public function testSetPath()
{
$this->assertEquals('root', ArrayUtil::setPath(null, array(), 'root'));
$root = ArrayUtil::setPath(array(), array('name'), 'root');
$this->assertEquals(array('name' => 'root'), $root);
$rootWithOneChild = ArrayUtil::setPath($root, array('children', 0, 'name'), 'zero');
$this->assertEquals(array('name' => 'root', 'children' => array(array('name' => 'zero'))), $rootWithOneChild);
$object = (object) array('type' => 'object', 'name' => 'Bob');
$rootWithOneChildAndObject = ArrayUtil::setPath($rootWithOneChild, explode('.', 'other.object'), $object);
$this->assertEquals($object, $rootWithOneChildAndObject['other']['object']);
// Set a field in an object and assert that all copies of that object are the same
$rootWithOneChildAndObject2 = ArrayUtil::setPath($rootWithOneChildAndObject, explode('.', 'other.object.location'), 'inside');
$this->assertEquals($rootWithOneChildAndObject, $rootWithOneChildAndObject2);
$this->assertEquals($object, $rootWithOneChildAndObject2['other']['object']);
$this->assertEquals('inside', ArrayUtil::getPath($rootWithOneChildAndObject2, explode('.', 'other.object.location')));
}
