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reactos/modules/rostests/apitests/ntdll/NtFreeVirtualMemory.c
Hermès Bélusca-Maïto 9393fc320e
[FORMATTING] Remove trailing whitespace. Addendum to 34593d93. 
Excluded: 3rd-party code (incl. wine) and most of the win32ss.
2021-09-13 03:52:22 +02:00

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/*
* PROJECT: ReactOS API Tests
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
* PURPOSE: Test for NtFreeVirtualMemory
* COPYRIGHT: Copyright 2011 Jérôme Gardou <jerome.gardou@reactos.org>
* Copyright 2017 Serge Gautherie <reactos-git_serge_171003@gautherie.fr>
*/
#include "precomp.h"
static void Test_NtFreeVirtualMemory(void)
{
PVOID Buffer = NULL, Buffer2;
SIZE_T Length = PAGE_SIZE;
NTSTATUS Status;
Status = NtAllocateVirtualMemory(NtCurrentProcess(),
&Buffer,
0,
&Length,
MEM_RESERVE,
PAGE_READWRITE);
ok(NT_SUCCESS(Status), "NtAllocateVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(((ULONG_PTR)Buffer % PAGE_SIZE) == 0, "The buffer is not aligned to PAGE_SIZE.\n");
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer,
&Length,
MEM_DECOMMIT);
ok(Status == STATUS_SUCCESS, "NtFreeVirtualMemory failed : 0x%08lx\n", Status);
/* Now try to free more than we got */
Length++;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer,
&Length,
MEM_DECOMMIT);
ok(Status == STATUS_UNABLE_TO_FREE_VM, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer,
&Length,
MEM_RELEASE);
ok(Status == STATUS_UNABLE_TO_FREE_VM, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
/* Free out of bounds from the wrong origin */
Length = PAGE_SIZE;
Buffer2 = (PVOID)((ULONG_PTR)Buffer+1);
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_DECOMMIT);
ok(Status == STATUS_UNABLE_TO_FREE_VM, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
Buffer2 = (PVOID)((ULONG_PTR)Buffer+1);
Length = PAGE_SIZE;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_RELEASE);
ok(Status == STATUS_UNABLE_TO_FREE_VM, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
/* Same but in bounds */
Length = PAGE_SIZE - 1;
Buffer2 = (PVOID)((ULONG_PTR)Buffer+1);
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_DECOMMIT);
ok(Status == STATUS_SUCCESS, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
ok(Buffer2 == Buffer, "NtFreeVirtualMemory set wrong buffer.\n");
ok(Length == PAGE_SIZE, "NtFreeVirtualMemory did not round Length to PAGE_SIZE.\n");
Buffer2 = (PVOID)((ULONG_PTR)Buffer+1);
Length = PAGE_SIZE-1;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_RELEASE);
ok(Status == STATUS_SUCCESS, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
ok(Buffer2 == Buffer, "NtFreeVirtualMemory set wrong buffer.\n");
ok(Length == PAGE_SIZE, "NtFreeVirtualMemory did not round Length to PAGE_SIZE.\n");
/* Now allocate two pages and try to free them one after the other */
Length = 2*PAGE_SIZE;
Status = NtAllocateVirtualMemory(NtCurrentProcess(),
&Buffer,
0,
&Length,
MEM_RESERVE,
PAGE_READWRITE);
ok(NT_SUCCESS(Status), "NtAllocateVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == 2*PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(((ULONG_PTR)Buffer % PAGE_SIZE) == 0, "The buffer is not aligned to PAGE_SIZE.\n");
Buffer2 = Buffer;
Length = PAGE_SIZE;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_RELEASE);
ok(NT_SUCCESS(Status), "NtFreeVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(Buffer2 == Buffer, "The buffer is not aligned to PAGE_SIZE.\n");
Buffer2 = (PVOID)((ULONG_PTR)Buffer+PAGE_SIZE);
Length = PAGE_SIZE;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_RELEASE);
ok(NT_SUCCESS(Status), "NtFreeVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(Buffer2 == (PVOID)((ULONG_PTR)Buffer+PAGE_SIZE), "The buffer is not aligned to PAGE_SIZE.\n");
/* Same, but try to free the second page before the first one */
Length = 2*PAGE_SIZE;
Status = NtAllocateVirtualMemory(NtCurrentProcess(),
&Buffer,
0,
&Length,
MEM_RESERVE,
PAGE_READWRITE);
ok(NT_SUCCESS(Status), "NtAllocateVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == 2*PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(((ULONG_PTR)Buffer % PAGE_SIZE) == 0, "The buffer is not aligned to PAGE_SIZE.\n");
Buffer2 = (PVOID)((ULONG_PTR)Buffer+PAGE_SIZE);
Length = PAGE_SIZE;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_RELEASE);
ok(NT_SUCCESS(Status), "NtFreeVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(Buffer2 == (PVOID)((ULONG_PTR)Buffer+PAGE_SIZE), "The buffer is not aligned to PAGE_SIZE.\n");
Buffer2 = Buffer;
Length = PAGE_SIZE;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_RELEASE);
ok(NT_SUCCESS(Status), "NtFreeVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(Buffer2 == Buffer, "The buffer is not aligned to PAGE_SIZE.\n");
/* Now allocate two pages and try to free them in the middle */
Length = 2*PAGE_SIZE;
Status = NtAllocateVirtualMemory(NtCurrentProcess(),
&Buffer,
0,
&Length,
MEM_RESERVE,
PAGE_READWRITE);
ok(NT_SUCCESS(Status), "NtAllocateVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == 2*PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(((ULONG_PTR)Buffer % PAGE_SIZE) == 0, "The buffer is not aligned to PAGE_SIZE.\n");
Buffer2 = (PVOID)((ULONG_PTR)Buffer+1);
Length = PAGE_SIZE;
Status = NtFreeVirtualMemory(NtCurrentProcess(),
&Buffer2,
&Length,
MEM_RELEASE);
ok(NT_SUCCESS(Status), "NtFreeVirtualMemory failed : 0x%08lx\n", Status);
ok(Length == 2*PAGE_SIZE, "Length mismatch : 0x%08lx\n", (ULONG)Length);
ok(Buffer2 == Buffer, "The buffer is not aligned to PAGE_SIZE.\n");
}
static void Test_NtFreeVirtualMemory_Parameters(void)
{
NTSTATUS Status;
ULONG FreeType;
int i;
// 4th parameter: "ULONG FreeType".
// A type is mandatory.
Status = NtFreeVirtualMemory(NULL, NULL, NULL, 0ul);
ok(Status == STATUS_INVALID_PARAMETER_4, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
// All but MEM_DECOMMIT and MEM_RELEASE are unsupported.
// Each bit one by one.
for (i = 0; i < 32; ++i)
{
FreeType = 1 << i;
if (FreeType == MEM_DECOMMIT || FreeType == MEM_RELEASE)
continue;
Status = NtFreeVirtualMemory(NULL, NULL, NULL, FreeType);
ok(Status == STATUS_INVALID_PARAMETER_4, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
}
// All bits at once.
// Not testing all other values.
Status = NtFreeVirtualMemory(NULL, NULL, NULL, ~(MEM_DECOMMIT | MEM_RELEASE));
ok(Status == STATUS_INVALID_PARAMETER_4, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
Status = NtFreeVirtualMemory(NULL, NULL, NULL, ~MEM_DECOMMIT);
ok(Status == STATUS_INVALID_PARAMETER_4, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
Status = NtFreeVirtualMemory(NULL, NULL, NULL, ~MEM_RELEASE);
ok(Status == STATUS_INVALID_PARAMETER_4, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
Status = NtFreeVirtualMemory(NULL, NULL, NULL, ~0ul);
ok(Status == STATUS_INVALID_PARAMETER_4, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
// MEM_DECOMMIT and MEM_RELEASE are exclusive.
Status = NtFreeVirtualMemory(NULL, NULL, NULL, MEM_DECOMMIT | MEM_RELEASE);
ok(Status == STATUS_INVALID_PARAMETER_4, "NtFreeVirtualMemory returned status : 0x%08lx\n", Status);
}
START_TEST(NtFreeVirtualMemory)
{
Test_NtFreeVirtualMemory();
Test_NtFreeVirtualMemory_Parameters();
}
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