@Test
public void testRecursiveSort4() throws Exception {
int a[] = {1, 5, 2, 7, 3};
selectionSort.recursiveSort(a);
assertEquals("[1,2,3,5,7]", ArrayHelper.arrayAsString(a));
}
@Test
public void testRecursiveSort3() throws Exception {
int a[] = new int[5];
selectionSort.recursiveSort(a);
assertEquals("[0,0,0,0,0]", ArrayHelper.arrayAsString(a));
}