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/*
SPDX-FileCopyrightText: 2012-2013 Milian Wolff <mail@milianw.de>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "test_indexedstring.h"
#include <serialization/indexedstring.h>
#include <serialization/referencecounting.h>
#include <QTest>
#include <cstddef>
#include <utility>
QTEST_GUILESS_MAIN(TestIndexedString)
using namespace KDevelop;
void TestIndexedString::testUrl_data()
{
QTest::addColumn<QUrl>("url");
QTest::addColumn<QString>("string");
QTest::newRow("empty") << QUrl() << QString();
QTest::newRow("/") << QUrl::fromLocalFile(QStringLiteral("/")) << QStringLiteral("/");
QTest::newRow("/foo/bar") << QUrl::fromLocalFile(QStringLiteral("/foo/bar")) << QStringLiteral("/foo/bar");
QTest::newRow("http://foo.com/") << QUrl(QStringLiteral("http://foo.com/")) << QStringLiteral("http://foo.com/");
QTest::newRow("http://foo.com/bar/asdf") << QUrl(QStringLiteral("http://foo.com/bar/asdf")) << QStringLiteral(
"http://foo.com/bar/asdf");
QTest::newRow("file:///bar/asdf") << QUrl(QStringLiteral("file:///bar/asdf")) << QStringLiteral("/bar/asdf");
#ifdef Q_OS_WIN
// Make sure we're not running into https://bugreports.qt.io/browse/QTBUG-41729
QTest::newRow("file:///C:/bar/asdf") << QUrl("file:///C:/bar/asdf") << QStringLiteral("C:/bar/asdf");
#endif
}
void TestIndexedString::testUrl()
{
QFETCH(QUrl, url);
IndexedString indexed(url);
QCOMPARE(indexed.toUrl(), url);
QCOMPARE(indexed.index(), IndexedString::indexForUrl(url));
QTEST(indexed.str(), "string");
}
void TestIndexedString::test()
{
QFETCH(QString, data);
IndexedString indexed(data);
QCOMPARE(indexed.str(), data);
QCOMPARE(indexed.index(), IndexedString::indexForString(data));
const auto byteArrayData = data.toUtf8();
QEXPECT_FAIL("char-utf8", "UTF-8 gets decoded and the char data is stored internally", Continue);
QEXPECT_FAIL("string-utf8", "UTF-8 gets decoded and the char data is stored internally", Continue);
QCOMPARE(indexed.length(), data.length());
// fallback until we rely on internal utf8 encoding
QCOMPARE(indexed.length(), byteArrayData.length());
QCOMPARE(indexed.byteArray(), byteArrayData);
QVERIFY(!strncmp(indexed.c_str(), byteArrayData.data(), byteArrayData.length()));
QCOMPARE(indexed.index(), IndexedString::indexForString(byteArrayData.data(), byteArrayData.length()));
IndexedString moved = std::move(indexed);
QCOMPARE(moved.str(), data);
}
void TestIndexedString::test_data()
{
QTest::addColumn<QString>("data");
QTest::newRow("empty") << QString();
QTest::newRow("char-ascii") << QStringLiteral("a");
QTest::newRow("char-utf8") << QStringLiteral("ä");
QTest::newRow("string-ascii") << QStringLiteral("asdf()?=");
QTest::newRow("string-utf8") << QStringLiteral("æſðđäöü");
}
void TestIndexedString::testMoveAssignment()
{
// Deliberately make no assumptions about the value of the moved-from object.
const QString text = QStringLiteral("random text");
IndexedString movedFrom(text);
QCOMPARE(movedFrom.str(), text);
IndexedString notRefCounted;
notRefCounted = std::move(movedFrom);
QCOMPARE(notRefCounted.str(), text);
movedFrom = std::move(notRefCounted);
QCOMPARE(movedFrom.str(), text);
const QString toBeDerefed = QStringLiteral("to-be-derefed");
// Enable reference counting throughout refCounted's lifetime.
std::byte indexedStringData[sizeof(IndexedString)];
const DUChainReferenceCountingEnabler rcEnabler(indexedStringData, sizeof(IndexedString));
IndexedString* const refCounted = new (indexedStringData) IndexedString(toBeDerefed);
QCOMPARE(refCounted->str(), toBeDerefed);
*refCounted = std::move(movedFrom);
QCOMPARE(refCounted->str(), text);
refCounted->~IndexedString();
}
void TestIndexedString::testSwap()
{
QFETCH(bool, lhsRcEnabled);
QFETCH(bool, rhsRcEnabled);
class OptionallyRcString
{
public:
explicit OptionallyRcString(bool rcEnabled, const QString& initText)
: m_rcEnabled{rcEnabled}
, m_initText{initText}
, m_notRefCounted{m_initText}
, m_refCountedData{}
, m_rcEnabler{m_refCountedData, sizeof(IndexedString)}
, m_string{m_rcEnabled ? new (m_refCountedData) IndexedString(m_initText) : &m_notRefCounted}
{
QCOMPARE(m_string->str(), m_initText);
}
~OptionallyRcString()
{
if (m_rcEnabled) {
m_string->~IndexedString();
}
}
const QString& initText() const { return m_initText; }
IndexedString& string() { return *m_string; }
private:
const bool m_rcEnabled;
const QString m_initText;
IndexedString m_notRefCounted;
std::byte m_refCountedData[sizeof(IndexedString)];
const DUChainReferenceCountingEnabler m_rcEnabler;
IndexedString* const m_string = nullptr;
};
OptionallyRcString lhs(lhsRcEnabled, QStringLiteral("1st text"));
OptionallyRcString rhs(rhsRcEnabled, QStringLiteral("another string"));
using std::swap;
swap(lhs.string(), rhs.string());
QCOMPARE(lhs.string().str(), rhs.initText());
QCOMPARE(rhs.string().str(), lhs.initText());
swap(lhs.string(), rhs.string());
QCOMPARE(lhs.string().str(), lhs.initText());
QCOMPARE(rhs.string().str(), rhs.initText());
}
void TestIndexedString::testSwap_data()
{
QTest::addColumn<bool>("lhsRcEnabled");
QTest::addColumn<bool>("rhsRcEnabled");
QTest::newRow("no reference counting") << false << false;
QTest::newRow("lhs reference-counted") << true << false;
QTest::newRow("rhs reference-counted") << false << true;
QTest::newRow("both reference-counted") << true << true;
}
void TestIndexedString::testCString()
{
IndexedString str(nullptr);
QCOMPARE(str.index(), 0u);
QVERIFY(str.isEmpty());
}
#include "moc_test_indexedstring.cpp"
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