public function testVowel()
{
$this->assertEquals('ae IOU', $this->object->vowel('ae IOU'));
$this->assertEquals('EE', $this->object->vowel('TESTE'));
$this->assertEquals('a', $this->object->vowel('a1b2C3'));
$this->assertEquals(' e e', $this->object->vowel('t e 5 t e'));
$this->assertEquals('ee', $this->object->vowel('tes$t@e123(*)'));
$this->assertEquals('', $this->object->vowel('!@#$%$*()-_+=[]{}?/:;.><|\\kjmnYTC'));
$this->assertTrue($this->object->validVowel('aeiou UOIEA'));
$this->assertTrue($this->object->validVowel('aaaaaaaaaaa'));
$this->assertTrue($this->object->validVowel('a e I O U'));
$this->assertFalse($this->object->validVowel('TESTE'));
$this->assertFalse($this->object->validVowel('t e S t e'));
$this->assertFalse($this->object->validVowel('a1b2C3'));
$this->assertFalse($this->object->validVowel('tes$t@e123(*)'));
$this->assertFalse($this->object->validVowel('TESTE.'));
$this->assertFalse($this->object->validVowel('!@#$%$*()-_+=[]{}?/:;.><|\\'));
}
