Paul Gofman : ddraw/tests: Test restoring attached surface for ddraw4.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: da2fdc4cd35c261081521f7c486e99be7dbbe87e
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=da2fdc4cd35c261081521f7c486e99be7dbbe87e

Author: Paul Gofman <gofmanp at gmail.com>
Date:   Mon Aug  5 21:58:33 2019 +0300

ddraw/tests: Test restoring attached surface for ddraw4.

Signed-off-by: Paul Gofman <gofmanp at gmail.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ddraw/tests/ddraw4.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/dlls/ddraw/tests/ddraw4.c b/dlls/ddraw/tests/ddraw4.c
index bc58c18..7578444 100644
--- a/dlls/ddraw/tests/ddraw4.c
+++ b/dlls/ddraw/tests/ddraw4.c
@@ -9255,11 +9255,12 @@ static void test_vb_writeonly(void)
 
 static void test_lost_device(void)
 {
-    IDirectDrawSurface4 *surface;
+    IDirectDrawSurface4 *surface, *back_buffer;
     DDSURFACEDESC2 surface_desc;
     HWND window1, window2;
     IDirectDraw4 *ddraw;
     ULONG refcount;
+    DDSCAPS2 caps;
     HRESULT hr;
     BOOL ret;
 
@@ -9426,9 +9427,23 @@ static void test_lost_device(void)
     ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
     hr = IDirectDrawSurface4_IsLost(surface);
     ok(hr == DDERR_SURFACELOST, "Got unexpected hr %#x.\n", hr);
+
     hr = IDirectDrawSurface4_Flip(surface, NULL, DDFLIP_WAIT);
     ok(hr == DDERR_SURFACELOST, "Got unexpected hr %#x.\n", hr);
 
+    memset(&caps, 0, sizeof(caps));
+    caps.dwCaps = DDSCAPS_FLIP;
+
+    hr = IDirectDrawSurface4_GetAttachedSurface(surface, &caps, &back_buffer);
+    ok(hr == DDERR_SURFACELOST, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDrawSurface4_Restore(surface);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDrawSurface4_GetAttachedSurface(surface, &caps, &back_buffer);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirectDrawSurface4_IsLost(back_buffer);
+    ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr);
+    IDirectDrawSurface4_Release(back_buffer);
+
     IDirectDrawSurface4_Release(surface);
     refcount = IDirectDraw4_Release(ddraw);
     ok(!refcount, "Got unexpected refcount %u.\n", refcount);