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454f222ade
- Merge the Kernel Mode Test Suite Google Summer of Code project - Happy testing, everyone ;) svn path=/trunk/; revision=53671
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* PROJECT: ReactOS kernel-mode tests
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* LICENSE: LGPLv2+ - See COPYING.LIB in the top level directory
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* PURPOSE: Kernel-Mode Test Suite Io Regressions KM-Test (Mdl)
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* PROGRAMMER: Aleksey Bragin <aleksey@reactos.org>
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*/
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#include <kmt_test.h>
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#define NDEBUG
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#include <debug.h>
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START_TEST(IoMdl)
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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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// 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_PTR)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_PTR)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_PTR)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_PTR)Mdl, (UINT_PTR)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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}
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