assertEquals(4,mathTool.div(8,2));
assertEquals(5,mathTool.floor(5.1));
assertEquals(6,mathTool.getAverage(new long[] {5,6,7}));
/* getTotal() watches the type of its first argument, so assertEquals needs a long */
assertEquals((long)7,mathTool.getTotal(new long[] {2,2,3}));
assertEquals(8,mathTool.idiv(130,16));
assertEquals(9,mathTool.max(9,-10));
assertEquals(10,mathTool.min(10,20));
assertEquals(11,mathTool.mod(37,13));
assertEquals(12,mathTool.mul(3,4));
assertEquals(13,mathTool.round(12.8));