threadpoolwinrt: Add initial implementation of RunAsync.

configure

@@ -21960,6 +21960,7 @@ wine_fn_config_makefile dlls/tbs enable_tbs
 wine_fn_config_makefile dlls/tdh enable_tdh
 wine_fn_config_makefile dlls/tdi.sys enable_tdi_sys
 wine_fn_config_makefile dlls/threadpoolwinrt enable_threadpoolwinrt
+wine_fn_config_makefile dlls/threadpoolwinrt/tests enable_tests
 wine_fn_config_makefile dlls/toolhelp.dll16 enable_win16
 wine_fn_config_makefile dlls/traffic enable_traffic
 wine_fn_config_makefile dlls/twain.dll16 enable_win16

configure.ac

@@ -3065,6 +3065,7 @@ WINE_CONFIG_MAKEFILE(dlls/tbs)
 WINE_CONFIG_MAKEFILE(dlls/tdh)
 WINE_CONFIG_MAKEFILE(dlls/tdi.sys)
 WINE_CONFIG_MAKEFILE(dlls/threadpoolwinrt)
+WINE_CONFIG_MAKEFILE(dlls/threadpoolwinrt/tests)
 WINE_CONFIG_MAKEFILE(dlls/toolhelp.dll16,enable_win16)
 WINE_CONFIG_MAKEFILE(dlls/traffic)
 WINE_CONFIG_MAKEFILE(dlls/twain.dll16,enable_win16)

dlls/threadpoolwinrt/main.c

@@ -17,6 +17,7 @@
  */
 
 #include <stdarg.h>
+#include <assert.h>
 
 #define COBJMACROS
 #include "windef.h"
@@ -52,6 +53,13 @@ struct threadpool_factory
     LONG refcount;
 };
 
+struct async_action
+{
+    IAsyncAction IAsyncAction_iface;
+    IAsyncInfo IAsyncInfo_iface;
+    LONG refcount;
+};
+
 static inline struct threadpool_factory *impl_from_IActivationFactory(IActivationFactory *iface)
 {
     return CONTAINING_RECORD(iface, struct threadpool_factory, IActivationFactory_iface);
@@ -62,6 +70,374 @@ static inline struct threadpool_factory *impl_from_IThreadPoolStatics(IThreadPoo
     return CONTAINING_RECORD(iface, struct threadpool_factory, IThreadPoolStatics_iface);
 }
 
+static inline struct async_action *impl_from_IAsyncAction(IAsyncAction *iface)
+{
+    return CONTAINING_RECORD(iface, struct async_action, IAsyncAction_iface);
+}
+
+static inline struct async_action *impl_from_IAsyncInfo(IAsyncInfo *iface)
+{
+    return CONTAINING_RECORD(iface, struct async_action, IAsyncInfo_iface);
+}
+
+static HRESULT STDMETHODCALLTYPE async_action_QueryInterface(IAsyncAction *iface, REFIID iid, void **out)
+{
+    struct async_action *action = impl_from_IAsyncAction(iface);
+
+    TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
+
+    if (IsEqualIID(iid, &IID_IAsyncAction)
+            || IsEqualIID(iid, &IID_IInspectable)
+            || IsEqualIID(iid, &IID_IUnknown))
+    {
+        *out = iface;
+    }
+    else if (IsEqualIID(iid, &IID_IAsyncInfo))
+    {
+        *out = &action->IAsyncInfo_iface;
+    }
+    else
+    {
+        *out = NULL;
+        WARN("Unsupported interface %s.\n", debugstr_guid(iid));
+    }
+
+    IUnknown_AddRef((IUnknown *)*out);
+    return S_OK;
+}
+
+static ULONG STDMETHODCALLTYPE async_action_AddRef(IAsyncAction *iface)
+{
+    struct async_action *action = impl_from_IAsyncAction(iface);
+    ULONG refcount = InterlockedIncrement(&action->refcount);
+
+    TRACE("iface %p, refcount %lu.\n", iface, refcount);
+
+    return refcount;
+}
+
+static ULONG STDMETHODCALLTYPE async_action_Release(IAsyncAction *iface)
+{
+    struct async_action *action = impl_from_IAsyncAction(iface);
+    ULONG refcount = InterlockedDecrement(&action->refcount);
+
+    TRACE("iface %p, refcount %lu.\n", iface, refcount);
+
+    if (!refcount)
+        free(action);
+
+    return refcount;
+}
+
+static HRESULT STDMETHODCALLTYPE async_action_GetIids(
+        IAsyncAction *iface, ULONG *iid_count, IID **iids)
+{
+    FIXME("iface %p, iid_count %p, iids %p stub!\n", iface, iid_count, iids);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_action_GetRuntimeClassName(
+        IAsyncAction *iface, HSTRING *class_name)
+{
+    FIXME("iface %p, class_name %p stub!\n", iface, class_name);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_action_GetTrustLevel(
+        IAsyncAction *iface, TrustLevel *trust_level)
+{
+    FIXME("iface %p, trust_level %p stub!\n", iface, trust_level);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_action_put_Completed(IAsyncAction *iface, IAsyncActionCompletedHandler *handler)
+{
+    FIXME("iface %p, handler %p stub!\n", iface, handler);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_action_get_Completed(IAsyncAction *iface, IAsyncActionCompletedHandler **handler)
+{
+    FIXME("iface %p, handler %p stub!\n", iface, handler);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_action_GetResults(IAsyncAction *iface)
+{
+    FIXME("iface %p stub!\n", iface);
+
+    return E_NOTIMPL;
+}
+
+static const IAsyncActionVtbl async_action_vtbl =
+{
+    async_action_QueryInterface,
+    async_action_AddRef,
+    async_action_Release,
+    async_action_GetIids,
+    async_action_GetRuntimeClassName,
+    async_action_GetTrustLevel,
+    async_action_put_Completed,
+    async_action_get_Completed,
+    async_action_GetResults,
+};
+
+static HRESULT STDMETHODCALLTYPE async_info_QueryInterface(IAsyncInfo *iface, REFIID iid, void **out)
+{
+    struct async_action *action = impl_from_IAsyncInfo(iface);
+    return IAsyncAction_QueryInterface(&action->IAsyncAction_iface, iid, out);
+}
+
+static ULONG STDMETHODCALLTYPE async_info_AddRef(IAsyncInfo *iface)
+{
+    struct async_action *action = impl_from_IAsyncInfo(iface);
+    return IAsyncAction_AddRef(&action->IAsyncAction_iface);
+}
+
+static ULONG STDMETHODCALLTYPE async_info_Release(IAsyncInfo *iface)
+{
+    struct async_action *action = impl_from_IAsyncInfo(iface);
+    return IAsyncAction_AddRef(&action->IAsyncAction_iface);
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_GetIids(IAsyncInfo *iface, ULONG *iid_count, IID **iids)
+{
+    struct async_action *action = impl_from_IAsyncInfo(iface);
+    return IAsyncAction_GetIids(&action->IAsyncAction_iface, iid_count, iids);
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_GetRuntimeClassName(IAsyncInfo *iface, HSTRING *class_name)
+{
+    struct async_action *action = impl_from_IAsyncInfo(iface);
+    return IAsyncAction_GetRuntimeClassName(&action->IAsyncAction_iface, class_name);
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_GetTrustLevel(IAsyncInfo *iface, TrustLevel *trust_level)
+{
+    struct async_action *action = impl_from_IAsyncInfo(iface);
+    return IAsyncAction_GetTrustLevel(&action->IAsyncAction_iface, trust_level);
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_get_Id(IAsyncInfo *iface, UINT32 *id)
+{
+    FIXME("iface %p, id %p stub!\n", iface, id);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_get_Status(IAsyncInfo *iface, AsyncStatus *status)
+{
+    FIXME("iface %p, status %p stub!\n", iface, status);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_get_ErrorCode(IAsyncInfo *iface, HRESULT *error_code)
+{
+    FIXME("iface %p, error_code %p stub!\n", iface, error_code);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_Cancel(IAsyncInfo *iface)
+{
+    FIXME("iface %p stub!\n", iface);
+
+    return E_NOTIMPL;
+}
+
+static HRESULT STDMETHODCALLTYPE async_info_Close(IAsyncInfo *iface)
+{
+    FIXME("iface %p stub!\n", iface);
+
+    return E_NOTIMPL;
+}
+
+static const IAsyncInfoVtbl async_info_vtbl =
+{
+    async_info_QueryInterface,
+    async_info_AddRef,
+    async_info_Release,
+    async_info_GetIids,
+    async_info_GetRuntimeClassName,
+    async_info_GetTrustLevel,
+    async_info_get_Id,
+    async_info_get_Status,
+    async_info_get_ErrorCode,
+    async_info_Cancel,
+    async_info_Close,
+};
+
+static HRESULT async_action_create(IAsyncAction **ret)
+{
+    struct async_action *object;
+
+    *ret = NULL;
+
+    if (!(object = calloc(1, sizeof(*object))))
+        return E_OUTOFMEMORY;
+
+    object->IAsyncAction_iface.lpVtbl = &async_action_vtbl;
+    object->IAsyncInfo_iface.lpVtbl = &async_info_vtbl;
+    object->refcount = 1;
+
+    *ret = &object->IAsyncAction_iface;
+
+    return S_OK;
+}
+
+struct work_item
+{
+    IWorkItemHandler *handler;
+    IAsyncAction *action;
+};
+
+static void release_work_item(struct work_item *item)
+{
+    IWorkItemHandler_Release(item->handler);
+    IAsyncAction_Release(item->action);
+    free(item);
+}
+
+static HRESULT alloc_work_item(IWorkItemHandler *handler, struct work_item **ret)
+{
+    struct work_item *object;
+    HRESULT hr;
+
+    *ret = NULL;
+
+    if (!(object = calloc(1, sizeof(*object))))
+        return E_OUTOFMEMORY;
+
+    if (FAILED(hr = async_action_create(&object->action)))
+    {
+        free(object);
+        return hr;
+    }
+
+    IWorkItemHandler_AddRef((object->handler = handler));
+
+    *ret = object;
+
+    return S_OK;
+}
+
+static void work_item_invoke_release(struct work_item *item)
+{
+    IWorkItemHandler_Invoke(item->handler, item->action);
+    release_work_item(item);
+}
+
+static DWORD WINAPI sliced_thread_proc(void *arg)
+{
+    struct work_item *item = arg;
+    work_item_invoke_release(item);
+    return 0;
+}
+
+struct thread_pool
+{
+    INIT_ONCE init_once;
+    TP_POOL *pool;
+};
+
+static struct thread_pool pools[3];
+
+static BOOL CALLBACK pool_init_once(INIT_ONCE *init_once, void *param, void **context)
+{
+    struct thread_pool *pool = param;
+
+    if (!(pool->pool = CreateThreadpool(NULL))) return FALSE;
+
+    SetThreadpoolThreadMaximum(pool->pool, 10);
+
+    return TRUE;
+}
+
+static void CALLBACK pool_work_callback(TP_CALLBACK_INSTANCE *instance, void *context, TP_WORK *work)
+{
+    struct work_item *item = context;
+    work_item_invoke_release(item);
+}
+
+static HRESULT submit_threadpool_work(struct work_item *item, WorkItemPriority priority, IAsyncAction **action)
+{
+    struct thread_pool *pool;
+    TP_WORK *work;
+
+    assert(priority == WorkItemPriority_Low
+            || priority == WorkItemPriority_Normal
+            || priority == WorkItemPriority_High);
+
+    pool = &pools[priority + 1];
+
+    if (!InitOnceExecuteOnce(&pool->init_once, pool_init_once, pool, NULL))
+        return E_FAIL;
+
+    if (!(work = CreateThreadpoolWork(pool_work_callback, item, NULL)))
+        return E_FAIL;
+
+    IAsyncAction_AddRef((*action = item->action));
+    SubmitThreadpoolWork(work);
+
+    return S_OK;
+}
+
+static HRESULT submit_standalone_thread_work(struct work_item *item, WorkItemPriority priority, IAsyncAction **action)
+{
+    HANDLE thread;
+
+    if (!(thread = CreateThread(NULL, 0, sliced_thread_proc, item, priority == WorkItemPriority_Normal ?
+            0 : CREATE_SUSPENDED, NULL)))
+    {
+        WARN("Failed to create a thread, error %ld.\n", GetLastError());
+        return HRESULT_FROM_WIN32(GetLastError());
+    }
+
+    IAsyncAction_AddRef((*action = item->action));
+    if (priority != WorkItemPriority_Normal)
+    {
+        SetThreadPriority(thread, priority == WorkItemPriority_High ? THREAD_PRIORITY_HIGHEST : THREAD_PRIORITY_LOWEST);
+        ResumeThread(thread);
+    }
+    CloseHandle(thread);
+
+    return S_OK;
+}
+
+static HRESULT run_async(IWorkItemHandler *handler, WorkItemPriority priority, WorkItemOptions options,
+        IAsyncAction **action)
+{
+    struct work_item *item;
+    HRESULT hr;
+
+    *action = NULL;
+
+    if (!handler)
+        return E_INVALIDARG;
+
+    if (priority < WorkItemPriority_Low || priority > WorkItemPriority_High)
+        return E_INVALIDARG;
+
+    if (FAILED(hr = alloc_work_item(handler, &item)))
+        return hr;
+
+    if (options == WorkItemOptions_TimeSliced)
+        hr = submit_standalone_thread_work(item, priority, action);
+    else
+        hr = submit_threadpool_work(item, priority, action);
+
+    if (FAILED(hr))
+        release_work_item(item);
+
+    return hr;
+}
+
 static HRESULT STDMETHODCALLTYPE threadpool_factory_QueryInterface(
         IActivationFactory *iface, REFIID iid, void **out)
 {
@@ -195,23 +571,26 @@ static HRESULT STDMETHODCALLTYPE threadpool_statics_GetTrustLevel(
 static HRESULT STDMETHODCALLTYPE threadpool_statics_RunAsync(
         IThreadPoolStatics *iface, IWorkItemHandler *handler, IAsyncAction **operation)
 {
-    FIXME("iface %p, handler %p, operation %p stub!\n", iface, handler, operation);
-    return E_NOTIMPL;
+    TRACE("iface %p, handler %p, operation %p.\n", iface, handler, operation);
+
+    return run_async(handler, WorkItemPriority_Normal, WorkItemOptions_None, operation);
 }
 
 static HRESULT STDMETHODCALLTYPE threadpool_statics_RunWithPriorityAsync(
         IThreadPoolStatics *iface, IWorkItemHandler *handler, WorkItemPriority priority, IAsyncAction **operation)
 {
-    FIXME("iface %p, handler %p, priority %d, operation %p stub!\n", iface, handler, priority, operation);
-    return E_NOTIMPL;
+    TRACE("iface %p, handler %p, priority %d, operation %p.\n", iface, handler, priority, operation);
+
+    return run_async(handler, priority, WorkItemOptions_None, operation);
 }
 
 static HRESULT STDMETHODCALLTYPE threadpool_statics_RunWithPriorityAndOptionsAsync(
         IThreadPoolStatics *iface, IWorkItemHandler *handler, WorkItemPriority priority,
         WorkItemOptions options, IAsyncAction **operation)
 {
-    FIXME("iface %p, handler %p, priority %d, options %d, operation %p stub!\n", iface, handler, priority, options, operation);
-    return E_NOTIMPL;
+    TRACE("iface %p, handler %p, priority %d, options %d, operation %p.\n", iface, handler, priority, options, operation);
+
+    return run_async(handler, priority, options, operation);
 }
 
 static const struct IThreadPoolStaticsVtbl threadpool_statics_vtbl =

dlls/threadpoolwinrt/tests/Makefile.in

+TESTDLL = threadpoolwinrt.dll
+IMPORTS = combase uuid
+
+C_SRCS = \
+	threadpool.c

dlls/threadpoolwinrt/tests/threadpool.c

+/*
+ * Copyright 2022 Nikolay Sivov for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+#define COBJMACROS
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "winerror.h"
+#include "winstring.h"
+
+#include "initguid.h"
+#include "roapi.h"
+
+#define WIDL_using_Windows_Foundation
+#define WIDL_using_Windows_Foundation_Collections
+#include "windows.foundation.h"
+#define WIDL_using_Windows_System_Threading
+#include "windows.system.threading.h"
+
+#include "wine/test.h"
+
+#define check_interface(a, b, c) check_interface_(__LINE__, a, b, c)
+static void check_interface_(unsigned int line, void *iface_ptr, REFIID iid, BOOL supported)
+{
+    IUnknown *iface = iface_ptr;
+    HRESULT hr, expected_hr;
+    IUnknown *unk;
+
+    expected_hr = supported ? S_OK : E_NOINTERFACE;
+
+    hr = IUnknown_QueryInterface(iface, iid, (void **)&unk);
+    ok_(__FILE__, line)(hr == expected_hr, "Got hr %#lx, expected %#lx.\n", hr, expected_hr);
+    if (SUCCEEDED(hr))
+        IUnknown_Release(unk);
+}
+
+static const WCHAR *threadpool_class_name = L"Windows.System.Threading.ThreadPool";
+
+static void test_interfaces(void)
+{
+    IThreadPoolStatics *threadpool_statics;
+    IActivationFactory *factory;
+    HSTRING classid;
+    HRESULT hr;
+
+    hr = RoInitialize(RO_INIT_MULTITHREADED);
+    ok(SUCCEEDED(hr), "Unexpected hr %#lx.\n", hr);
+
+    hr = WindowsCreateString(threadpool_class_name, wcslen(threadpool_class_name), &classid);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    hr = RoGetActivationFactory(classid, &IID_IActivationFactory, (void **)&factory);
+    ok(hr == S_OK || broken(hr == REGDB_E_CLASSNOTREG), "Unexpected hr %#lx.\n", hr);
+    if (hr == REGDB_E_CLASSNOTREG)
+    {
+        win_skip("%s runtimeclass not registered, skipping tests.\n", wine_dbgstr_w(threadpool_class_name));
+        return;
+    }
+
+    check_interface(factory, &IID_IInspectable, TRUE);
+    check_interface(factory, &IID_IAgileObject, TRUE);
+    check_interface(factory, &IID_IThreadPoolStatics, TRUE);
+
+    hr = IActivationFactory_QueryInterface(factory, &IID_IThreadPoolStatics, (void **)&threadpool_statics);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    check_interface(threadpool_statics, &IID_IInspectable, TRUE);
+    check_interface(threadpool_statics, &IID_IAgileObject, TRUE);
+
+    IThreadPoolStatics_Release(threadpool_statics);
+    IActivationFactory_Release(factory);
+    WindowsDeleteString(classid);
+
+    RoUninitialize();
+}
+
+struct work_item
+{
+    IWorkItemHandler IWorkItemHandler_iface;
+    LONG refcount;
+    HANDLE event;
+};
+
+static struct work_item * impl_from_IWorkItemHandler(IWorkItemHandler *iface)
+{
+    return CONTAINING_RECORD(iface, struct work_item, IWorkItemHandler_iface);
+}
+
+static HRESULT STDMETHODCALLTYPE work_item_QueryInterface(IWorkItemHandler *iface, REFIID riid, void **obj)
+{
+    if (IsEqualIID(riid, &IID_IWorkItemHandler)
+        || IsEqualIID(riid, &IID_IUnknown))
+    {
+        *obj = iface;
+        IWorkItemHandler_AddRef(iface);
+        return S_OK;
+    }
+
+    *obj = NULL;
+    return E_NOINTERFACE;
+}
+
+static ULONG STDMETHODCALLTYPE work_item_AddRef(IWorkItemHandler *iface)
+{
+    struct work_item *item = impl_from_IWorkItemHandler(iface);
+    return InterlockedIncrement(&item->refcount);
+}
+
+static ULONG STDMETHODCALLTYPE work_item_Release(IWorkItemHandler *iface)
+{
+    struct work_item *item = impl_from_IWorkItemHandler(iface);
+    ULONG refcount = InterlockedDecrement(&item->refcount);
+
+    if (!refcount)
+    {
+        CloseHandle(item->event);
+        free(item);
+    }
+
+    return refcount;
+}
+
+static HRESULT STDMETHODCALLTYPE work_item_Invoke(IWorkItemHandler *iface, IAsyncAction *action)
+{
+    struct work_item *item = impl_from_IWorkItemHandler(iface);
+    IAsyncActionCompletedHandler *handler;
+    IAsyncInfo *async_info;
+    AsyncStatus status;
+    HRESULT hr;
+
+    hr = IAsyncAction_QueryInterface(action, &IID_IAsyncInfo, (void **)&async_info);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    hr = IAsyncInfo_get_Status(async_info, &status);
+    todo_wine
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    if (SUCCEEDED(hr)) ok(status == Started, "Unexpected status %d.\n", status);
+
+    hr = IAsyncInfo_Cancel(async_info);
+    todo_wine
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    IAsyncInfo_Release(async_info);
+
+    hr = IAsyncAction_GetResults(action);
+    todo_wine
+    ok(hr == E_ILLEGAL_METHOD_CALL, "Unexpected hr %#lx.\n", hr);
+
+    handler = (void *)0xdeadbeef;
+    hr = IAsyncAction_get_Completed(action, &handler);
+    todo_wine
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    todo_wine
+    ok(!handler, "Unexpected pointer %p.\n", handler);
+
+    hr = IAsyncAction_put_Completed(action, NULL);
+    todo_wine
+    ok(hr == E_POINTER, "Unexpected hr %#lx.\n", hr);
+
+    SetEvent(item->event);
+
+    return S_OK;
+}
+
+static const IWorkItemHandlerVtbl work_item_vtbl =
+{
+    work_item_QueryInterface,
+    work_item_AddRef,
+    work_item_Release,
+    work_item_Invoke,
+};
+
+static HRESULT create_work_item(IWorkItemHandler **item)
+{
+    struct work_item *object;
+
+    *item = NULL;
+
+    if (!(object = calloc(1, sizeof(*object))))
+        return E_OUTOFMEMORY;
+
+    object->IWorkItemHandler_iface.lpVtbl = &work_item_vtbl;
+    object->refcount = 1;
+    object->event = CreateEventW(NULL, FALSE, FALSE, NULL);
+
+    *item = &object->IWorkItemHandler_iface;
+
+    return S_OK;
+}
+
+static void test_RunAsync(void)
+{
+    IActivationFactory *factory = NULL;
+    IThreadPoolStatics *threadpool_statics;
+    IWorkItemHandler *item_iface;
+    struct work_item *item;
+    IAsyncAction *action;
+    HSTRING classid;
+    HRESULT hr;
+    DWORD ret;
+
+    hr = RoInitialize(RO_INIT_MULTITHREADED);
+    ok(SUCCEEDED(hr), "Unexpected hr %#lx.\n", hr);
+
+    hr = WindowsCreateString(threadpool_class_name, wcslen(threadpool_class_name), &classid);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    hr = RoGetActivationFactory(classid, &IID_IActivationFactory, (void **)&factory);
+    ok(hr == S_OK || broken(hr == REGDB_E_CLASSNOTREG), "Unexpected hr %#lx.\n", hr);
+    if (hr == REGDB_E_CLASSNOTREG)
+        return;
+
+    hr = IActivationFactory_QueryInterface(factory, &IID_IThreadPoolStatics, (void **)&threadpool_statics);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+
+    hr = IThreadPoolStatics_RunAsync(threadpool_statics, NULL, &action);
+    ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
+
+    hr = create_work_item(&item_iface);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    item = impl_from_IWorkItemHandler(item_iface);
+
+    hr = IThreadPoolStatics_RunWithPriorityAsync(threadpool_statics, item_iface, WorkItemPriority_High + 1, &action);
+    ok(hr == E_INVALIDARG, "Unexpected hr %#lx.\n", hr);
+
+    hr = IThreadPoolStatics_RunAsync(threadpool_statics, item_iface, &action);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ret = WaitForSingleObject(item->event, 1000);
+    ok(!ret, "Unexpected wait result %lu.\n", ret);
+
+    check_interface(action, &IID_IAsyncAction, TRUE);
+    check_interface(action, &IID_IAsyncInfo, TRUE);
+    check_interface(action, &IID_IInspectable, TRUE);
+
+    IAsyncAction_Release(action);
+
+    hr = IThreadPoolStatics_RunWithPriorityAsync(threadpool_statics, item_iface, WorkItemPriority_Normal, &action);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ret = WaitForSingleObject(item->event, 1000);
+    ok(!ret, "Unexpected wait result %lu.\n", ret);
+    IAsyncAction_Release(action);
+
+    hr = IThreadPoolStatics_RunWithPriorityAndOptionsAsync(threadpool_statics, item_iface, WorkItemPriority_Normal,
+            WorkItemOptions_TimeSliced, &action);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ret = WaitForSingleObject(item->event, 1000);
+    ok(!ret, "Unexpected wait result %lu.\n", ret);
+    IAsyncAction_Release(action);
+
+    hr = IThreadPoolStatics_RunWithPriorityAndOptionsAsync(threadpool_statics, item_iface, WorkItemPriority_Low,
+            WorkItemOptions_TimeSliced, &action);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ret = WaitForSingleObject(item->event, 1000);
+    ok(!ret, "Unexpected wait result %lu.\n", ret);
+    IAsyncAction_Release(action);
+
+    hr = IThreadPoolStatics_RunWithPriorityAndOptionsAsync(threadpool_statics, item_iface, WorkItemPriority_High,
+            WorkItemOptions_TimeSliced, &action);
+    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
+    ret = WaitForSingleObject(item->event, 1000);
+    ok(!ret, "Unexpected wait result %lu.\n", ret);
+    IAsyncAction_Release(action);
+
+    IWorkItemHandler_Release(item_iface);
+
+    IThreadPoolStatics_Release(threadpool_statics);
+    IActivationFactory_Release(factory);
+
+    WindowsDeleteString(classid);
+
+    RoUninitialize();
+}
+
+START_TEST(threadpool)
+{
+    test_interfaces();
+    test_RunAsync();
+}