[{"id":11856,"web_url":"https://patchwork.libcamera.org/comment/11856/","msgid":"<20200805004311.GW6075@pendragon.ideasonboard.com>","date":"2020-08-05T00:43:11","subject":"Re: [libcamera-devel] [PATCH v3 04/13] test: mapped-buffers:\n\tProvide MappedBuffer test","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"content":"Hi Kieran,\n\nThank you for the patch.\n\nOn Tue, Aug 04, 2020 at 10:47:02PM +0100, Kieran Bingham wrote:\n> Provide initial testing framework for the MappedBuffer component.\n> \n> Signed-off-by: Kieran Bingham \n> ---\n> test/mapped-buffers.cpp | 113 ++++++++++++++++++++++++++++++++++++++++\n\nWe usually don't pluralize the test file name.\n\n> test/meson.build | 1 +\n> 2 files changed, 114 insertions(+)\n> create mode 100644 test/mapped-buffers.cpp\n> \n> diff --git a/test/mapped-buffers.cpp b/test/mapped-buffers.cpp\n> new file mode 100644\n> index 000000000000..4c0557070ca3\n> --- /dev/null\n> +++ b/test/mapped-buffers.cpp\n> @@ -0,0 +1,113 @@\n> +/* SPDX-License-Identifier: GPL-2.0-or-later */\n> +/*\n> + * Copyright (C) 2020, Google Inc.\n> + *\n> + * libcamera internal MappedBuffer tests\n> + */\n> +\n> +#include \n> +\n> +#include \"camera_test.h\"\n> +#include \"test.h\"\n> +\n> +#include \"libcamera/internal/buffer.h\"\n\nShould this go between iostream and camera_test.h ?\n\n> +\n> +using namespace std;\n> +\n> +namespace {\n> +\n> +class MappedBuffers : public CameraTest, public Test\n\nWe usually name the test class with a Test suffix (MappedBufferTest).\n\n> +{\n> +public:\n> +\tMappedBuffers()\n> +\t\t: CameraTest(\"VIMC Sensor B\")\n\nEither you or Niklas will have to solve this merge conflict :-) I wonder\nif CameraTest shouldn't default to VIMC Sensor, but that's for another\npatch.\n\n> +\t{\n> +\t}\n> +\n> +protected:\n> +\tint init() override\n> +\t{\n> +\t\tif (status_ != TestPass)\n> +\t\t\treturn status_;\n> +\n> +\t\tconfig_ = camera_->generateConfiguration({ StreamRole::VideoRecording });\n> +\t\tif (!config_ || config_->size() != 1) {\n> +\t\t\tcout << \"Failed to generate default configuration\" << endl;\n> +\t\t\treturn TestFail;\n> +\t\t}\n> +\n> +\t\tallocator_ = new FrameBufferAllocator(camera_);\n> +\n> +\t\tStreamConfiguration &cfg = config_->at(0);\n> +\n> +\t\tif (camera_->acquire()) {\n> +\t\t\tcout << \"Failed to acquire the camera\" << endl;\n> +\t\t\treturn TestFail;\n> +\t\t}\n> +\n> +\t\tif (camera_->configure(config_.get())) {\n> +\t\t\tcout << \"Failed to set default configuration\" << endl;\n> +\t\t\treturn TestFail;\n> +\t\t}\n> +\n> +\t\tstream_ = cfg.stream();\n> +\n> +\t\tint ret = allocator_->allocate(stream_);\n> +\t\tif (ret < 0)\n> +\t\t\treturn TestFail;\n> +\n> +\t\treturn TestPass;\n> +\t}\n> +\n> +\tvoid cleanup() override\n> +\t{\n> +\t\tdelete allocator_;\n> +\t}\n> +\n> +\tint run() override\n> +\t{\n> +\t\tconst std::unique_ptr &buffer = allocator_->buffers(stream_).front();\n> +\t\tstd::vector maps;\n> +\n> +\t\tMappedFrameBuffer map(buffer.get(), PROT_READ);\n> +\t\tif (!map.isValid()) {\n> +\t\t\tcout << \"Failed to successfully map buffer\" << endl;\n> +\t\t\treturn TestFail;\n> +\t\t}\n> +\n> +\t\t/* Make sure we can move it. */\n> +\t\tmaps.emplace_back(std::move(map));\n> +\n> +\t\t/* But copying is prevented, it would cause double-unmap. */\n> +\t\t// MappedFrameBuffer map_copy = map;\n> +\n> +\t\t/* Local map should be invalid (after move). */\n> +\t\tif (map.isValid()) {\n> +\t\t\tcout << \"Post-move map should not be valid\" << endl;\n> +\t\t\treturn TestFail;\n> +\t\t}\n> +\n> +\t\t/* Test for multiple successful maps on the same buffer. */\n> +\t\tMappedFrameBuffer write_map(buffer.get(), PROT_WRITE);\n> +\t\tif (!write_map.isValid()) {\n> +\t\t\tcout << \"Failed to map write buffer\" << endl;\n> +\t\t\treturn TestFail;\n> +\t\t}\n> +\n> +\t\tMappedFrameBuffer rw_map(buffer.get(), PROT_READ | PROT_WRITE);\n> +\t\tif (!rw_map.isValid()) {\n> +\t\t\tcout << \"Failed to map RW buffer\" << endl;\n> +\t\t\treturn TestFail;\n> +\t\t}\n> +\n> +\t\treturn TestPass;\n> +\t}\n> +\n\nprivate:\n\nReviewed-by: Laurent Pinchart \n\n> +\tstd::unique_ptr config_;\n> +\tFrameBufferAllocator *allocator_;\n> +\tStream *stream_;\n> +};\n> +\n> +} /* namespace */\n> +\n> +TEST_REGISTER(MappedBuffers);\n> diff --git a/test/meson.build b/test/meson.build\n> index 775187159dec..376ee6cee175 100644\n> --- a/test/meson.build\n> +++ b/test/meson.build\n> @@ -31,6 +31,7 @@ internal_tests = [\n> ['file', 'file.cpp'],\n> ['file-descriptor', 'file-descriptor.cpp'],\n> ['hotplug-cameras', 'hotplug-cameras.cpp'],\n> + ['mapped-buffers', 'mapped-buffers.cpp'],\n> ['message', 'message.cpp'],\n> ['object', 'object.cpp'],\n> ['object-delete', 'object-delete.cpp'],","headers":{"Return-Path":"","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 E957DBD87A\n\tfor ;\n\tWed, 5 Aug 2020 00:43:25 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 6CD2A6054A;\n\tWed, 5 Aug 2020 02:43:25 +0200 (CEST)","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 E66FB60536\n\tfor ;\n\tWed, 5 Aug 2020 02:43:23 +0200 (CEST)","from pendragon.ideasonboard.com (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 4F09827B;\n\tWed, 5 Aug 2020 02:43:23 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"XuTBFKVF\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1596588203;\n\tbh=ZKLncSKxgX0W6arwJW3g7qJXPiLuzov/2ga9m2rx3RQ=;\n\th=Date:From:To:Cc:Subject:References:In-Reply-To:From;\n\tb=XuTBFKVFRt8anNElgfMd1yUGoiks4BQfKQC1PiupajRGOuRGHV93Ve2Dnb+n0HydD\n\t+x68F8SNGtdWLzDJOzHxUyOZ0BDa3oD8cL4eE8GX8uVLovo0+RfUvS2WGscnxIDrbx\n\taHXL/OHW9nEq6C7tKoL80G7vr48iBk5SLHJZ7ctk=","Date":"Wed, 5 Aug 2020 03:43:11 +0300","From":"Laurent Pinchart ","To":"Kieran Bingham ","Message-ID":"<20200805004311.GW6075@pendragon.ideasonboard.com>","References":"<20200804214711.177645-1-kieran.bingham@ideasonboard.com>\n\t<20200804214711.177645-5-kieran.bingham@ideasonboard.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20200804214711.177645-5-kieran.bingham@ideasonboard.com>","Subject":"Re: [libcamera-devel] [PATCH v3 04/13] test: mapped-buffers:\n\tProvide MappedBuffer test","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"libcamera devel ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":11887,"web_url":"https://patchwork.libcamera.org/comment/11887/","msgid":"","date":"2020-08-05T14:28:00","subject":"Re: [libcamera-devel] [PATCH v3 04/13] test: mapped-buffers:\n\tProvide MappedBuffer test","submitter":{"id":4,"url":"https://patchwork.libcamera.org/api/people/4/","name":"Kieran Bingham","email":"kieran.bingham@ideasonboard.com"},"content":"Hi Laurent,\n\nOn 05/08/2020 01:43, Laurent Pinchart wrote:\n> Hi Kieran,\n> \n> Thank you for the patch.\n> \n> On Tue, Aug 04, 2020 at 10:47:02PM +0100, Kieran Bingham wrote:\n>> Provide initial testing framework for the MappedBuffer component.\n>>\n>> Signed-off-by: Kieran Bingham \n>> ---\n>> test/mapped-buffers.cpp | 113 ++++++++++++++++++++++++++++++++++++++++\n> \n> We usually don't pluralize the test file name.\n\nDepluralised.\n\n> \n>> test/meson.build | 1 +\n>> 2 files changed, 114 insertions(+)\n>> create mode 100644 test/mapped-buffers.cpp\n>>\n>> diff --git a/test/mapped-buffers.cpp b/test/mapped-buffers.cpp\n>> new file mode 100644\n>> index 000000000000..4c0557070ca3\n>> --- /dev/null\n>> +++ b/test/mapped-buffers.cpp\n>> @@ -0,0 +1,113 @@\n>> +/* SPDX-License-Identifier: GPL-2.0-or-later */\n>> +/*\n>> + * Copyright (C) 2020, Google Inc.\n>> + *\n>> + * libcamera internal MappedBuffer tests\n>> + */\n>> +\n>> +#include \n>> +\n>> +#include \"camera_test.h\"\n>> +#include \"test.h\"\n>> +\n>> +#include \"libcamera/internal/buffer.h\"\n> \n> Should this go between iostream and camera_test.h ?\n\nAh yes,\n\n\n>> +\n>> +using namespace std;\n>> +\n>> +namespace {\n>> +\n>> +class MappedBuffers : public CameraTest, public Test\n> \n> We usually name the test class with a Test suffix (MappedBufferTest).\n\nFixed.\n\n\n> \n>> +{\n>> +public:\n>> +\tMappedBuffers()\n>> +\t\t: CameraTest(\"VIMC Sensor B\")\n> \n> Either you or Niklas will have to solve this merge conflict :-) I wonder\n> if CameraTest shouldn't default to VIMC Sensor, but that's for another\n> patch.\n> \n\nIn this case I don't care about the source, just that I can get an\nallocation for a 'real' buffer.\n\n\n\n>> +\t{\n>> +\t}\n>> +\n>> +protected:\n>> +\tint init() override\n>> +\t{\n>> +\t\tif (status_ != TestPass)\n>> +\t\t\treturn status_;\n>> +\n>> +\t\tconfig_ = camera_->generateConfiguration({ StreamRole::VideoRecording });\n>> +\t\tif (!config_ || config_->size() != 1) {\n>> +\t\t\tcout << \"Failed to generate default configuration\" << endl;\n>> +\t\t\treturn TestFail;\n>> +\t\t}\n>> +\n>> +\t\tallocator_ = new FrameBufferAllocator(camera_);\n>> +\n>> +\t\tStreamConfiguration &cfg = config_->at(0);\n>> +\n>> +\t\tif (camera_->acquire()) {\n>> +\t\t\tcout << \"Failed to acquire the camera\" << endl;\n>> +\t\t\treturn TestFail;\n>> +\t\t}\n>> +\n>> +\t\tif (camera_->configure(config_.get())) {\n>> +\t\t\tcout << \"Failed to set default configuration\" << endl;\n>> +\t\t\treturn TestFail;\n>> +\t\t}\n>> +\n>> +\t\tstream_ = cfg.stream();\n>> +\n>> +\t\tint ret = allocator_->allocate(stream_);\n>> +\t\tif (ret < 0)\n>> +\t\t\treturn TestFail;\n>> +\n>> +\t\treturn TestPass;\n>> +\t}\n>> +\n>> +\tvoid cleanup() override\n>> +\t{\n>> +\t\tdelete allocator_;\n>> +\t}\n>> +\n>> +\tint run() override\n>> +\t{\n>> +\t\tconst std::unique_ptr &buffer = allocator_->buffers(stream_).front();\n>> +\t\tstd::vector maps;\n>> +\n>> +\t\tMappedFrameBuffer map(buffer.get(), PROT_READ);\n>> +\t\tif (!map.isValid()) {\n>> +\t\t\tcout << \"Failed to successfully map buffer\" << endl;\n>> +\t\t\treturn TestFail;\n>> +\t\t}\n>> +\n>> +\t\t/* Make sure we can move it. */\n>> +\t\tmaps.emplace_back(std::move(map));\n>> +\n>> +\t\t/* But copying is prevented, it would cause double-unmap. */\n>> +\t\t// MappedFrameBuffer map_copy = map;\n>> +\n>> +\t\t/* Local map should be invalid (after move). */\n>> +\t\tif (map.isValid()) {\n>> +\t\t\tcout << \"Post-move map should not be valid\" << endl;\n>> +\t\t\treturn TestFail;\n>> +\t\t}\n>> +\n>> +\t\t/* Test for multiple successful maps on the same buffer. */\n>> +\t\tMappedFrameBuffer write_map(buffer.get(), PROT_WRITE);\n>> +\t\tif (!write_map.isValid()) {\n>> +\t\t\tcout << \"Failed to map write buffer\" << endl;\n>> +\t\t\treturn TestFail;\n>> +\t\t}\n>> +\n>> +\t\tMappedFrameBuffer rw_map(buffer.get(), PROT_READ | PROT_WRITE);\n>> +\t\tif (!rw_map.isValid()) {\n>> +\t\t\tcout << \"Failed to map RW buffer\" << endl;\n>> +\t\t\treturn TestFail;\n>> +\t\t}\n>> +\n>> +\t\treturn TestPass;\n>> +\t}\n>> +\n> \n> private:\n\nFixed.\n\n> \n> Reviewed-by: Laurent Pinchart \n\nThanks.\n\n\n\n> \n>> +\tstd::unique_ptr config_;\n>> +\tFrameBufferAllocator *allocator_;\n>> +\tStream *stream_;\n>> +};\n>> +\n>> +} /* namespace */\n>> +\n>> +TEST_REGISTER(MappedBuffers);\n>> diff --git a/test/meson.build b/test/meson.build\n>> index 775187159dec..376ee6cee175 100644\n>> --- a/test/meson.build\n>> +++ b/test/meson.build\n>> @@ -31,6 +31,7 @@ internal_tests = [\n>> ['file', 'file.cpp'],\n>> ['file-descriptor', 'file-descriptor.cpp'],\n>> ['hotplug-cameras', 'hotplug-cameras.cpp'],\n>> + ['mapped-buffers', 'mapped-buffers.cpp'],\n>> ['message', 'message.cpp'],\n>> ['object', 'object.cpp'],\n>> ['object-delete', 'object-delete.cpp'],\n>","headers":{"Return-Path":"","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 AC4CCBD86F\n\tfor ;\n\tWed, 5 Aug 2020 14:28:05 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 4634660599;\n\tWed, 5 Aug 2020 16:28:05 +0200 (CEST)","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 0F4226039D\n\tfor ;\n\tWed, 5 Aug 2020 16:28:04 +0200 (CEST)","from [192.168.0.20]\n\t(cpc89244-aztw30-2-0-cust3082.18-1.cable.virginm.net [86.31.172.11])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 646812C0;\n\tWed, 5 Aug 2020 16:28:03 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"CdfNpVMt\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1596637683;\n\tbh=6QS67ZVlxs/fJU4aGlCmoV8GMuFDkHjjaN19bjbBuJU=;\n\th=Reply-To:Subject:To:Cc:References:From:Date:In-Reply-To:From;\n\tb=CdfNpVMtnAWkWr4ptneiFFsIH4rFLMHnoIvIGrNI9fOx/OPHYdl8+IjwtOTo9H7l5\n\tK52dYwphDtOvQrC2HQHXxbYfPCrKdaghYrpS/BcUpwxS4cI6F4atTlEtgwuvqTbjxO\n\tW7Uw1eT5sZHKIWXgNTs4eUDrIhjrVIRda00lyRGs=","To":"Laurent Pinchart ","References":"<20200804214711.177645-1-kieran.bingham@ideasonboard.com>\n\t<20200804214711.177645-5-kieran.bingham@ideasonboard.com>\n\t<20200805004311.GW6075@pendragon.ideasonboard.com>","From":"Kieran Bingham ","Autocrypt":"addr=kieran.bingham@ideasonboard.com; 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on Board","Message-ID":"","Date":"Wed, 5 Aug 2020 15:28:00 +0100","User-Agent":"Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101\n\tThunderbird/68.10.0","MIME-Version":"1.0","In-Reply-To":"<20200805004311.GW6075@pendragon.ideasonboard.com>","Content-Language":"en-GB","Subject":"Re: [libcamera-devel] [PATCH v3 04/13] test: mapped-buffers:\n\tProvide MappedBuffer test","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Reply-To":"kieran.bingham@ideasonboard.com","Cc":"libcamera devel ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]