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{
    "id": 15549,
    "url": "https://patchwork.libcamera.org/api/patches/15549/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/15549/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
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    "msgid": "<20220325090903.880311-9-naush@raspberrypi.com>",
    "date": "2022-03-25T09:09:03",
    "name": "[libcamera-devel,v5,8/8] test: Test V4L2BufferCache::isEmpty() member function",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "e0f63f089491ffe1b999d276a932da112e94ddce",
    "submitter": {
        "id": 34,
        "url": "https://patchwork.libcamera.org/api/people/34/?format=api",
        "name": "Naushir Patuck",
        "email": "naush@raspberrypi.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/15549/mbox/",
    "series": [
        {
            "id": 2999,
            "url": "https://patchwork.libcamera.org/api/series/2999/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=2999",
            "date": "2022-03-25T09:08:55",
            "name": "Raspberry Pi: Efficient start/stop/start sequences",
            "version": 5,
            "mbox": "https://patchwork.libcamera.org/series/2999/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/15549/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/15549/checks/",
    "tags": {},
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 25 Mar 2022 09:09:03 +0000",
        "Message-Id": "<20220325090903.880311-9-naush@raspberrypi.com>",
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        "References": "<20220325090903.880311-1-naush@raspberrypi.com>",
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        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v5 8/8] test: Test\n\tV4L2BufferCache::isEmpty() member function",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
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        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "From": "Naushir Patuck via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Naushir Patuck <naush@raspberrypi.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Add a test for V4L2BufferCache::isEmpty() for various levels for cache fullness.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\n---\n test/v4l2_videodevice/buffer_cache.cpp | 36 ++++++++++++++++++++++++++\n 1 file changed, 36 insertions(+)",
    "diff": "diff --git a/test/v4l2_videodevice/buffer_cache.cpp b/test/v4l2_videodevice/buffer_cache.cpp\nindex b3f2bec11783..5a9aa2199c50 100644\n--- a/test/v4l2_videodevice/buffer_cache.cpp\n+++ b/test/v4l2_videodevice/buffer_cache.cpp\n@@ -126,6 +126,35 @@ public:\n \t\treturn TestPass;\n \t}\n \n+\tint testIsEmpty(const std::vector<std::unique_ptr<FrameBuffer>> &buffers)\n+\t{\n+\t\tV4L2BufferCache cache(buffers.size());\n+\n+\t\tif (!cache.isEmpty())\n+\t\t\treturn TestFail;\n+\n+\t\tfor (auto const &buffer : buffers) {\n+\t\t\tFrameBuffer &b = *buffer.get();\n+\t\t\tcache.get(b);\n+\t\t}\n+\n+\t\tif (cache.isEmpty())\n+\t\t\treturn TestFail;\n+\n+\t\tunsigned int i;\n+\t\tfor (i = 0; i < buffers.size() - 1; i++)\n+\t\t\tcache.put(i);\n+\n+\t\tif (cache.isEmpty())\n+\t\t\treturn TestFail;\n+\n+\t\tcache.put(i);\n+\t\tif (!cache.isEmpty())\n+\t\t\treturn TestFail;\n+\n+\t\treturn TestPass;\n+\t}\n+\n \tint init() override\n \t{\n \t\tstd::random_device rd;\n@@ -204,6 +233,13 @@ public:\n \t\tif (testHot(&cacheHalf, buffers, numBuffers / 2) != TestPass)\n \t\t\treturn TestFail;\n \n+\t\t/*\n+\t\t * Test that the isEmpty function reports the correct result at\n+\t\t * various levels of cache fullness.\n+\t\t */\n+\t\tif (testIsEmpty(buffers) != TestPass)\n+\t\t\treturn TestFail;\n+\n \t\treturn TestPass;\n \t}\n \n",
    "prefixes": [
        "libcamera-devel",
        "v5",
        "8/8"
    ]
}