@Test
public void testSelectRandomSubset() {
ArrayList<Integer> list = new ArrayList<Integer>();
for (int i = 0; i < 100; i++) {
list.add(i);
}
for (int i = 0; i < 10; i++) {
List<Integer> subset = CollectionUtil.selectRandomSubset(list, 10);
// System.out.println(StringUtil.toString(subset));
assertTrue("length == 10", subset.size() == 10);
}
}
