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![Thomas Faber](/assets/img/avatar_default.png)
- Return sensible values for KernelTime/UserTime from NtQueryInformationProcess:ProcessTimes CORE-7007 #resolve svn path=/trunk/; revision=71153
198 lines
7.9 KiB
C
198 lines
7.9 KiB
C
/*
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* PROJECT: ReactOS API tests
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* LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory
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* PURPOSE: Tests for the NtQueryInformationProcess API
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* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
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*/
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#include <apitest.h>
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#define WIN32_NO_STATUS
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#include <ndk/rtlfuncs.h>
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#include <ndk/kefuncs.h>
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#include <ndk/psfuncs.h>
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static LARGE_INTEGER TestStartTime;
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static
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void
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Test_ProcessTimes(void)
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{
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#define SPIN_TIME 1000000
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NTSTATUS Status;
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KERNEL_USER_TIMES Times1;
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KERNEL_USER_TIMES Times2;
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ULONG Length;
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LARGE_INTEGER Time1, Time2;
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/* Everything is NULL */
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Status = NtQueryInformationProcess(NULL,
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ProcessTimes,
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NULL,
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0,
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NULL);
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ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
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/* Right size, invalid process */
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Status = NtQueryInformationProcess(NULL,
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ProcessTimes,
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NULL,
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sizeof(KERNEL_USER_TIMES),
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NULL);
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ok_hex(Status, STATUS_INVALID_HANDLE);
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/* Valid process, no buffer */
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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NULL,
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0,
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NULL);
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ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
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/* Unaligned buffer, wrong size */
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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(PVOID)2,
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0,
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NULL);
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ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
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/* Unaligned buffer, correct size */
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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(PVOID)2,
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sizeof(KERNEL_USER_TIMES),
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NULL);
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ok_hex(Status, STATUS_DATATYPE_MISALIGNMENT);
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/* Buffer too small */
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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NULL,
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sizeof(KERNEL_USER_TIMES) - 1,
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NULL);
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ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
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/* Right buffer size but NULL pointer */
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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NULL,
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sizeof(KERNEL_USER_TIMES),
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NULL);
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ok_hex(Status, STATUS_ACCESS_VIOLATION);
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/* Buffer too large */
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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NULL,
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sizeof(KERNEL_USER_TIMES) + 1,
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NULL);
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ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
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/* Buffer too small, ask for length */
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Length = 0x55555555;
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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NULL,
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sizeof(KERNEL_USER_TIMES) - 1,
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&Length);
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ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
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ok_dec(Length, 0x55555555);
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Status = NtQuerySystemTime(&Time1);
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ok_hex(Status, STATUS_SUCCESS);
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/* Do some busy waiting to increase UserTime */
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do
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{
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Status = NtQuerySystemTime(&Time2);
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if (!NT_SUCCESS(Status))
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{
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ok(0, "NtQuerySystemTime failed with %lx\n", Status);
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break;
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}
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} while (Time2.QuadPart - Time1.QuadPart < SPIN_TIME);
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/* Valid parameters, no return length */
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Status = NtQuerySystemTime(&Time1);
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ok_hex(Status, STATUS_SUCCESS);
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RtlFillMemory(&Times1, sizeof(Times1), 0x55);
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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&Times1,
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sizeof(KERNEL_USER_TIMES),
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NULL);
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ok_hex(Status, STATUS_SUCCESS);
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ok(Times1.CreateTime.QuadPart < TestStartTime.QuadPart,
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"CreateTime is %I64u, expected < %I64u\n", Times1.CreateTime.QuadPart, TestStartTime.QuadPart);
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ok(Times1.CreateTime.QuadPart > TestStartTime.QuadPart - 100000000LL,
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"CreateTime is %I64u, expected > %I64u\n", Times1.CreateTime.QuadPart, TestStartTime.QuadPart - 100000000LL);
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ok(Times1.ExitTime.QuadPart == 0,
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"ExitTime is %I64u, expected 0\n", Times1.ExitTime.QuadPart);
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ok(Times1.KernelTime.QuadPart != 0, "KernelTime is 0\n");
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ok(Times1.UserTime.QuadPart != 0, "UserTime is 0\n");
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/* Do some busy waiting to increase UserTime */
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do
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{
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Status = NtQuerySystemTime(&Time2);
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if (!NT_SUCCESS(Status))
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{
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ok(0, "NtQuerySystemTime failed with %lx\n", Status);
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break;
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}
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} while (Time2.QuadPart - Time1.QuadPart < SPIN_TIME);
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/* Again, this time with a return length */
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Length = 0x55555555;
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RtlFillMemory(&Times2, sizeof(Times2), 0x55);
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Status = NtQueryInformationProcess(NtCurrentProcess(),
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ProcessTimes,
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&Times2,
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sizeof(KERNEL_USER_TIMES),
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&Length);
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ok_hex(Status, STATUS_SUCCESS);
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ok_dec(Length, sizeof(KERNEL_USER_TIMES));
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ok(Times1.CreateTime.QuadPart == Times2.CreateTime.QuadPart,
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"CreateTimes not equal: %I64u != %I64u\n", Times1.CreateTime.QuadPart, Times2.CreateTime.QuadPart);
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ok(Times2.ExitTime.QuadPart == 0,
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"ExitTime is %I64u, expected 0\n", Times2.ExitTime.QuadPart);
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ok(Times2.KernelTime.QuadPart != 0, "KernelTime is 0\n");
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ok(Times2.UserTime.QuadPart != 0, "UserTime is 0\n");
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/* Compare the two sets of KernelTime/UserTime values */
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Status = NtQuerySystemTime(&Time2);
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ok_hex(Status, STATUS_SUCCESS);
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/* Time values must have increased */
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ok(Times2.KernelTime.QuadPart > Times1.KernelTime.QuadPart,
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"KernelTime values inconsistent. Expected %I64u > %I64u\n", Times2.KernelTime.QuadPart, Times1.KernelTime.QuadPart);
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ok(Times2.UserTime.QuadPart > Times1.UserTime.QuadPart,
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"UserTime values inconsistent. Expected %I64u > %I64u\n", Times2.UserTime.QuadPart, Times1.UserTime.QuadPart);
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/* They can't have increased by more than wall clock time difference (we only have one thread) */
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ok(Times2.KernelTime.QuadPart - Times1.KernelTime.QuadPart < Time2.QuadPart - Time1.QuadPart,
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"KernelTime values inconsistent. Expected %I64u - %I64u < %I64u\n",
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Times2.KernelTime.QuadPart, Times1.KernelTime.QuadPart, Time2.QuadPart - Time1.QuadPart);
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ok(Times2.UserTime.QuadPart - Times1.UserTime.QuadPart < Time2.QuadPart - Time1.QuadPart,
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"UserTime values inconsistent. Expected %I64u - %I64u < %I64u\n",
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Times2.UserTime.QuadPart, Times1.UserTime.QuadPart, Time2.QuadPart - Time1.QuadPart);
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trace("KernelTime1 = %I64u\n", Times1.KernelTime.QuadPart);
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trace("KernelTime2 = %I64u\n", Times2.KernelTime.QuadPart);
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trace("UserTime1 = %I64u\n", Times1.UserTime.QuadPart);
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trace("UserTime2 = %I64u\n", Times2.UserTime.QuadPart);
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/* TODO: Test ExitTime on a terminated process */
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#undef SPIN_TIME
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}
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START_TEST(NtQueryInformationProcess)
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{
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NTSTATUS Status;
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Status = NtQuerySystemTime(&TestStartTime);
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ok_hex(Status, STATUS_SUCCESS);
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Test_ProcessTimes();
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}
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