tstIprtMiniString.cpp revision da95d7e90deb739a4313283fc4b2e23d8f9ce8d6
/* $Id$ */
/** @file
* IPRT Testcase - iprt::MiniString.
*/
/*
* Copyright (C) 2006-2010 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/cpp/ministring.h>
#include <iprt/err.h>
#include <iprt/mem.h>
#include <iprt/string.h>
#include <iprt/test.h>
#include <iprt/uni.h>
static void test1(RTTEST hTest)
{
RTTestSub(hTest, "Basics");
#define CHECK(expr) RTTESTI_CHECK(expr)
#define CHECK_DUMP(expr, value) \
do { \
if (!(expr)) \
RTTestFailed(hTest, "%d: FAILED %s, got \"%s\"", __LINE__, #expr, value); \
} while (0)
#define CHECK_DUMP_I(expr) \
do { \
if (!(expr)) \
RTTestFailed(hTest, "%d: FAILED %s, got \"%d\"", __LINE__, #expr, expr); \
} while (0)
iprt::MiniString empty;
CHECK(empty.length() == 0);
CHECK(empty.capacity() == 0);
iprt::MiniString sixbytes("12345");
CHECK(sixbytes.length() == 5);
CHECK(sixbytes.capacity() == 6);
sixbytes.append(iprt::MiniString("678"));
CHECK(sixbytes.length() == 8);
CHECK(sixbytes.capacity() >= 9);
sixbytes.append("9a");
CHECK(sixbytes.length() == 10);
CHECK(sixbytes.capacity() >= 11);
char *psz = sixbytes.mutableRaw();
// 123456789a
// ^
// 0123456
psz[6] = '\0';
sixbytes.jolt();
CHECK(sixbytes.length() == 6);
CHECK(sixbytes.capacity() == 7);
iprt::MiniString morebytes("tobereplaced");
morebytes = "newstring ";
morebytes.append(sixbytes);
CHECK_DUMP(morebytes == "newstring 123456", morebytes.c_str());
iprt::MiniString third(morebytes);
third.reserve(100 * 1024); // 100 KB
CHECK_DUMP(third == "newstring 123456", morebytes.c_str() );
CHECK(third.capacity() == 100 * 1024);
CHECK(third.length() == morebytes.length()); // must not have changed
iprt::MiniString copy1(morebytes);
iprt::MiniString copy2 = morebytes;
CHECK(copy1 == copy2);
copy1 = NULL;
CHECK(copy1.length() == 0);
copy1 = "";
CHECK(copy1.length() == 0);
CHECK(iprt::MiniString("abc") < iprt::MiniString("def"));
CHECK(iprt::MiniString("abc") != iprt::MiniString("def"));
CHECK_DUMP_I(iprt::MiniString("def") > iprt::MiniString("abc"));
CHECK(iprt::MiniString("abc") == iprt::MiniString("abc"));
CHECK(iprt::MiniString("abc") < "def");
CHECK(iprt::MiniString("abc") != "def");
CHECK_DUMP_I(iprt::MiniString("def") > "abc");
CHECK(iprt::MiniString("abc") == "abc");
CHECK(iprt::MiniString("abc").equals("abc"));
CHECK(!iprt::MiniString("abc").equals("def"));
CHECK(iprt::MiniString("abc").equalsIgnoreCase("Abc"));
CHECK(iprt::MiniString("abc").equalsIgnoreCase("ABc"));
CHECK(iprt::MiniString("abc").equalsIgnoreCase("ABC"));
CHECK(!iprt::MiniString("abc").equalsIgnoreCase("dBC"));
copy2.setNull();
for (int i = 0; i < 100; ++i)
{
copy2.reserve(50); // should be ignored after 50 loops
copy2.append("1");
}
CHECK(copy2.length() == 100);
copy2.setNull();
for (int i = 0; i < 100; ++i)
{
copy2.reserve(50); // should be ignored after 50 loops
copy2.append('1');
}
CHECK(copy2.length() == 100);
#undef CHECK
#undef CHECK_DUMP
#undef CHECK_DUMP_I
}
static int mymemcmp(const char *psz1, const char *psz2, size_t cch)
{
for (size_t off = 0; off < cch; off++)
if (psz1[off] != psz2[off])
{
RTTestIFailed("off=%#x psz1=%.*Rhxs psz2=%.*Rhxs\n", off,
RT_MIN(cch - off, 8), &psz1[off],
RT_MIN(cch - off, 8), &psz2[off]);
return psz1[off] > psz2[off] ? 1 : -1;
}
return 0;
}
static void test2(RTTEST hTest)
{
RTTestSub(hTest, "UTF-8 upper/lower encoding assumption");
#define CHECK_EQUAL(str1, str2) \
do \
{ \
RTTESTI_CHECK(strlen((str1).c_str()) == (str1).length()); \
RTTESTI_CHECK((str1).length() == (str2).length()); \
RTTESTI_CHECK(mymemcmp((str1).c_str(), (str2).c_str(), (str2).length() + 1) == 0); \
} while (0)
iprt::MiniString strTmp;
char szDst[16];
/* Collect all upper and lower case code points. */
iprt::MiniString strLower("");
strLower.reserve(_4M);
iprt::MiniString strUpper("");
strUpper.reserve(_4M);
for (RTUNICP uc = 1; uc <= 0x10fffd; uc++)
{
if (RTUniCpIsLower(uc))
{
RTTESTI_CHECK_MSG(uc < 0xd800 || (uc > 0xdfff && uc != 0xfffe && uc != 0xffff), ("%#x\n", uc));
strLower.appendCodePoint(uc);
}
if (RTUniCpIsUpper(uc))
{
RTTESTI_CHECK_MSG(uc < 0xd800 || (uc > 0xdfff && uc != 0xfffe && uc != 0xffff), ("%#x\n", uc));
strUpper.appendCodePoint(uc);
}
}
RTTESTI_CHECK(strlen(strLower.c_str()) == strLower.length());
RTTESTI_CHECK(strlen(strUpper.c_str()) == strUpper.length());
/* Fold each code point in the lower case string and check that it encodes
into the same or less number of bytes. */
size_t cch = 0;
const char *pszCur = strLower.c_str();
iprt::MiniString strUpper2("");
strUpper2.reserve(strLower.length() + 64);
for (;;)
{
RTUNICP ucLower;
const char * const pszPrev = pszCur;
RTTESTI_CHECK_RC_BREAK(RTStrGetCpEx(&pszCur, &ucLower), VINF_SUCCESS);
size_t const cchSrc = pszCur - pszPrev;
if (!ucLower)
break;
RTUNICP const ucUpper = RTUniCpToUpper(ucLower);
const char *pszDstEnd = RTStrPutCp(szDst, ucUpper);
size_t const cchDst = pszDstEnd - &szDst[0];
RTTESTI_CHECK_MSG(cchSrc >= cchDst,
("ucLower=%#x %u bytes; ucUpper=%#x %u bytes\n",
ucLower, cchSrc, ucUpper, cchDst));
cch += cchDst;
strUpper2.appendCodePoint(ucUpper);
/* roundtrip stability */
RTUNICP const ucUpper2 = RTUniCpToUpper(ucUpper);
RTTESTI_CHECK_MSG(ucUpper2 == ucUpper, ("ucUpper2=%#x ucUpper=%#x\n", ucUpper2, ucUpper));
RTUNICP const ucLower2 = RTUniCpToLower(ucUpper);
RTUNICP const ucUpper3 = RTUniCpToUpper(ucLower2);
RTTESTI_CHECK_MSG(ucUpper3 == ucUpper, ("ucUpper3=%#x ucUpper=%#x\n", ucUpper3, ucUpper));
pszDstEnd = RTStrPutCp(szDst, ucLower2);
size_t const cchLower2 = pszDstEnd - &szDst[0];
RTTESTI_CHECK_MSG(cchDst == cchLower2,
("ucLower2=%#x %u bytes; ucUpper=%#x %u bytes\n",
ucLower2, cchLower2, ucUpper, cchDst));
}
RTTESTI_CHECK(strlen(strUpper2.c_str()) == strUpper2.length());
RTTESTI_CHECK_MSG(cch == strUpper2.length(), ("cch=%u length()=%u\n", cch, strUpper2.length()));
/* the toUpper method shall do the same thing. */
strTmp = strLower; CHECK_EQUAL(strTmp, strLower);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper2);
/* Ditto for the upper case string. */
cch = 0;
pszCur = strUpper.c_str();
iprt::MiniString strLower2("");
strLower2.reserve(strUpper.length() + 64);
for (;;)
{
RTUNICP ucUpper;
const char * const pszPrev = pszCur;
RTTESTI_CHECK_RC_BREAK(RTStrGetCpEx(&pszCur, &ucUpper), VINF_SUCCESS);
size_t const cchSrc = pszCur - pszPrev;
if (!ucUpper)
break;
RTUNICP const ucLower = RTUniCpToLower(ucUpper);
const char *pszDstEnd = RTStrPutCp(szDst, ucLower);
size_t const cchDst = pszDstEnd - &szDst[0];
RTTESTI_CHECK_MSG(cchSrc >= cchDst,
("ucUpper=%#x %u bytes; ucLower=%#x %u bytes\n",
ucUpper, cchSrc, ucLower, cchDst));
cch += cchDst;
strLower2.appendCodePoint(ucLower);
/* roundtrip stability */
RTUNICP const ucLower2 = RTUniCpToLower(ucLower);
RTTESTI_CHECK_MSG(ucLower2 == ucLower, ("ucLower2=%#x ucLower=%#x\n", ucLower2, ucLower));
RTUNICP const ucUpper2 = RTUniCpToUpper(ucLower);
RTUNICP const ucLower3 = RTUniCpToLower(ucUpper2);
RTTESTI_CHECK_MSG(ucLower3 == ucLower, ("ucLower3=%#x ucLower=%#x\n", ucLower3, ucLower));
pszDstEnd = RTStrPutCp(szDst, ucUpper2);
size_t const cchUpper2 = pszDstEnd - &szDst[0];
RTTESTI_CHECK_MSG(cchDst == cchUpper2,
("ucUpper2=%#x %u bytes; ucLower=%#x %u bytes\n",
ucUpper2, cchUpper2, ucLower, cchDst));
}
RTTESTI_CHECK(strlen(strLower2.c_str()) == strLower2.length());
RTTESTI_CHECK_MSG(cch == strLower2.length(), ("cch=%u length()=%u\n", cch, strLower2.length()));
strTmp = strUpper; CHECK_EQUAL(strTmp, strUpper);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower2);
/* Checks of folding stability when nothing shall change. */
strTmp = strUpper; CHECK_EQUAL(strTmp, strUpper);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper);
strTmp = strUpper2; CHECK_EQUAL(strTmp, strUpper2);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper2);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper2);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper2);
strTmp = strLower; CHECK_EQUAL(strTmp, strLower);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower);
strTmp = strLower2; CHECK_EQUAL(strTmp, strLower2);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower2);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower2);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower2);
/* Check folding stability for roundtrips. */
strTmp = strUpper; CHECK_EQUAL(strTmp, strUpper);
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower2);
strTmp.toUpper();
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower2);
strTmp.toUpper();
strTmp.toLower(); CHECK_EQUAL(strTmp, strLower2);
strTmp = strLower; CHECK_EQUAL(strTmp, strLower);
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper2);
strTmp.toLower();
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper2);
strTmp.toLower();
strTmp.toUpper(); CHECK_EQUAL(strTmp, strUpper2);
}
int main()
{
RTTEST hTest;
RTEXITCODE rcExit = RTTestInitAndCreate("tstIprtMiniString", &hTest);
if (rcExit == RTEXITCODE_SUCCESS)
{
RTTestBanner(hTest);
test1(hTest);
test2(hTest);
rcExit = RTTestSummaryAndDestroy(hTest);
}
return rcExit;
}