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reactos/modules/rostests/kmtests/rtl/RtlRangeList.c

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/*
* PROJECT: ReactOS kernel-mode tests
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: Test for Rtl Range Lists
* COPYRIGHT: Copyright 2020 Thomas Faber (thomas.faber@reactos.org)
*/
#include <kmt_test.h>
#include <ndk/rtlfuncs.h>
static UCHAR MyUserData1, MyUserData2;
static UCHAR MyOwner1, MyOwner2;
/* Helpers *******************************************************************/
static
NTSTATUS
RtlAddRangeWrapper(
_Inout_ PRTL_RANGE_LIST RangeList,
_In_ const RTL_RANGE *Range,
_In_ ULONG Flags)
{
return RtlAddRange(RangeList,
Range->Start,
Range->End,
Range->Attributes,
Flags,
Range->UserData,
Range->Owner);
}
static
void
ExpectRange(
_In_ PCSTR File,
_In_ INT Line,
_In_ ULONG Index,
_In_ const RTL_RANGE *ActualRange,
_In_ const RTL_RANGE *ExpectedRange)
{
CHAR FileAndLine[128];
RtlStringCbPrintfA(FileAndLine, sizeof(FileAndLine), "%s:%d", File, Line);
KmtOk(ActualRange->Start == ExpectedRange->Start, FileAndLine,
"[%lu] Start = 0x%I64x, expected 0x%I64x\n", Index, ActualRange->Start, ExpectedRange->Start);
KmtOk(ActualRange->End == ExpectedRange->End, FileAndLine,
"[%lu] End = 0x%I64x, expected 0x%I64x\n", Index, ActualRange->End, ExpectedRange->End);
KmtOk(ActualRange->UserData == ExpectedRange->UserData, FileAndLine,
"[%lu] UserData = %p, expected %p\n", Index, ActualRange->UserData, ExpectedRange->UserData);
KmtOk(ActualRange->Owner == ExpectedRange->Owner, FileAndLine,
"[%lu] Owner = %p, expected %p\n", Index, ActualRange->Owner, ExpectedRange->Owner);
KmtOk(ActualRange->Attributes == ExpectedRange->Attributes, FileAndLine,
"[%lu] Attributes = 0x%x, expected 0x%x\n", Index, ActualRange->Attributes, ExpectedRange->Attributes);
KmtOk(ActualRange->Flags == ExpectedRange->Flags, FileAndLine,
"[%lu] Flags = 0x%x, expected 0x%x\n", Index, ActualRange->Flags, ExpectedRange->Flags);
}
static
void
ExpectRangeEntryList(
_In_ PCSTR File,
_In_ INT Line,
_In_ RTL_RANGE_LIST *RangeList,
_In_ ULONG NumRanges,
_In_reads_(NumRanges) const RTL_RANGE *Ranges)
{
NTSTATUS Status;
ULONG i;
RTL_RANGE_LIST_ITERATOR Iterator;
PRTL_RANGE Range;
CHAR FileAndLine[128];
RtlStringCbPrintfA(FileAndLine, sizeof(FileAndLine), "%s:%d", File, Line);
RtlFillMemory(&Iterator, sizeof(Iterator), 0x55);
Range = KmtInvalidPointer;
Status = RtlGetFirstRange(RangeList, &Iterator, &Range);
#ifdef _WIN64
/* Padding at the end is uninitialized */
C_ASSERT(sizeof(Iterator) == RTL_SIZEOF_THROUGH_FIELD(RTL_RANGE_LIST_ITERATOR, Stamp) + sizeof(ULONG));
KmtOk((&Iterator.Stamp)[1] == 0x55555555, FileAndLine,
"Padding is 0x%lx\n", (&Iterator.Stamp)[1]);
#endif
for (i = 0; i < NumRanges; i++)
{
if (!KmtSkip(NT_SUCCESS(Status), FileAndLine, "Range does not have %lu element(s)\n", i + 1))
{
ExpectRange(File, Line, i, Range, &Ranges[i]);
/* Validate iterator */
KmtOk(Iterator.RangeListHead == &RangeList->ListHead, FileAndLine,
"[%lu] Iterator.RangeListHead = %p, expected %p\n", i, Iterator.RangeListHead, &RangeList->ListHead);
KmtOk(Iterator.MergedHead == NULL, FileAndLine,
"[%lu] Iterator.MergedHead = %p\n", i, Iterator.MergedHead);
KmtOk(Iterator.Current == Range, FileAndLine,
"[%lu] Iterator.Current = %p, expected %p\n", i, Iterator.Current, Range);
KmtOk(Iterator.Stamp == RangeList->Stamp, FileAndLine,
"[%lu] Iterator.Stamp = %lu, expected %lu\n", i, Iterator.Stamp, RangeList->Stamp);
}
Range = KmtInvalidPointer;
Status = RtlGetNextRange(&Iterator, &Range, TRUE);
}
/* Final iteration status */
KmtOk(Status == STATUS_NO_MORE_ENTRIES, FileAndLine,
"Status = 0x%lx after enumeration\n", Status);
KmtOk(Range == NULL, FileAndLine,
"[%lu] Range = %p\n", i, Range);
KmtOk(Iterator.RangeListHead == &RangeList->ListHead, FileAndLine,
"[%lu] Iterator.RangeListHead = %p, expected %p\n", i, Iterator.RangeListHead, &RangeList->ListHead);
KmtOk(Iterator.MergedHead == NULL, FileAndLine,
"[%lu] Iterator.MergedHead = %p\n", i, Iterator.MergedHead);
KmtOk(Iterator.Current == NULL, FileAndLine,
"[%lu] Iterator.Current = %p\n", i, Iterator.Current);
KmtOk(Iterator.Stamp == RangeList->Stamp, FileAndLine,
"[%lu] Iterator.Stamp = %lu, expected %lu\n", i, Iterator.Stamp, RangeList->Stamp);
/* Try one more iteration */
Range = KmtInvalidPointer;
Status = RtlGetNextRange(&Iterator, &Range, TRUE);
KmtOk(Status == STATUS_NO_MORE_ENTRIES, FileAndLine,
"Status = 0x%lx after enumeration\n", Status);
KmtOk(Range == NULL, FileAndLine,
"[%lu] Range = %p\n", i, Range);
KmtOk(Iterator.RangeListHead == &RangeList->ListHead, FileAndLine,
"[%lu] Iterator.RangeListHead = %p, expected %p\n", i, Iterator.RangeListHead, &RangeList->ListHead);
KmtOk(Iterator.MergedHead == NULL, FileAndLine,
"[%lu] Iterator.MergedHead = %p\n", i, Iterator.MergedHead);
KmtOk(Iterator.Current == NULL, FileAndLine,
"[%lu] Iterator.Current = %p\n", i, Iterator.Current);
KmtOk(Iterator.Stamp == RangeList->Stamp, FileAndLine,
"[%lu] Iterator.Stamp = %lu, expected %lu\n", i, Iterator.Stamp, RangeList->Stamp);
}
#define expect_range_entries(RangeList, NumRanges, Ranges) \
ExpectRangeEntryList(__FILE__, __LINE__, RangeList, NumRanges, Ranges)
/* Test functions ************************************************************/
static
void
TestStartGreaterThanEnd(
_Inout_ PRTL_RANGE_LIST RangeList,
_Inout_ PRTL_RANGE Ranges)
{
NTSTATUS Status;
ULONG StartStamp = RangeList->Stamp;
Ranges[1].Start = 0x300;
Ranges[1].End = 0x2ff;
Ranges[1].Attributes = 2;
Ranges[1].Flags = 0;
Ranges[1].UserData = &MyUserData2;
Ranges[1].Owner = &MyOwner2;
/* Start > End bails out early with invalid parameter */
Status = RtlAddRangeWrapper(RangeList, &Ranges[1], 0);
ok_eq_hex(Status, STATUS_INVALID_PARAMETER);
/* List should be unchanged */
ok_eq_ulong(RangeList->Flags, 0UL);
ok_eq_ulong(RangeList->Count, 1UL);
ok_eq_ulong(RangeList->Stamp, StartStamp);
expect_range_entries(RangeList, 1, &Ranges[0]);
}
static
void
TestStartEqualsEnd(
_Inout_ PRTL_RANGE_LIST RangeList,
_Inout_ PRTL_RANGE Ranges)
{
NTSTATUS Status;
ULONG StartStamp = RangeList->Stamp;
Ranges[1].Start = 0x300;
Ranges[1].End = 0x300;
Ranges[1].Attributes = 0xff;
Ranges[1].Flags = 0;
Ranges[1].UserData = &MyUserData2;
Ranges[1].Owner = &MyOwner2;
/* Start == End is valid */
Status = RtlAddRangeWrapper(RangeList, &Ranges[1], 0);
ok_eq_hex(Status, STATUS_SUCCESS);
/* List now has two entries */
ok_eq_ulong(RangeList->Flags, 0UL);
ok_eq_ulong(RangeList->Count, 2UL);
ok_eq_ulong(RangeList->Stamp, StartStamp + 1);
expect_range_entries(RangeList, 2, &Ranges[0]);
/* Delete our new entry -- List goes back to one entry */
Status = RtlDeleteRange(RangeList, Ranges[1].Start, Ranges[1].End, Ranges[1].Owner);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_ulong(RangeList->Flags, 0UL);
ok_eq_ulong(RangeList->Count, 1UL);
ok_eq_ulong(RangeList->Stamp, StartStamp + 2);
expect_range_entries(RangeList, 1, &Ranges[0]);
}
static
void
TestSharedFlag(
_Inout_ PRTL_RANGE_LIST RangeList,
_Inout_ PRTL_RANGE Ranges)
{
NTSTATUS Status;
ULONG StartStamp = RangeList->Stamp;
Ranges[1].Start = 0x300;
Ranges[1].End = 0x400;
Ranges[1].Attributes = 2;
Ranges[1].Flags = RTL_RANGE_SHARED;
Ranges[1].UserData = &MyUserData2;
Ranges[1].Owner = &MyOwner2;
/* Pass in the shared flag */
Status = RtlAddRangeWrapper(RangeList, &Ranges[1], RTL_RANGE_LIST_ADD_SHARED);
ok_eq_hex(Status, STATUS_SUCCESS);
/* List now has two entries */
ok_eq_ulong(RangeList->Flags, 0UL);
ok_eq_ulong(RangeList->Count, 2UL);
ok_eq_ulong(RangeList->Stamp, StartStamp + 1);
expect_range_entries(RangeList, 2, &Ranges[0]);
/* Delete our new entry -- List goes back to one entry */
Status = RtlDeleteRange(RangeList, Ranges[1].Start, Ranges[1].End, Ranges[1].Owner);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_ulong(RangeList->Flags, 0UL);
ok_eq_ulong(RangeList->Count, 1UL);
ok_eq_ulong(RangeList->Stamp, StartStamp + 2);
expect_range_entries(RangeList, 1, &Ranges[0]);
}
static
void
TestIsAvailable(
_Inout_ PRTL_RANGE_LIST RangeList,
_Inout_ PRTL_RANGE Ranges)
{
NTSTATUS Status;
BOOLEAN Available;
ULONG StartStamp = RangeList->Stamp;
#define is_range_available(RangeList, Start, End, pAvail) \
RtlIsRangeAvailable(RangeList, \
Start, \
End, \
0, \
0, \
NULL, \
NULL, \
pAvail)
/* Single item range before Start */
Status = is_range_available(RangeList,
Ranges[0].Start - 1,
Ranges[0].Start - 1,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* Single item range at Start */
Status = is_range_available(RangeList,
Ranges[0].Start,
Ranges[0].Start,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Single item range at End */
Status = is_range_available(RangeList,
Ranges[0].End,
Ranges[0].End,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Single item range after End */
Status = is_range_available(RangeList,
Ranges[0].End + 1,
Ranges[0].End + 1,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* Range ending before Start */
Status = is_range_available(RangeList,
0x0,
Ranges[0].Start - 1,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* Range ending at Start */
Status = is_range_available(RangeList,
0x0,
Ranges[0].Start,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Range ending in the middle */
Status = is_range_available(RangeList,
0x0,
(Ranges[0].Start + Ranges[0].End) / 2,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Range going all the way through */
Status = is_range_available(RangeList,
0x0,
Ranges[0].End + 0x100,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Range starting in the middle */
Status = is_range_available(RangeList,
(Ranges[0].Start + Ranges[0].End) / 2,
Ranges[0].End + 0x100,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Range starting at End */
Status = is_range_available(RangeList,
Ranges[0].End,
Ranges[0].End + 0x100,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Range starting after End */
Status = is_range_available(RangeList,
Ranges[0].End + 1,
Ranges[0].End + 0x100,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* Start > End, at start */
Status = is_range_available(RangeList,
Ranges[0].Start,
Ranges[0].Start - 1,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* Start > End, at start */
Status = is_range_available(RangeList,
Ranges[0].Start + 1,
Ranges[0].Start,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Start > End, at end */
Status = is_range_available(RangeList,
Ranges[0].End + 1,
Ranges[0].End,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* Start > End, at end */
Status = is_range_available(RangeList,
Ranges[0].End,
Ranges[0].End - 1,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, FALSE);
/* Start > End, through the range */
Status = is_range_available(RangeList,
Ranges[0].End + 1,
Ranges[0].Start - 1,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* AttributesAvailableMask will make our range available */
Status = RtlIsRangeAvailable(RangeList,
0x0,
Ranges[0].End + 0x100,
0,
Ranges[0].Attributes,
NULL,
NULL,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
/* AttributesAvailableMask with additional bits */
Status = RtlIsRangeAvailable(RangeList,
0x0,
Ranges[0].End + 0x100,
0,
0xFF,
NULL,
NULL,
&Available);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_bool(Available, TRUE);
ok_eq_ulong(RangeList->Stamp, StartStamp);
}
/* Entry point ***************************************************************/
START_TEST(RtlRangeList)
{
NTSTATUS Status;
RTL_RANGE_LIST RangeList;
RTL_RANGE Ranges[5];
ULONG Stamp;
RtlFillMemory(&RangeList, sizeof(RangeList), 0x55);
RtlInitializeRangeList(&RangeList);
ok(IsListEmpty(&RangeList.ListHead),
"RangeList.ListHead %p %p %p, expected empty\n",
&RangeList.ListHead, RangeList.ListHead.Flink, RangeList.ListHead.Blink);
ok_eq_ulong(RangeList.Flags, 0UL);
ok_eq_ulong(RangeList.Count, 0UL);
ok_eq_ulong(RangeList.Stamp, 0UL);
#ifdef _WIN64
/* Padding at the end is uninitialized */
C_ASSERT(sizeof(RangeList) == RTL_SIZEOF_THROUGH_FIELD(RTL_RANGE_LIST, Stamp) + sizeof(ULONG));
ok_eq_ulong((&RangeList.Stamp)[1], 0x55555555UL);
#endif
/* Add a simple range */
Ranges[0].Start = 0x100;
Ranges[0].End = 0x200;
Ranges[0].Attributes = 1;
Ranges[0].Flags = 0;
Ranges[0].UserData = &MyUserData1;
Ranges[0].Owner = &MyOwner1;
Status = RtlAddRangeWrapper(&RangeList, &Ranges[0], 0);
ok_eq_hex(Status, STATUS_SUCCESS);
ok_eq_ulong(RangeList.Flags, 0UL);
ok_eq_ulong(RangeList.Count, 1UL);
ok_eq_ulong(RangeList.Stamp, 1UL);
expect_range_entries(&RangeList, 1, &Ranges[0]);
/*
* Individual tests.
* These should always leave the list with our single start entry.
* Stamp may change between tests.
*/
TestStartGreaterThanEnd(&RangeList, Ranges);
TestStartEqualsEnd(&RangeList, Ranges);
TestSharedFlag(&RangeList, Ranges);
TestIsAvailable(&RangeList, Ranges);
Stamp = RangeList.Stamp;
/* Free it and check the result */
RtlFreeRangeList(&RangeList);
ok_eq_ulong(RangeList.Flags, 0UL);
ok_eq_ulong(RangeList.Count, 0UL);
ok_eq_ulong(RangeList.Stamp, Stamp);
expect_range_entries(&RangeList, 0, NULL);
}
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