public function testAdd()
{
$decimal = new Decimal(3);
$this->assertEquals(33, $decimal->add(10, 10, 10));
$this->assertEquals(3, $decimal->get());
$decimal->setMutable(true);
$this->assertEquals(33, $decimal->add(10, 10, 10));
$this->assertEquals(33, $decimal->get());
$decimal2 = new Decimal(3);
$this->assertEquals(56, $decimal->add($decimal2, 10, 10));
}
public function testAdd()
{
$decimal1 = new Decimal("1");
$decimal2 = new Decimal("0.5");
$this->assertEquals("1.5", (string) $decimal1->add($decimal2));
}
