Moontoast\Math\BigNumberTest::testGetScale PHP Method

    public function testGetScale()
    {
        $bn1 = new BigNumber('9223372036854775808');
        $bn2 = new BigNumber(2147483647, 20);
        $this->assertEquals(0, $bn1->getScale());
        $this->assertEquals(20, $bn2->getScale());
    }