void tst_QPixmapCache::replace()
{
//The int part of the API
QPixmap p1(10, 10);
p1.fill(Qt::red);
QPixmap p2(10, 10);
p2.fill(Qt::yellow);
QPixmapCache::Key key = QPixmapCache::insert(p1);
QCOMPARE(getPrivate(key)->isValid, true);
QPixmap p3;
QVERIFY(QPixmapCache::find(key, &p3) == 1);
QPixmapCache::replace(key, p2);
QVERIFY(QPixmapCache::find(key, &p3) == 1);
QCOMPARE(getPrivate(key)->isValid, true);
QCOMPARE(getPrivate(key)->key, 1);
QCOMPARE(p3.width(), 10);
QCOMPARE(p3.height(), 10);
QCOMPARE(p3, p2);
//Broken keys
QCOMPARE(QPixmapCache::replace(QPixmapCache::Key(), p2), false);
}
void tst_QFileInfo::copy()
{
QTemporaryFile *t;
t = new QTemporaryFile;
t->open();
QFileInfo info(t->fileName());
QVERIFY(info.exists());
//copy constructor
QFileInfo info2(info);
QFileInfoPrivate *privateInfo = getPrivate(info);
QFileInfoPrivate *privateInfo2 = getPrivate(info2);
QCOMPARE(privateInfo->data, privateInfo2->data);
//operator =
QFileInfo info3 = info;
QFileInfoPrivate *privateInfo3 = getPrivate(info3);
QCOMPARE(privateInfo->data, privateInfo3->data);
QCOMPARE(privateInfo2->data, privateInfo3->data);
//refreshing info3 will detach it
QFile file(info.absoluteFilePath());
QVERIFY(file.open(QFile::WriteOnly));
QCOMPARE(file.write("JAJAJAA"), qint64(7));
file.flush();
QTest::qWait(250);
#if defined(Q_OS_WIN) || defined(Q_OS_WINCE)
if (QSysInfo::windowsVersion() & QSysInfo::WV_VISTA ||
QSysInfo::windowsVersion() & QSysInfo::WV_CE_based)
file.close();
#endif
#if defined(Q_OS_WINCE)
// On Windows CE we need to close the file.
// Otherwise the content will be cached and not
// flushed to the storage, although we flushed it
// manually!!! CE has interim cache, we cannot influence.
QTest::qWait(5000);
#endif
info3.refresh();
QVERIFY(privateInfo->data != privateInfo3->data);
QVERIFY(privateInfo2->data != privateInfo3->data);
QCOMPARE(privateInfo->data, privateInfo2->data);
}
void tst_QPixmapCache::clear()
{
QPixmap p1(10, 10);
p1.fill(Qt::red);
// Calcuate estimated num of items what fits to cache
int estimatedNum = (1024 * QPixmapCache::cacheLimit())
/ ((p1.width() * p1.height() * p1.depth()) / 8);
// Mare sure we will put enough items to reach the cache limit
const int numberOfKeys = estimatedNum + 1000;
for (int i = 0; i < numberOfKeys; ++i)
QVERIFY(QPixmapCache::find("x" + QString::number(i)) == 0);
for (int j = 0; j < numberOfKeys; ++j)
QPixmapCache::insert(QString::number(j), p1);
int num = 0;
for (int k = 0; k < numberOfKeys; ++k) {
if (QPixmapCache::find(QString::number(k), p1))
++num;
}
QVERIFY(num > 0);
QPixmapCache::clear();
for (int k = 0; k < numberOfKeys; ++k)
QVERIFY(QPixmapCache::find(QString::number(k)) == 0);
//The int part of the API
QPixmap p2(10, 10);
p2.fill(Qt::red);
QList<QPixmapCache::Key> keys;
for (int k = 0; k < numberOfKeys; ++k)
keys.append(QPixmapCache::insert(p2));
QPixmapCache::clear();
for (int k = 0; k < numberOfKeys; ++k) {
QVERIFY(QPixmapCache::find(keys.at(k), &p1) == 0);
QCOMPARE(getPrivate(keys[k])->isValid, false);
}
}
void tst_QPixmapCache::find()
{
QPixmap p1(10, 10);
p1.fill(Qt::red);
QVERIFY(QPixmapCache::insert("P1", p1));
QPixmap p2;
QVERIFY(QPixmapCache::find("P1", p2));
QCOMPARE(p2.width(), 10);
QCOMPARE(p2.height(), 10);
QCOMPARE(p1, p2);
// obsolete
QPixmap *p3 = QPixmapCache::find("P1");
QVERIFY(p3);
QCOMPARE(p1, *p3);
//The int part of the API
QPixmapCache::Key key = QPixmapCache::insert(p1);
QVERIFY(QPixmapCache::find(key, &p2));
QCOMPARE(p2.width(), 10);
QCOMPARE(p2.height(), 10);
QCOMPARE(p1, p2);
QPixmapCache::clear();
QPixmapCache::setCacheLimit(128);
QPixmap p4(10,10);
key = QPixmapCache::insert(p4);
p4.detach();
QPixmap p5(10,10);
QList<QPixmapCache::Key> keys;
for (int i = 0; i < 4000; ++i)
QPixmapCache::insert(p5);
//at that time the first key has been erase because no more place in the cache
QVERIFY(QPixmapCache::find(key, &p1) == 0);
QCOMPARE(getPrivate(key)->isValid, false);
}
void tst_QPixmapCache::pixmapKey()
{
QPixmapCache::Key key;
//Default constructed keys have no d pointer unless
//we use them
QVERIFY(!getPrivate(key));
//Let's put a d pointer
QPixmapCache::KeyData** keyd = getPrivateRef(key);
*keyd = new QPixmapCache::KeyData;
QCOMPARE(getPrivate(key)->ref, 1);
QPixmapCache::Key key2;
//Let's put a d pointer
QPixmapCache::KeyData** key2d = getPrivateRef(key2);
*key2d = new QPixmapCache::KeyData;
QCOMPARE(getPrivate(key2)->ref, 1);
key = key2;
QCOMPARE(getPrivate(key2)->ref, 2);
QCOMPARE(getPrivate(key)->ref, 2);
QPixmapCache::Key key3;
//Let's put a d pointer
QPixmapCache::KeyData** key3d = getPrivateRef(key3);
*key3d = new QPixmapCache::KeyData;
QPixmapCache::Key key4 = key3;
QCOMPARE(getPrivate(key3)->ref, 2);
QCOMPARE(getPrivate(key4)->ref, 2);
key4 = key;
QCOMPARE(getPrivate(key4)->ref, 3);
QCOMPARE(getPrivate(key3)->ref, 1);
QPixmapCache::Key key5(key3);
QCOMPARE(getPrivate(key3)->ref, 2);
QCOMPARE(getPrivate(key5)->ref, 2);
//let test default constructed keys
QPixmapCache::Key key6;
QVERIFY(!getPrivate(key6));
QPixmapCache::Key key7;
QVERIFY(!getPrivate(key7));
key6 = key7;
QVERIFY(!getPrivate(key6));
QVERIFY(!getPrivate(key7));
QPixmapCache::Key key8(key7);
QVERIFY(!getPrivate(key8));
}
void tst_QPixmapCache::remove()
{
QPixmap p1(10, 10);
p1.fill(Qt::red);
QPixmapCache::insert("red", p1);
p1.fill(Qt::yellow);
QPixmap p2;
QVERIFY(QPixmapCache::find("red", p2));
QVERIFY(p1.toImage() != p2.toImage());
QVERIFY(p1.toImage() == p1.toImage()); // sanity check
QPixmapCache::remove("red");
QVERIFY(QPixmapCache::find("red") == 0);
QPixmapCache::remove("red");
QVERIFY(QPixmapCache::find("red") == 0);
QPixmapCache::remove("green");
QVERIFY(QPixmapCache::find("green") == 0);
//The int part of the API
QPixmapCache::clear();
p1.fill(Qt::red);
QPixmapCache::Key key = QPixmapCache::insert(p1);
p1.fill(Qt::yellow);
QVERIFY(QPixmapCache::find(key, &p2));
QVERIFY(p1.toImage() != p2.toImage());
QVERIFY(p1.toImage() == p1.toImage()); // sanity check
QPixmapCache::remove(key);
QVERIFY(QPixmapCache::find(key, &p1) == 0);
//Broken key
QPixmapCache::remove(QPixmapCache::Key());
QVERIFY(QPixmapCache::find(QPixmapCache::Key(), &p1) == 0);
//Test if keys are release
QPixmapCache::clear();
key = QPixmapCache::insert(p1);
QCOMPARE(getPrivate(key)->key, 1);
QPixmapCache::remove(key);
key = QPixmapCache::insert(p1);
QCOMPARE(getPrivate(key)->key, 1);
//Test if pixmaps are correctly deleted
QPixmapCache::clear();
key = QPixmapCache::insert(p1);
QCOMPARE(getPrivate(key)->key, 1);
QVERIFY(QPixmapCache::find(key, &p1) != 0);
QPixmapCache::remove(key);
QCOMPARE(p1.isDetached(), true);
//We mix both part of the API
QPixmapCache::clear();
p1.fill(Qt::red);
QPixmapCache::insert("red", p1);
key = QPixmapCache::insert(p1);
QPixmapCache::remove(key);
QVERIFY(QPixmapCache::find(key, &p1) == 0);
QVERIFY(QPixmapCache::find("red") != 0);
}
void tst_QPixmapCache::setCacheLimit()
{
QPixmap *p1 = new QPixmap(2, 3);
QPixmapCache::insert("P1", *p1);
QVERIFY(QPixmapCache::find("P1") != 0);
delete p1;
QPixmapCache::setCacheLimit(0);
QVERIFY(QPixmapCache::find("P1") == 0);
p1 = new QPixmap(2, 3);
QPixmapCache::setCacheLimit(1000);
QPixmapCache::insert("P1", *p1);
QVERIFY(QPixmapCache::find("P1") != 0);
delete p1;
//The int part of the API
p1 = new QPixmap(2, 3);
QPixmapCache::Key key = QPixmapCache::insert(*p1);
QVERIFY(QPixmapCache::find(key, p1) != 0);
delete p1;
QPixmapCache::setCacheLimit(0);
QVERIFY(QPixmapCache::find(key, p1) == 0);
p1 = new QPixmap(2, 3);
QPixmapCache::setCacheLimit(1000);
QPixmapCache::replace(key, *p1);
QVERIFY(QPixmapCache::find(key, p1) == 0);
delete p1;
//Let check if keys are released when the pixmap cache is
//full or has been flushed.
QPixmapCache::clear();
p1 = new QPixmap(2, 3);
key = QPixmapCache::insert(*p1);
QVERIFY(QPixmapCache::find(key, p1) != 0);
QPixmapCache::setCacheLimit(0);
QVERIFY(QPixmapCache::find(key, p1) == 0);
QPixmapCache::setCacheLimit(1000);
key = QPixmapCache::insert(*p1);
QCOMPARE(getPrivate(key)->isValid, true);
QCOMPARE(getPrivate(key)->key, 1);
delete p1;
//Let check if removing old entries doesn't let you get
// wrong pixmaps
QPixmapCache::clear();
QPixmap p2;
p1 = new QPixmap(2, 3);
key = QPixmapCache::insert(*p1);
QVERIFY(QPixmapCache::find(key, &p2) != 0);
//we flush the cache
QPixmapCache::setCacheLimit(0);
QPixmapCache::setCacheLimit(1000);
QPixmapCache::Key key2 = QPixmapCache::insert(*p1);
QCOMPARE(getPrivate(key2)->key, 1);
QVERIFY(QPixmapCache::find(key, &p2) == 0);
QVERIFY(QPixmapCache::find(key2, &p2) != 0);
QCOMPARE(p2, *p1);
delete p1;
//Here we simulate the flushing when the app is idle
/*QPixmapCache::clear();
QPixmapCache::setCacheLimit(originalCacheLimit);
p1 = new QPixmap(300, 300);
key = QPixmapCache::insert(*p1);
QCOMPARE(getPrivate(key)->key, 1);
key2 = QPixmapCache::insert(*p1);
key2 = QPixmapCache::insert(*p1);
QPixmapCache::Key key3 = QPixmapCache::insert(*p1);
QTest::qWait(32000);
key2 = QPixmapCache::insert(*p1);
QCOMPARE(getPrivate(key2)->key, 1);
//This old key is not valid anymore after the flush
QCOMPARE(getPrivate(key)->isValid, false);
QVERIFY(QPixmapCache::find(key, &p2) == 0);
delete p1;*/
}
