fizzbuzz/FizzBuzzTest.php at master · jrnickell/fizzbuzz · GitHub

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<?php

require 'FizzBuzz.php';

class FizzBuzzTest extends PHPUnit_Framework_TestCase
{
    protected $fizzBuzz;

    public function setUp()
    {
        $this->fizzBuzz = new FizzBuzz();
    }

    public function testFizzBuzzForEach()
    {
        foreach ($this->fizzBuzz as $key => $value) {
            if ($key % 3 === 0 && $key % 5 === 0) {
                $this->assertEquals('FizzBuzz', $value);
            } elseif ($key % 3 === 0) {
                $this->assertEquals('Fizz', $value);
            } elseif ($key % 5 === 0) {
                $this->assertEquals('Buzz', $value);
            } else {
                $this->assertEquals($key, $value);
            }
        }
    }

    public function testFizzBuzzForLoop()
    {
        for ($this->fizzBuzz->rewind(); $this->fizzBuzz->valid(); $this->fizzBuzz->next()) {
            if ($this->fizzBuzz->key() % 3 === 0 && $this->fizzBuzz->key() % 5 === 0) {
                $this->assertEquals('FizzBuzz', $this->fizzBuzz->current());
            } elseif ($this->fizzBuzz->key() % 3 === 0) {
                $this->assertEquals('Fizz', $this->fizzBuzz->current());
            } elseif ($this->fizzBuzz->key() % 5 === 0) {
                $this->assertEquals('Buzz', $this->fizzBuzz->current());
            } else {
                $this->assertEquals($this->fizzBuzz->key(), $this->fizzBuzz->current());
            }
        }
    }

    public function testFizzBuzzWhileLoop()
    {
        while ($this->fizzBuzz->valid()) {
            if ($this->fizzBuzz->key() % 3 === 0 && $this->fizzBuzz->key() % 5 === 0) {
                $this->assertEquals('FizzBuzz', $this->fizzBuzz->current());
            } elseif ($this->fizzBuzz->key() % 3 === 0) {
                $this->assertEquals('Fizz', $this->fizzBuzz->current());
            } elseif ($this->fizzBuzz->key() % 5 === 0) {
                $this->assertEquals('Buzz', $this->fizzBuzz->current());
            } else {
                $this->assertEquals($this->fizzBuzz->key(), $this->fizzBuzz->current());
            }
            $this->fizzBuzz->next();
        }
    }
}