Piotr Caban : oleaut32/tests: Show that VARIANT_UserUnmarshal may reuse passed in BSTR.
Alexandre Julliard
julliard at wine.codeweavers.com
Thu Jan 14 11:10:26 CST 2016
Module: wine
Branch: master
Commit: 1063623dfb23af70334aa688a5ae6aabdff0f48a
URL: http://source.winehq.org/git/wine.git/?a=commit;h=1063623dfb23af70334aa688a5ae6aabdff0f48a
Author: Piotr Caban <piotr at codeweavers.com>
Date: Wed Jan 13 09:51:57 2016 +0100
oleaut32/tests: Show that VARIANT_UserUnmarshal may reuse passed in BSTR.
Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/oleaut32/tests/usrmarshal.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/dlls/oleaut32/tests/usrmarshal.c b/dlls/oleaut32/tests/usrmarshal.c
index d04a366..b9478d1 100644
--- a/dlls/oleaut32/tests/usrmarshal.c
+++ b/dlls/oleaut32/tests/usrmarshal.c
@@ -767,7 +767,7 @@ static void test_marshal_VARIANT(void)
double d;
void *mem;
DWORD *wirev;
- BSTR b;
+ BSTR b, b2;
WCHAR str[] = {'m','a','r','s','h','a','l',' ','t','e','s','t',0};
SAFEARRAYBOUND sab;
LPSAFEARRAY lpsa, lpsa2, lpsa_copy;
@@ -1237,15 +1237,21 @@ static void test_marshal_VARIANT(void)
ok(*wirev, "wv[6] %08x\n", *wirev); /* win2k: this is b. winxp: this is (char*)b + 1 */
wirev++;
check_bstr(wirev, b);
+ b2 = SysAllocString(str);
+ b2[0] = 0;
+ V_VT(&v2) = VT_BSTR | VT_BYREF;
+ V_BSTRREF(&v2) = &b2;
+ mem = b2;
VariantInit(&v2);
stubMsg.Buffer = buffer;
next = VARIANT_UserUnmarshal(&umcb.Flags, buffer, &v2);
ok(next == buffer + stubMsg.BufferLength, "got %p expect %p\n", next, buffer + stubMsg.BufferLength);
+ ok(mem == b2, "BSTR should be reused\n");
ok(V_VT(&v) == V_VT(&v2), "got vt %d expect %d\n", V_VT(&v), V_VT(&v2));
ok(SysStringByteLen(*V_BSTRREF(&v)) == SysStringByteLen(*V_BSTRREF(&v2)), "bstr string lens differ\n");
ok(!memcmp(*V_BSTRREF(&v), *V_BSTRREF(&v2), SysStringByteLen(*V_BSTRREF(&v))), "bstrs differ\n");
- VARIANT_UserFree(&umcb.Flags, &v2);
+ SysFreeString(b2);
HeapFree(GetProcessHeap(), 0, oldbuffer);
SysFreeString(b);
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