private List<Integer> getRandomUnsortedList() {
List<Integer> list = getRandomList();
while (BaseSort.isSorted(list)) {
list = getRandomList();
}
return list;
}
private void testSort(List<Integer> list, List<Integer> sortedList) {
assertEquals("sort() returned an array of different length.", list.size(), sortedList.size());
assertEquals(
"sort() didn't return a permutation of same elements of the original list.",
true,
isPermutation(list, sortedList));
assertEquals("sort() didn't return the sorted list.", true, BaseSort.isSorted(sortedList));
assertNotSame("sort() changed the original array.", sortedList, list);
}
@Test
public void testIsNotSorted() {
Integer[] arr = {0, -5, -12, 1000, 56, 4, 3, 1};
List<Integer> list = Arrays.asList(arr);
assertEquals("List should not be returned as sorted.", false, BaseSort.isSorted(list));
}
@Test
public void testIsSorted() {
Integer[] arr = {-12, -5, 0, 1, 3, 4, 56, 1000};
List<Integer> list = Arrays.asList(arr);
assertEquals("List should be returned as sorted.", true, BaseSort.isSorted(list));
}