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/* This file is part of the KDE libraries
Copyright (c) 2009 Germain Garand <germain@ebooksfrance.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kencodingdetectortest.h"
#include <QTest>
#include <kencodingdetector.h>
static const char data1[] = "this should decode correctly";
static const char data2[] = "this is an invalid utf-8 byte: \xBF and another one: \xBE";
static KEncodingDetector *ed = nullptr;
void KEncodingDetectorTest::initTestCase()
{
ed = new KEncodingDetector();
}
void KEncodingDetectorTest::testSetEncoding()
{
QCOMPARE(ed->setEncoding("iso8859-1", KEncodingDetector::UserChosenEncoding), true);
QCOMPARE(ed->setEncoding("utf-8", KEncodingDetector::UserChosenEncoding), true);
}
void KEncodingDetectorTest::testDecode()
{
QString s = ed->decode(data1, sizeof(data1) - 1);
QCOMPARE(ed->decodedInvalidCharacters(), false);
QString s2 = ed->decode(data2, sizeof(data2) - 1);
QCOMPARE(ed->decodedInvalidCharacters(), true);
QCOMPARE(s, QString::fromLatin1(data1));
ed->resetDecoder();
QVERIFY(!ed->decodedInvalidCharacters());
// set to automatic detection
ed->setEncoding("", KEncodingDetector::DefaultEncoding);
// decodeWithBuffering should just accumulate the buffer here,
// waiting for some HTML/XML encoding tags
s = ed->decodeWithBuffering(data2, sizeof data2 - 1);
// shouldn't even decode anything yet, so:
QCOMPARE(s.isEmpty(), true);
QCOMPARE(ed->decodedInvalidCharacters(), false);
// force encoding, as the high bytes must have switched the encoding
// to anything *but* utf-8
QCOMPARE(QString::fromLatin1("utf-8").startsWith(QString::fromLatin1(ed->encoding()), Qt::CaseInsensitive), false);
ed->setEncoding("utf-8", KEncodingDetector::UserChosenEncoding);
QCOMPARE(QString::fromLatin1("utf-8").startsWith(QString::fromLatin1(ed->encoding()), Qt::CaseInsensitive), true);
// force decoding now
s = ed->flush();
QCOMPARE(s.isEmpty(), false);
QCOMPARE(ed->decodedInvalidCharacters(), true);
// now check that resetDecoder() empties the buffer
s2 = ed->decodeWithBuffering(data1, sizeof data1 - 1);
ed->resetDecoder();
s2 = ed->flush();
QCOMPARE(s2.isEmpty(), true);
// check that buffered decoding with non-overridable specified codec decodes right away
ed->setEncoding("utf-8", KEncodingDetector::EncodingFromHTTPHeader);
s = ed->decodeWithBuffering(data2, sizeof data2 - 1);
QCOMPARE(s.isEmpty(), false);
QCOMPARE(ed->decodedInvalidCharacters(), true);
}
QTEST_MAIN(KEncodingDetectorTest)
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