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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/Runtime/testcase/tstRTCircBuf.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/testcase/tstRTCircBuf.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTCircBuf.cpp b/src/VBox/Runtime/testcase/tstRTCircBuf.cpp new file mode 100644 index 00000000..a140fb4e --- /dev/null +++ b/src/VBox/Runtime/testcase/tstRTCircBuf.cpp @@ -0,0 +1,135 @@ +/* $Id: tstRTCircBuf.cpp $ */ +/** @file + * IPRT Testcase - Lock free circular buffers. + */ + +/* + * Copyright (C) 2010-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE 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. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <iprt/circbuf.h> + +#include <iprt/errcore.h> +#include <iprt/string.h> +#include <iprt/test.h> + + +/** + * 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); +} + |