public void testShouldInvert() throws Exception {
InvertibleComparator<Integer> invertibleComparator =
new InvertibleComparator<Integer>(comparator);
assertThat(invertibleComparator.isAscending(), is(true));
assertThat(invertibleComparator.compare(1, 2), is(-1));
invertibleComparator.invertOrder();
assertThat(invertibleComparator.isAscending(), is(false));
assertThat(invertibleComparator.compare(1, 2), is(1));
}
public void testShouldCompareDescending() throws Exception {
InvertibleComparator<Integer> invertibleComparator =
new InvertibleComparator<Integer>(comparator, false);
assertThat(invertibleComparator.compare(1, 2), is(1));
}
public void testShouldDefaultToAscending() throws Exception {
InvertibleComparator<Integer> invertibleComparator =
new InvertibleComparator<Integer>(comparator);
assertThat(invertibleComparator.isAscending(), is(true));
assertThat(invertibleComparator.compare(1, 2), is(-1));
}