Moontoast\Math\BigNumberTest::testCompareTo PHP Method

    public function testCompareTo()
    {
        $bn1 = new BigNumber('9223372036854775808');
        $bn2 = new BigNumber(2147483647);
        $this->assertEquals(0, $bn1->compareTo('9223372036854775808'));
        $this->assertEquals(0, $bn2->compareTo(2147483647));
        $this->assertEquals(1, $bn1->compareTo($bn2));
        $this->assertEquals(-1, $bn2->compareTo($bn1));
    }