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<?php
use Litipk\BigNumbers\Decimal as Decimal;
use PHPUnit\Framework\TestCase;
date_default_timezone_set('UTC');
class DecimalSubTest extends TestCase
{
public function testZeroSub()
$one = Decimal::fromInteger(1);
$zero = Decimal::fromInteger(0);
$this->assertTrue($one->sub($zero)->equals($one));
$this->assertTrue($zero->sub($one)->equals($one->additiveInverse()));
$this->assertTrue($zero->sub($one)->equals(Decimal::fromInteger(-1)));
$this->assertTrue($zero->sub($one)->isNegative());
}
public function testBasicCase()
$two = Decimal::fromInteger(2);
$this->assertTrue($one->sub($two)->equals(Decimal::fromInteger(-1)));
$this->assertTrue($two->sub($one)->equals($one));
$this->assertTrue($one->sub($one)->isZero());
Litipk /
php-bignumbers
