator() {
MutableSortedMap<String, String> map =
this.newBag()
.toSortedMap(
Comparators.<String>reverseNaturalOrder(),
Functions.getStringPassThru(),
Functions.getStringPassThru());
Verify.assertEmpty(map);
Verify.assertInstanceOf(TreeSortedMap.class, map);
Assert.assertEquals(Comparators.<String>reverseNaturalOrder(), map.comparator());
}
@Test
public void toSortedMap_with_comparator() {
MutableSortedMap<Integer, String> map =
this.newBag()
.toSortedMap(
Comparators.<Integer>reverseNaturalOrder(),
Integer::valueOf,
Functions.<String>getPassThru());
Verify.assertMapsEqual(
this.newBag().toMap(Integer::valueOf, Functions.<String>getPassThru()), map);
Verify.assertListsEqual(Interval.fromTo(this.numKeys(), 1), map.keySet().toList());
}
@Test
public void toSortedMap_with_comparator() {
LazyIterable<Integer> integers = this.newWith(1, 2, 3);
MutableSortedMap<Integer, String> map =
integers.toSortedMap(
Comparators.<Integer>reverseNaturalOrder(),
Functions.getIntegerPassThru(),
Functions.getToString());
Verify.assertMapsEqual(
TreeSortedMap.newMapWith(
Comparators.<Integer>reverseNaturalOrder(), 1, "1", 2, "2", 3, "3"),
map);
Verify.assertListsEqual(FastList.newListWith(3, 2, 1), map.keySet().toList());
}