    @Test
    public void convert2Long(){

        System.out.println("START: convert2Long");

        Assert.assertEquals(6l,LibConvertNumberUtils.convert2Long(i,0l));
        Assert.assertEquals(8l,LibConvertNumberUtils.convert2Long(l,0l));
        Assert.assertEquals(3l,LibConvertNumberUtils.convert2Long(f,0l));
        Assert.assertEquals(9l,LibConvertNumberUtils.convert2Long(d,0l));
        Assert.assertEquals(0l,LibConvertNumberUtils.convert2Long(s1,0l));
        Assert.assertEquals(10l,LibConvertNumberUtils.convert2Long(s2,0l));
        Assert.assertEquals(11l,LibConvertNumberUtils.convert2Long(s3,0l));
        Assert.assertEquals(20l,LibConvertNumberUtils.convert2Long(s4,0l));
        Assert.assertEquals(30l,LibConvertNumberUtils.convert2Long(s5,0l));
        Assert.assertEquals(0l,LibConvertNumberUtils.convert2Long(s6,0l));

        System.out.println("END: convert2Long");
    }