public function testGetInnerElementsByTag()
{
$divContainer = new HTMLElement(HTMLElement::DIV);
$pContainer1 = new HTMLElement(HTMLElement::P);
$spanContainer1 = new HTMLElement(HTMLElement::SPAN);
$tableContainer1 = new HTMLElement(HTMLElement::TABLE);
$pContainer1->addInnerElement($spanContainer1);
$divContainer->addInnerElement($pContainer1);
$divContainer->addInnerElement($tableContainer1);
$elements = $divContainer->getInnerElementsByTagName("table");
$this->assertInternalType('array', $elements);
foreach ($elements as $element) {
$this->assertEquals("table", $element->getTagName());
}
}
