DecimalSubTest

Complexity

Total Complexity

2

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	testZeroSub()	0	11	1
A	testBasicCase()	0	10	1

<?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()
    {
        $one = Decimal::fromInteger(1);
        $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());
    }
}