public function testUpdate()
{
$j = new Sobject_Jyugyoin__c();
$j->Name = "佐藤" . time();
$j->JyugyoinBango__c = substr(time(), 5);
$j->Age__c = 30;
$result = $j->insert();
$this->assertTrue($result);
$this->assertNotNull($j->Id);
$j2 = new Sobject_Jyugyoin__c();
$j2->Id = $j->Id;
$j2->Name = "加藤";
$result = $j2->update(array('Age__c'));
$this->assertTrue($result);
$j3 = new Sobject_Jyugyoin__c();
$j3 = $j3->eq('Id', $j2->Id)->find();
$this->assertEqual($j3->Age__c, "");
}
