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('!@#$%$*()-_+=[]{}?/:;.><|\\')); }