void tst_QCache::insert()
{
QCache<QString, Foo> cache;
Foo *f1 = new Foo;
cache.insert("one", f1, 1);
QVERIFY(cache.contains("one"));
Foo *f2 = new Foo;
cache.insert("two", f2, 2);
QVERIFY(cache.contains("two"));
QCOMPARE(cache.size(), 2);
Foo *f3 = new Foo;
cache.insert("two", f3, 2);
QVERIFY(cache.contains("two"));
QCOMPARE(cache.size(), 2);
QVERIFY(cache["two"] == f3);
QCOMPARE(Foo::count, 2);
/*
If the new item is too big, any item with the same name in
the cache must still be removed, otherwise the application
might get bad results.
*/
Foo *f4 = new Foo;
cache.insert("two", f4, 10000);
QVERIFY(!cache.contains("two"));
QCOMPARE(cache.size(), 1);
QCOMPARE(Foo::count, 1);
}
void tst_QCache::totalCost()
{
QCache<QString, int> cache;
QCOMPARE(cache.totalCost(), 0);
cache.insert("one", new int(1), 0);
QCOMPARE(cache.totalCost(), 0);
cache.insert("two", new int(2), 1);
QCOMPARE(cache.totalCost(), 1);
cache.insert("three", new int(3), 2);
QCOMPARE(cache.totalCost(), 3);
cache.insert("four", new int(4), 10000);
QCOMPARE(cache.totalCost(), 3);
QVERIFY(!cache.contains("four"));
cache.insert("five", new int(5), -5);
QCOMPARE(cache.totalCost(), -2);
cache.insert("six", new int(6), 101);
QCOMPARE(cache.totalCost(), -2);
cache.insert("seven", new int(7), 100);
QCOMPARE(cache.totalCost(), 98);
QCOMPARE(cache.size(), 5);
cache.insert("eight", new int(8), 2);
QCOMPARE(cache.totalCost(), 100);
QCOMPARE(cache.size(), 6);
}
QIcon get_file_icon(const QString& content_type) {
static QCache<QString, QIcon> cache;
cache.setMaxCost(100);
if (cache.contains(content_type)) return QIcon(*(cache.object(content_type)));
QByteArray ba = content_type.toLocal8Bit();
GIcon* gicon = g_content_type_get_icon(ba.constData());
QStringList tried_names;
if (G_IS_THEMED_ICON(gicon)) {
const gchar * const * names = g_themed_icon_get_names(reinterpret_cast<GThemedIcon*>(gicon));
if (names != 0) {
int i = 0;
while(names[i] != 0) {
QString name = QString::fromLocal8Bit(names[i]);
QIcon r = QIcon::fromTheme(name);
if (r.isNull()) {
tried_names << name;
} else {
cache.insert(content_type, new QIcon(r));
g_object_unref(gicon);
return r;
}
i++;
}
} else {
qDebug() << "get_file_icon: empty or invalid result of g_themed_icon_get_names";
}
} else {
qDebug() << "get_file_icon: gicon is not themed icon";
}
qDebug() << "get_file_icon(" << content_type << "): no valid names" << tried_names << "; returning null icon";
cache.insert(content_type, new QIcon());
g_object_unref(gicon);
return QIcon();
}
void tst_QCache::axioms_on_key_type()
{
QCache<KeyType, ValueType> foo;
foo.setMaxCost(1);
foo.clear();
foo.insert(KeyType(123), new ValueType(123));
foo.object(KeyType(123));
foo.contains(KeyType(456));
foo[KeyType(456)];
foo.remove(KeyType(456));
foo.remove(KeyType(123));
foo.take(KeyType(789));
// If this fails, contact the maintaner
QVERIFY(sizeof(QHash<int, int>) == sizeof(void *));
}
QString DateStringBuilder::getShortDate(const KDateTime &dateTime)
{
if (!dateTime.isValid() || dateTime.isNull()) {
return QString();
}
QDate currentDate = QDateTime().currentDateTime().date();
if (currentDate.weekNumber() == dateTime.date().weekNumber() || currentDate.addDays(1) == dateTime.date()) { //this week or tomorrow (i.e. on sunday)
return getDayName(dateTime);
}
if (currentDate.year() == dateTime.date().year()) { //this year
//Micro optimization because this function showed up as hotspot
static QCache<uint, QString> cache;
uint hash = dateTime.date().month() ^ dateTime.date().day();
if (!cache.contains(hash)) {
cache.insert(hash, new QString(dateTime.toString("%d.%m")));
}
return *cache[hash];
}
return dateTime.toString("%d.%m.%Y");
}
void tst_QCache::contains()
{
QCache<int, int> cache;
QVERIFY(!cache.contains(0));
QVERIFY(!cache.contains(1));
cache.insert(1, new int(1), 1);
QVERIFY(!cache.contains(0));
QVERIFY(cache.contains(1));
cache.remove(0);
cache.remove(1);
QVERIFY(!cache.contains(0));
QVERIFY(!cache.contains(1));
cache.insert(1, new int(1), 1);
QVERIFY(!cache.contains(0));
QVERIFY(cache.contains(1));
cache.clear();
QVERIFY(!cache.contains(0));
QVERIFY(!cache.contains(1));
}
bool QGLBlurTextureCache::hasBlurTextureInfo(quint64 cacheKey) const
{
return cache.contains(cacheKey);
}
