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asd@as.asdasd@as.asd 

TestStop & test start methd

hello,

   i want to know the use of  TestStop & test start methd. 

   here is my working test class without testStop Method

  TEST CLASS

 

 @isTest
        Private class testChildCount{
            static testMethod  void  testoFChildCount(){
                Account acc1=new Account();
                acc1.name='Tej1';
                acc1.childCount__c=0;
                insert acc1;
                System.assertEquals(0,acc1.childCount__c);
                Account acc2=new Account();
                acc2.name='Tej2';
                acc2.ParentId=acc1.id;
                acc2.childCount__c=0;
                insert acc2;
                Account acc=[select childCount__c from account where id=: acc1.id ];
                System.assertEquals(1,acc.childCount__c);
                delete acc2;
                acc=[select childCount__c from account where id=: acc1.id ];
                System.assertEquals(0,acc.childCount__c);
                Account acc3=new Account();
                acc3.name='Tej3';
                acc3.childCount__c=0;
                insert acc3;
                Account acc4=new Account();
                acc4.name='Tej4';
                acc4.childCount__c=0;
                acc4.ParentId=acc1.id;
                insert acc4;
                acc=[select childCount__c from account where id=: acc1.id ];
                System.assertEquals(1,acc.childCount__c);
                acc=[select childCount__c from account where id=: acc4.id ];
                acc.ParentId=acc3.id;
                update acc;
                acc=[select childCount__c from account where id=: acc1.id ];
                System.assertEquals(0,acc.childCount__c);
                acc=[select childCount__c from account where id=: acc3.id ];
                System.assertEquals(1,acc.childCount__c);
            }
        }

Best Answer chosen by Admin (Salesforce Developers) 
Chamil MadusankaChamil Madusanka

There are two additional system static methods provided by Apex. These methods, Test.startTest and Test.stopTest, are used when testing governor limits. Or in other words, executing test scenarios with a larger data set.

The Test.startTest method marks the point in your test code when your test actually begins. Each test method is allowed to call this method only once. All of the code before this method should be used to initialize variables, populate data structures, and so on, allowing you to set up everything you need in order to run your test. After you call this method, you get a fresh set of governor limits for the remainder of the test until you call Test.stopTest.

The Test.stopTest method marks the point in your test code when your test ends. Use this method in conjunction with the startTest method. Each test method is allowed to call this method only once. After calling this method, any post assertions are done in the original context.

 

Refer : http://wiki.developerforce.com/page/An_Introduction_to_Apex_Code_Test_Methods

 

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