@isTest
private class InquiryPredictsDateChangeHandlerTest {
    @isTest 
	static void TestMethod1() {

        List<User> users = [select Id,Name,LastName, FirstName from User];

        Opportunity opp = new Opportunity();
        opp.Name = 'Testname0801';
        opp.StageName = '目標';
        opp.Close_Forecasted_Date__c = Date.today();
        // opp.Close_Forecasted_Assume_Date__c = Date.today().addDays(2);
        opp.Opportunity_No__c = '0801';
        opp.CloseDate = Date.today().addDays(1);
        opp.Sales_assistant_name_text__c = users[0].Id;
        opp.Manager_name_text__c = users[0].Id;
        insert opp;

        InquiryPredictsDateChange__c ipd = new InquiryPredictsDateChange__c();
        ipd.Opportunity__c = opp.Id;
        ipd.Date_InAdvance_Delay__c = '提前';
        ipd.CloseDate__c = Date.today();
        ipd.Close_Forecasted_Date__c = Date.today();
        // ipd.Close_Forecasted_Assume_Date__c = Date.today();
        ipd.Predicted_date_ChangeReason__c = '20220801';
        ipd.Predicted_Date_Status__c = '已提交';
        ipd.Manager_name__c = users[0].Id;
        ipd.Sales_assistant_name__c = users[0].Id;
        insert ipd;

        ipd.Predicted_Date_Status__c = '已批准';
        update ipd;


    }
  
}