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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qtest.h>
#include <private/qv4compileddata_p.h>
#include <QQmlComponent>
#include <QQmlEngine>
#include <QThread>
class tst_qmldiskcache: public QObject
{
Q_OBJECT
private slots:
void initTestCase();
void regenerateAfterChange();
void registerImportForImplicitComponent();
};
struct TestCompiler
{
TestCompiler(QQmlEngine *engine)
: engine(engine)
, tempDir()
, testFilePath(tempDir.path() + QStringLiteral("/test.qml"))
, cacheFilePath(tempDir.path() + QStringLiteral("/test.qmlc"))
, mappedFile(cacheFilePath)
, currentMapping(nullptr)
{
}
bool compile(const QByteArray &contents)
{
if (currentMapping) {
mappedFile.unmap(currentMapping);
currentMapping = nullptr;
}
mappedFile.close();
// Qt API limits the precision of QFileInfo::modificationTime() to seconds, so to ensure that
// the newly written file has a modification date newer than an existing cache file, we must
// wait.
QThread::sleep(1);
{
QFile f(testFilePath);
if (!f.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
lastErrorString = f.errorString();
return false;
}
if (f.write(contents) != contents.size()) {
lastErrorString = f.errorString();
return false;
}
}
QQmlComponent component(engine, testFilePath);
if (!component.isReady()) {
lastErrorString = component.errorString();
return false;
}
return true;
}
const QV4::CompiledData::Unit *mapUnit()
{
if (!mappedFile.open(QIODevice::ReadOnly)) {
lastErrorString = mappedFile.errorString();
return nullptr;
}
currentMapping = mappedFile.map(/*offset*/0, mappedFile.size());
if (!currentMapping) {
lastErrorString = mappedFile.errorString();
return nullptr;
}
QV4::CompiledData::Unit *unitPtr;
memcpy(&unitPtr, ¤tMapping, sizeof(unitPtr));
return unitPtr;
}
QQmlEngine *engine;
const QTemporaryDir tempDir;
const QString testFilePath;
const QString cacheFilePath;
QString lastErrorString;
QFile mappedFile;
uchar *currentMapping;
};
void tst_qmldiskcache::initTestCase()
{
qputenv("QML_DISK_CACHE", "1");
}
void tst_qmldiskcache::regenerateAfterChange()
{
QQmlEngine engine;
TestCompiler testCompiler(&engine);
QVERIFY(testCompiler.tempDir.isValid());
const QByteArray contents = QByteArrayLiteral("import QtQml 2.0\n"
"QtObject {\n"
" property string blah: Qt.platform;\n"
"}");
QVERIFY2(testCompiler.compile(contents), qPrintable(testCompiler.lastErrorString));
{
const QV4::CompiledData::Unit *testUnit = testCompiler.mapUnit();
QVERIFY2(testUnit, qPrintable(testCompiler.lastErrorString));
QCOMPARE(quint32(testUnit->nObjects), quint32(1));
const QV4::CompiledData::Object *obj = testUnit->objectAt(0);
QCOMPARE(quint32(obj->nBindings), quint32(1));
QCOMPARE(quint32(obj->bindingTable()->type), quint32(QV4::CompiledData::Binding::Type_Script));
QCOMPARE(quint32(obj->bindingTable()->value.compiledScriptIndex), quint32(1));
QCOMPARE(quint32(testUnit->functionTableSize), quint32(2));
const QV4::CompiledData::Function *bindingFunction = testUnit->functionAt(1);
QVERIFY(bindingFunction->codeOffset > testUnit->unitSize);
}
engine.clearComponentCache();
{
const QByteArray newContents = QByteArrayLiteral("import QtQml 2.0\n"
"QtObject {\n"
" property string blah: Qt.platform;\n"
" property int secondProperty: 42;\n"
"}");
QVERIFY2(testCompiler.compile(newContents), qPrintable(testCompiler.lastErrorString));
const QV4::CompiledData::Unit *testUnit = testCompiler.mapUnit();
QVERIFY2(testUnit, qPrintable(testCompiler.lastErrorString));
QCOMPARE(quint32(testUnit->nObjects), quint32(1));
const QV4::CompiledData::Object *obj = testUnit->objectAt(0);
QCOMPARE(quint32(obj->nBindings), quint32(2));
QCOMPARE(quint32(obj->bindingTable()->type), quint32(QV4::CompiledData::Binding::Type_Number));
QCOMPARE(obj->bindingTable()->valueAsNumber(), double(42));
QCOMPARE(quint32(testUnit->functionTableSize), quint32(2));
const QV4::CompiledData::Function *bindingFunction = testUnit->functionAt(1);
QVERIFY(bindingFunction->codeOffset > testUnit->unitSize);
}
}
void tst_qmldiskcache::registerImportForImplicitComponent()
{
QQmlEngine engine;
TestCompiler testCompiler(&engine);
QVERIFY(testCompiler.tempDir.isValid());
const QByteArray contents = QByteArrayLiteral("import QtQuick 2.0\n"
"Loader {\n"
" sourceComponent: Item {}\n"
"}");
QVERIFY2(testCompiler.compile(contents), qPrintable(testCompiler.lastErrorString));
{
const QV4::CompiledData::Unit *testUnit = testCompiler.mapUnit();
QVERIFY2(testUnit, qPrintable(testCompiler.lastErrorString));
QCOMPARE(quint32(testUnit->nImports), quint32(2));
QCOMPARE(testUnit->stringAt(testUnit->importAt(0)->uriIndex), QStringLiteral("QtQuick"));
QQmlType *componentType = QQmlMetaType::qmlType(&QQmlComponent::staticMetaObject);
QCOMPARE(testUnit->stringAt(testUnit->importAt(1)->uriIndex), QString(componentType->module()));
QCOMPARE(testUnit->stringAt(testUnit->importAt(1)->qualifierIndex), QStringLiteral("QmlInternals"));
QCOMPARE(quint32(testUnit->nObjects), quint32(3));
const QV4::CompiledData::Object *obj = testUnit->objectAt(0);
QCOMPARE(quint32(obj->nBindings), quint32(1));
QCOMPARE(quint32(obj->bindingTable()->type), quint32(QV4::CompiledData::Binding::Type_Object));
const QV4::CompiledData::Object *implicitComponent = testUnit->objectAt(obj->bindingTable()->value.objectIndex);
QCOMPARE(testUnit->stringAt(implicitComponent->inheritedTypeNameIndex), QStringLiteral("QmlInternals.") + componentType->elementName());
}
}
QTEST_MAIN(tst_qmldiskcache)
#include "tst_qmldiskcache.moc"
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