tests/codeigniter/helpers/email_helper_test.php

<?php

require_once(BASEPATH.'helpers/email_helper.php');

class Email_helper_test extends CI_TestCase
{
	
	public function test_valid_email()
	{
		$this->assertEquals(FALSE, valid_email('test'));
		$this->assertEquals(FALSE, valid_email('test@test@test.com'));
		$this->assertEquals(TRUE, valid_email('test@test.com'));
		$this->assertEquals(TRUE, valid_email('my.test@test.com'));
	}
	
}