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));
assertEquals(14.2,mathTool.roundTo(1,14.18));
assertEquals(-5.0,mathTool.roundTo(2,-4.999));
assertEquals(15,mathTool.sub(30,15));
assertEquals(16,mathTool.pow(4,2));