/**
* Gets the "INVALID DIRECTIONS REQUEST UNIT SYSTEM" exception.
*
* @return \Ivory\GoogleMap\Exception\DirectionsException The "INVALID DIRECTIONS REQUEST UNIT SYSTEM" exception.
*/
public static function invalidDirectionsRequestUnitSystem()
{
return new static(sprintf('The directions request unit system can only be : %s.', implode(', ', UnitSystem::getUnitSystems())));
}
/**
* Sets the distance matrix request unit system.
*
* @param string $unitSystem The distance matrix request unit system.
*
* @throws \Ivory\GoogleMap\Exception\DistanceMatrixException If the unit system is not valid.
*/
public function setUnitSystem($unitSystem = null)
{
if (!in_array($unitSystem, UnitSystem::getUnitSystems()) && $unitSystem !== null) {
throw DistanceMatrixException::invalidDistanceMatrixRequestUnitSystem();
}
$this->unitSystem = $unitSystem;
}
public function testUnitSystems()
{
$expected = array(UnitSystem::IMPERIAL, UnitSystem::METRIC);
$this->assertSame($expected, UnitSystem::getUnitSystems());
}