v1.insertValue(0, "B", 2.0);
assertEquals(new Double(2.0), v1.getValue(0));
assertEquals(new Double(1.0), v1.getValue(1));
// it's OK to use an index equal to the size of the list
v1.insertValue(2, "C", 3.0);
assertEquals(new Double(2.0), v1.getValue(0));
assertEquals(new Double(1.0), v1.getValue(1));
assertEquals(new Double(3.0), v1.getValue(2));
// try replacing an existing value