From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Runtime/testcase/tstRTCircBuf.cpp | 145 +++++++++++++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 src/VBox/Runtime/testcase/tstRTCircBuf.cpp (limited to 'src/VBox/Runtime/testcase/tstRTCircBuf.cpp') diff --git a/src/VBox/Runtime/testcase/tstRTCircBuf.cpp b/src/VBox/Runtime/testcase/tstRTCircBuf.cpp new file mode 100644 index 00000000..643d1bc0 --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTCircBuf.cpp @@ -0,0 +1,145 @@ +/* $Id: tstRTCircBuf.cpp $ */ +/** @file + * IPRT Testcase - Lock free circular buffers. + */ + +/* + * Copyright (C) 2010-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include + +#include +#include +#include + + +/** + * Basic API checks. + */ +static void tst1(void) +{ + void *pvBuf; + size_t cbSize; + + char achTestPattern1[] = { 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9 }; +// char achTestPattern2[] = { 0x8, 0x9, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9 }; +// char achTestPattern3[] = { 0x5, 0x6, 0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7 }; + + /* Create */ + RTTestISub("Creation"); + PRTCIRCBUF pBuf; + RTTESTI_CHECK_RC(RTCircBufCreate(&pBuf, 10), VINF_SUCCESS); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 10); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 0); + + /* Full write */ + RTTestISub("Full write"); + RTCircBufAcquireWriteBlock(pBuf, 10, &pvBuf, &cbSize); + RTTESTI_CHECK(cbSize == 10); + memcpy(pvBuf, achTestPattern1, 10); + RTCircBufReleaseWriteBlock(pBuf, 10); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 0); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 10); +// RTTESTI_CHECK(memcmp(pBuf->pvBuf, achTestPattern1, 10) == 0); /* Check the internal state */ + + /* Half read */ + RTTestISub("Half read"); + RTCircBufAcquireReadBlock(pBuf, 5, &pvBuf, &cbSize); + RTTESTI_CHECK(cbSize == 5); + RTTESTI_CHECK(memcmp(pvBuf, achTestPattern1, 5) == 0); + RTCircBufReleaseReadBlock(pBuf, 5); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 5); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 5); + + /* Sub write */ + RTTestISub("Sub write"); + RTCircBufAcquireWriteBlock(pBuf, 2, &pvBuf, &cbSize); + RTTESTI_CHECK(cbSize == 2); + memcpy(pvBuf, &achTestPattern1[8], 2); + RTCircBufReleaseWriteBlock(pBuf, 2); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 3); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 7); +// RTTESTI_CHECK(memcmp(pBuf->pvBuf, achTestPattern2, 10) == 0); /* Check the internal state */ + + /* Split tests */ + /* Split read */ + RTTestISub("Split read"); + RTCircBufAcquireReadBlock(pBuf, 7, &pvBuf, &cbSize); + RTTESTI_CHECK(cbSize == 5); + RTTESTI_CHECK(memcmp(pvBuf, &achTestPattern1[5], 5) == 0); + RTCircBufReleaseReadBlock(pBuf, 5); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 8); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 2); + RTCircBufAcquireReadBlock(pBuf, 2, &pvBuf, &cbSize); + RTTESTI_CHECK(cbSize == 2); + RTTESTI_CHECK(memcmp(pvBuf, &achTestPattern1[8], 2) == 0); + RTCircBufReleaseReadBlock(pBuf, 2); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 10); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 0); + + /* Split write */ + RTTestISub("Split write"); + RTCircBufAcquireWriteBlock(pBuf, 10, &pvBuf, &cbSize); + RTTESTI_CHECK(cbSize == 8); + memcpy(pvBuf, achTestPattern1, 8); + RTCircBufReleaseWriteBlock(pBuf, 8); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 2); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 8); + RTCircBufAcquireWriteBlock(pBuf, 2, &pvBuf, &cbSize); + RTTESTI_CHECK(cbSize == 2); + memcpy(pvBuf, &achTestPattern1[5], 2); + RTCircBufReleaseWriteBlock(pBuf, 2); + RTTESTI_CHECK(RTCircBufFree(pBuf) == 0); + RTTESTI_CHECK(RTCircBufUsed(pBuf) == 10); +// RTTESTI_CHECK(memcmp(pBuf->pvBuf, achTestPattern3, 10) == 0); /* Check the internal state */ + + /* Destroy */ + RTCircBufDestroy(pBuf); +} + + +int main() +{ + RTTEST hTest; + int rc = RTTestInitAndCreate("tstRTCircBuf", &hTest); + if (rc) + return rc; + RTTestBanner(hTest); + + tst1(); + + return RTTestSummaryAndDestroy(hTest); +} + -- cgit v1.2.3