Allocate memory

OnTestAllocatememory()

Prompts for a number of bytes to allocate and how many times to do it.

The memory is not deallocated.

Reallocate memory

OnTestReallocatememory()

Prompts for a number of bytes to allocate and how many times to reallocate it, growing in size each time.

The memory is not deallocated.

Allocate using malloc()

OnTestAllocateusingmalloc()

Allocates 100 bytes of memory.

The memory is not deallocated.

Allocate using calloc()

OnTestAllocateusingcalloc()

Prompts for a number of bytes to allocate.

The memory is not deallocated.

Expand memory using _expand()

OnTestExpandmemoryusingexpand()

Allocated memory and then expands it using _expand().

Two more calls to expand the memory pass incorrect memory pointers.

Shrink memory using _expand()

OnTestShrinkmemoryusingexpand()

Allocates memory and then shrinks it using _expand().

Two more calls to shrink the memory pass incorrect memory pointers.

Allocate CObject

OnTestAllocatecobject()

Allocates a CWnd object.

Allocate CString

OnTestAllocatecstring()

Allocates various TestClass objects freeing all but one.

Multiple Allocation of CObject

OnTestMultipleallocationofcobject()

Allocates 5 CWnd objects.

Multiple Allocation of CString

OnTestMultipleallocationofcstring()

Allocates 5 CString objects

Multiple Allocation of CObject Leaving 1

OnTestMultipleallocationofcobjectLeaving1()

Allocates 5 CWnd objects, then deletes 4 of them

Multiple Allocation of CObject Leaving 2

OnTestMultipleallocationofcobjectLeaving2()

Allocates 5 CWnd objects, then deletes 3 of them

Multiple reallocation using malloc() and realloc()

OnTestMultiplereallocation()

Allocates and reallocates 3 pointers in a loop so the callstacks for each allocation are identical.

Multi allocation, reallocation, deallocation using malloc, realloc, free

OnMultiAlloc()

Prompts for a number of allocations to make, each of random size.

Allocations are freed

Create Heap

OnHandlesCreateheap()

Create a heap using HeapCreate().

Do this first to enable the other tests.

Destroy Heap

OnHandlesDestroyheap()

Destroy the heap created above.

Allocate Memory

OnHeapAllocatememory()

Allocate 100 bytes on the heap

Allocate and Reallocate

OnHeapAllocateandreallocate()

Allocate 100 bytes and then reallocate 200 bytes on the heap

Allocate and Free

OnHeapAllocateanddelete()

Allocate 100 bytes on the heap and deallocate it

Create Heap, Allocate Memory, Destroy Heap

OnCreateHeapAllocateDestroy()

Creates a heap, makes three allocations and destroys the heap.

Allocations should not show as a leak.

Allocate Memory

OnLocalAllocatememory()

Allocate 4096 bytes using LocalAlloc().

Allocate and Reallocate

OnLocalAllocateandreallocate()

Allocates 4096 bytes and reallocates to 8192 bytes using LocalRealloc().

Allocate and Free

OnLocalAllocateanddelete()

Allocates 4096 bytes and deallocates with LocalFree().

Other functions that call LocalAlloc()

OnLocalAllocFunctions()

Allocate and leak memory using indirect calls to LocalAlloc(), eg FormatMessage().

Allocate Memory

OnGlobalAllocatememory()

Allocate 4096 bytes using GlobalAlloc().

Allocate and Reallocate

OnGlobalAllocateandreallocate()

Allocates 4096 bytes and reallocates to 8192 bytes using GlobalRealloc().

Allocate and Free

OnGlobalAllocateanddelete()

Allocates 4096 bytes and deallocates with GlobalFree().

Allocate

OnAllocationVirtualAllocate()

Commit virtual memory using VirtualAlloc().

Free

OnAllocationVirtualFree()

Decommit virtual memory using VirtualFree().

Allocate

OnAllocationVirtualexAllocate()

Commit virtual memory using VirtualAllocEx().

Free

OnAllocationVirtualexFree()

Decommit virtual memory using VirtualFreeEx().

Misc allocations

OnMiscAllocations()

Tests various functions including environment strings and array usage.

Some allocations are leaked.

NetApi allocations

OnNetApiAllocations()

Tests various functions including api buffer use.

Some allocations are leaked.

Printers

OnTestPrinters()

Opens and closes a printer and uses the printer notification api.

Some allocations are leaked.

Allocate Memory

OnCotaskmemAllocatememory()

Allocate 4000 bytes using CoTaskMemAlloc().

Allocate and Reallocate

OnCotaskmemAllocateandreallocate()

Allocates 4000 bytes and reallocates to 50000 bytes using CoTaskMemRealloc().

Allocate and Reallocate and Free

OnCotaskmemAllocateandreallocateandfree()

Allocates 4000 bytes, reallocates to 50000 and deallocates with CoTaskMemFree().

Allocate and Free

OnCotaskmemAllocateanddelete()

Allocate 4000 bytes, and deallocates with CoTaskMemFree().

Allocate Memory

OnImallocAllocatememory()

Allocate 4000 bytes using the OLE allocator.

Allocate and Reallocate

OnImallocAllocateandreallocate()

Allocates 4000 bytes and reallocates to 50000 bytes.

Allocate and Reallocate and Free

OnImallocAllocateandreallocateandfree()

Allocates 4000 bytes, reallocates to 50000 and then deallocates it.

Allocate and Free

OnImallocAllocateanddelete()

Allocate 4000 bytes, and deallocates it.

SysAllocString

OnAllocationSysallocstring()

Tests String use with SysAllocString(), SysReAllocString(), SysFreeString(), etc.

Some allocations are leaked.

CComVariant Test

OnAllocationCcomvarianttest()

Tests BSTR allocations use with Variant*() functions.

Some allocations are leaked.

CoTaskMemFree hooks (ole32)

OnTestCoTaskMemFreeHooks()

Tests various functions where memory is freed with CoTaskMemFree.

SysAllocString special test

OnAllocationSysallocstringspecialtest()

Tests multiple allocations of zero length BSTRs.

Allocations are leaked.

AddRef / Release Test

OnAllocationAddrefreleasetest()

Tests reference counting using AddRef() and Release()

Allocations are leaked.

AddRef / Release Test
  (with zero refcount error)

OnAllocationAddrefreleasetestzerocount()

As above but with additional attempt to Release() at a zero refcount.

This may bring up the assertion dialog in the Debug versions

Allocate Memory

OnCustomAllocatememory()

Allocates memory using mvUserCustomAlloc()

Allocate and Reallocate

OnCustomAllocateandreallocate()

Allocates and then reallocates using mvUserCustomReAlloc()

Allocate and Reallocate and Free

OnCustomAllocateandreallocateandfree()

Allocates, reallocates and frees using mvUserCustomFree()

Allocate and Free

OnCustomAllocateanddelete()

Allocates and frees memory

Increase Reference Count

OnAllocationCustomallocatorIncreasereferencecount()

Demonstrates use of mvUserCustomRefCountIncrement()

Decrease Reference Count

OnAllocationCustomallocatorDecreasereferencecount()

Demonstrates use of mvUserCustomRefCountDecrement()

mvCollect(TRUE)

OnMvCollectTRUE()

Demonstrates use of mvSetCollect()

mvCollect(FALSE)

OnMvCollectFALSE()

Demonstrates use of mvSetCollect()

#define'd Allocator

OnAllocationDefinedallocator()

Demonstrates use of #define to define a wrapper macro around a standard memory allocation function.

The Coverage tab is able to handle such cases.

Test Many Hooks at once

OnTestManyHooks()

A convenience test that includes a selection of the tests above and more!