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<?php
use Litipk\BigNumbers\Decimal as Decimal;
date_default_timezone_set('UTC');
class DecimalAddTest extends PHPUnit_Framework_TestCase
{
public function testZeroAdd()
$z = Decimal::fromInteger(0);
$n = Decimal::fromInteger(5);
$this->assertTrue($z->add($n)->equals($n));
$this->assertTrue($n->add($z)->equals($n));
}
public function testPositivePositiveDecimalAdd()
$n1 = Decimal::fromString('3.45');
$n2 = Decimal::fromString('7.67');
$this->assertTrue($n1->add($n2)->equals(Decimal::fromString('11.12')));
$this->assertTrue($n2->add($n1)->equals(Decimal::fromString('11.12')));
public function testNegativenegativeDecimalAdd()
$n1 = Decimal::fromString('-3.45');
$n2 = Decimal::fromString('-7.67');
$this->assertTrue($n1->add($n2)->equals(Decimal::fromString('-11.12')));
$this->assertTrue($n2->add($n1)->equals(Decimal::fromString('-11.12')));
public function testPositiveNegativeDecimalAdd()
$this->assertTrue($n1->add($n2)->equals(Decimal::fromString('-4.22')));
$this->assertTrue($n2->add($n1)->equals(Decimal::fromString('-4.22')));
Litipk /
php-bignumbers
