gdi32/tests: Test RGBQUAD.rgbReserved in SetDIBColorTable.

dlls/gdi32/tests/bitmap.c

@@ -854,6 +854,21 @@ static void test_dibsections(void)
                i, colors[i].rgbRed, colors[i].rgbGreen, colors[i].rgbBlue, colors[i].rgbReserved);
     }
 
+    rgb[0].rgbRed = 1;
+    rgb[0].rgbGreen = 2;
+    rgb[0].rgbBlue = 3;
+    rgb[0].rgbReserved = 123;
+    ret = SetDIBColorTable( hdcmem, 0, 1, rgb );
+    ok( ret == 1, "SetDIBColorTable returned unexpected result %u\n", ret );
+    ok( rgb[0].rgbReserved == 123, "Expected rgbReserved = 123, got %u\n", rgb[0].rgbReserved );
+
+    ret = GetDIBColorTable( hdcmem, 0, 1, rgb );
+    ok( ret == 1, "GetDIBColorTable returned unexpected result %u\n", ret );
+    ok( rgb[0].rgbRed == 1, "Expected rgbRed = 1, got %u\n", rgb[0].rgbRed );
+    ok( rgb[0].rgbGreen == 2, "Expected rgbGreen = 2, got %u\n", rgb[0].rgbGreen );
+    ok( rgb[0].rgbBlue == 3, "Expected rgbBlue = 3, got %u\n", rgb[0].rgbBlue );
+    todo_wine ok( rgb[0].rgbReserved == 0, "Expected rgbReserved = 0, got %u\n", rgb[0].rgbReserved );
+
     SelectObject(hdcmem, oldbm);
     DeleteObject(hdib);
     DeleteObject(hpal);