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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/Runtime/testcase/tstRTCircBuf.cpp
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/testcase/tstRTCircBuf.cpp')
-rw-r--r--src/VBox/Runtime/testcase/tstRTCircBuf.cpp145
1 files changed, 145 insertions, 0 deletions
diff --git a/src/VBox/Runtime/testcase/tstRTCircBuf.cpp b/src/VBox/Runtime/testcase/tstRTCircBuf.cpp
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+/* $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 <https://www.gnu.org/licenses>.
+ *
+ * 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 <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);
+}
+