1 files changed, 25 insertions, 0 deletions
diff --git a/tests/auto/qpixmapcache/tst_qpixmapcache.cpp b/tests/auto/qpixmapcache/tst_qpixmapcache.cpp
index 9f7192d..b36cf98 100644
--- a/tests/auto/qpixmapcache/tst_qpixmapcache.cpp
+++ b/tests/auto/qpixmapcache/tst_qpixmapcache.cpp
@@ -72,6 +72,7 @@ private slots:
     void clear();
     void pixmapKey();
     void noLeak();
+    void strictCacheLimit();
 };
 
 static QPixmapCache::KeyData* getPrivate(QPixmapCache::Key &key)
@@ -517,5 +518,29 @@ void tst_QPixmapCache::noLeak()
     QCOMPARE(oldSize, newSize);
 }
 
+
+void tst_QPixmapCache::strictCacheLimit()
+{
+    const int limit = 1024; // 1024 KB
+
+    QPixmapCache::clear();
+    QPixmapCache::setCacheLimit(limit);
+
+    // insert 200 64x64 pixmaps
+    // 3200 KB for 32-bit depths
+    // 1600 KB for 16-bit depths
+    // not counting the duplicate entries
+    for (int i = 0; i < 200; ++i) {
+        QPixmap pixmap(64, 64);
+        pixmap.fill(Qt::transparent);
+
+        QString id = QString::number(i);
+        QPixmapCache::insert(id + "-a", pixmap);
+        QPixmapCache::insert(id + "-b", pixmap);
+    }
+
+    QVERIFY(QPixmapCache::totalUsed() <= limit);
+}
+
 QTEST_MAIN(tst_QPixmapCache)
 #include "tst_qpixmapcache.moc"