public function testComparisons()
{
$num = new Number(5);
$this->assertTrue($num->isPositive());
$this->assertFalse($num->isNegative());
$this->assertFalse($num->isZero());
$this->assertTrue($num->isGreater(4));
$this->assertFalse($num->isLess(4));
$this->assertTrue($num->isEqual(5));
$num->setValue(0);
$this->assertTrue($num->isZero());
$this->assertFalse($num->isPositive());
$this->assertFalse($num->isNegative());
}
/**
* @param Number|Percentage|String $limitDown
*/
public function setLimitDown($limitDown)
{
if ($limitDown instanceof Percentage) {
$limitDown = $limitDown->of($this->getValue());
} elseif (!$limitDown instanceof Number) {
$limitDown = new Number($limitDown);
}
if ($limitDown->isPositive()) {
$limitDown->bcmul('-1');
}
$this->limitDown = $limitDown;
}
