crypt32: Test updates after the final update to a detached message.

dlls/crypt32/tests/msg.c

@@ -2052,6 +2052,24 @@ static void test_decode_msg_update(void)
      sizeof(signedWithCertAndCrlBareContent), TRUE);
     ok(ret, "CryptMsgUpdate failed: %08x\n", GetLastError());
     CryptMsgClose(msg);
+
+    msg = CryptMsgOpenToDecode(PKCS_7_ASN_ENCODING, CMSG_DETACHED_FLAG, 0, 0,
+     NULL, NULL);
+    /* The first update succeeds.. */
+    ret = CryptMsgUpdate(msg, detachedSignedContent,
+     sizeof(detachedSignedContent), TRUE);
+    ok(ret, "CryptMsgUpdate failed: %08x\n", GetLastError());
+    /* as does a second (probably to update the detached portion).. */
+    ret = CryptMsgUpdate(msg, detachedSignedContent,
+     sizeof(detachedSignedContent), TRUE);
+    todo_wine
+    ok(ret, "CryptMsgUpdate failed: %08x\n", GetLastError());
+    /* while a third fails. */
+    ret = CryptMsgUpdate(msg, detachedSignedContent,
+     sizeof(detachedSignedContent), TRUE);
+    ok(!ret && GetLastError() == CRYPT_E_MSG_ERROR,
+     "expected CRYPT_E_MSG_ERROR, got %08x\n", GetLastError());
+    CryptMsgClose(msg);
 }
 
 static const BYTE hashParam[] = { 0x08,0xd6,0xc0,0x5a,0x21,0x51,0x2a,0x79,0xa1,