--- /dev/null
+/*
+ * PROJECT: ReactOS API tests
+ * LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
+ * PURPOSE: Tests for the NtSetInformationThread API
+ * COPYRIGHT: Copyright 2020 George Bișoc <george.bisoc@reactos.org>
+ */
+
+#include "precomp.h"
+
+static
+void
+Test_ThreadPriorityClass(void)
+{
+ NTSTATUS Status;
+ KPRIORITY *Priority;
+
+ Priority = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(KPRIORITY));
+ if (Priority == NULL)
+ {
+ skip("Failed to allocate memory for thread priority variable!\n");
+ return;
+ }
+
+ /* Assign a priority */
+ *Priority = 11;
+
+ /* Everything is NULL */
+ Status = NtSetInformationThread(NULL,
+ ThreadPriority,
+ NULL,
+ 0);
+ ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
+
+ /* Give an invalid thread handle */
+ Status = NtSetInformationThread(NULL,
+ ThreadPriority,
+ Priority,
+ sizeof(KPRIORITY));
+ ok_hex(Status, STATUS_INVALID_HANDLE);
+
+ /* Don't set any priority to the thread */
+ Status = NtSetInformationThread(GetCurrentThread(),
+ ThreadPriority,
+ NULL,
+ sizeof(KPRIORITY));
+ ok_hex(Status, STATUS_ACCESS_VIOLATION);
+
+ /* The information length is incorrect */
+ Status = NtSetInformationThread(GetCurrentThread(),
+ ThreadPriority,
+ Priority,
+ 0);
+ ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
+
+ /* The buffer is misaligned and information length is incorrect */
+ Status = NtSetInformationThread(GetCurrentThread(),
+ ThreadPriority,
+ (PVOID)1,
+ 0);
+ ok_hex(Status, STATUS_INFO_LENGTH_MISMATCH);
+
+ /* The buffer is misaligned */
+ Status = NtSetInformationThread(GetCurrentThread(),
+ ThreadPriority,
+ (PVOID)1,
+ sizeof(KPRIORITY));
+ ok_hex(Status, STATUS_DATATYPE_MISALIGNMENT);
+
+ /* The buffer is misaligned -- try with an alignment size of 2 */
+ Status = NtSetInformationThread(GetCurrentThread(),
+ ThreadPriority,
+ (PVOID)2,
+ sizeof(KPRIORITY));
+ ok_hex(Status, STATUS_DATATYPE_MISALIGNMENT);
+
+ /* Set the priority to the current thread */
+ Status = NtSetInformationThread(GetCurrentThread(),
+ ThreadPriority,
+ Priority,
+ sizeof(KPRIORITY));
+ ok_hex(Status, STATUS_SUCCESS);
+
+ /*
+ * Set the priority as LOW_REALTIME_PRIORITY,
+ * we don't have privileges to do so.
+ */
+ *Priority = LOW_REALTIME_PRIORITY;
+ Status = NtSetInformationThread(GetCurrentThread(),
+ ThreadPriority,
+ Priority,
+ sizeof(KPRIORITY));
+ ok_hex(Status, STATUS_PRIVILEGE_NOT_HELD);
+
+ HeapFree(GetProcessHeap(), 0, Priority);
+}
+
+START_TEST(NtSetInformationThread)
+{
+ Test_ThreadPriorityClass();
+}
extern void func_NtSaveKey(void);
extern void func_NtSetInformationFile(void);
extern void func_NtSetInformationProcess(void);
+extern void func_NtSetInformationThread(void);
extern void func_NtSetValueKey(void);
extern void func_NtSetVolumeInformationFile(void);
extern void func_NtSystemInformation(void);
{ "NtSaveKey", func_NtSaveKey},
{ "NtSetInformationFile", func_NtSetInformationFile },
{ "NtSetInformationProcess", func_NtSetInformationProcess },
+ { "NtSetInformationThread", func_NtSetInformationThread },
{ "NtSetValueKey", func_NtSetValueKey},
{ "NtSetVolumeInformationFile", func_NtSetVolumeInformationFile },
{ "NtSystemInformation", func_NtSystemInformation },