/**
* @expectedException \LogicException
*/
public function testExchangeArrayFails()
{
$params = new ImmutableOptions();
$params->exchangeArray(array('foo' => 'omg'));
}
/**
* Returns a specific value or values from the 'styles' option.
*
* @param string $value_path You can use jmespath expressions here: https://github.com/mtdowling/jmespath.php
* @param mixed $default
*
* @return mixed Either the option value or the given default.
*/
protected function getStyle($value_path, $default = null)
{
$style = $this->styles->getValues($value_path);
return $style ?: $default;
}