Maarten Lankhorst : mmdevapi: Add test showing collection doesn' t keep ref on parent.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: f10d56088e546c76a8aec2abe4b742c80bf779f7
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=f10d56088e546c76a8aec2abe4b742c80bf779f7

Author: Maarten Lankhorst <m.b.lankhorst at gmail.com>
Date:   Mon Dec 14 18:16:40 2009 +0100

mmdevapi: Add test showing collection doesn't keep ref on parent.

---

 dlls/mmdevapi/tests/mmdevenum.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/dlls/mmdevapi/tests/mmdevenum.c b/dlls/mmdevapi/tests/mmdevenum.c
index cff72a0..9e8e55c 100644
--- a/dlls/mmdevapi/tests/mmdevenum.c
+++ b/dlls/mmdevapi/tests/mmdevenum.c
@@ -41,6 +41,11 @@ static void test_collection(IMMDeviceEnumerator *mme, IMMDeviceCollection *col)
     UINT numdev;
     IMMDevice *dev;
 
+    /* collection doesn't keep a ref on parent */
+    IUnknown_AddRef(mme);
+    ref = IUnknown_Release(mme);
+    ok(ref == 2, "Reference count on parent is %u\n", ref);
+
     ref = IUnknown_AddRef(col);
     IUnknown_Release(col);
     ok(ref == 2, "Invalid reference count %u on collection\n", ref);