public function testCollection()
{
$browser = $this->getBrowser(true)->open($this->getUrl('index.php'));
$count = count($browser->getWindows()->getAll());
$browser->element(By::linkText('Pop-up'))->click();
$this->assertCount($count + 1, $all = $browser->getWindows()->getAll());
$browser->element(By::linkText('Another page'))->click();
$orig = $browser->getWindows()->getCurrent();
$other = array_values(array_diff($all, array($orig)))[0];
$browser->getWindows()->focus($other);
$this->assertContains('Welcome to sample website', $browser->getText());
$browser->getWindows()->closeCurrent();
$browser->getWindows()->focus($orig);
$this->assertContains('You know... some other page', $browser->getText());
$browser->close();
}
