PHP\Math\BigIntegerTest\BigIntegerNegateTest

Complexity

Total Complexity

3

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes	3
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	testNegate()	0	12	1
A	testWithMutableFalse()	0	14	1
A	testWithMutableTrue()	0	14	1

<?php

namespace PHP\Math\BigIntegerTest;

use PHP\Math\BigInteger\BigInteger;
use PHPUnit_Framework_TestCase;

class BigIntegerNegateTest extends PHPUnit_Framework_TestCase
{
    public function testNegate()
    {
        // Arrange
        $bigInteger = new BigInteger('123');

        // Act
        $bigInteger->negate();

        // Assert
        $this->assertInternalType('string', $bigInteger->getValue());
        $this->assertEquals('-123', $bigInteger->getValue());
    }

    public function testWithMutableFalse()
    {
        // Arrange
        $bigInteger = new BigInteger('10', false);

        // Act
        $newBigInteger = $bigInteger->negate();

        // Assert
        $this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $bigInteger);
        $this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $newBigInteger);
        $this->assertEquals('10', $bigInteger->getValue());
        $this->assertEquals('-10', $newBigInteger->getValue());
    }

    public function testWithMutableTrue()
    {
        // Arrange
        $bigInteger = new BigInteger('10', true);

        // Act
        $newBigInteger = $bigInteger->negate();

        // Assert
        $this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $bigInteger);
        $this->assertInstanceOf('PHP\Math\BigInteger\BigInteger', $newBigInteger);
        $this->assertEquals('-10', $bigInteger->getValue());
        $this->assertEquals('-10', $newBigInteger->getValue());
    }
}