reactos/modules/rostests/kmtests/ntos_ex/ExCallback.c

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/*
* PROJECT: ReactOS kernel-mode tests
* LICENSE: GPLv2+ - See COPYING in the top level directory
* PURPOSE: Kernel-Mode Test Suite Executive Callback test
* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
*/
#include <kmt_test.h>
static
PEX_CALLBACK_ROUTINE_BLOCK
(NTAPI
*ExAllocateCallBack)(
IN PEX_CALLBACK_FUNCTION Function,
IN PVOID Context
)
//= (PVOID)0x809af1f4 // 2003 sp1 x86
//= (PVOID)0x80a7f04a // 2003 sp1 x86 checked
;
static
VOID
(NTAPI
*ExFreeCallBack)(
IN PEX_CALLBACK_ROUTINE_BLOCK CallbackBlock
)
//= (PVOID)0x80918bb5 // 2003 sp1 x86
//= (PVOID)0x80a355f0 // 2003 sp1 x86 checked
;
static INT CallbackArgument1;
static INT CallbackArgument2;
static
NTSTATUS
NTAPI
ExCallbackFunction(
IN PVOID CallbackContext,
IN PVOID Argument1 OPTIONAL,
IN PVOID Argument2 OPTIONAL)
{
ok(0, "Callback function unexpectedly called\n");
return STATUS_SUCCESS;
}
static
VOID
TestPrivateFunctions(VOID)
{
UNICODE_STRING ExAllocateCallBackName = RTL_CONSTANT_STRING(L"ExAllocateCallBack");
UNICODE_STRING ExFreeCallBackName = RTL_CONSTANT_STRING(L"ExFreeCallBack");
PEX_CALLBACK_ROUTINE_BLOCK CallbackBlock;
INT CallbackContext;
if (!ExAllocateCallBack)
ExAllocateCallBack = MmGetSystemRoutineAddress(&ExAllocateCallBackName);
if (!ExFreeCallBack)
ExFreeCallBack = MmGetSystemRoutineAddress(&ExFreeCallBackName);
if (skip(ExAllocateCallBack && ExFreeCallBack,
"ExAllocateCallBack and/or ExFreeCallBack unavailable\n"))
return;
CallbackBlock = ExAllocateCallBack(ExCallbackFunction, &CallbackContext);
ok(CallbackBlock != NULL, "CallbackBlock = NULL\n");
if (skip(CallbackBlock != NULL, "Allocating callback failed\n"))
return;
ok_eq_pointer(CallbackBlock->Function, ExCallbackFunction);
ok_eq_pointer(CallbackBlock->Context, &CallbackContext);
ok_eq_hex(KmtGetPoolTag(CallbackBlock), 'brbC');
ExFreeCallBack(CallbackBlock);
}
static
VOID
NTAPI
CallbackFunction(
IN PVOID CallbackContext,
IN PVOID Argument1,
IN PVOID Argument2)
{
INT *InvocationCount = CallbackContext;
ok_irql(PASSIVE_LEVEL);
(*InvocationCount)++;
ok_eq_pointer(Argument1, &CallbackArgument1);
ok_eq_pointer(Argument2, &CallbackArgument2);
}
START_TEST(ExCallback)
{
NTSTATUS Status;
PCALLBACK_OBJECT CallbackObject;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING CallbackName = RTL_CONSTANT_STRING(L"\\Callback\\KmtestExCallbackTestCallback");
PVOID CallbackRegistration;
INT InvocationCount = 0;
TestPrivateFunctions();
/* TODO: Parameter tests */
/* TODO: Test the three predefined callbacks */
/* TODO: Test opening an existing callback */
/* TODO: Test AllowMultipleCallbacks */
/* TODO: Test calling multiple callbacks */
/* TODO: Test registering the same function twice */
/* TODO: Test callback object fields */
/* TODO: Test callback registration fields */
InitializeObjectAttributes(&ObjectAttributes,
&CallbackName,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
CallbackObject = KmtInvalidPointer;
Status = ExCreateCallback(&CallbackObject,
&ObjectAttributes,
TRUE,
TRUE);
ok_eq_hex(Status, STATUS_SUCCESS);
ok(CallbackObject != NULL && CallbackObject != KmtInvalidPointer,
"CallbackObject = %p", CallbackObject);
if (skip(NT_SUCCESS(Status), "Creating callback failed\n"))
return;
CallbackRegistration = ExRegisterCallback(CallbackObject,
CallbackFunction,
&InvocationCount);
ok(CallbackRegistration != NULL, "CallbackRegistration = NULL\n");
if (!skip(CallbackRegistration != NULL, "Registering callback failed\n"))
{
ok_eq_hex(KmtGetPoolTag(CallbackRegistration), 'eRBC');
ok_eq_int(InvocationCount, 0);
ExNotifyCallback(CallbackObject,
&CallbackArgument1,
&CallbackArgument2);
ok_eq_int(InvocationCount, 1);
ExNotifyCallback(CallbackObject,
&CallbackArgument1,
&CallbackArgument2);
ok_eq_int(InvocationCount, 2);
ExUnregisterCallback(CallbackRegistration);
}
ObDereferenceObject(CallbackObject);
}