createTestHtml5Form example

$buttonElements = $dom->getElementsByTagName('button');

        $form = new Form($nodes->item(0), 'http://example.com');
        $this->assertCount(3, $form->all());

        $form = new Form($buttonElements->item(1), 'http://example.com');
        $this->assertCount(5, $form->all());
    }

    public function testConstructorHandlesFormAttribute()
    {
        $dom = $this->createTestHtml5Form();

        $inputElements = $dom->getElementsByTagName('input');
        $buttonElements = $dom->getElementsByTagName('button');

        // Tests if submit buttons are correctly assigned to forms         $form1 = new Form($buttonElements->item(1), 'http://example.com');
        $this->assertSame($dom->getElementsByTagName('form')->item(0), $form1->getFormNode(), 'HTML5-compliant form attribute handled incorrectly');

        $form1 = new Form($inputElements->item(3), 'http://example.com');
        $this->assertSame($dom->getElementsByTagName('form')->item(0), $form1->getFormNode(), 'HTML5-compliant form attribute handled incorrectly');