public void ModifyDataTest()
{
_dataManage.ModifyData("drink", -1, "名稱", "asd");
_dataManage.ModifyData("drink", 0, "名稱", "asd");
_dataManage.ModifyData("addition", -1, "名稱", "asd");
_dataManage.ModifyData("addition", 0, "名稱", "asd");
_dataManage.AddData("dad", 1341, "drink");
_dataManage.AddData("sad", 1341, "addition");
Assert.AreNotEqual(_dataManage.ExistItem("dad"), null);
_dataManage.ModifyData("drink", 0, "名稱", "asd");
Assert.AreNotEqual(_dataManage.ExistItem("asd"), null);
Assert.AreEqual(_dataManage.ExistItem("dad"), null);
_dataManage.ModifyData("drink", 0, "價錢", "asd");
Assert.AreEqual(_dataManage.ExistItem("asd").Price, 0);
_dataManage.ModifyData("drink", 0, "價錢", "213");
Assert.AreEqual(_dataManage.ExistItem("asd").Price, 213);
Assert.AreNotEqual(_dataManage.ExistItem("sad"), null);
_dataManage.ModifyData("addition", 0, "名稱", "aaa");
Assert.AreNotEqual(_dataManage.ExistItem("aaa"), null);
Assert.AreEqual(_dataManage.ExistItem("sad"), null);
_dataManage.ModifyData("addition", 0, "價錢", "asd");
Assert.AreEqual(_dataManage.ExistItem("aaa").Price, 0);
_dataManage.ModifyData("addition", 0, "價錢", "213");
Assert.AreEqual(_dataManage.ExistItem("aaa").Price, 213);
}