From patchwork Mon Aug 13 17:37:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 957069 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41q2xS6Pm2z9s8T for ; Tue, 14 Aug 2018 03:37:46 +1000 (AEST) Received: from localhost ([::1]:40600 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fpGml-0007I4-P3 for incoming@patchwork.ozlabs.org; Mon, 13 Aug 2018 13:37:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56239) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fpGmP-0007Hp-LN for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:37:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fpGmK-0001CL-Px for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:37:21 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:44914 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fpGmK-0001CE-Kh for qemu-devel@nongnu.org; Mon, 13 Aug 2018 13:37:16 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AE49687A7B; Mon, 13 Aug 2018 17:37:15 +0000 (UTC) Received: from thuth.com (ovpn-116-62.ams2.redhat.com [10.36.116.62]) by smtp.corp.redhat.com (Postfix) with ESMTP id 991401C70E; Mon, 13 Aug 2018 17:37:14 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org, Markus Armbruster Date: Mon, 13 Aug 2018 19:37:10 +0200 Message-Id: <1534181830-6055-1-git-send-email-thuth@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 13 Aug 2018 17:37:15 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 13 Aug 2018 17:37:15 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'thuth@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH] tests/device-introspection: Check that the qom-tree and qtree do not change X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Introspection should not change the qom-tree / qtree, so we should check this in the device-introspect-test, too. This patch helped to find lots of instrospection bugs during the QEMU v3.0 soft/hard-freeze period in the last two months. Signed-off-by: Thomas Huth --- tests/device-introspect-test.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/tests/device-introspect-test.c b/tests/device-introspect-test.c index 0b4f221..5b7ec05 100644 --- a/tests/device-introspect-test.c +++ b/tests/device-introspect-test.c @@ -103,7 +103,14 @@ static QList *device_type_list(bool abstract) static void test_one_device(const char *type) { QDict *resp; - char *help, *qom_tree; + char *help; + char *qom_tree_start, *qom_tree_end; + char *qtree_start, *qtree_end; + + g_debug("Testing device '%s'", type); + + qom_tree_start = hmp("info qom-tree"); + qtree_start = hmp("info qtree"); resp = qmp("{'execute': 'device-list-properties'," " 'arguments': {'typename': %s}}", @@ -115,10 +122,18 @@ static void test_one_device(const char *type) /* * Some devices leave dangling pointers in QOM behind. - * "info qom-tree" has a good chance at crashing then + * "info qom-tree" or "info qtree" have a good chance at crashing then. + * Also make sure that the tree did not change. */ - qom_tree = hmp("info qom-tree"); - g_free(qom_tree); + qom_tree_end = hmp("info qom-tree"); + g_assert_cmpstr(qom_tree_start, ==, qom_tree_end); + g_free(qom_tree_start); + g_free(qom_tree_end); + + qtree_end = hmp("info qtree"); + g_assert_cmpstr(qtree_start, ==, qtree_end); + g_free(qtree_start); + g_free(qtree_end); } static void test_device_intro_list(void)