ddraw/tests: Fix a test failure on VirtualBox.

[Nicolas Le Cam]

---
 dlls/ddraw/tests/dsurface.c |   34 +++++++++++++++++++++-------------
 1 files changed, 21 insertions(+), 13 deletions(-)

diff --git a/dlls/ddraw/tests/dsurface.c b/dlls/ddraw/tests/dsurface.c
index 47a231e..a0f69b1 100644
--- a/dlls/ddraw/tests/dsurface.c
+++ b/dlls/ddraw/tests/dsurface.c
@@ -1374,20 +1374,28 @@ static void AttachmentTest(void)
     ok(hr==DD_OK,"CreateSurface returned: %x\n",hr);
 
     hr = IDirectDrawSurface_AddAttachedSurface(surface1, surface2);
-    ok(hr == DD_OK, "Attaching an offscreen plain surface to a front buffer returned %08x\n", hr);
-    /* Try the reverse without detaching first */
-    hr = IDirectDrawSurface_AddAttachedSurface(surface2, surface1);
-    ok(hr == DDERR_SURFACEALREADYATTACHED, "Attaching an attached surface to its attachee returned %08x\n", hr);
-    hr = IDirectDrawSurface_DeleteAttachedSurface(surface1, 0, surface2);
-    ok(hr == DD_OK, "DeleteAttachedSurface failed with %08x\n", hr);
+    ok(hr == DD_OK || broken(hr == DDERR_CANNOTATTACHSURFACE),
+       "Attaching an offscreen plain surface to a front buffer returned %08x\n", hr);
+    if(SUCCEEDED(hr))
+    {
+        /* Try the reverse without detaching first */
+        hr = IDirectDrawSurface_AddAttachedSurface(surface2, surface1);
+        ok(hr == DDERR_SURFACEALREADYATTACHED, "Attaching an attached surface to its attachee returned %08x\n", hr);
+        hr = IDirectDrawSurface_DeleteAttachedSurface(surface1, 0, surface2);
+        ok(hr == DD_OK, "DeleteAttachedSurface failed with %08x\n", hr);
+    }
     hr = IDirectDrawSurface_AddAttachedSurface(surface2, surface1);
-    ok(hr == DD_OK, "Attaching a front buffer to an offscreen plain surface returned %08x\n", hr);
-    /* Try to detach reversed */
-    hr = IDirectDrawSurface_DeleteAttachedSurface(surface1, 0, surface2);
-    ok(hr == DDERR_CANNOTDETACHSURFACE, "DeleteAttachedSurface returned %08x\n", hr);
-    /* Now the proper detach */
-    hr = IDirectDrawSurface_DeleteAttachedSurface(surface2, 0, surface1);
-    ok(hr == DD_OK, "DeleteAttachedSurface failed with %08x\n", hr);
+    ok(hr == DD_OK || broken(hr == DDERR_CANNOTATTACHSURFACE),
+       "Attaching a front buffer to an offscreen plain surface returned %08x\n", hr);
+    if(SUCCEEDED(hr))
+    {
+        /* Try to detach reversed */
+        hr = IDirectDrawSurface_DeleteAttachedSurface(surface1, 0, surface2);
+        ok(hr == DDERR_CANNOTDETACHSURFACE, "DeleteAttachedSurface returned %08x\n", hr);
+        /* Now the proper detach */
+        hr = IDirectDrawSurface_DeleteAttachedSurface(surface2, 0, surface1);
+        ok(hr == DD_OK, "DeleteAttachedSurface failed with %08x\n", hr);
+    }
     hr = IDirectDrawSurface_AddAttachedSurface(surface2, surface3); /* Fails on refrast */
     ok(hr == DD_OK || broken(hr == DDERR_CANNOTATTACHSURFACE),
        "Attaching an offscreen plain surface to another offscreen plain surface returned %08x\n", hr);
-- 
1.6.0.4


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