{"id":14399,"url":"https://patchwork.libcamera.org/api/patches/14399/?format=json","web_url":"https://patchwork.libcamera.org/patch/14399/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20211028111520.256612-5-jacopo@jmondi.org>","date":"2021-10-28T11:15:14","name":"[libcamera-devel,04/10] test: Add test for the Fence class","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"2fad11577999cfeb1a33e015872de611748e0216","submitter":{"id":3,"url":"https://patchwork.libcamera.org/api/people/3/?format=json","name":"Jacopo Mondi","email":"jacopo@jmondi.org"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/14399/mbox/","series":[{"id":2674,"url":"https://patchwork.libcamera.org/api/series/2674/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2674","date":"2021-10-28T11:15:10","name":"libcamera: Introduce Fence support","version":1,"mbox":"https://patchwork.libcamera.org/series/2674/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/14399/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/14399/checks/","tags":{},"headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 8A7C4C324E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 28 Oct 2021 11:14:47 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id DDD2360334;\n\tThu, 28 Oct 2021 13:14:46 +0200 (CEST)","from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net\n\t[217.70.183.199])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 63722600BA\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 28 Oct 2021 13:14:39 +0200 (CEST)","(Authenticated sender: jacopo@jmondi.org)\n\tby relay9-d.mail.gandi.net (Postfix) with ESMTPSA id E8CD5FF80B;\n\tThu, 28 Oct 2021 11:14:38 +0000 (UTC)"],"From":"Jacopo Mondi <jacopo@jmondi.org>","To":"libcamera-devel@lists.libcamera.org","Date":"Thu, 28 Oct 2021 13:15:14 +0200","Message-Id":"<20211028111520.256612-5-jacopo@jmondi.org>","X-Mailer":"git-send-email 2.33.1","In-Reply-To":"<20211028111520.256612-1-jacopo@jmondi.org>","References":"<20211028111520.256612-1-jacopo@jmondi.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 04/10] test: Add test for the Fence class","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"},"content":"Add a test for the Fence class by testing completion and expiration of\na Fence and testing that move semantic is implemented correctly.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n test/fence.cpp   | 148 +++++++++++++++++++++++++++++++++++++++++++++++\n test/meson.build |   1 +\n 2 files changed, 149 insertions(+)\n create mode 100644 test/fence.cpp","diff":"diff --git a/test/fence.cpp b/test/fence.cpp\nnew file mode 100644\nindex 000000000000..9fb92b1c250b\n--- /dev/null\n+++ b/test/fence.cpp\n@@ -0,0 +1,148 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ * Copyright (C) 2019, Google Inc.\n+ *\n+ * fence.cpp - Fence test\n+ */\n+\n+#include <iostream>\n+#include <sys/eventfd.h>\n+#include <unistd.h>\n+\n+#include <libcamera/base/event_dispatcher_poll.h>\n+#include <libcamera/base/thread.h>\n+#include <libcamera/base/timer.h>\n+#include <libcamera/internal/fence.h>\n+\n+#include \"test.h\"\n+\n+using namespace libcamera;\n+using namespace std;\n+\n+class FenceTest : public Test\n+{\n+protected:\n+\tint init();\n+\tint run();\n+\tvoid cleanup();\n+\n+private:\n+\tvoid timeout();\n+\tvoid completed();\n+\n+\tint eventfd_;\n+\tTimer timer_;\n+\tEventDispatcher *dispatcher;\n+\tFence *fence_;\n+};\n+\n+int FenceTest::init()\n+{\n+\ttimer_.timeout.connect(this, &FenceTest::timeout);\n+\tdispatcher = Thread::current()->eventDispatcher();\n+\n+\teventfd_ = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);\n+\tif (eventfd_ < 0) {\n+\t\tcerr << \"Unable to create eventfd\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\tfence_ = new Fence(eventfd_);\n+\tif (!eventfd_) {\n+\t\tcerr << \"Fence creation should not reset the file descriptor\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\tif (fence_->fd() != eventfd_) {\n+\t\tcerr << \"Fence file descriptor should not be duplicated\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\tfence_->complete.connect(this, &FenceTest::completed);\n+\n+\treturn 0;\n+}\n+\n+void FenceTest::timeout()\n+{\n+\tuint64_t value = 1;\n+\tssize_t ret = write(eventfd_, &value, sizeof(value));\n+\tif (ret != sizeof(value))\n+\t\tcerr << \"Failed to write to event fd\" << endl;\n+\n+\t/* Let the fence complete on the eventfd read event. */\n+\tdispatcher->processEvents();\n+}\n+\n+void FenceTest::completed()\n+{\n+\tif (fence_->expired())\n+\t\treturn;\n+\n+\tuint64_t value;\n+\tssize_t ret = read(eventfd_, &value, sizeof(value));\n+\tif (ret != sizeof(value))\n+\t\tcerr << \"Failed to read from event fd\" << endl;\n+}\n+\n+int FenceTest::run()\n+{\n+\t/* Activate the fence and schedule a wake-up before it expires. */\n+\tfence_->enable();\n+\ttimer_.start(50);\n+\n+\tdispatcher->processEvents();\n+\n+\tif (fence_->expired()) {\n+\t\tcerr << \"Fence should not have expired\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\tif (!fence_->completed()) {\n+\t\tcerr << \"Fence should have completed\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\t/* Now let the fence expire. */\n+\tfence_->enable();\n+\tdispatcher->processEvents();\n+\n+\tif (fence_->completed()) {\n+\t\tcerr << \"Fence should not have completed\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\tif (!fence_->expired()) {\n+\t\tcerr << \"Fence should have expired\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\t/*\n+\t * Test fence move semantic.\n+\t *\n+\t * Create two temporary fences and verify we can move them.\n+\t */\n+\tFence fence1(eventfd_, 500);\n+\tFence fence2(0, 500);\n+\tfence2 = std::move(fence1);\n+\n+\tif (fence1.fd() != -1) {\n+\t\tcerr << \"A moved fence should have an invalid fd\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\tif (fence2.fd() != eventfd_ || fence2.timeout() != 500) {\n+\t\tcerr << \"Faile to move fence\" << endl;\n+\t\treturn TestFail;\n+\t}\n+\n+\treturn 0;\n+}\n+\n+void FenceTest::cleanup()\n+{\n+\tclose(eventfd_);\n+\tdelete fence_;\n+}\n+\n+TEST_REGISTER(FenceTest)\ndiff --git a/test/meson.build b/test/meson.build\nindex d0466f17d7b6..377e392628bf 100644\n--- a/test/meson.build\n+++ b/test/meson.build\n@@ -40,6 +40,7 @@ internal_tests = [\n     ['event-dispatcher',                'event-dispatcher.cpp'],\n     ['event-thread',                    'event-thread.cpp'],\n     ['file',                            'file.cpp'],\n+    ['fence',                           'fence.cpp'],\n     ['file-descriptor',                 'file-descriptor.cpp'],\n     ['flags',                           'flags.cpp'],\n     ['hotplug-cameras',                 'hotplug-cameras.cpp'],\n","prefixes":["libcamera-devel","04/10"]}