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{
    "id": 173,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/173/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/173/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20190107231151.23291-11-laurent.pinchart@ideasonboard.com>",
    "date": "2019-01-07T23:11:50",
    "name": "[libcamera-devel,v2,10/11] test: Add timer test",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "84b0db2856c666d63e597a9ff628db45af6d88c8",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/173/mbox/",
    "series": [
        {
            "id": 56,
            "url": "https://patchwork.libcamera.org/api/1.1/series/56/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=56",
            "date": "2019-01-07T23:11:40",
            "name": "libcamera: Add event notification and timers",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/56/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/173/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/173/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<laurent.pinchart@ideasonboard.com>",
        "Received": [
            "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 6DC2E60B3B\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue,  8 Jan 2019 00:10:51 +0100 (CET)",
            "from avalon.bb.dnainternet.fi\n\t(dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi\n\t[IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 0C81D530\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue,  8 Jan 2019 00:10:50 +0100 (CET)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1546902651;\n\tbh=EFC44LTYh6j6cf8EntrQmYs5h81lgV/hX2CyS04vst4=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=e7gulBaor8unftMQ1vxzhjy9GVC0qUpc1fVRKYcVhy2qvEY6tmglmPfjg7u9hS0sn\n\tMeZ/S/G79kQrs/2hN6/+CLv13Jbu+Kk6G2ICM3vXpHp4/+KP2/pPCccA+upC51G3Wx\n\t/7pW+layo+TjVvBDKEX6m7eYXQH2awqGCp91eono=",
        "From": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue,  8 Jan 2019 01:11:50 +0200",
        "Message-Id": "<20190107231151.23291-11-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.19.2",
        "In-Reply-To": "<20190107231151.23291-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20190107231151.23291-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=UTF-8",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v2 10/11] test: Add timer test",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.23",
        "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>",
        "X-List-Received-Date": "Mon, 07 Jan 2019 23:10:51 -0000"
    },
    "content": "Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\n---\n test/meson.build |   1 +\n test/timer.cpp   | 149 +++++++++++++++++++++++++++++++++++++++++++++++\n 2 files changed, 150 insertions(+)\n create mode 100644 test/timer.cpp",
    "diff": "diff --git a/test/meson.build b/test/meson.build\nindex 4000bd51808a..f26c8701d827 100644\n--- a/test/meson.build\n+++ b/test/meson.build\n@@ -5,6 +5,7 @@ subdir('media_device')\n public_tests = [\n     ['list-cameras',    'list-cameras.cpp'],\n     ['signal',          'signal.cpp'],\n+    ['timer',           'timer.cpp'],\n ]\n \n internal_tests = [\ndiff --git a/test/timer.cpp b/test/timer.cpp\nnew file mode 100644\nindex 000000000000..6a3cda70bef4\n--- /dev/null\n+++ b/test/timer.cpp\n@@ -0,0 +1,149 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ * Copyright (C) 2019, Google Inc.\n+ *\n+ * timer.cpp - Timer test\n+ */\n+\n+#include <iostream>\n+\n+#include <libcamera/camera_manager.h>\n+#include <libcamera/event_dispatcher.h>\n+#include <libcamera/timer.h>\n+\n+#include \"test.h\"\n+\n+using namespace std;\n+using namespace libcamera;\n+\n+class ManagedTimer : public Timer\n+{\n+public:\n+\tManagedTimer() : Timer()\n+\t{\n+\t\ttimeout.connect(this, &ManagedTimer::timeoutHandler);\n+\t}\n+\n+\tvoid start(int msec)\n+\t{\n+\t\tinterval_ = msec;\n+\t\tclock_gettime(CLOCK_MONOTONIC, &start_);\n+\t\texpiration_ = { 0, 0 };\n+\n+\t\tTimer::start(msec);\n+\t}\n+\n+\tint jitter()\n+\t{\n+\t\tint duration = (expiration_.tv_sec - start_.tv_sec) * 1000;\n+\t\tduration += (expiration_.tv_nsec - start_.tv_nsec) / 1000000;\n+\t\treturn abs(duration - interval_);\n+\t}\n+\n+private:\n+\tvoid timeoutHandler(Timer *timer)\n+\t{\n+\t\tclock_gettime(CLOCK_MONOTONIC, &expiration_);\n+\t}\n+\n+\tint interval_;\n+\tstruct timespec start_;\n+\tstruct timespec expiration_;\n+};\n+\n+class TimerTest : public Test\n+{\n+protected:\n+\tint init()\n+\t{\n+\t\treturn 0;\n+\t}\n+\n+\tint run()\n+\t{\n+\t\tEventDispatcher *dispatcher = CameraManager::instance()->eventDispatcher();\n+\t\tManagedTimer timer;\n+\t\tManagedTimer timer2;\n+\n+\t\t/* Timer expiration. */\n+\t\ttimer.start(1000);\n+\n+\t\tif (!timer.isRunning()) {\n+\t\t\tcout << \"Timer expiration test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\tdispatcher->processEvents();\n+\n+\t\tif (timer.isRunning() || timer.jitter() > 50) {\n+\t\t\tcout << \"Timer expiration test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Timer restart. */\n+\t\ttimer.start(500);\n+\n+\t\tif (!timer.isRunning()) {\n+\t\t\tcout << \"Timer restart test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\tdispatcher->processEvents();\n+\n+\t\tif (timer.isRunning() || timer.jitter() > 50) {\n+\t\t\tcout << \"Timer restart test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Two timers. */\n+\t\ttimer.start(1000);\n+\t\ttimer2.start(300);\n+\n+\t\tdispatcher->processEvents();\n+\n+\t\tif (!timer.isRunning()) {\n+\t\t\tcout << \"Two timers test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\tif (timer2.jitter() > 50) {\n+\t\t\tcout << \"Two timers test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\tdispatcher->processEvents();\n+\n+\t\tif (timer.jitter() > 50) {\n+\t\t\tcout << \"Two timers test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Restart timer before expiration. */\n+\t\ttimer.start(1000);\n+\t\ttimer2.start(300);\n+\n+\t\tdispatcher->processEvents();\n+\n+\t\tif (timer2.jitter() > 50) {\n+\t\t\tcout << \"Two timers test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\ttimer.start(1000);\n+\n+\t\tdispatcher->processEvents();\n+\n+\t\tif (timer.jitter() > 50) {\n+\t\t\tcout << \"Two timers test failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\treturn TestPass;\n+\t}\n+\n+\tvoid cleanup()\n+\t{\n+\t}\n+};\n+\n+TEST_REGISTER(TimerTest)\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "10/11"
    ]
}