{"id":2311,"url":"https://patchwork.libcamera.org/api/patches/2311/?format=json","web_url":"https://patchwork.libcamera.org/patch/2311/","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":"<20191108205409.18845-16-laurent.pinchart@ideasonboard.com>","date":"2019-11-08T20:54:00","name":"[libcamera-devel,v2,15/24] test: Add ByteStreamBuffer test","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"65c90e666099f60a05273238f2f1c595892caba1","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/2311/mbox/","series":[{"id":568,"url":"https://patchwork.libcamera.org/api/series/568/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=568","date":"2019-11-08T20:53:45","name":"Control serialization and IPA C API","version":2,"mbox":"https://patchwork.libcamera.org/series/568/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/2311/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/2311/checks/","tags":{},"headers":{"Return-Path":"","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 CA96D6153D\n\tfor ;\n\tFri, 8 Nov 2019 21:54:27 +0100 (CET)","from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 776C331D\n\tfor ;\n\tFri, 8 Nov 2019 21:54:27 +0100 (CET)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1573246467;\n\tbh=/o4v3ajYRaJ6lHjiWSB9hct6HF2EVFD4F9/qXSXbj9E=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=i6/pLUgwJTlrVd+hnKXbhNRLFhSMRvEapF9SHjiXd+Y8W1UoB1S5xcNFsTJRsJeQi\n\tCa12lBScA1o+kI2x/Fy0QnOXqo4bUdOik5LUxfIJP2mLtAvrI5+emhF9ZoBcrMhv6s\n\tXO3cUw/f3JjYdX7Def6h0jJWP2YifluBhzfLtZvE=","From":"Laurent Pinchart ","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 8 Nov 2019 22:54:00 +0200","Message-Id":"<20191108205409.18845-16-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.23.0","In-Reply-To":"<20191108205409.18845-1-laurent.pinchart@ideasonboard.com>","References":"<20191108205409.18845-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v2 15/24] test: Add ByteStreamBuffer 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","X-List-Received-Date":"Fri, 08 Nov 2019 20:54:29 -0000"},"content":"The test exercises the API of the ByteStreamBuffer class in both read\nand write modes, including carve out buffers.\n\nSigned-off-by: Laurent Pinchart \n---\n test/byte-stream-buffer.cpp | 172 ++++++++++++++++++++++++++++++++++++\n test/meson.build | 1 +\n 2 files changed, 173 insertions(+)\n create mode 100644 test/byte-stream-buffer.cpp","diff":"diff --git a/test/byte-stream-buffer.cpp b/test/byte-stream-buffer.cpp\nnew file mode 100644\nindex 000000000000..bc1d462ebf6f\n--- /dev/null\n+++ b/test/byte-stream-buffer.cpp\n@@ -0,0 +1,172 @@\n+/* SPDX-License-Identifier: GPL-2.0-or-later */\n+/*\n+ * Copyright (C) 2018, Google Inc.\n+ *\n+ * byte_stream_buffer.cpp - ByteStreamBuffer tests\n+ */\n+\n+#include \n+#include \n+\n+#include \"byte_stream_buffer.h\"\n+#include \"test.h\"\n+\n+using namespace std;\n+using namespace libcamera;\n+\n+class ByteStreamBufferTest : public Test\n+{\n+protected:\n+\tint run()\n+\t{\n+\t\tstd::array data;\n+\t\tunsigned int i;\n+\t\tuint32_t value;\n+\t\tint ret;\n+\n+\t\t/*\n+\t\t * Write mode.\n+\t\t */\n+\t\tByteStreamBuffer wbuf(data.data(), data.size());\n+\n+\t\tif (wbuf.base() != data.data() || wbuf.size() != data.size() ||\n+\t\t wbuf.offset() != 0 || wbuf.overflow()) {\n+\t\t\tcerr << \"Write buffer incorrectly constructed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test write. */\n+\t\tvalue = 0x12345678;\n+\t\tret = wbuf.write(&value);\n+\t\tif (ret || wbuf.offset() != 4 || wbuf.overflow() ||\n+\t\t *reinterpret_cast(data.data()) != 0x12345678) {\n+\t\t\tcerr << \"Write failed on write buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test write carve out. */\n+\t\tByteStreamBuffer wco = wbuf.carveOut(10);\n+\t\tif (wco.base() != wbuf.base() + 4 || wco.size() != 10 ||\n+\t\t wco.offset() != 0 || wco.overflow() || wbuf.offset() != 14 ||\n+\t\t wbuf.overflow()) {\n+\t\t\tcerr << \"Carving out write buffer failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test write on the carved out buffer. */\n+\t\tvalue = 0x87654321;\n+\t\tret = wco.write(&value);\n+\t\tif (ret || wco.offset() != 4 || wco.overflow() ||\n+\t\t *reinterpret_cast(data.data() + 4) != 0x87654321) {\n+\t\t\tcerr << \"Write failed on carve out buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\tif (wbuf.offset() != 14 || wbuf.overflow()) {\n+\t\t\tcerr << \"Write on carve out buffer modified write buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test read, this should fail. */\n+\t\tret = wbuf.read(&value);\n+\t\tif (!ret || wbuf.overflow()) {\n+\t\t\tcerr << \"Read should fail on write buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test overflow on carved out buffer. */\n+\t\tfor (i = 0; i < 2; ++i) {\n+\t\t\tret = wco.write(&value);\n+\t\t\tif (ret < 0)\n+\t\t\t\tbreak;\n+\t\t}\n+\n+\t\tif (i != 1 || !wco.overflow() || !wbuf.overflow()) {\n+\t\t\tcerr << \"Write on carve out buffer failed to overflow\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test reinitialization of the buffer. */\n+\t\twbuf = ByteStreamBuffer(data.data(), data.size());\n+\t\tif (wbuf.overflow() || wbuf.base() != data.data() ||\n+\t\t wbuf.offset() != 0) {\n+\t\t\tcerr << \"Write buffer reinitialization failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/*\n+\t\t * Read mode.\n+\t\t */\n+\t\tByteStreamBuffer rbuf(const_cast(data.data()),\n+\t\t\t\t data.size());\n+\n+\t\tif (rbuf.base() != data.data() || rbuf.size() != data.size() ||\n+\t\t rbuf.offset() != 0 || rbuf.overflow()) {\n+\t\t\tcerr << \"Read buffer incorrectly constructed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test read. */\n+\t\tvalue = 0;\n+\t\tret = rbuf.read(&value);\n+\t\tif (ret || rbuf.offset() != 4 || rbuf.overflow() ||\n+\t\t value != 0x12345678) {\n+\t\t\tcerr << \"Write failed on write buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test read carve out. */\n+\t\tByteStreamBuffer rco = rbuf.carveOut(10);\n+\t\tif (rco.base() != rbuf.base() + 4 || rco.size() != 10 ||\n+\t\t rco.offset() != 0 || rco.overflow() || rbuf.offset() != 14 ||\n+\t\t rbuf.overflow()) {\n+\t\t\tcerr << \"Carving out read buffer failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test read on the carved out buffer. */\n+\t\tvalue = 0;\n+\t\tret = rco.read(&value);\n+\t\tif (ret || rco.offset() != 4 || rco.overflow() || value != 0x87654321) {\n+\t\t\tcerr << \"Read failed on carve out buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\tif (rbuf.offset() != 14 || rbuf.overflow()) {\n+\t\t\tcerr << \"Read on carve out buffer modified read buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test write, this should fail. */\n+\t\tret = rbuf.write(&value);\n+\t\tif (!ret || rbuf.overflow()) {\n+\t\t\tcerr << \"Write should fail on read buffer\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test overflow on carved out buffer. */\n+\t\tfor (i = 0; i < 2; ++i) {\n+\t\t\tret = rco.read(&value);\n+\t\t\tif (ret < 0)\n+\t\t\t\tbreak;\n+\t\t}\n+\n+\t\tif (i != 1 || !rco.overflow() || !rbuf.overflow()) {\n+\t\t\tcerr << \"Read on carve out buffer failed to overflow\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\t/* Test reinitialization of the buffer. */\n+\t\trbuf = ByteStreamBuffer(const_cast(data.data()),\n+\t\t\t\t\tdata.size());\n+\t\tif (rbuf.overflow() || rbuf.base() != data.data() ||\n+\t\t rbuf.offset() != 0) {\n+\t\t\tcerr << \"Read buffer reinitialization failed\" << endl;\n+\t\t\treturn TestFail;\n+\t\t}\n+\n+\t\treturn TestPass;\n+\t}\n+};\n+\n+TEST_REGISTER(ByteStreamBufferTest)\ndiff --git a/test/meson.build b/test/meson.build\nindex cf5eb84d20b2..adb5b29e69f3 100644\n--- a/test/meson.build\n+++ b/test/meson.build\n@@ -19,6 +19,7 @@ public_tests = [\n ]\n \n internal_tests = [\n+ ['byte-stream-buffer', 'byte-stream-buffer.cpp'],\n ['camera-sensor', 'camera-sensor.cpp'],\n ['event', 'event.cpp'],\n ['event-dispatcher', 'event-dispatcher.cpp'],\n","prefixes":["libcamera-devel","v2","15/24"]}