tests/auto/qmap/tst_qmap.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qmap/tst_qmap.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,843 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#define QT_STRICT_ITERATORS
+
+#include <QtTest/QtTest>
+#include <QDebug>
+
+
+#include <qmap.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QMap : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QMap();
+
+public slots:
+    void init();
+private slots:
+    void count();
+    void clear();
+    void beginEnd();
+    void key();
+
+    void operator_eq();
+
+    void empty();
+    void contains();
+    void find();
+    void constFind();
+    void lowerUpperBound();
+    void mergeCompare();
+    void take();
+
+    void iterators();
+    void keys_values_uniqueKeys();
+    void qmultimap_specific();
+};
+
+tst_QMap::tst_QMap()
+{
+}
+
+typedef QMap<QString, QString> StringMap;
+
+class MyClass
+{
+public:
+    MyClass() {
+       ++count;
+//     qDebug("creating MyClass count=%d", count);
+    }
+    MyClass( const QString& c) {
+	count++; str = c;
+// 	qDebug("creating MyClass '%s' count = %d", str.latin1(), count);
+    }
+    ~MyClass() {
+	count--;
+// 	qDebug("deleting MyClass '%s' count = %d", str.latin1(), count);
+    }
+    MyClass( const MyClass& c ) {
+	count++; str = c.str;
+// 	qDebug("creating MyClass '%s' count = %d", str.latin1(), count);
+    }
+    MyClass &operator =(const MyClass &o) {
+// 	qDebug("copying MyClass '%s'", o.str.latin1());
+	str = o.str; return *this;
+    }
+
+    QString str;
+    static int count;
+};
+
+int MyClass::count = 0;
+
+typedef QMap<QString, MyClass> MyMap;
+
+void tst_QMap::init()
+{
+    MyClass::count = 0;
+}
+
+void tst_QMap::count()
+{
+    {
+	MyMap map;
+	MyMap map2( map );
+	QCOMPARE( map.count(), 0 );
+	QCOMPARE( map2.count(), 0 );
+	QCOMPARE( MyClass::count, int(0) );
+	// detach
+	map2["Hallo"] = MyClass( "Fritz" );
+	QCOMPARE( map.count(), 0 );
+        QCOMPARE( map2.count(), 1 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 1 );
+#endif
+    }
+    QCOMPARE( MyClass::count, int(0) );
+
+    {
+	typedef QMap<QString, MyClass> Map;
+	Map map;
+	QCOMPARE( map.count(), 0);
+	map.insert( "Torben", MyClass("Weis") );
+	QCOMPARE( map.count(), 1 );
+	map.insert( "Claudia", MyClass("Sorg") );
+	QCOMPARE( map.count(), 2 );
+	map.insert( "Lars", MyClass("Linzbach") );
+	map.insert( "Matthias", MyClass("Ettrich") );
+	map.insert( "Sue", MyClass("Paludo") );
+	map.insert( "Eirik", MyClass("Eng") );
+	map.insert( "Haavard", MyClass("Nord") );
+	map.insert( "Arnt", MyClass("Gulbrandsen") );
+	map.insert( "Paul", MyClass("Tvete") );
+	QCOMPARE( map.count(), 9 );
+	map.insert( "Paul", MyClass("Tvete 1") );
+	map.insert( "Paul", MyClass("Tvete 2") );
+	map.insert( "Paul", MyClass("Tvete 3") );
+	map.insert( "Paul", MyClass("Tvete 4") );
+	map.insert( "Paul", MyClass("Tvete 5") );
+	map.insert( "Paul", MyClass("Tvete 6") );
+
+	QCOMPARE( map.count(), 9 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 9 );
+#endif
+
+	Map map2( map );
+	QVERIFY( map2.count() == 9 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 9 );
+#endif
+
+	map2.insert( "Kay", MyClass("Roemer") );
+	QVERIFY( map2.count() == 10 );
+	QVERIFY( map.count() == 9 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 19 );
+#endif
+
+	map2 = map;
+	QVERIFY( map.count() == 9 );
+	QVERIFY( map2.count() == 9 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 9 );
+#endif
+
+	map2.insert( "Kay", MyClass("Roemer") );
+	QVERIFY( map2.count() == 10 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 19 );
+#endif
+
+	map2.clear();
+	QVERIFY( map.count() == 9 );
+	QVERIFY( map2.count() == 0 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 9 );
+#endif
+
+	map2 = map;
+	QVERIFY( map.count() == 9 );
+	QVERIFY( map2.count() == 9 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 9 );
+#endif
+
+	map2.clear();
+	QVERIFY( map.count() == 9 );
+	QVERIFY( map2.count() == 0 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 9 );
+#endif
+
+	map.remove( "Lars" );
+	QVERIFY( map.count() == 8 );
+	QVERIFY( map2.count() == 0 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 8 );
+#endif
+
+	map.remove( "Mist" );
+	QVERIFY( map.count() == 8 );
+	QVERIFY( map2.count() == 0 );
+#ifndef Q_CC_SUN
+	QCOMPARE( MyClass::count, 8 );
+#endif
+    }
+    QVERIFY( MyClass::count == 0 );
+
+    {
+	typedef QMap<QString,MyClass> Map;
+	Map map;
+	map["Torben"] = MyClass("Weis");
+#ifndef Q_CC_SUN
+	QVERIFY( MyClass::count == 1 );
+#endif
+	QVERIFY( map.count() == 1 );
+
+	(void)map["Torben"].str;
+	(void)map["Lars"].str;
+#ifndef Q_CC_SUN
+	QVERIFY( MyClass::count == 2 );
+#endif
+	QVERIFY( map.count() == 2 );
+
+	const Map& cmap = map;
+	(void)cmap["Depp"].str;
+#ifndef Q_CC_SUN
+	QVERIFY( MyClass::count == 2 );
+#endif
+	QVERIFY( map.count() == 2 );
+	QVERIFY( cmap.count() == 2 );
+    }
+    QCOMPARE( MyClass::count, 0 );
+    {
+	for ( int i = 0; i < 100; ++i )
+	{
+	    QMap<int, MyClass> map;
+	    for (int j = 0; j < i; ++j)
+		map.insert(j, MyClass(QString::number(j)));
+	}
+	QCOMPARE( MyClass::count, 0 );
+    }
+    QCOMPARE( MyClass::count, 0 );
+}
+
+void tst_QMap::clear()
+{
+    {
+	MyMap map;
+	map.clear();
+	QVERIFY( map.isEmpty() );
+	map.insert( "key", MyClass( "value" ) );
+	map.clear();
+	QVERIFY( map.isEmpty() );
+	map.insert( "key0", MyClass( "value0" ) );
+	map.insert( "key0", MyClass( "value1" ) );
+	map.insert( "key1", MyClass( "value2" ) );
+	map.clear();
+	QVERIFY( map.isEmpty() );
+    }
+    QCOMPARE( MyClass::count, int(0) );
+}
+
+void tst_QMap::beginEnd()
+{
+    StringMap m0;
+    QVERIFY( m0.begin() == m0.end() );
+    QVERIFY( m0.begin() == m0.begin() );
+
+    // sample string->string map
+    StringMap map;
+    QVERIFY( map.constBegin() == map.constEnd() );
+    map.insert( "0", "a" );
+    map.insert( "1", "b" );
+
+    // make a copy. const function shouldn't detach
+    StringMap map2 = map;
+    QVERIFY( map.constBegin() == map2.constBegin() );
+    QVERIFY( map.constEnd() == map2.constEnd() );
+
+    // test iteration
+    QString result;
+    for ( StringMap::ConstIterator it = map.constBegin();
+	  it != map.constEnd(); ++it )
+	result += *it;
+    QCOMPARE( result, QString( "ab" ) );
+
+    // maps should still be identical
+    QVERIFY( map.constBegin() == map2.constBegin() );
+    QVERIFY( map.constEnd() == map2.constEnd() );
+
+    // detach
+    map2.insert( "2", "c" );
+    QVERIFY( map.constBegin() == map.constBegin() );
+    QVERIFY( map.constBegin() != map2.constBegin() );
+}
+
+void tst_QMap::key()
+{
+    {
+        QString def("default value");
+
+        QMap<QString, int> map1;
+        QCOMPARE(map1.key(1), QString());
+        QCOMPARE(map1.key(1, def), def);
+
+        map1.insert("one", 1);
+        QCOMPARE(map1.key(1), QString("one"));
+        QCOMPARE(map1.key(1, def), QString("one"));
+        QCOMPARE(map1.key(2), QString());
+        QCOMPARE(map1.key(2, def), def);
+
+        map1.insert("two", 2);
+        QCOMPARE(map1.key(1), QString("one"));
+        QCOMPARE(map1.key(1, def), QString("one"));
+        QCOMPARE(map1.key(2), QString("two"));
+        QCOMPARE(map1.key(2, def), QString("two"));
+        QCOMPARE(map1.key(3), QString());
+        QCOMPARE(map1.key(3, def), def);
+
+        map1.insert("deux", 2);
+        QCOMPARE(map1.key(1), QString("one"));
+        QCOMPARE(map1.key(1, def), QString("one"));
+        QVERIFY(map1.key(2) == "deux" || map1.key(2) == "two");
+        QVERIFY(map1.key(2, def) == "deux" || map1.key(2, def) == "two");
+        QCOMPARE(map1.key(3), QString());
+        QCOMPARE(map1.key(3, def), def);
+    }
+
+    {
+        int def = 666;
+
+        QMap<int, QString> map2;
+        QCOMPARE(map2.key("one"), 0);
+        QCOMPARE(map2.key("one", def), def);
+
+        map2.insert(1, "one");
+        QCOMPARE(map2.key("one"), 1);
+        QCOMPARE(map2.key("one", def), 1);
+        QCOMPARE(map2.key("two"), 0);
+        QCOMPARE(map2.key("two", def), def);
+
+        map2.insert(2, "two");
+        QCOMPARE(map2.key("one"), 1);
+        QCOMPARE(map2.key("one", def), 1);
+        QCOMPARE(map2.key("two"), 2);
+        QCOMPARE(map2.key("two", def), 2);
+        QCOMPARE(map2.key("three"), 0);
+        QCOMPARE(map2.key("three", def), def);
+
+        map2.insert(3, "two");
+        QCOMPARE(map2.key("one"), 1);
+        QCOMPARE(map2.key("one", def), 1);
+        QCOMPARE(map2.key("two"), 2);
+        QCOMPARE(map2.key("two", def), 2);
+        QCOMPARE(map2.key("three"), 0);
+        QCOMPARE(map2.key("three", def), def);
+
+        map2.insert(-1, "two");
+        QCOMPARE(map2.key("two"), -1);
+        QCOMPARE(map2.key("two", def), -1);
+
+        map2.insert(0, "zero");
+        QCOMPARE(map2.key("zero"), 0);
+        QCOMPARE(map2.key("zero", def), 0);
+    }
+}
+
+void tst_QMap::operator_eq()
+{
+    {
+        // compare for equality:
+        QMap<int, int> a;
+        QMap<int, int> b;
+
+        QVERIFY(a == b);
+        QVERIFY(!(a != b));
+
+        a.insert(1,1);
+        b.insert(1,1);
+        QVERIFY(a == b);
+        QVERIFY(!(a != b));
+
+        a.insert(0,1);
+        b.insert(0,1);
+        QVERIFY(a == b);
+        QVERIFY(!(a != b));
+
+        // compare for inequality:
+        a.insert(42,0);
+        QVERIFY(a != b);
+        QVERIFY(!(a == b));
+
+        a.insert(65, -1);
+        QVERIFY(a != b);
+        QVERIFY(!(a == b));
+
+        b.insert(-1, -1);
+        QVERIFY(a != b);
+        QVERIFY(!(a == b));
+    }
+
+    {
+        // a more complex map
+        QMap<QString, QString> a;
+        QMap<QString, QString> b;
+
+        QVERIFY(a == b);
+        QVERIFY(!(a != b));
+
+        a.insert("Hello", "World");
+        QVERIFY(a != b);
+        QVERIFY(!(a == b));
+
+        b.insert("Hello", "World");
+        QVERIFY(a == b);
+        QVERIFY(!(a != b));
+
+        a.insert("Goodbye", "cruel world");
+        QVERIFY(a != b);
+        QVERIFY(!(a == b));
+
+        b.insert("Goodbye", "cruel world");
+
+        // what happens if we insert nulls?
+        a.insert(QString(), QString());
+        QVERIFY(a != b);
+        QVERIFY(!(a == b));
+
+        // empty keys and null keys match:
+        b.insert(QString(""), QString());
+        QVERIFY(a == b);
+        QVERIFY(!(a != b));
+    }
+
+    {
+        // task 102658
+
+        QMap<QString, int> a;
+        QMap<QString, int> b;
+
+        a.insert("otto", 1);
+        b.insert("willy", 1);
+        QVERIFY(a != b);
+        QVERIFY(!(a == b));
+    }
+}
+
+void tst_QMap::empty()
+{
+    QMap<int, QString> map1;
+
+    QVERIFY(map1.isEmpty());
+
+    map1.insert(1, "one");
+    QVERIFY(!map1.isEmpty());
+
+    map1.clear();
+    QVERIFY(map1.isEmpty());
+
+}
+
+void tst_QMap::contains()
+{
+    QMap<int, QString> map1;
+    int i;
+
+    map1.insert(1, "one");
+    QVERIFY(map1.contains(1));
+
+    for(i=2; i < 100; ++i)
+        map1.insert(i, "teststring");
+    for(i=99; i > 1; --i)
+        QVERIFY(map1.contains(i));
+
+    map1.remove(43);
+    QVERIFY(!map1.contains(43));
+}
+
+void tst_QMap::find()
+{
+    QMap<int, QString> map1;
+    QString testString="Teststring %0";
+    QString compareString;
+    int i,count=0;
+
+    QVERIFY(map1.find(1) == map1.end());
+
+    map1.insert(1,"Mensch");
+    map1.insert(1,"Mayer");
+    map1.insert(2,"Hej");
+
+    QVERIFY(map1.find(1).value() == "Mayer");
+    QVERIFY(map1.find(2).value() == "Hej");
+
+    for(i = 3; i < 10; ++i) {
+        compareString = testString.arg(i);
+        map1.insertMulti(4, compareString);
+    }
+
+    QMap<int, QString>::const_iterator it=map1.constFind(4);
+
+    for(i = 9; i > 2 && it != map1.constEnd() && it.key() == 4; --i) {
+        compareString = testString.arg(i);
+        QVERIFY(it.value() == compareString);
+        ++it;
+        ++count;
+    }
+    QCOMPARE(count, 7);
+}
+
+void tst_QMap::constFind()
+{
+    QMap<int, QString> map1;
+    QString testString="Teststring %0";
+    QString compareString;
+    int i,count=0;
+
+    QVERIFY(map1.constFind(1) == map1.constEnd());
+
+    map1.insert(1,"Mensch");
+    map1.insert(1,"Mayer");
+    map1.insert(2,"Hej");
+
+    QVERIFY(map1.constFind(4) == map1.constEnd());
+
+    QVERIFY(map1.constFind(1).value() == "Mayer");
+    QVERIFY(map1.constFind(2).value() == "Hej");
+
+    for(i = 3; i < 10; ++i) {
+        compareString = testString.arg(i);
+        map1.insertMulti(4, compareString);
+    }
+
+    QMap<int, QString>::const_iterator it=map1.constFind(4);
+
+    for(i = 9; i > 2 && it != map1.constEnd() && it.key() == 4; --i) {
+        compareString = testString.arg(i);
+        QVERIFY(it.value() == compareString);
+        ++it;
+        ++count;
+    }
+    QCOMPARE(count, 7);
+}
+
+void tst_QMap::lowerUpperBound()
+{
+    QMap<int, QString> map1;
+
+    map1.insert(1, "one");
+    map1.insert(5, "five");
+    map1.insert(10, "ten");
+
+
+    //Copied from documentation
+
+    QCOMPARE(map1.upperBound(0).key(), 1);      // returns iterator to (1, "one")
+    QCOMPARE(map1.upperBound(1).key(), 5);      // returns iterator to (5, "five")
+    QCOMPARE(map1.upperBound(2).key(), 5);      // returns iterator to (5, "five")
+    QVERIFY(map1.upperBound(10) == map1.end());     // returns end()
+    QVERIFY(map1.upperBound(999) == map1.end());    // returns end()
+
+    QCOMPARE(map1.lowerBound(0).key(), 1);      // returns iterator to (1, "one")
+    QCOMPARE(map1.lowerBound(1).key(), 1);      // returns iterator to (1, "one")
+    QCOMPARE(map1.lowerBound(2).key(), 5);      // returns iterator to (5, "five")
+    QCOMPARE(map1.lowerBound(10).key(), 10);     // returns iterator to (10, "ten")
+    QVERIFY(map1.lowerBound(999) == map1.end());    // returns end()
+}
+
+void tst_QMap::mergeCompare()
+{
+    QMap<int, QString> map1, map2, map3;
+
+    map1.insert(1,"ett");
+    map1.insert(3,"tre");
+    map1.insert(5,"fem");
+
+    map2.insert(2,"tvo");
+    map2.insert(4,"fyra");
+
+    map1.unite(map2);
+
+    QVERIFY(map1.value(1) == "ett");
+    QVERIFY(map1.value(2) == "tvo");
+    QVERIFY(map1.value(3) == "tre");
+    QVERIFY(map1.value(4) == "fyra");
+    QVERIFY(map1.value(5) == "fem");
+
+    map3.insert(1, "ett");
+    map3.insert(2, "tvo");
+    map3.insert(3, "tre");
+    map3.insert(4, "fyra");
+    map3.insert(5, "fem");
+
+    QVERIFY(map1 == map3);
+}
+
+void tst_QMap::take()
+{
+    QMap<int, QString> map;
+
+    map.insert(2, "zwei");
+    map.insert(3, "drei");
+
+    QVERIFY(map.take(3) == "drei");
+    QVERIFY(!map.contains(3));
+}
+
+void tst_QMap::iterators()
+{
+    QMap<int, QString> map;
+    QString testString="Teststring %1";
+    int i;
+
+    for(i = 1; i < 100; ++i)
+        map.insert(i, testString.arg(i));
+
+    //STL-Style iterators
+
+    QMap<int, QString>::iterator stlIt = map.begin();
+    QVERIFY(stlIt.value() == "Teststring 1");
+
+    stlIt+=5;
+    QVERIFY(stlIt.value() == "Teststring 6");
+
+    stlIt++;
+    QVERIFY(stlIt.value() == "Teststring 7");
+
+    stlIt-=3;
+    QVERIFY(stlIt.value() == "Teststring 4");
+
+    stlIt--;
+    QVERIFY(stlIt.value() == "Teststring 3");
+
+    for(stlIt = map.begin(), i = 1; stlIt != map.end(), i < 100; ++stlIt, ++i)
+            QVERIFY(stlIt.value() == testString.arg(i));
+
+    //STL-Style const-iterators
+
+    QMap<int, QString>::const_iterator cstlIt = map.constBegin();
+    QVERIFY(cstlIt.value() == "Teststring 1");
+
+    cstlIt+=5;
+    QVERIFY(cstlIt.value() == "Teststring 6");
+
+    cstlIt++;
+    QVERIFY(cstlIt.value() == "Teststring 7");
+
+    cstlIt-=3;
+    QVERIFY(cstlIt.value() == "Teststring 4");
+
+    cstlIt--;
+    QVERIFY(cstlIt.value() == "Teststring 3");
+
+    for(cstlIt = map.constBegin(), i = 1; cstlIt != map.constEnd(), i < 100; ++cstlIt, ++i)
+            QVERIFY(cstlIt.value() == testString.arg(i));
+
+    //Java-Style iterators
+
+    QMapIterator<int, QString> javaIt(map);
+
+    i = 0;
+    while(javaIt.hasNext()) {
+        ++i;
+        javaIt.next();
+        QVERIFY(javaIt.value() == testString.arg(i));
+    }
+
+    ++i;
+    while(javaIt.hasPrevious()) {
+        --i;
+        javaIt.previous();
+        QVERIFY(javaIt.value() == testString.arg(i));
+    }
+
+    /*
+        I've removed findNextKey() and findPreviousKey() from the API
+        for Qt 4.0 beta 1.
+    */
+
+#if 0
+    QVERIFY(javaIt.findNextKey(50));
+    QVERIFY(javaIt.value() == "Teststring 50");
+#endif
+
+    i = 51;
+    while(javaIt.hasPrevious()) {
+        --i;
+        javaIt.previous();
+        QVERIFY(javaIt.value() == testString.arg(i));
+    }
+
+#if 0
+    QVERIFY(javaIt.findNextKey(50));
+    QVERIFY(javaIt.value() == "Teststring 50");
+
+    QVERIFY(javaIt.hasPrevious());
+    QVERIFY(javaIt.findPreviousKey(20));
+    QCOMPARE(javaIt.value(), QString("Teststring 20"));
+#endif
+}
+
+void tst_QMap::keys_values_uniqueKeys()
+{
+    QMap<QString, int> map;
+    QVERIFY(map.uniqueKeys().isEmpty());
+    QVERIFY(map.keys().isEmpty());
+    QVERIFY(map.values().isEmpty());
+
+    map.insertMulti("alpha", 1);
+    QVERIFY(map.keys() == (QList<QString>() << "alpha"));
+    QVERIFY(map.uniqueKeys() == map.keys());
+    QVERIFY(map.values() == (QList<int>() << 1));
+
+    map.insertMulti("beta", -2);
+    QVERIFY(map.keys() == (QList<QString>() << "alpha" << "beta"));
+    QVERIFY(map.keys() == map.uniqueKeys());
+    QVERIFY(map.values() == (QList<int>() << 1 << -2));
+
+    map.insertMulti("alpha", 2);
+    QVERIFY(map.uniqueKeys() == (QList<QString>() << "alpha" << "beta"));
+    QVERIFY(map.keys() == (QList<QString>() << "alpha" << "alpha" << "beta"));
+    QVERIFY(map.values() == (QList<int>() << 2 << 1 << -2));
+
+    map.insertMulti("beta", 4);
+    QVERIFY(map.uniqueKeys() == (QList<QString>() << "alpha" << "beta"));
+    QVERIFY(map.keys() == (QList<QString>() << "alpha" << "alpha" << "beta" << "beta"));
+    QVERIFY(map.values() == (QList<int>() << 2 << 1 << 4 << -2));
+}
+
+void tst_QMap::qmultimap_specific()
+{
+    QMultiMap<int, int> map1;
+    for (int i = 1; i <= 9; ++i) {
+        for (int j = 1; j <= i; ++j) {
+            int k = i * 10 + j;
+            QVERIFY(!map1.contains(i, k));
+            map1.insert(i, k);
+            QVERIFY(map1.contains(i, k));
+        }
+    }
+
+    for (int i = 1; i <= 9; ++i) {
+        for (int j = 1; j <= i; ++j) {
+            int k = i * 10 + j;
+            QVERIFY(map1.contains(i, k));
+        }
+    }
+
+    QVERIFY(map1.contains(9, 99));
+    QCOMPARE(map1.count(), 45);
+    map1.remove(9, 99);
+    QVERIFY(!map1.contains(9, 99));
+    QCOMPARE(map1.count(), 44);
+
+    map1.remove(9, 99);
+    QVERIFY(!map1.contains(9, 99));
+    QCOMPARE(map1.count(), 44);
+
+    map1.remove(1, 99);
+    QCOMPARE(map1.count(), 44);
+
+    map1.insert(1, 99);
+    map1.insert(1, 99);
+
+    QCOMPARE(map1.count(), 46);
+    map1.remove(1, 99);
+    QCOMPARE(map1.count(), 44);
+    map1.remove(1, 99);
+    QCOMPARE(map1.count(), 44);
+
+    {
+    QMultiMap<int, int>::const_iterator i = map1.constFind(1, 11);
+    QVERIFY(i.key() == 1);
+    QVERIFY(i.value() == 11);
+
+    i = map1.constFind(2, 22);
+    QVERIFY(i.key() == 2);
+    QVERIFY(i.value() == 22);
+
+    i = map1.constFind(9, 98);
+    QVERIFY(i.key() == 9);
+    QVERIFY(i.value() == 98);
+    }
+
+    {
+    const QMultiMap<int, int> map2(map1);
+    QMultiMap<int, int>::const_iterator i = map2.find(1, 11);
+    QVERIFY(i.key() == 1);
+    QVERIFY(i.value() == 11);
+
+    i = map2.find(2, 22);
+    QVERIFY(i.key() == 2);
+    QVERIFY(i.value() == 22);
+
+    i = map2.find(9, 98);
+    QVERIFY(i.key() == 9);
+    QVERIFY(i.value() == 98);
+    }
+
+    {
+    QMultiMap<int, int>::iterator i = map1.find(1, 11);
+    QVERIFY(i.key() == 1);
+    QVERIFY(i.value() == 11);
+
+    i = map1.find(2, 22);
+    QVERIFY(i.key() == 2);
+    QVERIFY(i.value() == 22);
+
+    i = map1.find(9, 98);
+    QVERIFY(i.key() == 9);
+    QVERIFY(i.value() == 98);
+    }
+}
+
+QTEST_APPLESS_MAIN(tst_QMap)
+#include "tst_qmap.moc"