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-rw-r--r--src/VBox/Runtime/testcase/tstFile.cpp312
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diff --git a/src/VBox/Runtime/testcase/tstFile.cpp b/src/VBox/Runtime/testcase/tstFile.cpp
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+/* $Id: tstFile.cpp $ */
+/** @file
+ * IPRT Testcase - File I/O.
+ */
+
+/*
+ * Copyright (C) 2006-2019 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/file.h>
+#include <iprt/errcore.h>
+#include <iprt/string.h>
+#include <iprt/stream.h>
+#include <iprt/initterm.h>
+
+
+int main()
+{
+ int cErrors = 0;
+ RTPrintf("tstFile: TESTING\n");
+ RTR3InitExeNoArguments(0);
+
+ RTFILE File;
+ int rc = RTFileOpen(&File, "tstFile#1.tst", RTFILE_O_READWRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("tstFile: FATAL ERROR - Failed to open file #1. rc=%Rrc\n", rc);
+ return 1;
+ }
+
+ RTFOFF cbMax = -2;
+ rc = RTFileGetMaxSizeEx(File, &cbMax);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("tstFile: RTFileGetMaxSizeEx failed: %Rrc\n", rc);
+ cErrors++;
+ }
+ else if (cbMax <= 0)
+ {
+ RTPrintf("tstFile: RTFileGetMaxSizeEx failed: cbMax=%RTfoff\n", cbMax);
+ cErrors++;
+ }
+ else if (RTFileGetMaxSize(File) != cbMax)
+ {
+ RTPrintf("tstFile: RTFileGetMaxSize failed; returns %RTfoff instead of %RTfoff\n", RTFileGetMaxSize(File), cbMax);
+ cErrors++;
+ }
+ else
+ RTPrintf("Maximum file size is %RTfoff bytes.\n", cbMax);
+
+ /* grow file beyond 2G */
+ rc = RTFileSetSize(File, _2G + _1M);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to grow file #1 to 2.001GB. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ uint64_t cb;
+ rc = RTFileGetSize(File, &cb);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to get file size of #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else if (cb != _2G + _1M)
+ {
+ RTPrintf("RTFileGetSize return %RX64 bytes, expected %RX64.\n", cb, _2G + _1M);
+ cErrors++;
+ }
+ else
+ RTPrintf("tstFile: cb=%RX64\n", cb);
+
+ /*
+ * Try some writes at the beginning of the file.
+ */
+ uint64_t offFile = RTFileTell(File);
+ if (offFile != 0)
+ {
+ RTPrintf("RTFileTell -> %#RX64, expected 0 (#1)\n", offFile);
+ cErrors++;
+ }
+ static const char szTestBuf[] = "Sausages and bacon for breakfast again!";
+ size_t cbWritten = 0;
+ while (cbWritten < sizeof(szTestBuf))
+ {
+ size_t cbWrittenPart;
+ rc = RTFileWrite(File, &szTestBuf[cbWritten], sizeof(szTestBuf) - cbWritten, &cbWrittenPart);
+ if (RT_FAILURE(rc))
+ break;
+ cbWritten += cbWrittenPart;
+ }
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to write to file #1 at offset 0. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ /* check that it was written correctly. */
+ rc = RTFileSeek(File, 0, RTFILE_SEEK_BEGIN, NULL);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to seek offset 0 in file #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ char szReadBuf[sizeof(szTestBuf)];
+ size_t cbRead = 0;
+ while (cbRead < sizeof(szTestBuf))
+ {
+ size_t cbReadPart;
+ rc = RTFileRead(File, &szReadBuf[cbRead], sizeof(szTestBuf) - cbRead, &cbReadPart);
+ if (RT_FAILURE(rc))
+ break;
+ cbRead += cbReadPart;
+ }
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to read from file #1 at offset 0. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ if (!memcmp(szReadBuf, szTestBuf, sizeof(szTestBuf)))
+ RTPrintf("tstFile: head write ok\n");
+ else
+ {
+ RTPrintf("Data read from file #1 at offset 0 differs from what we wrote there.\n");
+ cErrors++;
+ }
+ }
+ }
+ }
+
+ /*
+ * Try some writes at the end of the file.
+ */
+ rc = RTFileSeek(File, _2G + _1M, RTFILE_SEEK_BEGIN, NULL);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to seek to _2G + _1M in file #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ offFile = RTFileTell(File);
+ if (offFile != _2G + _1M)
+ {
+ RTPrintf("RTFileTell -> %#llx, expected %#llx (#2)\n", offFile, _2G + _1M);
+ cErrors++;
+ }
+ else
+ {
+ cbWritten = 0;
+ while (cbWritten < sizeof(szTestBuf))
+ {
+ size_t cbWrittenPart;
+ rc = RTFileWrite(File, &szTestBuf[cbWritten], sizeof(szTestBuf) - cbWritten, &cbWrittenPart);
+ if (RT_FAILURE(rc))
+ break;
+ cbWritten += cbWrittenPart;
+ }
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to write to file #1 at offset 2G + 1M. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ rc = RTFileSeek(File, offFile, RTFILE_SEEK_BEGIN, NULL);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to seek offset %RX64 in file #1. rc=%Rrc\n", offFile, rc);
+ cErrors++;
+ }
+ else
+ {
+ char szReadBuf[sizeof(szTestBuf)];
+ size_t cbRead = 0;
+ while (cbRead < sizeof(szTestBuf))
+ {
+ size_t cbReadPart;
+ rc = RTFileRead(File, &szReadBuf[cbRead], sizeof(szTestBuf) - cbRead, &cbReadPart);
+ if (RT_FAILURE(rc))
+ break;
+ cbRead += cbReadPart;
+ }
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to read from file #1 at offset 2G + 1M. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ if (!memcmp(szReadBuf, szTestBuf, sizeof(szTestBuf)))
+ RTPrintf("tstFile: tail write ok\n");
+ else
+ {
+ RTPrintf("Data read from file #1 at offset 2G + 1M differs from what we wrote there.\n");
+ cErrors++;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ /*
+ * Some general seeking around.
+ */
+ rc = RTFileSeek(File, _2G + 1, RTFILE_SEEK_BEGIN, NULL);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to seek to _2G + 1 in file #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ offFile = RTFileTell(File);
+ if (offFile != _2G + 1)
+ {
+ RTPrintf("RTFileTell -> %#llx, expected %#llx (#3)\n", offFile, _2G + 1);
+ cErrors++;
+ }
+ }
+
+ /* seek end */
+ rc = RTFileSeek(File, 0, RTFILE_SEEK_END, NULL);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to seek to end of file #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ offFile = RTFileTell(File);
+ if (offFile != _2G + _1M + sizeof(szTestBuf)) /* assuming tail write was ok. */
+ {
+ RTPrintf("RTFileTell -> %#RX64, expected %#RX64 (#4)\n", offFile, _2G + _1M + sizeof(szTestBuf));
+ cErrors++;
+ }
+ }
+
+ /* seek start */
+ rc = RTFileSeek(File, 0, RTFILE_SEEK_BEGIN, NULL);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to seek to end of file #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ else
+ {
+ offFile = RTFileTell(File);
+ if (offFile != 0)
+ {
+ RTPrintf("RTFileTell -> %#llx, expected 0 (#5)\n", offFile);
+ cErrors++;
+ }
+ }
+ }
+
+
+ /*
+ * Cleanup.
+ */
+ rc = RTFileClose(File);
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to close file #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+ rc = RTFileDelete("tstFile#1.tst");
+ if (RT_FAILURE(rc))
+ {
+ RTPrintf("Failed to delete file #1. rc=%Rrc\n", rc);
+ cErrors++;
+ }
+
+ /*
+ * Summary
+ */
+ if (cErrors == 0)
+ RTPrintf("tstFile: SUCCESS\n");
+ else
+ RTPrintf("tstFile: FAILURE - %d errors\n", cErrors);
+ return !!cErrors;
+}
+
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