/**
* {@inheritdoc}
*/
public function coordinateSystem()
{
if ($this->proxyGeometry === null) {
$this->load();
}
return $this->proxyGeometry->coordinateSystem();
}
/**
* Tests Countable and Traversable interfaces.
*/
public function testInterfaces()
{
$compoundCurve = CompoundCurve::fromText('COMPOUNDCURVE (CIRCULARSTRING(1 2, 3 4, 5 6), (5 6, 7 8))');
$this->assertInstanceOf(\Countable::class, $compoundCurve);
$this->assertSame(2, count($compoundCurve));
$this->assertInstanceOf(\Traversable::class, $compoundCurve);
$this->assertSame([$compoundCurve->curveN(1), $compoundCurve->curveN(2)], iterator_to_array($compoundCurve));
}
