public void testChainedIterables() {
final List<List<Integer>> data = new ArrayList<List<Integer>>();
final List<Integer> result = new ArrayList<Integer>();
for (int i = 0; i < TEST_SEQS; i++) {
List<Integer> l = createSequentialList(TEST_SEQ_SIZE);
data.add(l);
result.addAll(l);
}
Iterable<Integer> i = Iterators.chained(data);
assertEquals(result, i);
// Next try, didn't work in prev version
i = Iterators.chained(data);
assertEquals(result, i);
}
public void testFilteredIterables() {
final List<Integer> data = createSequentialList(TEST_SEQ_SIZE);
final List<Integer> expected = new LinkedList<Integer>();
final List<Integer> filtered = new LinkedList<Integer>();
for (Integer i = 0; i < data.size(); i++) {
Integer x = data.get(i);
if (i % 2 == 0) {
expected.add(x);
} else {
filtered.add(x);
}
}
final Iterable<Integer> res =
Iterators.filter(
data,
new Comparable<Integer>() {
public int compareTo(Integer i) {
return filtered.contains(i) ? 0 : -1;
}
});
assertEquals(expected, res);
}