Memory leakage test code

1. // Memleak. cpp
2. # Include <stdlib. h>
3. # Include <crtdbg. h>
5. Using namespace STD;
7. Int main (void)
8. {
9. // Reg_debug_new; // +
11. _ Crtmemstate S1, S2, S3; // declare the memory state structure variable
12. _ Crtmemcheckpoint (& S1); // gets the first memory status Snapshot
14. // Allocate memory here
15. Int * P = new int [2];
16. P [0] = 'a ';
17. P [1] = 'B ';
19. // Delete [] P;
20. _ Crtmemcheckpoint (& S2); // gets the second memory status Snapshot
22. // Compare the differences between two memory snapshots
23. If (_ CrtMemDifference (& s3, & s1, & s2 ))
24. _ CrtMemDumpStatistics (& s3); // dump difference result
26. // Output the memory leakage Report, which is displayed on the Debug page of the Output Window
27. _ CrtDumpMemoryLeaks ();
29. Cout <"-- End --" <endl;
30. Return 0;
32. /*
33. REG_DEBUG_NEW; // +
35. Char * p = new char [2];
37. Cout <"-- End --" <endl;
38. Return 0;
39. */
40. }

 

The above code can only see the running result in debug!