public function testGeneral()
{
$js = new JsFile();
$js->clear();
$this->assertEmpty($js->getVars());
$js->add('jquery', 'src/jquery.js');
$js->add('jquery2', ['src' => 'src/jquery2.js']);
$this->assertNotEmpty($js->getVars());
$this->assertNotEmpty($js->get('jquery'));
$js->add('jquery', 'src/jquery2.js');
$this->assertTrue(count($js->get('jquery')) == 1);
$this->assertNotEmpty($js->render());
$js->addAll(['underscore' => 'src/underscore.js', 'underscore2' => 'src/underscore2.js']);
$this->assertNotEmpty($js->render());
$js->prependAll(['slider1' => 'src/slider1.js', 'slider2' => 'src/slider2.js']);
$js->prepend('slider0', 'src/slider0.js');
}
