Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

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

1 files changed, 1202 insertions, 0 deletions

diff --git a/src/VBox/Runtime/testcase/tstRTPath.cpp b/src/VBox/Runtime/testcase/tstRTPath.cpp
new file mode 100644
index 00000000..6382304f
--- /dev/null
+++ b/src/VBox/Runtime/testcase/tstRTPath.cpp
@@ -0,0 +1,1202 @@
+/* $Id: tstRTPath.cpp $ */
+/** @file
+ * IPRT Testcase - Test various path functions.
+ */
+
+/*
+ * Copyright (C) 2006-2023 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/path.h>
+
+#include <iprt/err.h>
+#include <iprt/initterm.h>
+#include <iprt/param.h>
+#include <iprt/process.h>
+#include <iprt/stream.h>
+#include <iprt/string.h>
+#include <iprt/test.h>
+
+
+static void testParserAndSplitter(RTTEST hTest)
+{
+    static struct
+    {
+        uint16_t    cComps;
+        uint16_t    cchPath;
+        uint16_t    offSuffix;
+        int16_t     offName;    /**< RTPathParseSimple */
+        uint16_t    cchDir;     /**< RTPathParseSimple */
+        const char *pszPath;
+        uint16_t    fProps;
+        uint32_t    fFlags;
+    } const s_aTests[] =
+    {
+        { 2,  5,  5,  -1,  4, "/bin/",            RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_DIR_SLASH,                                                RTPATH_STR_F_STYLE_UNIX },
+        { 2, 13,  9,   3,  3, "C:/Config.sys",    RTPATH_PROP_VOLUME | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_SUFFIX,       RTPATH_STR_F_STYLE_DOS },
+        { 2, 13, 10,   4,  4, "C://Config.sys",   RTPATH_PROP_VOLUME | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_SUFFIX | RTPATH_PROP_EXTRA_SLASHES, RTPATH_STR_F_STYLE_DOS },
+        { 2, 12,  8,   2,  2, "C:Config.sys",     RTPATH_PROP_VOLUME | RTPATH_PROP_RELATIVE | RTPATH_PROP_FILENAME | RTPATH_PROP_SUFFIX,                                RTPATH_STR_F_STYLE_DOS },
+        { 1, 10,  6,   0,  0, "Config.sys",       RTPATH_PROP_RELATIVE | RTPATH_PROP_FILENAME | RTPATH_PROP_SUFFIX,                                                     RTPATH_STR_F_STYLE_DOS },
+        { 3, 15, 11,   7,  6, "C:/Win/file.ext",  RTPATH_PROP_VOLUME | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_SUFFIX ,      RTPATH_STR_F_STYLE_DOS },
+        { 1,  4,  4,  -1,  4, "//./",             RTPATH_PROP_UNC | RTPATH_PROP_SPECIAL_UNC | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE,                                                      RTPATH_STR_F_STYLE_DOS },
+        { 2,  5,  5,   4,  4, "//./f",            RTPATH_PROP_UNC | RTPATH_PROP_SPECIAL_UNC | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                               RTPATH_STR_F_STYLE_DOS },
+        { 2,  5,  6,   5,  5, "//.//f",           RTPATH_PROP_UNC | RTPATH_PROP_SPECIAL_UNC | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_EXTRA_SLASHES,   RTPATH_STR_F_STYLE_DOS },
+        { 3,  7,  7,   6,  5, "//././f",          RTPATH_PROP_UNC | RTPATH_PROP_SPECIAL_UNC | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_DOT_REFS,        RTPATH_STR_F_STYLE_DOS },
+        { 3,  8,  8,   7,  6, "//.././f",         RTPATH_PROP_UNC | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_DOT_REFS,        RTPATH_STR_F_STYLE_DOS },
+        { 3,  9,  9,   8,  7, "//../../f",        RTPATH_PROP_UNC | RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_RELATIVE | RTPATH_PROP_FILENAME | RTPATH_PROP_DOTDOT_REFS,     RTPATH_STR_F_STYLE_DOS },
+        { 1,  1,  1,  -1,  1, "/",                RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE,                                                                        RTPATH_STR_F_STYLE_UNIX },
+        { 2,  4,  4,   1,  1, "/bin",             RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 2,  5,  5,  -1,  4, "/bin/",            RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_DIR_SLASH,                                                RTPATH_STR_F_STYLE_UNIX },
+        { 3,  7,  7,   5,  4, "/bin/ls",          RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 3,  12, 7,   5,  4, "/etc/rc.conf",     RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_SUFFIX,                            RTPATH_STR_F_STYLE_UNIX },
+        { 1,  1,  2,  -1,  2, "//",               RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_EXTRA_SLASHES,                                            RTPATH_STR_F_STYLE_UNIX },
+        { 1,  1,  3,  -1,  3, "///",              RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_EXTRA_SLASHES,                                            RTPATH_STR_F_STYLE_UNIX },
+        { 3,  6,  7,   4,  2, "/.//bin",          RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_EXTRA_SLASHES | RTPATH_PROP_DOT_REFS | RTPATH_PROP_FILENAME, RTPATH_STR_F_STYLE_UNIX },
+        { 1,  3,  3,   0,  0, "bin",              RTPATH_PROP_RELATIVE | RTPATH_PROP_FILENAME,                                                                          RTPATH_STR_F_STYLE_UNIX },
+        { 1,  4,  4,  -1,  3, "bin/",             RTPATH_PROP_RELATIVE | RTPATH_PROP_DIR_SLASH,                                                                         RTPATH_STR_F_STYLE_UNIX },
+        { 1,  4,  7,  -1,  3, "bin////",          RTPATH_PROP_RELATIVE | RTPATH_PROP_DIR_SLASH | RTPATH_PROP_EXTRA_SLASHES,                                             RTPATH_STR_F_STYLE_UNIX },
+        { 3, 10, 10,   7,  6, "bin/../usr",       RTPATH_PROP_RELATIVE | RTPATH_PROP_DOTDOT_REFS | RTPATH_PROP_FILENAME,                                                RTPATH_STR_F_STYLE_UNIX },
+        { 4, 11, 11,   8,  7, "/bin/../usr",      RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_RELATIVE | RTPATH_PROP_DOTDOT_REFS | RTPATH_PROP_FILENAME,                       RTPATH_STR_F_STYLE_UNIX },
+        { 4,  8,  8,   7,  6, "/a/.../u",         RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 4,  8,  8,   7,  6, "/a/.b./u",         RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 4,  8,  8,   7,  6, "/a/..c/u",         RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 4,  8,  8,   7,  6, "/a/d../u",         RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 4,  8,  8,   6,  5, "/a/.e/.u",         RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 4,  8,  8,   6,  5, "/a/.f/.u",         RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 4, 11,  7,   6,  5, "/a/.f/u.ext",      RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME | RTPATH_PROP_SUFFIX,                            RTPATH_STR_F_STYLE_UNIX },
+        { 4,  8,  8,   6,  5, "/a/.g/u.",         RTPATH_PROP_ROOT_SLASH | RTPATH_PROP_ABSOLUTE | RTPATH_PROP_FILENAME,                                                 RTPATH_STR_F_STYLE_UNIX },
+        { 3,  9, 10,   5,  4, "/a/h/u.ext",       RTPATH_PROP_EXTRA_SLASHES | RTPATH_PROP_RELATIVE,                                                                     RTPATH_STR_F_STYLE_UNIX | RTPATH_STR_F_MIDDLE },
+        { 3,  9,  9,   5,  3, "a/h/u.ext",        RTPATH_PROP_RELATIVE,                                                                                                 RTPATH_STR_F_STYLE_UNIX | RTPATH_STR_F_MIDDLE },
+        { 3,  9, 10,  -1, 10, "a/h/u.ext/",       RTPATH_PROP_EXTRA_SLASHES | RTPATH_PROP_RELATIVE,                                                                     RTPATH_STR_F_STYLE_UNIX | RTPATH_STR_F_MIDDLE },
+    };
+
+    char szPath1[RTPATH_MAX];
+    union
+    {
+        RTPATHPARSED    Parsed;
+        RTPATHSPLIT     Split;
+        uint8_t         ab[4096];
+    } u;
+
+    RTTestSub(hTest, "RTPathParse");
+    for (uint32_t i = 0; i < RT_ELEMENTS(s_aTests); i++)
+    {
+        memset(&u, i & 1 ? 0xff : 0, sizeof(u));
+        int rc = RTPathParse(s_aTests[i].pszPath, &u.Parsed, sizeof(u), s_aTests[i].fFlags);
+        if (   rc != VINF_SUCCESS
+            || s_aTests[i].cComps    != u.Parsed.cComps
+            || s_aTests[i].fProps    != u.Parsed.fProps
+            || s_aTests[i].offSuffix != u.Parsed.offSuffix
+            || s_aTests[i].cchPath   != u.Parsed.cchPath)
+        {
+            RTTestFailed(hTest, "i=%d rc=%Rrc %s", i, rc, s_aTests[i].pszPath);
+            RTTestFailureDetails(hTest,
+                                 "  cComps    %u, got %u\n"
+                                 "  fProps    %#x, got %#x, xor=>%#x\n"
+                                 "  offSuffix %u, got %u\n"
+                                 "  cchPath   %u, got %u\n"
+                                 ,
+                                 s_aTests[i].cComps,    u.Parsed.cComps,
+                                 s_aTests[i].fProps,    u.Parsed.fProps, s_aTests[i].fProps ^ u.Parsed.fProps,
+                                 s_aTests[i].offSuffix, u.Parsed.offSuffix,
+                                 s_aTests[i].cchPath,   u.Parsed.cchPath);
+        }
+        else
+        {
+            rc = RTPathParsedReassemble(s_aTests[i].pszPath, &u.Parsed, s_aTests[i].fFlags & ~RTPATH_STR_F_MIDDLE,
+                                        szPath1, sizeof(szPath1));
+            if (rc == VINF_SUCCESS)
+            {
+                RTTESTI_CHECK_MSG(strlen(szPath1) == s_aTests[i].cchPath, ("%s\n", szPath1));
+                if (   !(u.Parsed.fProps & RTPATH_PROP_EXTRA_SLASHES)
+                    && (s_aTests[i].fFlags & RTPATH_STR_F_STYLE_MASK) != RTPATH_STR_F_STYLE_DOS)
+                    RTTESTI_CHECK_MSG(strcmp(szPath1, s_aTests[i].pszPath) == 0, ("%s\n", szPath1));
+            }
+            else
+                RTTestIFailed("RTPathParsedReassemble -> %Rrc", rc);
+        }
+    }
+
+    RTTestSub(hTest, "RTPathSplit");
+    for (uint32_t i = 0; i < RT_ELEMENTS(s_aTests); i++)
+    {
+        memset(&u, i & 1 ? 0xff : 0, sizeof(u));
+        int rc = RTPathSplit(s_aTests[i].pszPath, &u.Split, sizeof(u), s_aTests[i].fFlags);
+        if (   rc != VINF_SUCCESS
+            || s_aTests[i].cComps    != u.Split.cComps
+            || s_aTests[i].fProps    != u.Split.fProps
+            || s_aTests[i].cchPath   != u.Split.cchPath)
+        {
+            RTTestFailed(hTest, "i=%d rc=%Rrc %s", i, rc, s_aTests[i].pszPath);
+            RTTestFailureDetails(hTest,
+                                 "  cComps    %u, got %u\n"
+                                 "  fProps    %#x, got %#x, xor=>%#x\n"
+                                 "  cchPath   %u, got %u\n"
+                                 ,
+                                 s_aTests[i].cComps,    u.Split.cComps,
+                                 s_aTests[i].fProps,    u.Split.fProps, s_aTests[i].fProps ^ u.Split.fProps,
+                                 s_aTests[i].cchPath,   u.Split.cchPath);
+        }
+        else
+        {
+            RTTESTI_CHECK_MSG(*u.Split.pszSuffix == '\0' || *u.Split.pszSuffix == '.', ("%s", u.Split.pszSuffix));
+            for (uint32_t idxComp = RTPATH_PROP_HAS_ROOT_SPEC(u.Split.fProps); idxComp < u.Split.cComps; idxComp++)
+                if ( (s_aTests[i].fFlags & RTPATH_STR_F_STYLE_MASK) == RTPATH_STR_F_STYLE_DOS
+                    ? strpbrk(u.Split.apszComps[idxComp], "/\\")
+                    : strchr(u.Split.apszComps[idxComp], RTPATH_SLASH) )
+                    RTTestFailed(hTest, "i=%d idxComp=%d '%s'", i, idxComp, u.Split.apszComps[idxComp]);
+
+            PRTPATHSPLIT pSplit = NULL;
+            RTTESTI_CHECK_RC(rc = RTPathSplitA(s_aTests[i].pszPath, &pSplit, s_aTests[i].fFlags), VINF_SUCCESS);
+            if (RT_SUCCESS(rc))
+            {
+                RTTESTI_CHECK(pSplit);
+                RTTESTI_CHECK(pSplit->cComps   == u.Split.cComps);
+                RTTESTI_CHECK(pSplit->fProps   == u.Split.fProps);
+                RTTESTI_CHECK(pSplit->cchPath  == u.Split.cchPath);
+                RTTESTI_CHECK(pSplit->cbNeeded == u.Split.cbNeeded);
+                RTTESTI_CHECK(!strcmp(pSplit->pszSuffix, u.Split.pszSuffix));
+                for (uint32_t idxComp = 0; idxComp < u.Split.cComps; idxComp++)
+                    RTTESTI_CHECK(!strcmp(pSplit->apszComps[idxComp], u.Split.apszComps[idxComp]));
+                RTPathSplitFree(pSplit);
+            }
+
+            rc = RTPathSplitReassemble(&u.Split, s_aTests[i].fFlags & ~RTPATH_STR_F_MIDDLE, szPath1, sizeof(szPath1));
+            if (rc == VINF_SUCCESS)
+            {
+                RTTESTI_CHECK_MSG(strlen(szPath1) == s_aTests[i].cchPath, ("%s\n", szPath1));
+                if (   !(u.Parsed.fProps & RTPATH_PROP_EXTRA_SLASHES)
+                    && (s_aTests[i].fFlags & RTPATH_STR_F_STYLE_MASK) != RTPATH_STR_F_STYLE_DOS)
+                    RTTESTI_CHECK_MSG(strcmp(szPath1, s_aTests[i].pszPath) == 0, ("%s\n", szPath1));
+            }
+            else
+                RTTestIFailed("RTPathSplitReassemble -> %Rrc", rc);
+        }
+    }
+
+    RTTestSub(hTest, "RTPathParseSimple");
+    for (uint32_t i = 0; i < RT_ELEMENTS(s_aTests); i++)
+    {
+        if (   (s_aTests[i].fFlags & RTPATH_STR_F_STYLE_MASK) != RTPATH_STR_F_STYLE_HOST
+            && (s_aTests[i].fFlags & RTPATH_STR_F_STYLE_MASK) != RTPATH_STYLE)
+            continue;
+        if (s_aTests[i].fFlags & ~RTPATH_STR_F_STYLE_MASK)
+            continue;
+
+        size_t const cchPathIn = strlen(s_aTests[i].pszPath);
+        size_t  cchDir  = ~(size_t)1;
+        ssize_t offName = -97;
+        ssize_t offSuff = -99;
+        size_t  cchPath = RTPathParseSimple(s_aTests[i].pszPath, &cchDir, &offName, &offSuff);
+        if (   cchPath != cchPathIn
+            || offSuff != (s_aTests[i].offSuffix >= cchPathIn ? -1 : s_aTests[i].offSuffix)
+            || offName != s_aTests[i].offName
+            || cchDir  != s_aTests[i].cchDir)
+        {
+            RTTestFailed(hTest, "i=%u %s", i, s_aTests[i].pszPath);
+            RTTestFailureDetails(hTest,
+                                 "  cchPath   %zu, got %zu\n"
+                                 "  cchDir    %u, got %zu\n"
+                                 "  offName   %d, got %zd\n"
+                                 "  offSuff   %d, got %zd\n"
+                                 ,
+                                 cchPathIn, cchPath,
+                                 s_aTests[i].cchDir, cchDir,
+                                 s_aTests[i].offName, offName,
+                                 (s_aTests[i].offSuffix >= cchPathIn ? -1 : s_aTests[i].offSuffix), offSuff);
+        }
+    }
+}
+
+
+static void testParentLength(RTTEST hTest)
+{
+    static struct
+    {
+        const char *pszPath;
+        uint32_t    cchNonParent;
+        uint32_t    fFlags;
+    } const s_aTests[] =
+    {
+        { "/usr/bin", 3,                 RTPATH_STR_F_STYLE_UNIX },
+        { "/usr/bin", 3,                 RTPATH_STR_F_STYLE_DOS },
+        { "\\usr\\bin", 3,               RTPATH_STR_F_STYLE_DOS },
+        { "/usr/bin/", 4,                RTPATH_STR_F_STYLE_UNIX },
+        { "/usr/bin/", 4,                RTPATH_STR_F_STYLE_DOS },
+        { "\\usr\\bin\\", 4,             RTPATH_STR_F_STYLE_DOS },
+        { "A:\\usr\\bin\\", 4,           RTPATH_STR_F_STYLE_DOS },
+        { "/bin",  3,                    RTPATH_STR_F_STYLE_UNIX },
+        { "/bin",  3,                    RTPATH_STR_F_STYLE_DOS },
+        { "\\bin",  3,                   RTPATH_STR_F_STYLE_DOS },
+        { "A:\\bin",  3,                 RTPATH_STR_F_STYLE_DOS },
+        { "A:/bin",  3,                  RTPATH_STR_F_STYLE_DOS },
+        { "A:bin",  3,                   RTPATH_STR_F_STYLE_DOS },
+        { "/bin/", 4,                    RTPATH_STR_F_STYLE_UNIX },
+        { "/bin/", 4,                    RTPATH_STR_F_STYLE_DOS },
+        { "A:\\bin\\", 4,                RTPATH_STR_F_STYLE_DOS },
+        { "A:/bin\\", 4,                 RTPATH_STR_F_STYLE_DOS },
+        { "A:bin\\", 4,                  RTPATH_STR_F_STYLE_DOS },
+        { "/", 0,                        RTPATH_STR_F_STYLE_UNIX },
+        { "/", 0,                        RTPATH_STR_F_STYLE_DOS },
+        { "\\", 0,                       RTPATH_STR_F_STYLE_DOS },
+        { "A:\\", 0,                     RTPATH_STR_F_STYLE_DOS },
+        { "A:", 0,                       RTPATH_STR_F_STYLE_DOS },
+        { "bin", 3,                      RTPATH_STR_F_STYLE_UNIX },
+        { "bin", 3,                      RTPATH_STR_F_STYLE_DOS },
+        { "//unc/bin/bin", 3,            RTPATH_STR_F_STYLE_DOS },
+        { "//unc/bin/bin/", 4,           RTPATH_STR_F_STYLE_DOS },
+        { "//unc/bin", 3,                RTPATH_STR_F_STYLE_DOS },
+        { "//unc/bin/", 4,               RTPATH_STR_F_STYLE_DOS },
+        { "//unc/", 0,                   RTPATH_STR_F_STYLE_DOS },
+        { "//unc", 0,                    RTPATH_STR_F_STYLE_DOS },
+    };
+
+    RTTestSub(hTest, "RTPathParentLength");
+    for (uint32_t i = 0; i < RT_ELEMENTS(s_aTests); i++)
+    {
+        size_t const cchParent = RTPathParentLengthEx(s_aTests[i].pszPath, s_aTests[i].fFlags);
+        size_t const cchExpected = strlen(s_aTests[i].pszPath) - s_aTests[i].cchNonParent;
+        if (cchParent != cchExpected)
+            RTTestFailed(hTest, "sub-test #%u: got %u, expected %u (%s)",
+                         i, cchParent, cchExpected, s_aTests[i].pszPath);
+        if (s_aTests[i].fFlags == RTPATH_STYLE)
+        {
+            size_t const cchParent2 = RTPathParentLength(s_aTests[i].pszPath);
+            if (cchParent2 != cchExpected)
+                RTTestFailed(hTest, "sub-test #%u: RTPathParentLength returned %u, expected %u (%s)",
+                             i, cchParent2, cchExpected, s_aTests[i].pszPath);
+        }
+    }
+}
+
+
+static void testPurgeFilename(RTTEST hTest)
+{
+    static struct
+    {
+        const char *pszIn, *pszOut;
+        uint32_t    fFlags;
+    } const s_aTests[] =
+    {
+        { "start///end",            "start___end",      RTPATH_STR_F_STYLE_UNIX },
+        { "start///end",            "start___end",      RTPATH_STR_F_STYLE_DOS },
+        { "start///end",            "start___end",      RTPATH_STR_F_STYLE_HOST },
+        { "1:<>\\9",                "1:<>\\9",          RTPATH_STR_F_STYLE_UNIX },
+        { "1:<>\\9",                "1____9",           RTPATH_STR_F_STYLE_DOS },
+        { "\t\r\n",                 "\t\r\n",           RTPATH_STR_F_STYLE_UNIX },
+        { "\t\r\n",                 "___",              RTPATH_STR_F_STYLE_DOS },
+    };
+    RTTestSub(hTest, "RTPathPurgeFilename");
+    for (uint32_t i = 0; i < RT_ELEMENTS(s_aTests); i++)
+    {
+        char szPath[RTPATH_MAX];
+        strcpy(szPath, s_aTests[i].pszIn);
+        char *pszRet = RTPathPurgeFilename(szPath, s_aTests[i].fFlags);
+        RTTEST_CHECK(hTest, pszRet == &szPath[0]);
+        if (strcmp(szPath, s_aTests[i].pszOut) != 0)
+            RTTestFailed(hTest, "sub-test #%u: got '%s', expected '%s' (style %#x)",
+                         i, szPath, s_aTests[i].pszOut, s_aTests[i].fFlags);
+    }
+}
+
+
+static void testEnsureTrailingSeparator(RTTEST hTest)
+{
+    static struct
+    {
+        const char *pszIn, *pszOut;
+        uint32_t    fFlags;
+    } const s_aTests[] =
+    {
+        { "/foo",                   "/foo/",                RTPATH_STR_F_STYLE_UNIX },
+        { "/foo\\",                 "/foo\\/",              RTPATH_STR_F_STYLE_UNIX },
+        { "/foo:",                  "/foo:/",               RTPATH_STR_F_STYLE_UNIX },
+        { "/foo/",                  "/foo/",                RTPATH_STR_F_STYLE_UNIX },
+        { "D:/foo",                 "D:/foo\\",             RTPATH_STR_F_STYLE_DOS },
+        { "D:/foo\\",               "D:/foo\\",             RTPATH_STR_F_STYLE_DOS },
+        { "",                       "./",                   RTPATH_STR_F_STYLE_UNIX},
+        { "",                       ".\\",                  RTPATH_STR_F_STYLE_DOS },
+        { "",                       "." RTPATH_SLASH_STR,   RTPATH_STR_F_STYLE_HOST },
+        { ".",                      "." RTPATH_SLASH_STR,   RTPATH_STR_F_STYLE_HOST },
+        { "x",                      "x" RTPATH_SLASH_STR,   RTPATH_STR_F_STYLE_HOST },
+        { "y" RTPATH_SLASH_STR,     "y" RTPATH_SLASH_STR,   RTPATH_STR_F_STYLE_HOST },
+    };
+    RTTestSub(hTest, "RTPathEnsureTrailingSeparatorEx");
+    for (uint32_t i = 0; i < RT_ELEMENTS(s_aTests); i++)
+    {
+        char szPath[RTPATH_MAX];
+        strcpy(szPath, s_aTests[i].pszIn);
+        size_t cchRet = RTPathEnsureTrailingSeparatorEx(szPath, sizeof(szPath), s_aTests[i].fFlags);
+        RTTEST_CHECK(hTest, cchRet == strlen(s_aTests[i].pszOut));
+        if (strcmp(szPath, s_aTests[i].pszOut) != 0)
+            RTTestFailed(hTest, "sub-test #%u: got '%s', expected '%s' (style %#x)",
+                         i, szPath, s_aTests[i].pszOut, s_aTests[i].fFlags);
+    }
+}
+
+
+static void testFindCommon(RTTEST hTest)
+{
+    RTTestSub(hTest, "RTPathFindCommon");
+
+    static struct
+    {
+        char const *apszPaths[4];
+        uint32_t    fFlags;
+        char const *pszCommon;
+    } const aTests[] =
+    {
+        /* Simple stuff first. */
+        { { "",                     "",                 "",                     NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "" },
+        { { "",                     "",                 "",                     NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "none",                 "none",             "",                     NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "" },
+        { { "none",                 "none",             "",                     NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "same",                 "same",             "same",                 "same", },          RTPATH_STR_F_STYLE_UNIX,
+            "same" },
+        { { "same",                 "same",             "same",                 "same", },          RTPATH_STR_F_STYLE_DOS,
+            "same" },
+        /* More complicated. */
+        { { "/path/to/stuff1",      "path/to/stuff2",   NULL,                   NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "" },
+        { { "/path/to/stuff1",      "/path/to/stuff2",  "/path/to/stuff3",      NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "/path/to/" },
+        { { "/path/to/stuff1",      "/path/to/",        "/path/",               NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "/path/" },
+        { { "/path/to/stuff1",      "/",                "/path/",               NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "/" },
+        { { "/path/to/../stuff1",   "./../",            "/path/to/stuff2/..",   NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "" },
+        { { "a/single/path",        NULL,               NULL,                   NULL, },            RTPATH_STR_F_STYLE_UNIX,
+            "a/single/path" },
+        { { "a/single\\path",       NULL,               NULL,                   NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "a/single\\path" },
+        { { "C:\\Windows",          NULL,               NULL,                   NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "C:\\Windows" },
+        { { "c:/windows",           "c:\\program files", "C:\\AppData",         NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "c:/" },
+        { { "c:/windows",           "c:windows",        "C:system32",           NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "c:" },
+        { { "c:/windows",           "d:windows",        "e:windows",            NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "//usr/bin/env",        "/usr//bin/env",   "/usr/bin///env",        "/usr/bin/env", },  RTPATH_STR_F_STYLE_UNIX,
+            "//usr/bin/env" },
+        { { "//usr/bin/env",        "/usr//./././bin/env", "/usr/bin///env",    "/usr/bin/env", },  RTPATH_STR_F_STYLE_UNIX,
+            "//usr/bin/env" },
+        { { "//./what/ever",        "\\\\.\\what\\is\\up", "\\\\.\\\\what\\is\\up", NULL, },        RTPATH_STR_F_STYLE_DOS,
+            "//./what/" },
+        { { "//./unc/is/weird",     "///./unc/is/weird", NULL,                  NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "//system360/share",    "//system370/share", "//system390/share",   NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "//system370/share1",   "//sysTEM370/share2", "//SYsTeM370/share3", NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "//system370/" },
+        { { "//system370/share1",   "Z:/",              NULL,                   NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "//system370/share1",   "/",                NULL,                   NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "//system370/share1",   "somedir",          NULL,                   NULL, },            RTPATH_STR_F_STYLE_DOS,
+            "" },
+        { { "/path/to/stuff1",      "path/to/stuff2",   NULL,                   NULL, },            RTPATH_STR_F_STYLE_UNIX | RTPATH_STR_F_NO_START,
+            "/path/to/" },
+        { { "path/to/stuff1",       "//path\\/to\\stuff2", NULL,                NULL, },            RTPATH_STR_F_STYLE_DOS | RTPATH_STR_F_NO_START,
+            "path/to/" },
+        /* '..' elements are not supported for now and leads to zero return, unless RTPATHFINDCOMMON_F_IGNORE_DOTDOT is given. */
+        { { "/usr/bin/env",         "/usr/../usr/bin/env", "/usr/bin/../bin/env", NULL, },          RTPATH_STR_F_STYLE_UNIX,
+            "" },
+        { { "/lib/",                "/lib/amd64/../lib.so", "/lib/i386/../libdl.so", NULL, },       RTPATH_STR_F_STYLE_UNIX,
+            "" },
+        { { "/lib/",                "/lib/amd64/../lib.so", "/lib/i386/../libdl.so", NULL, },       RTPATH_STR_F_STYLE_UNIX | RTPATHFINDCOMMON_F_IGNORE_DOTDOT,
+            "/lib/" },
+    };
+
+    for (size_t i = 0; i < RT_ELEMENTS(aTests); i++)
+    {
+        size_t cPaths = RT_ELEMENTS(aTests[i].apszPaths);
+        while (cPaths > 0 && aTests[i].apszPaths[cPaths - 1] == NULL)
+            cPaths--;
+
+        size_t const cchCommon = RTPathFindCommonEx(cPaths, aTests[i].apszPaths, aTests[i].fFlags);
+        size_t const cchExpect = strlen(aTests[i].pszCommon);
+        if (cchCommon != cchExpect)
+            RTTestFailed(hTest,
+                         "Test %zu failed: got %zu, expected %zu (cPaths=%zu: '%s' '%s' '%s' '%s', fFlags=%#x)", i, cchCommon,
+                         cchExpect, cPaths, aTests[i].apszPaths[0], aTests[i].apszPaths[1], aTests[i].apszPaths[2],
+                         aTests[i].apszPaths[3], aTests[i].fFlags);
+    }
+}
+
+
+int main()
+{
+    char szPath[RTPATH_MAX];
+
+    /*
+     * Init RT+Test.
+     */
+    RTTEST hTest;
+    int rc = RTTestInitAndCreate("tstRTPath", &hTest);
+    if (rc)
+        return rc;
+    RTTestBanner(hTest);
+
+    RTTestSub(hTest, "Environment");
+#if defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
+    RTTESTI_CHECK(RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS);
+# if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS
+# else
+    RTTestIFailed("#if RTPATH_STYLE == RTPATH_STR_F_STYLE_DOS");
+# endif
+    RTTESTI_CHECK(strcmp(RTPATH_SLASH_STR, "\\") == 0);
+    RTTESTI_CHECK(RTPATH_SLASH == '\\');
+    RTTESTI_CHECK(RTPATH_IS_SEP('/'));
+    RTTESTI_CHECK(RTPATH_IS_SEP('\\'));
+    RTTESTI_CHECK(RTPATH_IS_SEP(':'));
+
+#else
+    RTTESTI_CHECK(RTPATH_STYLE == RTPATH_STR_F_STYLE_UNIX);
+# if RTPATH_STYLE == RTPATH_STR_F_STYLE_UNIX
+# else
+    RTTestIFailed("#if RTPATH_STYLE == RTPATH_STR_F_STYLE_UNIX");
+# endif
+    RTTESTI_CHECK(strcmp(RTPATH_SLASH_STR, "/") == 0);
+    RTTESTI_CHECK(RTPATH_SLASH == '/');
+    RTTESTI_CHECK(RTPATH_IS_SEP('/'));
+    RTTESTI_CHECK(!RTPATH_IS_SEP('\\'));
+    RTTESTI_CHECK(!RTPATH_IS_SEP(':'));
+#endif
+
+    /*
+     * RTPathExecDir, RTPathUserHome and RTProcGetExecutablePath.
+     */
+    RTTestSub(hTest, "RTPathExecDir");
+    RTTESTI_CHECK_RC(rc = RTPathExecDir(szPath, sizeof(szPath)), VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+        RTTestIPrintf(RTTESTLVL_INFO, "ExecDir={%s}\n", szPath);
+
+    RTTestSub(hTest, "RTProcGetExecutablePath");
+    if (RTProcGetExecutablePath(szPath, sizeof(szPath)) == szPath)
+        RTTestIPrintf(RTTESTLVL_INFO, "ExecutableName={%s}\n", szPath);
+    else
+        RTTestIFailed("RTProcGetExecutablePath -> NULL");
+
+    RTTestSub(hTest, "RTPathUserHome");
+    RTTESTI_CHECK_RC(rc = RTPathUserHome(szPath, sizeof(szPath)), VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+        RTTestIPrintf(RTTESTLVL_INFO, "UserHome={%s}\n", szPath);
+
+    RTTestSub(hTest, "RTPathUserDocuments");
+    RTTESTI_CHECK_RC(rc = RTPathUserDocuments(szPath, sizeof(szPath)), VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+        RTTestIPrintf(RTTESTLVL_INFO, "UserDocuments={%s}\n", szPath);
+
+    RTTestSub(hTest, "RTPathTemp");
+    RTTESTI_CHECK_RC(rc = RTPathTemp(szPath, sizeof(szPath)), VINF_SUCCESS);
+    if (RT_SUCCESS(rc))
+        RTTestIPrintf(RTTESTLVL_INFO, "PathTemp={%s}\n", szPath);
+    size_t cch = strlen(szPath);
+    RTTESTI_CHECK_RC(RTPathTemp(szPath, cch), VERR_BUFFER_OVERFLOW);
+    RTTESTI_CHECK_RC(RTPathTemp(szPath, cch+1), VINF_SUCCESS);
+    RTTESTI_CHECK_RC(RTPathTemp(szPath, cch+2), VINF_SUCCESS);
+
+
+    /*
+     * RTPathAbsEx.
+     */
+    RTTestSub(hTest, "RTPathAbsEx");
+    static const struct
+    {
+        uint32_t    fFlags;
+        const char *pcszInputBase;
+        const char *pcszInputPath;
+        int rc;
+        const char *pcszOutput;
+    }
+    s_aRTPathAbsExTests[] =
+    {
+        { RTPATH_STR_F_STYLE_HOST,  NULL, "", VERR_PATH_ZERO_LENGTH, NULL },
+        { RTPATH_STR_F_STYLE_HOST,  NULL, ".", VINF_SUCCESS, "%p" },
+#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\", VINF_SUCCESS, "%d\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\..", VINF_SUCCESS, "%d\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "/absolute/..", VINF_SUCCESS, "%d\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "/absolute\\\\../..", VINF_SUCCESS, "%d\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "/absolute//../path\\", VINF_SUCCESS, "%d\\path\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "/absolute/../../path", VINF_SUCCESS, "%d\\path" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "relative/../dir\\.\\.\\.\\file.txt", VINF_SUCCESS, "%p\\dir\\file.txt" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\data\\", VINF_SUCCESS, "%d\\data\\" },
+        { RTPATH_STR_F_STYLE_DOS,   "relative_base/dir\\", "\\from_root", VINF_SUCCESS, "%d\\from_root" },
+        { RTPATH_STR_F_STYLE_DOS,   "relative_base/dir/", "relative_also", VINF_SUCCESS, "%p\\relative_base\\dir\\relative_also" },
+#else
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, ".", VINF_SUCCESS, "%p" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "relative/../dir/./././file.txt", VINF_SUCCESS, "%p/dir/file.txt" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "relative/../dir\\.\\.\\.\\file.txt", VINF_SUCCESS, "%p/dir\\.\\.\\.\\file.txt" },  /* linux-specific */
+        { RTPATH_STR_F_STYLE_UNIX,  "relative_base/dir/", "/from_root", VINF_SUCCESS, "/from_root" },
+        { RTPATH_STR_F_STYLE_UNIX,  "relative_base/dir/", "relative_also", VINF_SUCCESS, "%p/relative_base/dir/relative_also" },
+#endif
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "/", VINF_SUCCESS, "/" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "/..", VINF_SUCCESS, "/" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "/absolute/..", VINF_SUCCESS, "/" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "/absolute\\\\../..", VINF_SUCCESS, "/" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "/absolute//../path/", VINF_SUCCESS, "/path/" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "/absolute/../../path", VINF_SUCCESS, "/path" },
+        { RTPATH_STR_F_STYLE_UNIX,  NULL, "/data/", VINF_SUCCESS, "/data/" },
+#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "C:\\", VINF_SUCCESS, "C:\\" },
+        { RTPATH_STR_F_STYLE_DOS,   "C:\\", "..", VINF_SUCCESS, "C:\\" },
+        { RTPATH_STR_F_STYLE_DOS,   "C:\\temp", "..", VINF_SUCCESS, "C:\\" },
+        { RTPATH_STR_F_STYLE_DOS,   "C:\\VirtualBox/Machines", "..\\VirtualBox.xml", VINF_SUCCESS, "C:\\VirtualBox\\VirtualBox.xml" },
+        { RTPATH_STR_F_STYLE_DOS,   "C:\\MustDie", "\\from_root/dir/..", VINF_SUCCESS, "C:\\from_root" },
+        { RTPATH_STR_F_STYLE_DOS,   "C:\\temp", "D:\\data", VINF_SUCCESS, "D:\\data" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\\\server\\..\\share", VINF_SUCCESS, "\\\\server\\..\\share" /* kind of strange */ },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\\\server/", VINF_SUCCESS, "\\\\server\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\\\", VINF_SUCCESS, "\\\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\\\\\something", VINF_SUCCESS, "\\\\\\something" /* kind of strange */ },
+        { RTPATH_STR_F_STYLE_DOS,   "\\\\server\\share_as_base", "/from_root", VINF_SUCCESS, "\\\\server\\share_as_base\\from_root" },
+        { RTPATH_STR_F_STYLE_DOS,   "\\\\just_server", "/from_root", VINF_SUCCESS, "\\\\just_server\\from_root" },
+        { RTPATH_STR_F_STYLE_DOS,   "\\\\server\\share_as_base", "relative\\data", VINF_SUCCESS, "\\\\server\\share_as_base\\relative\\data" },
+        { RTPATH_STR_F_STYLE_DOS,   "base", "\\\\?\\UNC\\relative/edwef/..", VINF_SUCCESS, "\\\\?\\UNC\\relative" },
+        { RTPATH_STR_F_STYLE_DOS,   "\\\\?\\UNC\\base", "/from_root", VINF_SUCCESS, "\\\\?\\from_root" },
+        { RTPATH_STR_F_STYLE_DOS,   "\\\\?\\UNC\\base", "./..", VINF_SUCCESS, "\\\\?\\UNC" },
+        { RTPATH_STR_F_STYLE_DOS | RTPATHABS_F_STOP_AT_BASE, "\\\\?\\UNC\\base", "./..", VINF_SUCCESS, "\\\\?\\UNC\\base" },
+        { RTPATH_STR_F_STYLE_DOS | RTPATHABS_F_STOP_AT_BASE, "\\\\?\\UNC\\base", "/..", VINF_SUCCESS, "\\\\?\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\\\.\\asdf\\..", VINF_SUCCESS, "\\\\.\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\\\?\\asdf\\..", VINF_SUCCESS, "\\\\?\\" },
+        { RTPATH_STR_F_STYLE_DOS,   NULL, "\\\\x\\asdf\\..", VINF_SUCCESS, "\\\\x\\asdf" },
+#else
+        { RTPATH_STR_F_STYLE_UNIX,  "\\temp", "\\data", VINF_SUCCESS, "%p/\\temp/\\data" },
+#endif
+        { RTPATH_STR_F_STYLE_UNIX,  "/VirtualBox/Machines", "../VirtualBox.xml", VINF_SUCCESS, "/VirtualBox/VirtualBox.xml" },
+        { RTPATH_STR_F_STYLE_UNIX,  "/MustDie", "/from_root/dir/..", VINF_SUCCESS, "/from_root" },
+        { RTPATH_STR_F_STYLE_UNIX,  "/temp", "..", VINF_SUCCESS, "/" },
+    };
+
+    char *pszGuardedBuf = NULL;
+    rc = RTTestGuardedAlloc(hTest, RTPATH_MAX, 0, false /*fHead*/, (void **)&pszGuardedBuf);
+    if (RT_FAILURE(rc))
+        pszGuardedBuf = szPath;
+
+    for (unsigned i = 0; i < RT_ELEMENTS(s_aRTPathAbsExTests); ++ i)
+    {
+        if (RT_FAILURE(s_aRTPathAbsExTests[i].rc))
+            RTTestDisableAssertions(hTest);
+
+        size_t cbAbsPath = sizeof(szPath);
+        rc = RTPathAbsEx(s_aRTPathAbsExTests[i].pcszInputBase,
+                         s_aRTPathAbsExTests[i].pcszInputPath,
+                         s_aRTPathAbsExTests[i].fFlags,
+                         szPath, &cbAbsPath);
+
+        if (RT_FAILURE(s_aRTPathAbsExTests[i].rc))
+            RTTestRestoreAssertions(hTest);
+
+        if (rc != s_aRTPathAbsExTests[i].rc)
+        {
+            RTTestIFailed("#%u: unexpected result code!\n"
+                          "        flags: %#x\n"
+                          "   input base: '%s'\n"
+                          "   input path: '%s'\n"
+                          "       output: '%s'\n"
+                          "           rc: %Rrc\n"
+                          "  expected rc: %Rrc",
+                          i,
+                          s_aRTPathAbsExTests[i].fFlags,
+                          s_aRTPathAbsExTests[i].pcszInputBase,
+                          s_aRTPathAbsExTests[i].pcszInputPath,
+                          szPath, rc,
+                          s_aRTPathAbsExTests[i].rc);
+            continue;
+        }
+
+        char szTmp[RTPATH_MAX];
+        char *pszExpected = NULL;
+        if (s_aRTPathAbsExTests[i].pcszOutput != NULL)
+        {
+            if (s_aRTPathAbsExTests[i].pcszOutput[0] == '%')
+            {
+                RTTESTI_CHECK_RC(rc = RTPathGetCurrent(szTmp, sizeof(szTmp)), VINF_SUCCESS);
+                if (RT_FAILURE(rc))
+                    break;
+
+                pszExpected = szTmp;
+
+                if (s_aRTPathAbsExTests[i].pcszOutput[1] == 'p')
+                {
+                    cch = strlen(szTmp);
+                    if (cch + strlen(s_aRTPathAbsExTests[i].pcszOutput) - 2 <= sizeof(szTmp))
+                        strcpy(szTmp + cch, s_aRTPathAbsExTests[i].pcszOutput + 2);
+                }
+#if defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
+                else if (s_aRTPathAbsExTests[i].pcszOutput[1] == 'd')
+                {
+                    if (2 + strlen(s_aRTPathAbsExTests[i].pcszOutput) - 2 <= sizeof(szTmp))
+                        strcpy(szTmp + 2, s_aRTPathAbsExTests[i].pcszOutput + 2);
+                }
+#endif
+            }
+            else
+            {
+                strcpy(szTmp, s_aRTPathAbsExTests[i].pcszOutput);
+                pszExpected = szTmp;
+            }
+
+            if (   strcmp(szPath, pszExpected)
+                || strlen(szPath) != cbAbsPath)
+            {
+                RTTestIFailed("#%u: Unexpected result\n"
+                              "        flags: %#x\n"
+                              "   input base: '%s'\n"
+                              "   input path: '%s'\n"
+                              "       output: '%s'\n"
+                              "     expected: '%s' ('%s')\n"
+                              "    cchResult: %#x, actual %#x",
+                              i,
+                              s_aRTPathAbsExTests[i].fFlags,
+                              s_aRTPathAbsExTests[i].pcszInputBase,
+                              s_aRTPathAbsExTests[i].pcszInputPath,
+                              szPath,
+                              pszExpected, s_aRTPathAbsExTests[i].pcszOutput,
+                              cbAbsPath, strlen(szPath));
+                continue;
+            }
+
+            if (RT_SUCCESS(s_aRTPathAbsExTests[i].rc))
+            {
+                /* Test the RTPATHABS_F_ENSURE_TRAILING_SLASH flag: */
+                cbAbsPath = sizeof(szPath);
+                rc = RTPathAbsEx(s_aRTPathAbsExTests[i].pcszInputBase,
+                                 s_aRTPathAbsExTests[i].pcszInputPath,
+                                 s_aRTPathAbsExTests[i].fFlags | RTPATHABS_F_ENSURE_TRAILING_SLASH,
+                                 szPath, &cbAbsPath);
+                char chSlash = (s_aRTPathAbsExTests[i].fFlags & RTPATH_STR_F_STYLE_MASK) == RTPATH_STR_F_STYLE_DOS  ? '\\'
+                             : (s_aRTPathAbsExTests[i].fFlags & RTPATH_STR_F_STYLE_MASK) == RTPATH_STR_F_STYLE_UNIX ? '/'
+                             : RTPATH_SLASH;
+                if (   RT_FAILURE(rc)
+                    || strlen(szPath) != cbAbsPath
+                    || szPath[cbAbsPath - 1] != chSlash)
+                   RTTestIFailed("#%u: Unexpected RTPATHABS_F_ENSURE_TRAILING_SLASH result: %Rrc\n"
+                                 "        flags: %#x | RTPATHABS_F_ENSURE_TRAILING_SLASH\n"
+                                 "   input base: '%s'\n"
+                                 "   input path: '%s'\n"
+                                 "       output: '%s' ('%c' vs '%c')\n"
+                                 "    cchResult: %#x, actual %#x",
+                                 i, rc,
+                                 s_aRTPathAbsExTests[i].fFlags,
+                                 s_aRTPathAbsExTests[i].pcszInputBase,
+                                 s_aRTPathAbsExTests[i].pcszInputPath,
+                                 szPath, szPath[cbAbsPath - 1], chSlash,
+                                 cbAbsPath, strlen(szPath));
+
+                /* Do overflow testing: */
+                size_t const cbNeeded = strlen(pszExpected) + 1;
+                for (size_t cbBuf = 0; cbBuf < cbNeeded + 64; cbBuf++)
+                {
+                    char *pszBuf = &pszGuardedBuf[RTPATH_MAX - cbBuf];
+                    memset(pszBuf, 0x33, cbBuf);
+                    cbAbsPath = cbBuf;
+                    rc = RTPathAbsEx(s_aRTPathAbsExTests[i].pcszInputBase, s_aRTPathAbsExTests[i].pcszInputPath,
+                                     s_aRTPathAbsExTests[i].fFlags, pszBuf, &cbAbsPath);
+                    if (   cbBuf < cbNeeded
+                        && (   rc != VERR_BUFFER_OVERFLOW
+                            || cbAbsPath < cbNeeded))
+                        RTTestIFailed("#%u: Unexpected overflow result: %Rrc%s\n"
+                                      "        flags: %#x\n"
+                                      "   input base: '%s'\n"
+                                      "   input path: '%s'\n"
+                                      "    cbBuf[in]: %#x\n"
+                                      "   cbBuf[out]: %#x\n"
+                                      "     cbNeeded: %#x\n",
+                                      i, rc, rc != VERR_BUFFER_OVERFLOW ? " - expected VERR_BUFFER_OVERFLOW" : "",
+                                      s_aRTPathAbsExTests[i].fFlags,
+                                      s_aRTPathAbsExTests[i].pcszInputBase,
+                                      s_aRTPathAbsExTests[i].pcszInputPath,
+                                      cbBuf,
+                                      cbAbsPath,
+                                      cbNeeded);
+                    else if (   cbBuf >= cbNeeded
+                             && (   rc != s_aRTPathAbsExTests[i].rc
+                                 || cbAbsPath != cbNeeded - 1
+                                 || strcmp(pszBuf, pszExpected)
+                                 || strlen(pszBuf) != cbAbsPath))
+                        RTTestIFailed("#%u: Unexpected result: %Rrc (expected %Rrc)\n"
+                                      "        flags: %#x\n"
+                                      "   input base: '%s'\n"
+                                      "   input path: '%s'\n"
+                                      "    cbBuf[in]: %#x\n"
+                                      "   cbBuf[out]: %#x\n"
+                                      "     cbNeeded: %#x\n",
+                                      i, rc, s_aRTPathAbsExTests[i].rc,
+                                      s_aRTPathAbsExTests[i].fFlags,
+                                      s_aRTPathAbsExTests[i].pcszInputBase,
+                                      s_aRTPathAbsExTests[i].pcszInputPath,
+                                      cbBuf,
+                                      cbAbsPath,
+                                      cbNeeded);
+
+                }
+            }
+
+            /* RTPathAbsExDup */
+            char *pszDup = RTPathAbsExDup(s_aRTPathAbsExTests[i].pcszInputBase,
+                                          s_aRTPathAbsExTests[i].pcszInputPath,
+                                          s_aRTPathAbsExTests[i].fFlags);
+            if (   (RT_SUCCESS(s_aRTPathAbsExTests[i].rc) ? pszDup == NULL : pszDup != NULL)
+                || RTStrCmp(pszDup, pszExpected))
+                RTTestIFailed("#%u: Unexpected RTPathAbsExDup result: %p%s\n"
+                              "        flags: %#x\n"
+                              "   input base: '%s'\n"
+                              "   input path: '%s'\n"
+                              "       output: '%s'\n"
+                              "     expected: '%s' ('%s')\n",
+                              i, pszDup,
+                              (RT_SUCCESS(s_aRTPathAbsExTests[i].rc) ? pszDup == NULL : pszDup != NULL) ? pszDup ? "NULL" : "!NULL" : "",
+                              s_aRTPathAbsExTests[i].fFlags,
+                              s_aRTPathAbsExTests[i].pcszInputBase,
+                              s_aRTPathAbsExTests[i].pcszInputPath,
+                              pszDup,
+                              pszExpected, s_aRTPathAbsExTests[i].pcszOutput);
+            RTStrFree(pszDup);
+        }
+    }
+
+    if (pszGuardedBuf != szPath)
+        RTTestGuardedFree(hTest, pszGuardedBuf);
+
+
+    /*
+     * RTPathStripFilename
+     */
+    RTTestSub(hTest, "RTPathStripFilename");
+    static const char *s_apszStripFilenameTests[] =
+    {
+        "/usr/include///",              "/usr/include//",
+        "/usr/include/",                "/usr/include",
+        "/usr/include",                 "/usr",
+        "/usr",                         "/",
+        "usr",                          ".",
+#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
+        "c:/windows",                   "c:/",
+        "c:/",                          "c:/",
+        "D:",                           "D:",
+        "C:\\OS2\\DLLS",                "C:\\OS2",
+#endif
+    };
+    for (unsigned i = 0; i < RT_ELEMENTS(s_apszStripFilenameTests); i += 2)
+    {
+        const char *pszInput  = s_apszStripFilenameTests[i];
+        const char *pszExpect = s_apszStripFilenameTests[i + 1];
+        strcpy(szPath, pszInput);
+        RTPathStripFilename(szPath);
+        if (strcmp(szPath, pszExpect))
+        {
+            RTTestIFailed("Unexpected result\n"
+                          "   input: '%s'\n"
+                          "  output: '%s'\n"
+                          "expected: '%s'",
+                          pszInput, szPath, pszExpect);
+        }
+    }
+
+    /*
+     * RTPathAppend.
+     */
+    RTTestSub(hTest, "RTPathAppend");
+    static struct { uint32_t fFlags; const char *pszInput, *pszAppend, *pszExpect; } s_aAppendTests[] =
+    {
+        /* fFlags,                 input                   append                  expected result */
+        { RTPATH_STR_F_STYLE_HOST, "/",                    "",                     "/" },
+        { RTPATH_STR_F_STYLE_HOST, "",                     "/",                    "/" },
+        { RTPATH_STR_F_STYLE_HOST, "/",                    "/",                    "/" },
+        { RTPATH_STR_F_STYLE_HOST, "/x",                   "",                     "/x" },
+        { RTPATH_STR_F_STYLE_HOST, "/x",                   "/",                    "/x/" },
+        { RTPATH_STR_F_STYLE_HOST, "/",                    "x",                    "/x" },
+        { RTPATH_STR_F_STYLE_HOST, "dir",                  "file",                 "dir" RTPATH_SLASH_STR "file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir",                  "/file",                "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir",                  "//file",               "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir",                  "///file",              "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir/",                 "/file",                "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir/",                 "//file",               "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir/",                 "///file",              "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir//",                "file",                 "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir//",                "/file",                "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir//",                "//file",               "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "dir///",               "///file",              "dir/file" },
+        { RTPATH_STR_F_STYLE_HOST, "/bin/testcase",        "foo.r0",               "/bin/testcase" RTPATH_SLASH_STR "foo.r0" },
+        { RTPATH_STR_F_STYLE_DOS,  "/",                    "\\",                   "/"  },
+        { RTPATH_STR_F_STYLE_DOS,  "\\",                   "/",                    "\\" },
+        { RTPATH_STR_F_STYLE_DOS,  "\\\\srv\\shr",         "dir//",                "\\\\srv\\shr\\dir//" },
+        { RTPATH_STR_F_STYLE_DOS,  "\\\\srv\\shr",         "dir//file",            "\\\\srv\\shr\\dir//file" },
+        { RTPATH_STR_F_STYLE_DOS,  "\\\\srv\\shr",         "//dir//",              "\\\\srv\\shr/dir//" },
+        { RTPATH_STR_F_STYLE_DOS,  "\\\\srv\\shr",         "/\\dir//",             "\\\\srv\\shr\\dir//" },
+        { RTPATH_STR_F_STYLE_DOS,  "\\\\",                 "not-srv/not-shr/file", "\\not-srv/not-shr/file" },
+        { RTPATH_STR_F_STYLE_DOS,  "C:",                   "autoexec.bat",         "C:autoexec.bat" },
+        { RTPATH_STR_F_STYLE_DOS,  "C:",                   "/autoexec.bat",        "C:/autoexec.bat" },
+        { RTPATH_STR_F_STYLE_DOS,  "C:",                   "\\autoexec.bat",       "C:\\autoexec.bat" },
+        { RTPATH_STR_F_STYLE_DOS,  "C:\\",                 "/autoexec.bat",        "C:\\autoexec.bat" },
+        { RTPATH_STR_F_STYLE_DOS,  "C:\\\\",               "autoexec.bat",         "C:\\autoexec.bat" },
+        { RTPATH_STR_F_STYLE_DOS,  "E:\\bin\\testcase",    "foo.r0",               "E:\\bin\\testcase\\foo.r0" },
+        { RTPATH_STR_F_STYLE_UNIX, "dir\\",                "\\file",               "dir\\/\\file" },
+    };
+    for (unsigned i = 0; i < RT_ELEMENTS(s_aAppendTests); i++)
+    {
+        const char * const pszInput  = s_aAppendTests[i].pszInput;
+        const char * const pszAppend = s_aAppendTests[i].pszAppend;
+        const char * const pszExpect = s_aAppendTests[i].pszExpect;
+        uint32_t     const fFlags    = s_aAppendTests[i].fFlags;
+
+        strcpy(szPath, pszInput);
+        RTTESTI_CHECK_RC(rc = RTPathAppendEx(szPath, sizeof(szPath), pszAppend, RTSTR_MAX, fFlags), VINF_SUCCESS);
+        if (RT_FAILURE(rc))
+            continue;
+        if (strcmp(szPath, pszExpect))
+            RTTestIFailed("Unexpected result\n"
+                          "   input: '%s', fFlags=%#x\n"
+                          "  append: '%s'\n"
+                          "  output: '%s'\n"
+                          "expected: '%s'",
+                          pszInput, fFlags, pszAppend, szPath, pszExpect);
+        else
+        {
+            size_t const cchResult = strlen(szPath);
+
+            strcpy(szPath, pszInput);
+            RTTESTI_CHECK_RC(rc = RTPathAppendEx(szPath, cchResult + 2, pszAppend, RTSTR_MAX, fFlags), VINF_SUCCESS);
+            RTTESTI_CHECK(RT_FAILURE(rc) || !strcmp(szPath, pszExpect));
+
+            strcpy(szPath, pszInput);
+            RTTESTI_CHECK_RC(rc = RTPathAppendEx(szPath, cchResult + 1, pszAppend, RTSTR_MAX, fFlags), VINF_SUCCESS);
+            RTTESTI_CHECK(RT_FAILURE(rc) || !strcmp(szPath, pszExpect));
+
+            if (strlen(pszInput) < cchResult)
+            {
+                strcpy(szPath, pszInput);
+                RTTESTI_CHECK_RC(RTPathAppendEx(szPath, cchResult, pszAppend, RTSTR_MAX, fFlags), VERR_BUFFER_OVERFLOW);
+            }
+        }
+    }
+
+    /*
+     * RTPathJoin - reuse the append tests.
+     */
+    RTTestSub(hTest, "RTPathJoin");
+    for (unsigned i = 0; i < RT_ELEMENTS(s_aAppendTests); i++)
+    {
+        const char * const pszInput  = s_aAppendTests[i].pszInput;
+        const char * const pszAppend = s_aAppendTests[i].pszAppend;
+        const char * const pszExpect = s_aAppendTests[i].pszExpect;
+        uint32_t     const fFlags    = s_aAppendTests[i].fFlags;
+
+        memset(szPath, 'a', sizeof(szPath)); szPath[sizeof(szPath) - 1] = '\0';
+
+        RTTESTI_CHECK_RC(rc = RTPathJoinEx(szPath, sizeof(szPath), pszInput, RTSTR_MAX, pszAppend, RTSTR_MAX, fFlags), VINF_SUCCESS);
+        if (RT_FAILURE(rc))
+            continue;
+        if (strcmp(szPath, pszExpect))
+            RTTestIFailed("Unexpected result\n"
+                          "   input: '%s', fFlags=%#x\n"
+                          "  append: '%s'\n"
+                          "  output: '%s'\n"
+                          "expected: '%s'",
+                          pszInput, fFlags, pszAppend, szPath, pszExpect);
+        else
+        {
+            size_t const cchResult = strlen(szPath);
+
+            memset(szPath, 'a', sizeof(szPath)); szPath[sizeof(szPath) - 1] = '\0';
+            RTTESTI_CHECK_RC(rc = RTPathJoinEx(szPath, cchResult + 2, pszInput, RTSTR_MAX, pszAppend, RTSTR_MAX, fFlags), VINF_SUCCESS);
+            RTTESTI_CHECK(RT_FAILURE(rc) || !strcmp(szPath, pszExpect));
+
+            memset(szPath, 'a', sizeof(szPath)); szPath[sizeof(szPath) - 1] = '\0';
+            RTTESTI_CHECK_RC(rc = RTPathJoinEx(szPath, cchResult + 1, pszInput, RTSTR_MAX, pszAppend, RTSTR_MAX, fFlags), VINF_SUCCESS);
+            RTTESTI_CHECK(RT_FAILURE(rc) || !strcmp(szPath, pszExpect));
+
+            RTTESTI_CHECK_RC(rc = RTPathJoinEx(szPath, cchResult, pszInput, RTSTR_MAX, pszAppend, RTSTR_MAX, fFlags), VERR_BUFFER_OVERFLOW);
+        }
+    }
+
+    /*
+     * RTPathJoinA - reuse the append tests.
+     */
+    RTTestSub(hTest, "RTPathJoinA");
+    for (unsigned i = 0; i < RT_ELEMENTS(s_aAppendTests); i++)
+    {
+        const char * const pszInput  = s_aAppendTests[i].pszInput;
+        const char * const pszAppend = s_aAppendTests[i].pszAppend;
+        const char * const pszExpect = s_aAppendTests[i].pszExpect;
+        uint32_t     const fFlags    = s_aAppendTests[i].fFlags;
+        if (   (fFlags & RTPATH_STR_F_STYLE_MASK) == RTPATH_STR_F_STYLE_HOST
+            || (fFlags & RTPATH_STR_F_STYLE_MASK) == RTPATH_STYLE)
+
+        {
+            char *pszPathDst;
+            RTTESTI_CHECK(pszPathDst = RTPathJoinA(pszInput, pszAppend));
+            if (!pszPathDst)
+                continue;
+            if (strcmp(pszPathDst, pszExpect))
+                RTTestIFailed("Unexpected result\n"
+                              "   input: '%s'\n"
+                              "  append: '%s'\n"
+                              "  output: '%s'\n"
+                              "expected: '%s'",
+                              pszInput, pszAppend, pszPathDst, pszExpect);
+            RTStrFree(pszPathDst);
+        }
+    }
+
+    /*
+     * RTPathStripTrailingSlash
+     */
+    static const char *s_apszStripTrailingSlash[] =
+    {
+     /* input                   result */
+        "/",                    "/",
+        "//",                   "/",
+        "////////////////////", "/",
+        "/tmp",                 "/tmp",
+        "/tmp////////////////", "/tmp",
+        "tmp",                  "tmp",
+        "tmp////////////////",  "tmp",
+        "./",                   ".",
+#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
+        "////////////////////", "/",
+        "D:",                   "D:",
+        "D:/",                  "D:/",
+        "D:\\",                 "D:\\",
+        "D:\\/\\",              "D:\\",
+        "D:/\\/\\",             "D:/",
+        "C:/Temp",              "C:/Temp",
+        "C:/Temp/",             "C:/Temp",
+        "C:/Temp\\/",           "C:/Temp",
+#endif
+    };
+    for (unsigned i = 0; i < RT_ELEMENTS(s_apszStripTrailingSlash); i += 2)
+    {
+        const char *pszInput  = s_apszStripTrailingSlash[i];
+        const char *pszExpect = s_apszStripTrailingSlash[i + 1];
+
+        strcpy(szPath, pszInput);
+        cch = RTPathStripTrailingSlash(szPath);
+        if (strcmp(szPath, pszExpect))
+            RTTestIFailed("Unexpected result\n"
+                          "   input: '%s'\n"
+                          "  output: '%s'\n"
+                          "expected: '%s'",
+                          pszInput, szPath, pszExpect);
+        else
+            RTTESTI_CHECK(cch == strlen(szPath));
+    }
+
+    /*
+     * RTPathCountComponents
+     */
+    RTTestSub(hTest, "RTPathCountComponents");
+    RTTESTI_CHECK(RTPathCountComponents("") == 0);
+    RTTESTI_CHECK(RTPathCountComponents("/") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//////////////") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//////////////bin") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("//////////////bin/") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("//////////////bin/////") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("..") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("../") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("../..") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("../../") == 2);
+#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
+    RTTESTI_CHECK(RTPathCountComponents("d:") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("d:/") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("d:/\\") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("d:\\") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("c:\\config.sys") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("c:\\windows") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("c:\\windows\\") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("c:\\windows\\system32") == 3);
+    RTTESTI_CHECK(RTPathCountComponents("//./C$") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("\\\\.\\C$") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("/\\.\\C$") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver/") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver/share") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver/share/") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver/share\\") == 1);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver/share\\x") == 2);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver/share\\x\\y") == 3);
+    RTTESTI_CHECK(RTPathCountComponents("//myserver/share\\x\\y\\") == 3);
+#endif
+
+    /*
+     * RTPathCopyComponents
+     */
+    struct
+    {
+        const char *pszSrc;
+        size_t      cComponents;
+        const char *pszResult;
+    } s_aCopyComponents[] =
+    {
+        { "",                           0, "" },
+        { "",                           5, "" },
+        { "/",                          0, "" },
+        { "/",                          1, "/" },
+        { "/",                          2, "/" },
+        { "/usr/bin/sed",               0, "" },
+        { "/usr/bin/sed",               1, "/" },
+        { "/usr/bin/sed",               2, "/usr/" },
+        { "/usr/bin/sed",               3, "/usr/bin/" },
+        { "/usr/bin/sed",               4, "/usr/bin/sed" },
+        { "/usr/bin/sed",               5, "/usr/bin/sed" },
+        { "/usr/bin/sed",               6, "/usr/bin/sed" },
+        { "/usr///bin/sed",             2, "/usr///" },
+    };
+    for (unsigned i = 0; i < RT_ELEMENTS(s_aCopyComponents); i++)
+    {
+        const char *pszInput    = s_aCopyComponents[i].pszSrc;
+        size_t      cComponents = s_aCopyComponents[i].cComponents;
+        const char *pszResult   = s_aCopyComponents[i].pszResult;
+
+        memset(szPath, 'a', sizeof(szPath));
+        rc = RTPathCopyComponents(szPath, sizeof(szPath), pszInput, cComponents);
+        RTTESTI_CHECK_RC(rc, VINF_SUCCESS);
+        if (RT_SUCCESS(rc) && strcmp(szPath, pszResult))
+            RTTestIFailed("Unexpected result\n"
+                          "   input: '%s' cComponents=%u\n"
+                          "  output: '%s'\n"
+                          "expected: '%s'",
+                          pszInput, cComponents, szPath, pszResult);
+        else if (RT_SUCCESS(rc))
+        {
+            RTTESTI_CHECK_RC(RTPathCopyComponents(szPath, strlen(pszResult) + 1, pszInput, cComponents), VINF_SUCCESS);
+            RTTESTI_CHECK_RC(RTPathCopyComponents(szPath, strlen(pszResult), pszInput, cComponents), VERR_BUFFER_OVERFLOW);
+        }
+    }
+
+
+    /*
+     * RTPathStripSuffix
+     */
+    RTTestSub(hTest, "RTPathStripSuffix");
+    struct
+    {
+        const char *pszSrc;
+        const char *pszResult;
+    } s_aStripExt[] =
+    {
+        { "filename.ext",               "filename" },
+        { "filename.ext1.ext2.ext3",    "filename.ext1.ext2" },
+        { "filename..ext",              "filename." },
+        { "filename.ext.",              "filename.ext." },
+    };
+    for (unsigned i = 0; i < RT_ELEMENTS(s_aStripExt); i++)
+    {
+        const char *pszInput    = s_aStripExt[i].pszSrc;
+        const char *pszResult   = s_aStripExt[i].pszResult;
+
+        strcpy(szPath, pszInput);
+        RTPathStripSuffix(szPath);
+        if (strcmp(szPath, pszResult))
+            RTTestIFailed("Unexpected result\n"
+                          "   input: '%s'\n"
+                          "  output: '%s'\n"
+                          "expected: '%s'",
+                          pszInput, szPath, pszResult);
+    }
+
+    /*
+     * RTPathCalcRelative
+     */
+    RTTestSub(hTest, "RTPathCalcRelative");
+    struct
+    {
+        const char *pszFrom;
+        bool fFromFile;
+        const char *pszTo;
+        int rc;
+        const char *pszExpected;
+    } s_aRelPath[] =
+    {
+        { "/home/test.ext",     true,           "/home/test2.ext",        VINF_SUCCESS, "test2.ext" },
+        { "/dir/test.ext",      true,           "/dir/dir2/test2.ext",    VINF_SUCCESS, "dir2/test2.ext" },
+        { "/dir/dir2/test.ext", true,           "/dir/test2.ext",         VINF_SUCCESS, ".." RTPATH_SLASH_STR "test2.ext" },
+        { "/dir/dir2/test.ext", true,           "/dir/dir3/test2.ext",    VINF_SUCCESS, ".." RTPATH_SLASH_STR "dir3/test2.ext" },
+        { "/dir/dir2",          false,          "/dir/dir3/test2.ext",    VINF_SUCCESS, ".." RTPATH_SLASH_STR "dir3/test2.ext" },
+        { "/dir/dir2",          false,          "/dir/dir3//test2.ext",   VINF_SUCCESS, ".." RTPATH_SLASH_STR "dir3//test2.ext" },
+        { "/dir/dir2/",         false,          "/dir/dir3/test2.ext",    VINF_SUCCESS, ".." RTPATH_SLASH_STR "dir3/test2.ext" },
+        { "/dir/dir2////",      false,          "/dir//dir3/test2.ext",   VINF_SUCCESS, ".." RTPATH_SLASH_STR "dir3/test2.ext" },
+        { "/include/iprt",      false,          "/include/iprt/cdefs.h",  VINF_SUCCESS, "cdefs.h" },
+        { "/include/iprt/",     false,          "/include/iprt/cdefs.h",  VINF_SUCCESS, "cdefs.h" },
+        { "/include/iprt/tt.h", true,           "/include/iprt/cdefs.h",  VINF_SUCCESS, "cdefs.h" },
+#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
+        { "\\\\server\\share\\test.ext", true,  "\\\\server\\share2\\test2.ext", VERR_NOT_SUPPORTED, "" },
+        { "c:\\dir\\test.ext",  true,           "f:\\dir\\test.ext",      VERR_NOT_SUPPORTED, "" },
+        { "F:\\dir\\test.ext",  false,          "f:/dir//test.ext",      VINF_SUCCESS, "." } ,
+        { "F:\\diR\\Test.exT",  true,           "f:/dir//test.ext",      VINF_SUCCESS, "Test.exT" } ,
+        { "F:\\K\xc3\x85RE\\Test.exT", true,    "f:/k\xc3\xa5re//test.ext", VINF_SUCCESS, "Test.exT" } ,
+#endif
+    };
+    for (unsigned i = 0; i < RT_ELEMENTS(s_aRelPath); i++)
+    {
+        const char *pszFrom   = s_aRelPath[i].pszFrom;
+        bool        fFromFile = s_aRelPath[i].fFromFile;
+        const char *pszTo     = s_aRelPath[i].pszTo;
+
+        rc = RTPathCalcRelative(szPath, sizeof(szPath), pszFrom, fFromFile, pszTo);
+        if (rc != s_aRelPath[i].rc)
+            RTTestIFailed("Unexpected return code for %s .. %s\n"
+                          "     got: %Rrc\n"
+                          "expected: %Rrc",
+                          pszFrom, pszTo, rc, s_aRelPath[i].rc);
+        else if (   RT_SUCCESS(rc)
+                 && strcmp(szPath, s_aRelPath[i].pszExpected))
+            RTTestIFailed("Unexpected result\n"
+                          "    from: '%s' (%s)\n"
+                          "      to: '%s'\n"
+                          "  output: '%s'\n"
+                          "expected: '%s'",
+                          pszFrom, fFromFile ? "file" : "dir", pszTo, szPath, s_aRelPath[i].pszExpected);
+    }
+
+    testParserAndSplitter(hTest);
+    testParentLength(hTest);
+    testPurgeFilename(hTest);
+    testEnsureTrailingSeparator(hTest);
+    testFindCommon(hTest);
+
+    /*
+     * Summary.
+     */
+    return RTTestSummaryAndDestroy(hTest);
+}
+