function testChangeCash()
{
$this->vcArr['cash'] = 90;
$obj = new Member_Perso($this->vcArr);
$obj->changeCash('-', 5);
$this->assertEquals(85, $obj->getCash());
$this->vcArr['cash'] = 90;
$obj = new Member_Perso($this->vcArr);
$obj->changeCash('+', 5);
$this->assertEquals(95, $obj->getCash());
$this->vcArr['cash'] = 2;
$obj = new Member_Perso($this->vcArr);
$obj->changeCash('-', 5);
$this->assertEquals(0, $obj->getCash());
$this->vcArr['cash'] = 10;
$obj = new Member_Perso($this->vcArr);
$obj->changeCash('+', 2.4);
$this->assertEquals(12, $obj->getCash());
$this->vcArr['cash'] = 10;
$obj = new Member_Perso($this->vcArr);
$obj->changeCash('+', 2.999999999);
$this->assertEquals(12, $obj->getCash());
}