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libreoffice/i18nutil/qa/cppunit/test_kashida.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <sal/types.h>
#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/plugin/TestPlugIn.h>
#include <i18nutil/kashida.hxx>
using namespace i18nutil;
namespace
{
class KashidaTest : public CppUnit::TestFixture
{
public:
void testCharacteristic();
void testManualKashida();
void testFinalYeh();
void testNoZwnjExpansion();
void testExcludeInvalid();
void testSyriac();
CPPUNIT_TEST_SUITE(KashidaTest);
CPPUNIT_TEST(testCharacteristic);
CPPUNIT_TEST(testManualKashida);
CPPUNIT_TEST(testFinalYeh);
CPPUNIT_TEST(testNoZwnjExpansion);
CPPUNIT_TEST(testExcludeInvalid);
CPPUNIT_TEST(testSyriac);
CPPUNIT_TEST_SUITE_END();
};
void KashidaTest::testCharacteristic()
{
// Characteristic tests for kashida candidate selection.
// Uses words from sample documents.
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), GetWordKashidaPosition(u"متن"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"فارسی"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), GetWordKashidaPosition(u"با"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"نویسه"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), GetWordKashidaPosition(u"کشیده"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), GetWordKashidaPosition(u"برای"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(2), GetWordKashidaPosition(u"چینش"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), GetWordKashidaPosition(u"بهتر"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"ببببب"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"بپپپپ"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"تطویل"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), GetWordKashidaPosition(u"بپ"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), GetWordKashidaPosition(u"تطوی"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"تحویل"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), GetWordKashidaPosition(u"تشویل"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"تمثیل"_ustr).value().nIndex);
}
void KashidaTest::testManualKashida()
{
CPPUNIT_ASSERT_EQUAL(sal_Int32(2), GetWordKashidaPosition(u"برـای"_ustr).value().nIndex);
// Normally, a kashida would not be inserted after a final Yeh.
CPPUNIT_ASSERT_EQUAL(sal_Int32(4), GetWordKashidaPosition(u"نیمِـي"_ustr).value().nIndex);
}
// tdf#65344: Do not insert kashida before a final Yeh
void KashidaTest::testFinalYeh()
{
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), GetWordKashidaPosition(u"يييي"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), GetWordKashidaPosition(u"ييي"_ustr).value().nIndex);
CPPUNIT_ASSERT(!GetWordKashidaPosition(u"يي"_ustr).has_value());
// Should always insert kashida after Seen, even before a final Yeh
CPPUNIT_ASSERT_EQUAL(sal_Int32(2), GetWordKashidaPosition(u"كرسي"_ustr).value().nIndex);
}
// #i98410#: Do not insert kashida under a ZWNJ
void KashidaTest::testNoZwnjExpansion()
{
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), GetWordKashidaPosition(u"نویسه"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), GetWordKashidaPosition(u"نویس\u200Cه"_ustr).value().nIndex);
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), GetWordKashidaPosition(u"متن"_ustr).value().nIndex);
CPPUNIT_ASSERT(!GetWordKashidaPosition(u"مت\u200Cن"_ustr).has_value());
}
// tdf#163105: Do not insert kashida if the position is invalid
void KashidaTest::testExcludeInvalid()
{
std::vector<bool> aValid;
aValid.resize(5, true);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3),
GetWordKashidaPosition(u"نویسه"_ustr, aValid).value().nIndex);
aValid[3] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(0),
GetWordKashidaPosition(u"نویسه"_ustr, aValid).value().nIndex);
// Calls after this use the last resort (positions in aValid from end to start)
aValid[0] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(2),
GetWordKashidaPosition(u"نویسه"_ustr, aValid).value().nIndex);
aValid[2] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(1),
GetWordKashidaPosition(u"نویسه"_ustr, aValid).value().nIndex);
aValid[1] = false;
CPPUNIT_ASSERT(!GetWordKashidaPosition(u"نویسه"_ustr, aValid).has_value());
}
// tdf#140767: Kashida justification for Syriac
void KashidaTest::testSyriac()
{
// - Prefer user-inserted kashida
CPPUNIT_ASSERT_EQUAL(sal_Int32(2), GetWordKashidaPosition(u"ܥܥـܥܥܥܥ"_ustr).value().nIndex);
std::vector<bool> aValid;
aValid.resize(7, true);
// - Start from end and work toward midpoint, then reverse direction
CPPUNIT_ASSERT_EQUAL(sal_Int32(5),
GetWordKashidaPosition(u"ܥܥܥܥܥܥܥ"_ustr, aValid).value().nIndex);
aValid[5] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(4),
GetWordKashidaPosition(u"ܥܥܥܥܥܥܥ"_ustr, aValid).value().nIndex);
aValid[4] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(0),
GetWordKashidaPosition(u"ܥܥܥܥܥܥܥ"_ustr, aValid).value().nIndex);
aValid[0] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(1),
GetWordKashidaPosition(u"ܥܥܥܥܥܥܥ"_ustr, aValid).value().nIndex);
aValid[1] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(2),
GetWordKashidaPosition(u"ܥܥܥܥܥܥܥ"_ustr, aValid).value().nIndex);
aValid[2] = false;
CPPUNIT_ASSERT_EQUAL(sal_Int32(3),
GetWordKashidaPosition(u"ܥܥܥܥܥܥܥ"_ustr, aValid).value().nIndex);
aValid[3] = false;
CPPUNIT_ASSERT(!GetWordKashidaPosition(u"ܥܥܥܥܥܥܥ"_ustr, aValid).has_value());
}
CPPUNIT_TEST_SUITE_REGISTRATION(KashidaTest);
}
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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