diff --git a/dlls/gdi32/tests/font.c b/dlls/gdi32/tests/font.c
index c87b0629792..179e846836a 100644
--- a/dlls/gdi32/tests/font.c
+++ b/dlls/gdi32/tests/font.c
@@ -800,6 +800,7 @@ static void test_bitmap_font_metrics(void)
         {
             DWORD fs[2];
             CHARSETINFO csi;
+            BOOL bRet;
 
             fs[0] = 1L << bit;
             fs[1] = 0;
@@ -812,7 +813,8 @@ static void test_bitmap_font_metrics(void)
 
             hfont = create_font(lf.lfFaceName, &lf);
             old_hfont = SelectObject(hdc, hfont);
-            ok(GetTextMetrics(hdc, &tm), "GetTextMetrics error %d\n", GetLastError());
+            bRet = GetTextMetrics(hdc, &tm);
+            ok(bRet, "GetTextMetrics error %d\n", GetLastError());
             if(fd[i].dpi == tm.tmDigitizedAspectX)
             {
                 trace("found font %s, height %d charset %x dpi %d\n", lf.lfFaceName, lf.lfHeight, lf.lfCharSet, fd[i].dpi);
@@ -1166,6 +1168,7 @@ static void test_GetKerningPairs(void)
     for (i = 0; i < sizeof(kd)/sizeof(kd[0]); i++)
     {
         OUTLINETEXTMETRICW otm;
+        UINT uiRet;
 
         if (!is_font_installed(kd[i].face_name))
         {
@@ -1185,7 +1188,8 @@ static void test_GetKerningPairs(void)
 
         SetLastError(0xdeadbeef);
         otm.otmSize = sizeof(otm); /* just in case for Win9x compatibility */
-        ok(GetOutlineTextMetricsW(hdc, sizeof(otm), &otm) == sizeof(otm), "GetOutlineTextMetricsW error %d\n", GetLastError());
+        uiRet = GetOutlineTextMetricsW(hdc, sizeof(otm), &otm);
+        ok(uiRet == sizeof(otm), "GetOutlineTextMetricsW error %d\n", GetLastError());
 
         ok(match_off_by_1(kd[i].tmHeight, otm.otmTextMetrics.tmHeight), "expected %d, got %d\n",
            kd[i].tmHeight, otm.otmTextMetrics.tmHeight);
@@ -3197,6 +3201,7 @@ static void test_AddFontMemResource(void)
     void *font;
     DWORD font_size, num_fonts;
     HANDLE ret;
+    BOOL bRet;
 
     if (!pAddFontMemResourceEx || !pRemoveFontMemResourceEx)
     {
@@ -3284,7 +3289,8 @@ static void test_AddFontMemResource(void)
     free_font(font);
 
     SetLastError(0xdeadbeef);
-    ok(pRemoveFontMemResourceEx(ret), "RemoveFontMemResourceEx error %d\n", GetLastError());
+    bRet = pRemoveFontMemResourceEx(ret);
+    ok(bRet, "RemoveFontMemResourceEx error %d\n", GetLastError());
 
     /* test invalid pointer to number of loaded fonts */
     font = load_font("sserife.fon", &font_size);
diff --git a/dlls/gdi32/tests/gdiobj.c b/dlls/gdi32/tests/gdiobj.c
index 636707161fb..bc00b3da221 100644
--- a/dlls/gdi32/tests/gdiobj.c
+++ b/dlls/gdi32/tests/gdiobj.c
@@ -118,6 +118,7 @@ struct hgdiobj_event
 static DWORD WINAPI thread_proc(void *param)
 {
     LOGPEN lp;
+    DWORD status;
     struct hgdiobj_event *hgdiobj_event = param;
 
     hgdiobj_event->hdc = CreateDC("display", NULL, NULL, NULL);
@@ -130,8 +131,8 @@ static DWORD WINAPI thread_proc(void *param)
     ok(hgdiobj_event->hgdiobj2 != 0, "Failed to create pen\n");
 
     SetEvent(hgdiobj_event->ready_event);
-    ok(WaitForSingleObject(hgdiobj_event->stop_event, INFINITE) == WAIT_OBJECT_0,
-       "WaitForSingleObject error %u\n", GetLastError());
+    status = WaitForSingleObject(hgdiobj_event->stop_event, INFINITE);
+    ok(status == WAIT_OBJECT_0, "WaitForSingleObject error %u\n", GetLastError());
 
     ok(!GetObject(hgdiobj_event->hgdiobj1, sizeof(lp), &lp), "GetObject should fail\n");
 
@@ -147,6 +148,8 @@ static void test_thread_objects(void)
     HANDLE hthread;
     struct hgdiobj_event hgdiobj_event;
     INT ret;
+    DWORD status;
+    BOOL bRet;
 
     hgdiobj_event.stop_event = CreateEvent(NULL, 0, 0, NULL);
     ok(hgdiobj_event.stop_event != NULL, "CreateEvent error %u\n", GetLastError());
@@ -156,11 +159,11 @@ static void test_thread_objects(void)
     hthread = CreateThread(NULL, 0, thread_proc, &hgdiobj_event, 0, &tid);
     ok(hthread != NULL, "CreateThread error %u\n", GetLastError());
 
-    ok(WaitForSingleObject(hgdiobj_event.ready_event, INFINITE) == WAIT_OBJECT_0,
-       "WaitForSingleObject error %u\n", GetLastError());
+    status = WaitForSingleObject(hgdiobj_event.ready_event, INFINITE);
+    ok(status == WAIT_OBJECT_0, "WaitForSingleObject error %u\n", GetLastError());
 
-    ok(GetObject(hgdiobj_event.hgdiobj1, sizeof(lp), &lp) == sizeof(lp),
-       "GetObject error %u\n", GetLastError());
+    ret = GetObject(hgdiobj_event.hgdiobj1, sizeof(lp), &lp);
+    ok(ret == sizeof(lp), "GetObject error %u\n", GetLastError());
     ok(lp.lopnStyle == PS_DASHDOTDOT, "wrong pen style %d\n", lp.lopnStyle);
     ok(lp.lopnWidth.x == 17, "wrong pen width.y %d\n", lp.lopnWidth.x);
     ok(lp.lopnWidth.y == 0, "wrong pen width.y %d\n", lp.lopnWidth.y);
@@ -169,20 +172,23 @@ static void test_thread_objects(void)
     ret = GetDeviceCaps(hgdiobj_event.hdc, TECHNOLOGY);
     ok(ret == DT_RASDISPLAY, "GetDeviceCaps(TECHNOLOGY) should return DT_RASDISPLAY not %d\n", ret);
 
-    ok(DeleteObject(hgdiobj_event.hgdiobj1), "DeleteObject error %u\n", GetLastError());
-    ok(DeleteDC(hgdiobj_event.hdc), "DeleteDC error %u\n", GetLastError());
+    bRet = DeleteObject(hgdiobj_event.hgdiobj1);
+    ok(bRet, "DeleteObject error %u\n", GetLastError());
+    bRet = DeleteDC(hgdiobj_event.hdc);
+    ok(bRet, "DeleteDC error %u\n", GetLastError());
 
     type = GetObjectType(hgdiobj_event.hgdiobj2);
     ok(type == OBJ_REGION, "GetObjectType returned %u\n", type);
 
     SetEvent(hgdiobj_event.stop_event);
-    ok(WaitForSingleObject(hthread, INFINITE) == WAIT_OBJECT_0,
-       "WaitForSingleObject error %u\n", GetLastError());
+    status = WaitForSingleObject(hthread, INFINITE);
+    ok(status == WAIT_OBJECT_0, "WaitForSingleObject error %u\n", GetLastError());
     CloseHandle(hthread);
 
     type = GetObjectType(hgdiobj_event.hgdiobj2);
     ok(type == OBJ_REGION, "GetObjectType returned %u\n", type);
-    ok(DeleteObject(hgdiobj_event.hgdiobj2), "DeleteObject error %u\n", GetLastError());
+    bRet = DeleteObject(hgdiobj_event.hgdiobj2);
+    ok(bRet, "DeleteObject error %u\n", GetLastError());
 
     CloseHandle(hgdiobj_event.stop_event);
     CloseHandle(hgdiobj_event.ready_event);
diff --git a/dlls/gdi32/tests/metafile.c b/dlls/gdi32/tests/metafile.c
index 791714b54f3..d036065fbb3 100644
--- a/dlls/gdi32/tests/metafile.c
+++ b/dlls/gdi32/tests/metafile.c
@@ -340,13 +340,17 @@ static int CALLBACK savedc_emf_enum_proc(HDC hdc, HANDLETABLE *handle_table,
     ret = GetWorldTransform(hdc, &xform);
     if (!ret && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
     {
-        ok(GetWindowOrgEx(hdc, &pt), "GetWindowOrgEx error %u\n", GetLastError());
+        ret = GetWindowOrgEx(hdc, &pt);
+        ok(ret, "GetWindowOrgEx error %u\n", GetLastError());
         trace("window org (%d,%d)\n", pt.x, pt.y);
-        ok(GetViewportOrgEx(hdc, &pt), "GetViewportOrgEx error %u\n", GetLastError());
+        ret = GetViewportOrgEx(hdc, &pt);
+        ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
         trace("vport org (%d,%d)\n", pt.x, pt.y);
-        ok(GetWindowExtEx(hdc, &size), "GetWindowExtEx error %u\n", GetLastError());
+        ret = GetWindowExtEx(hdc, &size);
+        ok(ret, "GetWindowExtEx error %u\n", GetLastError());
         trace("window ext (%d,%d)\n", size.cx, size.cy);
-        ok(GetViewportExtEx(hdc, &size), "GetViewportExtEx error %u\n", GetLastError());
+        ret = GetViewportExtEx(hdc, &size);
+        ok(ret, "GetViewportExtEx error %u\n", GetLastError());
         trace("vport ext (%d,%d)\n", size.cx, size.cy);
     }
     else
@@ -458,13 +462,17 @@ static int CALLBACK savedc_emf_enum_proc(HDC hdc, HANDLETABLE *handle_table,
     ret = GetWorldTransform(hdc, &xform);
     if (!ret && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
     {
-        ok(GetWindowOrgEx(hdc, &pt), "GetWindowOrgEx error %u\n", GetLastError());
+        ret = GetWindowOrgEx(hdc, &pt);
+        ok(ret, "GetWindowOrgEx error %u\n", GetLastError());
         trace("window org (%d,%d)\n", pt.x, pt.y);
-        ok(GetViewportOrgEx(hdc, &pt), "GetViewportOrgEx error %u\n", GetLastError());
+        ret = GetViewportOrgEx(hdc, &pt);
+        ok(ret, "GetViewportOrgEx error %u\n", GetLastError());
         trace("vport org (%d,%d)\n", pt.x, pt.y);
-        ok(GetWindowExtEx(hdc, &size), "GetWindowExtEx error %u\n", GetLastError());
+        ret = GetWindowExtEx(hdc, &size);
+        ok(ret, "GetWindowExtEx error %u\n", GetLastError());
         trace("window ext (%d,%d)\n", size.cx, size.cy);
-        ok(GetViewportExtEx(hdc, &size), "GetViewportExtEx error %u\n", GetLastError());
+        ret = GetViewportExtEx(hdc, &size);
+        ok(ret, "GetViewportExtEx error %u\n", GetLastError());
         trace("vport ext (%d,%d)\n", size.cx, size.cy);
     }
     else
diff --git a/dlls/gdi32/tests/pen.c b/dlls/gdi32/tests/pen.c
index 640ffc01700..db0b60bef04 100644
--- a/dlls/gdi32/tests/pen.c
+++ b/dlls/gdi32/tests/pen.c
@@ -475,6 +475,8 @@ static void test_ps_alternate(void)
     HBITMAP bmp;
     HPEN pen;
     LOGBRUSH lb;
+    INT iRet;
+    HGDIOBJ hRet;
 
     lb.lbStyle = BS_SOLID;
     lb.lbColor = RGB(0xff,0xff,0xff);
@@ -490,9 +492,12 @@ static void test_ps_alternate(void)
     ok(hdc != NULL, "gle=%d\n", GetLastError());
     bmp = CreateBitmap(8, 1, 1, 1, NULL);
     ok(bmp != NULL, "gle=%d\n", GetLastError());
-    ok(SelectObject(hdc, bmp) != NULL, "gle=%d\n", GetLastError());
-    ok(SelectObject(hdc, pen) != NULL, "gle=%d\n", GetLastError());
-    ok(SetBkMode(hdc, TRANSPARENT), "gle=%d\n", GetLastError());
+    hRet = SelectObject(hdc, bmp);
+    ok(hRet != NULL, "gle=%d\n", GetLastError());
+    hRet = SelectObject(hdc, pen);
+    ok(hRet != NULL, "gle=%d\n", GetLastError());
+    iRet = SetBkMode(hdc, TRANSPARENT);
+    ok(iRet, "gle=%d\n", GetLastError());
 
     TEST_LINE(0, 1, "10000000")
     TEST_LINE(0, 2, "10000000")