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Editing: BcEngineTest.php

<?php

use BitPayKeyUtils\Math\BcEngine;
use PHPUnit\Framework\TestCase;

class BcEngineTest extends TestCase
{
    public function testInstanceOf()
    {
        $bcEngine = $this->createClassObject();
        $this->assertInstanceOf(BcEngine::class, $bcEngine);
    }

public function testAdd()
    {
        $expectedValue = '12';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->add('5', '7'));
    }

public function testInput()
    {
        $expectedValue = '5';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->input($expectedValue));
    }

public function testInputNull()
    {
        $expectedValue = '0';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->input(null));
    }

public function testInputHex()
    {
        $expectedValue = '86';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->input('0x56'));
    }

public function testInputException()
    {
        $this->expectException(Exception::class);

$bcEngine = $this->createClassObject();
        $bcEngine->input('Teg4ew');
    }

public function testCmpGreaterThan()
    {
        $expectedValue = 1;

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->cmp('9', '7'));
    }

public function testCmpLessThan()
    {
        $expectedValue = -1;

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->cmp('7', '9'));
    }

public function testCmpEqualsTo()
    {
        $expectedValue = 0;

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->cmp('7', '7'));
    }

public function testDiv()
    {
        $expectedValue = '3';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->div('6', '2'));
    }

public function testInvertm()
    {
        $expectedValue = '0';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->invertm('6', '2'));
    }

public function testInvertm2()
    {
        $expectedValue = '1';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->invertm('-1', '2'));
    }

public function testMod()
    {
        $expectedValue = '0';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->mod('6', '2'));
    }

public function testMod2()
    {
        $expectedValue = '2';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->mod('-6', '2'));
    }

public function testMul()
    {
        $expectedValue = '21';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->mul('3', '7'));
    }

public function testPow()
    {
        $expectedValue = '64';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->pow('4', '3'));
    }

public function testSub()
    {
        $expectedValue = '18';

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->sub('20', '2'));
    }

public function testCoprime()
    {
        $expectedValue = false;

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->coprime('20', '2'));
    }

public function testCoprime2()
    {
        $expectedValue = true;

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->coprime('5', '3'));
    }

public function testCoprime3()
    {
        $expectedValue = true;

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->coprime('3', '5'));
    }

public function testCoprime4()
    {
        $expectedValue = false;

$bcEngine = $this->createClassObject();
        $this->assertSame($expectedValue, $bcEngine->coprime('3', '3'));
    }

private function createClassObject()
    {
        return new BcEngine();
    }
}

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