public function testNowhitespace()
    {
        $this->assertEquals('1234', $this->object->nowhitespaces('1234'));
        $this->assertEquals('1234', $this->object->nowhitespaces('1 2 3 4'));
        $this->assertEquals('a1b2C3', $this->object->nowhitespaces('a1b2C3'));
        $this->assertEquals('mázçãêÀ', $this->object->nowhitespaces('mázçãêÀ'));
        $this->assertEquals('te5te', $this->object->nowhitespaces('t e 5 t e'));
        $this->assertEquals('tes$t@e123(*)', $this->object->nowhitespaces('tes$t@e123(*)'));
        $this->assertEquals('!@#$%$*()-_+=[]{}?/:;.><|\\asdfgHJKL', $this->object->nowhitespaces('!@#$%$*()-_+=[]{}?/:;.><|\\asdfgHJKL'));
        $content = <<<'TESTE'
   Hello
   this is a test
   
TESTE;
        $this->assertEquals('Hellothisisatest', $this->object->nowhitespaces($content));
        $this->assertTrue($this->object->validNowhitespace('1234'));
        $this->assertTrue($this->object->validNowhitespace('TESTE'));
        $this->assertTrue($this->object->validNowhitespace('a1b2C3'));
        $this->assertTrue($this->object->validNowhitespace('mázçãêÀ'));
        $this->assertTrue($this->object->validNowhitespace('a1b2C3'));
        $this->assertTrue($this->object->validNowhitespace('tes$t@e123(*)'));
        $this->assertTrue($this->object->validNowhitespace('TESTE.'));
        $this->assertTrue($this->object->validNowhitespace('!@#$%$*()-_+=[]{}?/:;.><|\\'));
        $this->assertFalse($this->object->validNowhitespace('1 2 3 4'));
        $this->assertFalse($this->object->validNowhitespace('t e S t e'));
    }