[PATCH v4 6/8] user32/tests: Check graphics driver and add todos for nulldrv.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/user32/tests/msg.c         |  6 ++++
 dlls/user32/tests/user32_test.h | 57 +++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 dlls/user32/tests/user32_test.h

diff --git a/dlls/user32/tests/msg.c b/dlls/user32/tests/msg.c
index 6faaa2c2f40..e8a05cf87d7 100644
--- a/dlls/user32/tests/msg.c
+++ b/dlls/user32/tests/msg.c
@@ -36,6 +36,8 @@

#include "wine/test.h"

+#include "user32_test.h"
+
 #define MDI_FIRST_CHILD_ID 2004

/* undocumented SWP flags - from SDK 3.1 */
@@ -12806,9 +12808,11 @@ static DWORD WINAPI test_edit_ime_messages(void *unused_arg)

himc = ImmGetContext(hwnd);
     ret = ImmSetCompositionStringA(himc, SCS_SETSTR, "Wine", 4, NULL, 0);
+    todo_wine_if(is_driver( L"null" ))
     ok(ret, "ImmSetCompositionStringA failed.\n");
     flush_sequence();
     ret = ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_COMPLETE, 0);
+    todo_wine_if(is_driver( L"null" ))
     ok(ret, "ImmNotifyIME failed.\n");
     /* Note that the following message loop is necessary to get the WM_CHAR messages because they
      * are posted. Same for the later message loops in this function. */
@@ -12828,9 +12832,11 @@ static DWORD WINAPI test_edit_ime_messages(void *unused_arg)
     ok(lr == EIMES_GETCOMPSTRATONCE, "Got unexpected lr %#Ix.\n", lr);

ret = ImmSetCompositionStringA(himc, SCS_SETSTR, "Wine", 4, NULL, 0);
+    todo_wine_if(is_driver( L"null" ))
     ok(ret, "ImmSetCompositionStringA failed.\n");
     flush_sequence();
     ret = ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_COMPLETE, 0);
+    todo_wine_if(is_driver( L"null" ))
     ok(ret, "ImmNotifyIME failed.\n");
     while (PeekMessageA(&msg, 0, 0, 0, PM_REMOVE)) DispatchMessageA(&msg);
     ok_sequence(edit_eimes_getcompstratonce_seq,
diff --git a/dlls/user32/tests/user32_test.h b/dlls/user32/tests/user32_test.h
new file mode 100644
index 00000000000..30ef19cdcc1
--- /dev/null
+++ b/dlls/user32/tests/user32_test.h
@@ -0,0 +1,57 @@
+/* 
+ * Copyright 2023 Rémi Bernon 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
+ */
+
+#include <stdarg.h>
+#include <stddef.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "winuser.h"
+#include "winreg.h"
+
+#include "wine/test.h"
+
+static inline BOOL is_driver( const WCHAR *match )
+{
+    static WCHAR *cache;
+
+    WCHAR *tmp = NULL, driver[MAX_PATH] = {0}, path[sizeof("System\CurrentControlSet\Control\Video\{}\0000") + 40];
+    DWORD size = sizeof(driver);
+    UINT guid_atom;
+    HKEY key;
+
+    if (cache) return !wcscmp( cache, match );
+
+    guid_atom = HandleToULong( GetPropW( GetDesktopWindow(), L"__wine_display_device_guid" ) );
+    wcscpy( path, L"System\CurrentControlSet\Control\Video\{" );
+    if (GlobalGetAtomNameW( guid_atom, path + wcslen( path ), 40 ))
+    {
+        wcscat( path, L"}\0000" );
+        if (!RegOpenKeyW( HKEY_LOCAL_MACHINE, path, &key ))
+        {
+            if (!RegQueryValueExW( key, L"GraphicsDriver", NULL, NULL, (BYTE *)&driver, &size ))
+                tmp = wcsdup( driver );
+            RegCloseKey(key);
+        }
+    }
+
+    if (!tmp) tmp = wcsdup( L"" );
+    if ((tmp = InterlockedExchangePointer( (void *)&cache, tmp ))) free( tmp );
+
+    return !wcscmp( cache, match );
+}