[PATCH v2 1/2] gdi32: Add tests for CreatePolyPolygonRgn

[Fabian Maurer]

Signed-off-by: Fabian Maurer 
---
 dlls/gdi32/tests/clipping.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/dlls/gdi32/tests/clipping.c b/dlls/gdi32/tests/clipping.c
index 60bd31e8e4..5a8a8b0c2a 100644
--- a/dlls/gdi32/tests/clipping.c
+++ b/dlls/gdi32/tests/clipping.c
@@ -533,6 +533,38 @@ static void test_window_dc_clipping(void)
     DestroyWindow(hwnd);
 }

+static void test_CreatePolyPolygonRgn(void)
+{
+    HRGN region;
+    POINT points_zero[] = { {0, 0}, {0, 0}, {0, 0} };
+    POINT points_mixed[] = { {0, 0}, {0, 0}, {0, 0}, {6, 6}, {6, 6}, {6, 6} };
+    POINT points_six[] = { {6, 6}, {6, 6}, {6, 6} };
+    POINT points_line[] = { {1, 0}, {11, 0}, {21, 0}};
+    INT counts_single_poly[] = { 3 };
+    INT counts_two_poly[] = { 3, 3 };
+
+    /* When all polygons are just one point or line, return must not be NULL */
+
+    region = CreatePolyPolygonRgn(points_zero, counts_single_poly, ARRAY_SIZE(counts_single_poly), ALTERNATE);
+    todo_wine
+    ok (region != NULL, "region must not be NULL\n");
+    DeleteObject(region);
+
+    region = CreatePolyPolygonRgn(points_six, counts_single_poly, ARRAY_SIZE(counts_single_poly), ALTERNATE);
+    todo_wine
+    ok (region != NULL, "region must not be NULL\n");
+    DeleteObject(region);
+
+    region = CreatePolyPolygonRgn(points_line, counts_single_poly, ARRAY_SIZE(counts_single_poly), ALTERNATE);
+    todo_wine
+    ok (region != NULL, "region must not be NULL\n");
+    DeleteObject(region);
+
+    region = CreatePolyPolygonRgn(points_mixed, counts_two_poly, ARRAY_SIZE(counts_two_poly), ALTERNATE);
+    todo_wine
+    ok (region != NULL, "region must not be NULL\n");
+    DeleteObject(region);
+}

START_TEST(clipping)
 {
@@ -541,4 +573,5 @@ START_TEST(clipping)
     test_GetClipRgn();
     test_memory_dc_clipping();
     test_window_dc_clipping();
+    test_CreatePolyPolygonRgn();
 }
--
2.21.0