File indexing completed on 2024-04-21 14:55:17

 /* Copyright (c) 2005 Frerich Raabe <raabe@kde.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "ksharedptrtest.h"
 #include "ksharedptr.h"
 
 #include <QTest>
 
 QTEST_MAIN(KSharedPtrTest)
 
 class SharedString : public KShared
 {
 public:
     SharedString(const QString &data) : mStr(data) {}
     bool operator == (const SharedString &o) const
     {
         return mStr == o.mStr;
     }
     QString mStr;
 };
 
 void KSharedPtrTest::testWithStrings()
 {
     SharedString s = QString::fromLatin1("Hello");
     SharedString s2 = QString::fromLatin1("Foo");
     SharedString s3 = QString::fromLatin1("Bar");
 
     KSharedPtr<SharedString>u(new SharedString(s));
     QCOMPARE(*u, s);
     QVERIFY(u.isUnique());
 
     KSharedPtr<SharedString> v;
     QVERIFY(u.isUnique());
     QVERIFY(!v);
 
     v = u;
     QVERIFY(!u.isUnique());
     QCOMPARE(*v, s);
     QVERIFY(!v.isUnique());
 
     KSharedPtr<SharedString> w = v;
     QVERIFY(!u.isUnique());
     QCOMPARE(u.count(), 3);
     QVERIFY(!v.isUnique());
     QCOMPARE(v.count(), 3);
     QVERIFY(!w.isUnique());
     QCOMPARE(w.count(), 3);
 
 //  v->clear();
     v = nullptr;
     QVERIFY(u);
     QVERIFY(!u.isUnique());
     QCOMPARE(u.count(), 2);
     QVERIFY(!v);
     QVERIFY(!v.isUnique());
     QCOMPARE(*w, s);
     QVERIFY(!w.isUnique());
     QCOMPARE(w.count(), 2);
 
     u = v = w;
     QCOMPARE(*u, s);
     QVERIFY(!u.isUnique());
     QCOMPARE(*v, s);
     QVERIFY(!v.isUnique());
     QCOMPARE(*w, s);
     QVERIFY(!w.isUnique());
 
     u->mStr = s2.mStr;
     QCOMPARE(*u, s2);
     QVERIFY(!u.isUnique());
     QCOMPARE(*v, s2);
     QVERIFY(!v.isUnique());
 //  QCOMPARE( *w, s2 );
 //  QVERIFY( !w.isUnique() );
 }
 
 static int dtor_called = 0;
 class Base : public KShared
 {
 public:
     virtual ~Base()
     {
         ++dtor_called;
     }
 };
 
 void KSharedPtrTest::testDeletion()
 {
     dtor_called = 0;
     {
         Base *obj = new Base;
         KSharedPtr<Base> ptrBase(obj);
         QCOMPARE(ptrBase.data(), obj);
         QCOMPARE(dtor_called, 0);   // no dtor called yet
     }
     QCOMPARE(dtor_called, 1);
 }
 
 class Derived : public Base
 {
 public:
     Derived()
     {
         /*qDebug( "Derived created %p", (void*)this );*/
     }
     ~Derived() override
     {
         /*qDebug( "Derived deleted %p", (void*)this );*/
     }
 };
 
 void KSharedPtrTest::testDifferentTypes()
 {
     dtor_called = 0;
     {
         Derived *obj = new Derived;
         KSharedPtr<Base> ptrBase(obj);
         // then we call some method that takes a KSharedPtr<Base> as argument
         // and there we downcast again:
         KSharedPtr<Derived> ptrDerived = KSharedPtr<Derived>::staticCast(ptrBase);
         QCOMPARE(dtor_called, 0);   // no dtor called yet
         QCOMPARE(ptrDerived.data(), obj);
 
         // now test assignment operator
         ptrDerived = KSharedPtr<Derived>::dynamicCast(ptrBase);
         QCOMPARE(dtor_called, 0);   // no dtor called yet
         QCOMPARE(ptrDerived.data(), obj);
     }
     QCOMPARE(dtor_called, 1);
 }
 
 void KSharedPtrTest::testOrdering()
 {
     Base *obj = new Base;
     KSharedPtr<Base> ptrBase(obj);
 
     Base *obj2 = new Base;
     KSharedPtr<Base> ptrBase2(obj2);
 
     QVERIFY(obj != obj2);
     QVERIFY(ptrBase != ptrBase2);
     QVERIFY(ptrBase < ptrBase2 || ptrBase2 < ptrBase);
 
     QMap<KSharedPtr<Base>, int> map;
     map.insert(ptrBase, 1);
     QVERIFY(map.contains(ptrBase));
     QVERIFY(!map.contains(ptrBase2));
     QCOMPARE(map.value(ptrBase, 0),  1);
     map.insert(ptrBase2, 2);
     QVERIFY(map.contains(ptrBase2));
     QCOMPARE(map.value(ptrBase2, 0),  2);
     QCOMPARE(map.count(), 2);
 }
 
 #include "moc_ksharedptrtest.cpp"