DecimalAdditiveInverseTest

Complexity

Total Complexity

3

Size/Duplication

Total Lines	19
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	testZeroAdditiveInverse()	0	4	1
A	testNegativeAdditiveInverse()	0	5	1
A	testPositiveAdditiveInverse()	0	5	1

<?php

use Litipk\BigNumbers\Decimal as Decimal;
use PHPUnit\Framework\TestCase;

date_default_timezone_set('UTC');

class DecimalAdditiveInverseTest extends TestCase
{
    public function testZeroAdditiveInverse()
    {
        $this->assertTrue(Decimal::fromInteger(0)->additiveInverse()->equals(Decimal::fromInteger(0)));
    }

    public function testNegativeAdditiveInverse()
    {
        $this->assertTrue(Decimal::fromInteger(-1)->additiveInverse()->equals(Decimal::fromInteger(1)));
        $this->assertTrue(Decimal::fromString('-1.768')->additiveInverse()->equals(Decimal::fromString('1.768')));
    }

    public function testPositiveAdditiveInverse()
    {
        $this->assertTrue(Decimal::fromInteger(1)->additiveInverse()->equals(Decimal::fromInteger(-1)));
        $this->assertTrue(Decimal::fromString('1.768')->additiveInverse()->equals(Decimal::fromString('-1.768')));
    }
}