public async Task DeleteHistoryTest()
{
string expression = "2+2*2";
string expected = "History is empty";
var helpfulRequest = await calculatorController.Get(expression, historyService, calculatorService);
var notEmptyHistory = await historyController.Delete(historyService);
var fullHistoryEmptyRequest = await historyController.Get(historyService);
var okResult_EmptyHistory = await historyController.Delete(historyService);
Assert.IsInstanceOf <OkObjectResult>(helpfulRequest.Result);
Assert.IsInstanceOf <OkObjectResult>(notEmptyHistory.Result);
Assert.IsInstanceOf <OkObjectResult>(fullHistoryEmptyRequest.Result);
Assert.IsInstanceOf <OkObjectResult>(okResult_EmptyHistory.Result);
Assert.AreEqual(expected, ((OkObjectResult)fullHistoryEmptyRequest.Result).Value);
}
public void Delete()
{
// 排列
HistoryController controller = new HistoryController();
MainHistory value = new MainHistory();
// 作用
HttpResponseMessage result = controller.Delete(value);
// 判斷提示
Assert.AreEqual(15, result);
}