@Test
public void iteratingNullIsEmptyIterable() {
assertThat(on((String) null), sameInstance(Iterate.<Character>none()));
assertThat(on((Integer[]) null), sameInstance(Iterate.<Integer>none()));
assertThat(on((Iterable<Integer>) null), sameInstance(Iterate.<Integer>none()));
assertThat(on((byte[]) null), sameInstance(Iterate.<Byte>none()));
}
@Test
public void bridgeArrayYieldingFunctionToIterableYieldingFunction() {
Fn<Object, Integer[]> oneTwoThree =
new Fn<Object, Integer[]>() {
@Override
public Integer[] $(Object value) {
return new Integer[] {1, 2, 3};
}
};
assertThat(optional("").split(Iterate.toIterable(oneTwoThree)), contains(1, 2, 3));
}
@Test
public void iterateEmptyJavaCollectionYieldsNoneInstance() {
assertThat(on(new ArrayList<>()), sameInstance(Iterate.none()));
}