@Test
public void detectIndexWithSmallList() {
ArrayList<Integer> list = new ArrayList<Integer>(Interval.toReverseList(1, 5));
Assert.assertEquals(4, Iterate.detectIndexWith(list, Predicates2.equal(), 1));
Assert.assertEquals(0, Iterate.detectIndexWith(list, Predicates2.equal(), 5));
Assert.assertEquals(-1, Iterate.detectIndexWith(list, Predicates2.equal(), 10));
}
@Test
public void detectIndexOver100() {
ArrayList<Integer> list = new ArrayList<Integer>(Interval.toReverseList(1, 101));
Assert.assertEquals(100, ArrayListIterate.detectIndex(list, Predicates.equal(1)));
Assert.assertEquals(0, Iterate.detectIndex(list, Predicates.equal(101)));
Assert.assertEquals(-1, Iterate.detectIndex(list, Predicates.equal(200)));
}
@Test
public void groupByWithOptimisedList() {
ArrayList<Integer> list = new ArrayList<Integer>(Interval.toReverseList(1, 105));
MutableMultimap<String, Integer> target = new FastListMultimap<String, Integer>();
MutableMultimap<String, Integer> result =
ArrayListIterate.groupBy(list, Functions.getToString(), target);
Assert.assertEquals(result.get("105"), FastList.newListWith(105));
}
@Test
public void flattenWithOptimisedArrays() {
ArrayList<Integer> list = new ArrayList<Integer>(Interval.toReverseList(1, 105));
ArrayList<Integer> result =
ArrayListIterate.flatCollect(
list, new CollectionWrappingFunction<Integer>(), new ArrayList<Integer>());
Assert.assertEquals(105, result.get(0).intValue());
}
@Test
public void groupByEachWithOptimisedList() {
ArrayList<Integer> list = new ArrayList<Integer>(Interval.toReverseList(1, 105));
Function<Integer, Iterable<String>> function =
new Function<Integer, Iterable<String>>() {
public Iterable<String> valueOf(Integer object) {
return FastList.newListWith(object.toString(), object.toString() + '*');
}
};
MutableMultimap<String, Integer> target = new FastListMultimap<String, Integer>();
MutableMultimap<String, Integer> result = ArrayListIterate.groupByEach(list, function, target);
Assert.assertEquals(result.get("105"), FastList.newListWith(105));
Assert.assertEquals(result.get("105*"), FastList.newListWith(105));
}
private ArrayList<Integer> getOver100IntegerList() {
return new ArrayList<Integer>(Interval.toReverseList(1, 105));
}