Testes Unitários com PHPUnit no CodeIgniter

SampleTest.php

<?php

class SampleTest extends PHPUnit_Framework_TestCase
{

  public function testPushAndPop()
  {
    $stack = array();
    $this->assertEquals(0, count($stack));

    array_push($stack, 'foo');
    $this->assertEquals('foo', $stack[count($stack)-1]);
    $this->assertEquals(1, count($stack));

    $this->assertEquals('foo', array_pop($stack));
    $this->assertEquals(0, count($stack));
  }

}