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https://github.com/reactos/reactos.git
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82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
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/*
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* NTOSKRNL Io Regressions KM-Test
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* ReactOS Kernel Mode Regression Testing framework
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*
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* Copyright 2006 Aleksey Bragin <aleksey@reactos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; see the file COPYING.LIB.
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* If not, write to the Free Software Foundation,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* INCLUDES *******************************************************************/
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#include <ddk/ntddk.h>
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#include "kmtest.h"
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#define NDEBUG
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#include "debug.h"
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/* PUBLIC FUNCTIONS ***********************************************************/
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VOID FASTCALL NtoskrnlIoMdlTest()
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{
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PMDL Mdl;
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PIRP Irp;
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PVOID VirtualAddress;
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ULONG MdlSize = 2*4096+184; // 2 pages and some random value
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StartTest();
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// Try to alloc 2Gb MDL
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Mdl = IoAllocateMdl(NULL, 2048UL*0x100000, FALSE, FALSE, NULL);
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ok(Mdl == NULL,
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"IoAllocateMdl should fail allocation of 2Gb or more, but got Mdl=0x%X",
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(UINT)Mdl);
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if (Mdl)
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IoFreeMdl(Mdl);
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// Now create a valid MDL
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VirtualAddress = ExAllocatePool(NonPagedPool, MdlSize);
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Mdl = IoAllocateMdl(VirtualAddress, MdlSize, FALSE, FALSE, NULL);
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ok(Mdl != NULL, "Mdl allocation failed");
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// Check fields of the allocated struct
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ok(Mdl->Next == NULL, "Mdl->Next should be NULL, but is 0x%X",
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(UINT)Mdl->Next);
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ok(Mdl->ByteCount == MdlSize,
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"Mdl->ByteCount should be equal to MdlSize, but is 0x%X",
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(UINT)Mdl->ByteCount);
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// TODO: Check other fields of MDL struct
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IoFreeMdl(Mdl);
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// Allocate now with pointer to an Irp
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Irp = IoAllocateIrp(1, FALSE);
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ok(Irp != NULL, "IRP allocation failed");
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Mdl = IoAllocateMdl(VirtualAddress, MdlSize, FALSE, FALSE, Irp);
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ok(Mdl != NULL, "Mdl allocation failed");
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ok(Irp->MdlAddress == Mdl, "Irp->MdlAddress should be 0x%X, but is 0x%X",
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(UINT)Mdl, (UINT)Irp->MdlAddress);
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IoFreeMdl(Mdl);
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// TODO: Check a case when SecondaryBuffer == TRUE
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IoFreeIrp(Irp);
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ExFreePool(VirtualAddress);
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FinishTest("NTOSKRNL Io Mdl");
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}
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