gdiplus/tests: Add a test for GdipCloneBitmapArea called on an already locked bitmap.

dlls/gdiplus/tests/image.c

@@ -4240,6 +4240,33 @@ static void test_ARGB_conversion(void)
     GdipDisposeImage((GpImage *)bitmap);
 }
 
+
+static void test_CloneBitmapArea(void)
+{
+    GpStatus status;
+    GpBitmap *bitmap, *copy;
+    BitmapData data, data2;
+
+    status = GdipCreateBitmapFromScan0(1, 1, 0, PixelFormat24bppRGB, NULL, &bitmap);
+    expect(Ok, status);
+
+    status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead | ImageLockModeWrite, PixelFormat24bppRGB, &data);
+    expect(Ok, status);
+
+    status = GdipBitmapLockBits(bitmap, NULL, ImageLockModeRead, PixelFormat24bppRGB, &data2);
+    expect(WrongState, status);
+
+    status = GdipCloneBitmapAreaI(0, 0, 1, 1, PixelFormat24bppRGB, bitmap, &copy);
+todo_wine
+    expect(Ok, status);
+
+    status = GdipBitmapUnlockBits(bitmap, &data);
+    expect(Ok, status);
+
+    GdipDisposeImage((GpImage *)copy);
+    GdipDisposeImage((GpImage *)bitmap);
+}
+
 START_TEST(image)
 {
     struct GdiplusStartupInput gdiplusStartupInput;
@@ -4252,6 +4279,7 @@ START_TEST(image)
 
     GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
 
+    test_CloneBitmapArea();
     test_ARGB_conversion();
     test_DrawImage_scale();
     test_image_format();