Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 352 insertions, 0 deletions

diff --git a/src/VBox/Runtime/testcase/tstFile.cpp b/src/VBox/Runtime/testcase/tstFile.cpp
new file mode 100644
index 00000000..6652950b
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstFile.cpp
@@ -0,0 +1,352 @@
+/* $Id: tstFile.cpp $ */
+/** @file
+ * IPRT Testcase - File I/O.
+ */
+
+/*
+ * Copyright (C) 2006-2022 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/test.h>
+#include <iprt/file.h>
+#include <iprt/errcore.h>
+#include <iprt/path.h>
+#include <iprt/rand.h>
+#include <iprt/string.h>
+#include <iprt/stream.h>
+
+
+/*********************************************************************************************************************************
+*   Global Variables                                                                                                             *
+*********************************************************************************************************************************/
+static const char g_szTestStr[] = "Sausages and bacon for breakfast again!\n";
+static char       g_szTestStr2[] =
+"Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut "
+"enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor "
+"in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non "
+"proident, sunt in culpa qui officia deserunt mollit anim id est laborum.\n"
+"\n"
+"Curabitur pretium tincidunt lacus. Nulla gravida orci a odio. Nullam varius, turpis et commodo pharetra, est eros bibendum "
+"elit, nec luctus magna felis sollicitudin mauris. Integer in mauris eu nibh euismod gravida. Duis ac tellus et risus "
+"vulputate vehicula. Donec lobortis risus a elit. Etiam tempor. Ut ullamcorper, ligula eu tempor congue, eros est euismod "
+"turpis, id tincidunt sapien risus a quam. Maecenas fermentum consequat mi. Donec fermentum. Pellentesque malesuada nulla a mi. "
+"Duis sapien sem, aliquet nec, commodo eget, consequat quis, neque. Aliquam faucibus, elit ut dictum aliquet, felis nisl "
+"adipiscing sapien, sed malesuada diam lacus eget erat. Cras mollis scelerisque nunc. Nullam arcu. Aliquam consequat. Curabitur "
+"augue lorem, dapibus quis, laoreet et, pretium ac, nisi. Aenean magna nisl, mollis quis, molestie eu, feugiat in, orci. In hac "
+"habitasse platea dictumst.\n";
+
+/**
+ * Structure holding queried file system properties we're performing our tests on.
+ */
+typedef struct FsProps
+{
+    RTFOFF   cbTotal;
+    RTFOFF   cbFree;
+    uint32_t cbBlock;
+    uint32_t cbSector;
+} FsProps;
+/** Queried file system properties we're performing our tests on. */
+static FsProps s_FsProps;
+
+
+static void tstAppend(RTFILE hFile)
+{
+    char achBuf[sizeof(g_szTestStr2) * 4];
+
+    /*
+     * Write some stuff and read it back.
+     */
+    size_t const cbWrite1 = sizeof(g_szTestStr2)  / 4;
+    RTTESTI_CHECK_RC_RETV(RTFileWrite(hFile, g_szTestStr2, sizeof(g_szTestStr2) - 1, NULL), VINF_SUCCESS);
+
+    size_t const offWrite2 = cbWrite1;
+    size_t const cbWrite2  = sizeof(g_szTestStr2) / 2;
+    RTTESTI_CHECK_RC_RETV(RTFileSeek(hFile, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+    RTTESTI_CHECK_RC_RETV(RTFileWrite(hFile, &g_szTestStr2[offWrite2], cbWrite2, NULL), VINF_SUCCESS);
+
+    RTTESTI_CHECK_RC_RETV(RTFileSeek(hFile, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+    RTTESTI_CHECK_RC_RETV(RTFileRead(hFile, achBuf, cbWrite1 + cbWrite2, NULL), VINF_SUCCESS);
+    if (memcmp(achBuf, g_szTestStr2, cbWrite1 + cbWrite2) != 0)
+        RTTestIFailed("Read back #1 failed (%#zx + %#zx)", cbWrite1, cbWrite2);
+
+#if 1 //ndef RT_OS_WINDOWS
+    /*
+     * Truncate the file and write some more. This is problematic on windows,
+     * we currently have a questionable hack in place to make this work.
+     */
+    RTTESTI_CHECK_RC_RETV(RTFileSetSize(hFile, 0), VINF_SUCCESS);
+
+    size_t const offWrite3 = cbWrite1 + cbWrite2;
+    size_t const cbWrite3  = sizeof(g_szTestStr2) - 1 - offWrite3;
+    RTTESTI_CHECK_RC_RETV(RTFileSeek(hFile, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+    RTTESTI_CHECK_RC_RETV(RTFileWrite(hFile, &g_szTestStr2[offWrite3], cbWrite3, NULL), VINF_SUCCESS);
+
+    RTTESTI_CHECK_RC_RETV(RTFileSeek(hFile, 0, RTFILE_SEEK_BEGIN, NULL), VINF_SUCCESS);
+    RTTESTI_CHECK_RC_RETV(RTFileRead(hFile, achBuf, cbWrite3, NULL), VINF_SUCCESS);
+    if (memcmp(achBuf, &g_szTestStr2[offWrite3], cbWrite3) != 0)
+        RTTestIFailed("Read back #2 failed (%#zx)", cbWrite3);
+#endif
+}
+
+
+static void tstBasics(RTFILE hFile)
+{
+    RTFOFF cbMax = -2;
+    int rc = RTFileQueryMaxSizeEx(hFile, &cbMax);
+    if (rc != VERR_NOT_IMPLEMENTED)
+    {
+        if (rc != VINF_SUCCESS)
+            RTTestIFailed("RTFileQueryMaxSizeEx failed: %Rrc", rc);
+        else
+        {
+            RTTESTI_CHECK_MSG(cbMax > 0, ("cbMax=%RTfoff", cbMax));
+            RTTESTI_CHECK_MSG(cbMax == RTFileGetMaxSize(hFile),
+                              ("cbMax=%RTfoff, RTFileGetMaxSize->%RTfoff", cbMax, RTFileGetMaxSize(hFile)));
+        }
+    }
+
+    uint64_t cbFileSize = _2G + RTRandU32Ex(_1K, _1M); /* Try growing file beyond 2G by default. */
+    if ((uint64_t)s_FsProps.cbFree <= cbFileSize)
+    {
+        RTTestIPrintf(RTTESTLVL_ALWAYS, "Warning: Free disk space less than testcase file size (%RTfoff vs. %RU64), limiting\n",
+                      s_FsProps.cbFree, cbFileSize);
+        cbFileSize = s_FsProps.cbFree -  _1M; /* Leave a bit of space on the fs. */
+    }
+    /** @todo Also check and clamp for fs max file size limits? */
+    RTTESTI_CHECK_MSG_RETV(cbFileSize, ("No space left on file system (disk full)"));
+
+    rc = RTFileSetSize(hFile, cbFileSize);
+    if (RT_FAILURE(rc))
+        RTTestIFailed("Failed to grow file #1 to %RU64. rc=%Rrc", cbFileSize, rc);
+    else
+    {
+        uint64_t cb;
+        RTTESTI_CHECK_RC(RTFileQuerySize(hFile, &cb), VINF_SUCCESS);
+        RTTESTI_CHECK_MSG(cb == cbFileSize, ("RTFileQuerySize return %RX64 bytes, expected %RX64.", cb, cbFileSize));
+
+        /*
+         * Try some writes at the beginning of the file.
+         */
+        uint64_t offFile = RTFileTell(hFile);
+        RTTESTI_CHECK_MSG(offFile == 0, ("RTFileTell -> %#RX64, expected 0 (#1)", offFile));
+
+        size_t cbWritten = 0;
+        while (cbWritten < sizeof(g_szTestStr))
+        {
+            size_t cbWrittenPart;
+            rc = RTFileWrite(hFile, &g_szTestStr[cbWritten], sizeof(g_szTestStr) - cbWritten, &cbWrittenPart);
+            if (RT_FAILURE(rc))
+                break;
+            cbWritten += cbWrittenPart;
+        }
+        if (RT_FAILURE(rc))
+            RTTestIFailed("Failed to write to file #1 at offset 0. rc=%Rrc\n", rc);
+        else
+        {
+            /* check that it was written correctly. */
+            rc = RTFileSeek(hFile, 0, RTFILE_SEEK_BEGIN, NULL);
+            if (RT_FAILURE(rc))
+                RTTestIFailed("Failed to seek offset 0 in file #1. rc=%Rrc\n", rc);
+            else
+            {
+                char        szReadBuf[sizeof(g_szTestStr)];
+                size_t      cbRead = 0;
+                while (cbRead < sizeof(g_szTestStr))
+                {
+                    size_t cbReadPart;
+                    rc = RTFileRead(hFile, &szReadBuf[cbRead], sizeof(g_szTestStr) - cbRead, &cbReadPart);
+                    if (RT_FAILURE(rc))
+                        break;
+                    cbRead += cbReadPart;
+                }
+                if (RT_FAILURE(rc))
+                    RTTestIFailed("Failed to read from file #1 at offset 0. rc=%Rrc\n", rc);
+                else
+                {
+                    if (!memcmp(szReadBuf, g_szTestStr, sizeof(g_szTestStr)))
+                        RTPrintf("tstFile: head write ok\n");
+                    else
+                        RTTestIFailed("Data read from file #1 at offset 0 differs from what we wrote there.\n");
+                }
+            }
+        }
+
+        /*
+         * Try some writes at the end of the file.
+         */
+        rc = RTFileSeek(hFile, cbFileSize, RTFILE_SEEK_BEGIN, NULL);
+        if (RT_FAILURE(rc))
+            RTTestIFailed("Failed to seek to %RU64 in file #1. rc=%Rrc\n", cbFileSize, rc);
+        else
+        {
+            offFile = RTFileTell(hFile);
+            if (offFile != cbFileSize)
+                RTTestIFailed("RTFileTell -> %#llx, expected %#llx (#2)\n", offFile, cbFileSize);
+            else
+            {
+                cbWritten = 0;
+                while (cbWritten < sizeof(g_szTestStr))
+                {
+                    size_t cbWrittenPart;
+                    rc = RTFileWrite(hFile, &g_szTestStr[cbWritten], sizeof(g_szTestStr) - cbWritten, &cbWrittenPart);
+                    if (RT_FAILURE(rc))
+                        break;
+                    cbWritten += cbWrittenPart;
+                }
+                if (RT_FAILURE(rc))
+                    RTTestIFailed("Failed to write to file #1 at offset %RU64.  rc=%Rrc\n", cbFileSize, rc);
+                else
+                {
+                    rc = RTFileSeek(hFile, offFile, RTFILE_SEEK_BEGIN, NULL);
+                    if (RT_FAILURE(rc))
+                        RTTestIFailed("Failed to seek offset %RX64 in file #1. rc=%Rrc\n", offFile, rc);
+                    else
+                    {
+                        char        szReadBuf[sizeof(g_szTestStr)];
+                        size_t      cbRead = 0;
+                        while (cbRead < sizeof(g_szTestStr))
+                        {
+                            size_t cbReadPart;
+                            rc = RTFileRead(hFile, &szReadBuf[cbRead], sizeof(g_szTestStr) - cbRead, &cbReadPart);
+                            if (RT_FAILURE(rc))
+                                break;
+                            cbRead += cbReadPart;
+                        }
+                        if (RT_FAILURE(rc))
+                            RTTestIFailed("Failed to read from file #1 at offset %RU64. rc=%Rrc\n", cbFileSize, rc);
+                        else
+                        {
+                            if (!memcmp(szReadBuf, g_szTestStr, sizeof(g_szTestStr)))
+                                RTPrintf("tstFile: tail write ok\n");
+                            else
+                                RTTestIFailed("Data read from file #1 at offset %RU64 differs from what we wrote there.\n",
+                                              cbFileSize);
+                        }
+                    }
+                }
+            }
+        }
+
+        /*
+         * Some general seeking around.
+         */
+        RTFOFF offSeek = RTRandS64Ex(0, cbFileSize);
+        rc = RTFileSeek(hFile, offSeek, RTFILE_SEEK_BEGIN, NULL);
+        if (RT_FAILURE(rc))
+            RTTestIFailed("Failed to seek to %RTfoff in file #1. rc=%Rrc\n", offSeek, rc);
+        else
+        {
+            offFile = RTFileTell(hFile);
+            if (offFile != (uint64_t)offSeek)
+                RTTestIFailed("RTFileTell -> %#RTfoff, expected %RTfoff (#3)\n", offFile, offSeek);
+        }
+
+        /* seek end */
+        rc = RTFileSeek(hFile, 0, RTFILE_SEEK_END, NULL);
+        if (RT_FAILURE(rc))
+            RTTestIFailed("Failed to seek to end of file #1. rc=%Rrc\n", rc);
+        else
+        {
+            offFile = RTFileTell(hFile);
+            if (offFile != cbFileSize + sizeof(g_szTestStr)) /* assuming tail write was ok. */
+                RTTestIFailed("RTFileTell -> %RTfoff, expected %#RX64 (#4)\n", offFile, cbFileSize + sizeof(g_szTestStr));
+        }
+
+        /* seek start */
+        rc = RTFileSeek(hFile, 0, RTFILE_SEEK_BEGIN, NULL);
+        if (RT_FAILURE(rc))
+            RTTestIFailed("Failed to seek to end of file #1. rc=%Rrc\n", rc);
+        else
+        {
+            offFile = RTFileTell(hFile);
+            if (offFile != 0)
+                RTTestIFailed("RTFileTell -> %RTfoff, expected 0 (#5)\n", offFile);
+        }
+    }
+}
+
+int main()
+{
+    RTTEST      hTest;
+    RTEXITCODE rcExit = RTTestInitAndCreate("tstRTFile", &hTest);
+    if (rcExit != RTEXITCODE_SUCCESS)
+        return rcExit;
+    RTTestBanner(hTest);
+
+    /*
+     * Query file system sizes first.
+     * This is needed beforehand, so that we don't perform tests which cannot succeed because of known limitations
+     * (too little space, file system maximum file size restrictions, ++).
+     */
+    char szCWD[RTPATH_MAX];
+    int rc = RTPathGetCurrent(szCWD, sizeof(szCWD));
+    RTTESTI_CHECK_MSG(RT_SUCCESS(rc), ("Unable to query current directory, rc=%Rrc", rc));
+    rc = RTFsQuerySizes(szCWD, &s_FsProps.cbTotal, &s_FsProps.cbFree, &s_FsProps.cbBlock, &s_FsProps.cbSector);
+    RTTESTI_CHECK_MSG(RT_SUCCESS(rc), ("Unable to query file system sizes of '%s', rc=%Rrc", szCWD, rc));
+
+    /*
+     * Some basic tests.
+     */
+    RTTestSub(hTest, "Basics");
+    RTFILE hFile = NIL_RTFILE;
+    RTTESTI_CHECK_RC(rc = RTFileOpen(&hFile, "tstFile#1.tst", RTFILE_O_READWRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE),
+                     VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+    {
+        tstBasics(hFile);
+        RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
+        RTTESTI_CHECK_RC(RTFileDelete("tstFile#1.tst"), VINF_SUCCESS);
+    }
+
+    /*
+     * Test appending & truncation.
+     */
+    RTTestSub(hTest, "Append");
+    hFile = NIL_RTFILE;
+    RTTESTI_CHECK_RC(rc = RTFileOpen(&hFile, "tstFile#2.tst",
+                                     RTFILE_O_READWRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE | RTFILE_O_APPEND),
+                     VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+    {
+        tstAppend(hFile);
+        RTTESTI_CHECK_RC(RTFileClose(hFile), VINF_SUCCESS);
+        RTTESTI_CHECK_RC(RTFileDelete("tstFile#2.tst"), VINF_SUCCESS);
+    }
+
+    /*
+     * Done.
+     */
+    return RTTestSummaryAndDestroy(hTest);
+}
+