public function testHtmlAttributes() { $page = new SeoPage(); $page->setHtmlAttributes(array('key1' => 'value1')); $page->addHtmlAttributes('key2', 'value2'); $expected = array('key1' => 'value1', 'key2' => 'value2'); $this->assertEquals($expected, $page->getHtmlAttributes()); $this->assertTrue($page->hasHtmlAttribute('key2')); $page->removeHtmlAttributes('key2'); $this->assertFalse($page->hasHtmlAttribute('key2')); }