public function testLocations()
 {
     $obj = $this->obj;
     // This is null because page 2 doesn't have a Name column
     $this->assertNull($obj->getCurrent('Name'));
     // This is null because we're on row 2
     $this->assertNull($obj->getCurrent('Color'));
     $return = $obj->setPointer(1)->getCurrent('Color');
     $this->assertSame('White', $return);
     $obj->storeLocation('cars');
     $return = $obj->gotoLocation('start');
     $this->assertInstanceOf('AKlump\\LoftDataGrids\\ExportData', $return);
     $this->assertSame('Hillary', $obj->getCurrent('Name'));
     $this->assertEquals(0, $obj->getCurrentPageId());
     $this->assertEquals(1, $obj->getPointer());
     $subject = array('start' => array('page' => 0, 'pointers' => array(0 => 1, 1 => 0)), 'cars' => array('page' => 1, 'pointers' => array(0 => 1, 1 => 1)));
     $this->assertSame($subject, $locs = $obj->getLocations());
     $copy = new ExportData();
     $copy->setLocations($locs);
     $this->assertSame($subject, $copy->getLocations());
 }