QMap: extend unit tests

Extend tests to explicitly check the behavior of empty
default-constructed container.
Also add some missing tests to increase the code coverage.

Task-number: QTBUG-91736
Pick-to: 6.2 6.1
Change-Id: I5b418265fc7cb3e56e44782be7704d642923a8e9
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
This commit is contained in:
Ivan Solovev 2021-07-08 19:02:02 +02:00
parent 85eaae36f6
commit 935861e91a

View File

@ -47,6 +47,7 @@ private slots:
void beginEnd();
void firstLast();
void key();
void value();
void swap();
@ -61,8 +62,10 @@ private slots:
void take();
void iterators();
void iteratorsInEmptyMap();
void keyIterator();
void keyValueIterator();
void keyValueIteratorInEmptyMap();
void keys_values_uniqueKeys();
void qmultimap_specific();
@ -78,6 +81,7 @@ private slots:
void testInsertMultiWithHint();
void eraseValidIteratorOnSharedMap();
void removeElementsInMap();
void toStdMap();
};
struct IdentityTracker {
@ -179,10 +183,18 @@ void tst_QMap::count()
QCOMPARE( map.count(), 0 );
QCOMPARE( map2.count(), 0 );
QCOMPARE( MyClass::count, int(0) );
QCOMPARE(map.count("key"), 0);
QCOMPARE(map.size(), 0);
QCOMPARE(map2.size(), 0);
QVERIFY(!map.isDetached());
QVERIFY(!map2.isDetached());
// detach
map2["Hallo"] = MyClass( "Fritz" );
QCOMPARE( map.count(), 0 );
QCOMPARE( map.size(), 0 );
QCOMPARE( map2.count(), 1 );
QCOMPARE( map2.size(), 1 );
QVERIFY(!map.isDetached());
#ifndef Q_CC_SUN
QCOMPARE( MyClass::count, 1 );
#endif
@ -324,6 +336,7 @@ void tst_QMap::clear()
MyMap map;
map.clear();
QVERIFY( map.isEmpty() );
QVERIFY(!map.isDetached());
map.insert( "key", MyClass( "value" ) );
map.clear();
QVERIFY( map.isEmpty() );
@ -409,6 +422,7 @@ void tst_QMap::key()
QMap<QString, int> map1;
QCOMPARE(map1.key(1), QString());
QCOMPARE(map1.key(1, def), def);
QVERIFY(!map1.isDetached());
map1.insert("one", 1);
QCOMPARE(map1.key(1), QLatin1String("one"));
@ -439,6 +453,7 @@ void tst_QMap::key()
QMap<int, QString> map2;
QCOMPARE(map2.key("one"), 0);
QCOMPARE(map2.key("one", def), def);
QVERIFY(!map2.isDetached());
map2.insert(1, "one");
QCOMPARE(map2.key("one"), 1);
@ -472,6 +487,39 @@ void tst_QMap::key()
}
}
void tst_QMap::value()
{
const QString def = "default value";
QMap<int, QString> map;
QCOMPARE(map.value(1), QString());
QCOMPARE(map.value(1, def), def);
QVERIFY(!map.isDetached());
map.insert(1, "value1");
QCOMPARE(map.value(1), "value1");
QCOMPARE(map[1], "value1");
QCOMPARE(map.value(2), QString());
QCOMPARE(map.value(2, def), def);
QCOMPARE(map[2], QString());
QCOMPARE(map.size(), 2);
map.insert(2, "value2");
QCOMPARE(map.value(2), "value2");
QCOMPARE(map[2], "value2");
map.insert(1, "value3");
QCOMPARE(map.value(1), "value3");
QCOMPARE(map.value(1, def), "value3");
QCOMPARE(map[1], "value3");
const QMap<int, QString> constMap;
QVERIFY(!constMap.isDetached());
QCOMPARE(constMap.value(1, def), def);
QCOMPARE(constMap[1], QString());
QCOMPARE(constMap.size(), 0);
QVERIFY(!constMap.isDetached());
}
void tst_QMap::swap()
{
QMap<int,QString> m1, m2;
@ -567,13 +615,16 @@ void tst_QMap::empty()
QMap<int, QString> map1;
QVERIFY(map1.isEmpty());
QVERIFY(map1.empty());
QVERIFY(!map1.isDetached());
map1.insert(1, "one");
QVERIFY(!map1.isEmpty());
QVERIFY(!map1.empty());
map1.clear();
QVERIFY(map1.isEmpty());
QVERIFY(map1.empty());
}
void tst_QMap::contains()
@ -581,6 +632,9 @@ void tst_QMap::contains()
QMap<int, QString> map1;
int i;
QVERIFY(!map1.contains(1));
QVERIFY(!map1.isDetached());
map1.insert(1, "one");
QVERIFY(map1.contains(1));
@ -595,6 +649,25 @@ void tst_QMap::contains()
void tst_QMap::find()
{
{
const QMap<int, QString> constMap;
QCOMPARE(constMap.find(1), constMap.end());
QVERIFY(!constMap.isDetached());
QMap<int, QString> map;
QCOMPARE(map.find(1), map.end());
map.insert(1, "value1");
map.insert(2, "value2");
map.insert(5, "value5");
map.insert(1, "value0");
QCOMPARE(map.find(1).value(), u"value0");
QCOMPARE(map.find(5).value(), u"value5");
QCOMPARE(map.find(2).value(), u"value2");
QCOMPARE(map.find(4), map.end());
}
QMultiMap<int, QString> map1;
QString testString="Teststring %0";
QString compareString;
@ -628,6 +701,22 @@ void tst_QMap::find()
void tst_QMap::constFind()
{
{
QMap<int, QString> map;
QCOMPARE(map.constFind(1), map.constEnd());
QVERIFY(!map.isDetached());
map.insert(1, "value1");
map.insert(2, "value2");
map.insert(5, "value5");
map.insert(1, "value0");
QCOMPARE(map.constFind(1).value(), QLatin1String("value0"));
QCOMPARE(map.constFind(5).value(), QLatin1String("value5"));
QCOMPARE(map.constFind(2).value(), QLatin1String("value2"));
QCOMPARE(map.constFind(4), map.constEnd());
}
QMultiMap<int, QString> map1;
QString testString="Teststring %0";
QString compareString;
@ -662,6 +751,54 @@ void tst_QMap::constFind()
void tst_QMap::lowerUpperBound()
{
{
const QMap<int, QString> emptyConstMap;
QCOMPARE(emptyConstMap.lowerBound(1), emptyConstMap.constEnd());
QCOMPARE(emptyConstMap.upperBound(1), emptyConstMap.constEnd());
QVERIFY(!emptyConstMap.isDetached());
const QMap<int, QString> constMap { qMakePair(1, "one"),
qMakePair(5, "five"),
qMakePair(10, "ten") };
QCOMPARE(constMap.lowerBound(-1).key(), 1);
QCOMPARE(constMap.lowerBound(1).key(), 1);
QCOMPARE(constMap.lowerBound(3).key(), 5);
QCOMPARE(constMap.lowerBound(12), constMap.constEnd());
QCOMPARE(constMap.upperBound(-1).key(), 1);
QCOMPARE(constMap.upperBound(1).key(), 5);
QCOMPARE(constMap.upperBound(3).key(), 5);
QCOMPARE(constMap.upperBound(12), constMap.constEnd());
QMap<int, QString> map;
map.insert(1, "one");
map.insert(5, "five");
map.insert(10, "ten");
map.insert(3, "three");
map.insert(7, "seven");
QCOMPARE(map.lowerBound(0).key(), 1);
QCOMPARE(map.lowerBound(1).key(), 1);
QCOMPARE(map.lowerBound(2).key(), 3);
QCOMPARE(map.lowerBound(3).key(), 3);
QCOMPARE(map.lowerBound(4).key(), 5);
QCOMPARE(map.lowerBound(5).key(), 5);
QCOMPARE(map.lowerBound(6).key(), 7);
QCOMPARE(map.lowerBound(7).key(), 7);
QCOMPARE(map.lowerBound(10).key(), 10);
QCOMPARE(map.lowerBound(999), map.end());
QCOMPARE(map.upperBound(0).key(), 1);
QCOMPARE(map.upperBound(1).key(), 3);
QCOMPARE(map.upperBound(2).key(), 3);
QCOMPARE(map.upperBound(3).key(), 5);
QCOMPARE(map.upperBound(7).key(), 10);
QCOMPARE(map.upperBound(10), map.end());
QCOMPARE(map.upperBound(999), map.end());
}
QMultiMap<int, QString> map1;
map1.insert(1, "one");
@ -749,6 +886,8 @@ void tst_QMap::mergeCompare()
void tst_QMap::take()
{
QMap<int, QString> map;
QCOMPARE(map.take(1), QString());
QVERIFY(!map.isDetached());
map.insert(2, "zwei");
map.insert(3, "drei");
@ -834,14 +973,47 @@ void tst_QMap::iterators()
}
}
void tst_QMap::iteratorsInEmptyMap()
{
QMap<int, int> map;
using ConstIter = QMap<int, int>::const_iterator;
ConstIter it1 = map.cbegin();
ConstIter it2 = map.constBegin();
QVERIFY(it1 == it2 && it2 == ConstIter());
QVERIFY(!map.isDetached());
ConstIter it3 = map.cend();
ConstIter it4 = map.constEnd();
QVERIFY(it3 == it4 && it4 == ConstIter());
QVERIFY(!map.isDetached());
// to call const overloads of begin() and end()
const QMap<int, int> map2;
ConstIter it5 = map2.begin();
ConstIter it6 = map2.end();
QVERIFY(it5 == it6 && it6 == ConstIter());
QVERIFY(!map2.isDetached());
using Iter = QMap<int, int>::iterator;
Iter it7 = map.begin();
Iter it8 = map.end();
QVERIFY(it7 == it8);
}
void tst_QMap::keyIterator()
{
QMap<int, int> map;
using KeyIterator = QMap<int, int>::key_iterator;
KeyIterator it1 = map.keyBegin();
KeyIterator it2 = map.keyEnd();
QVERIFY(it1 == it2 && it2 == KeyIterator());
QVERIFY(!map.isDetached());
for (int i = 0; i < 100; ++i)
map.insert(i, i*100);
QMap<int, int>::key_iterator key_it = map.keyBegin();
KeyIterator key_it = map.keyBegin();
QMap<int, int>::const_iterator it = map.cbegin();
for (int i = 0; i < 100; ++i) {
QCOMPARE(*key_it, it.key());
@ -862,8 +1034,7 @@ void tst_QMap::keyIterator()
QCOMPARE(std::count(map.keyBegin(), map.keyEnd(), 99), 1);
// DefaultConstructible test
typedef QMap<int, int>::key_iterator keyIterator;
static_assert(std::is_default_constructible<keyIterator>::value);
static_assert(std::is_default_constructible<KeyIterator>::value);
}
void tst_QMap::keyValueIterator()
@ -925,8 +1096,61 @@ void tst_QMap::keyValueIterator()
QCOMPARE(std::count(map.constKeyValueBegin(), map.constKeyValueEnd(), entry_type(key, value)), 1);
}
void tst_QMap::keyValueIteratorInEmptyMap()
{
QMap<int, int> map;
using ConstKeyValueIter = QMap<int, int>::const_key_value_iterator;
ConstKeyValueIter it1 = map.constKeyValueBegin();
ConstKeyValueIter it2 = map.constKeyValueEnd();
QVERIFY(it1 == it2 && it2 == ConstKeyValueIter());
QVERIFY(!map.isDetached());
const QMap<int, int> map2;
ConstKeyValueIter it3 = map2.keyValueBegin();
ConstKeyValueIter it4 = map2.keyValueEnd();
QVERIFY(it3 == it4 && it4 == ConstKeyValueIter());
QVERIFY(!map2.isDetached());
using KeyValueIter = QMap<int, int>::key_value_iterator;
KeyValueIter it5 = map.keyValueBegin();
KeyValueIter it6 = map.keyValueEnd();
QVERIFY(it5 == it6);
}
void tst_QMap::keys_values_uniqueKeys()
{
{
QMap<QString, int> map;
QVERIFY(map.keys().isEmpty());
QVERIFY(map.keys(1).isEmpty());
QVERIFY(map.values().isEmpty());
QVERIFY(!map.isDetached());
map.insert("one", 1);
QCOMPARE(map.keys(), QStringList({ "one" }));
QCOMPARE(map.keys(1), QStringList({ "one" }));
QCOMPARE(map.values(), QList<int>({ 1 }));
map.insert("two", 2);
QCOMPARE(map.keys(), QStringList({ "one", "two" }));
QCOMPARE(map.keys(1), QStringList({ "one" }));
QCOMPARE(map.values(), QList<int>({ 1, 2 }));
map.insert("three", 2);
QCOMPARE(map.keys(), QStringList({ "one", "three", "two" }));
QCOMPARE(map.keys(2), QStringList({ "three", "two" }));
QCOMPARE(map.values(), QList<int>({ 1, 2, 2 }));
map.insert("one", 0);
QCOMPARE(map.keys(), QStringList({ "one", "three", "two" }));
QCOMPARE(map.keys(1), QStringList());
QCOMPARE(map.keys(0), QStringList({ "one" }));
QCOMPARE(map.keys(2), QStringList({ "three", "two" }));
QCOMPARE(map.values(), QList<int>({ 0, 2, 2 }));
}
QMultiMap<QString, int> map;
QVERIFY(map.keys().isEmpty());
QVERIFY(map.values().isEmpty());
@ -1073,6 +1297,33 @@ void tst_QMap::const_shared_null()
void tst_QMap::equal_range()
{
{
const QMap<int, QString> constMap;
QCOMPARE(constMap.equal_range(1), qMakePair(constMap.constEnd(), constMap.constEnd()));
QVERIFY(!constMap.isDetached());
QMap<int, QString> map;
QCOMPARE(map.equal_range(1), qMakePair(map.end(), map.end()));
map.insert(1, "value1");
map.insert(5, "value5");
map.insert(1, "value0");
auto pair = map.equal_range(1);
QCOMPARE(pair.first.value(), "value0");
QCOMPARE(pair.second.value(), "value5");
auto b = map.find(1);
auto e = map.find(5);
QCOMPARE(pair, qMakePair(b, e));
pair = map.equal_range(3);
QCOMPARE(pair.first.value(), "value5");
QCOMPARE(pair.second.value(), "value5");
QCOMPARE(pair, qMakePair(e, e));
QCOMPARE(map.equal_range(10), qMakePair(map.end(), map.end()));
}
QMultiMap<int, QString> map;
const QMultiMap<int, QString> &cmap = map;
@ -1302,6 +1553,18 @@ void testDetachWhenInsert()
void tst_QMap::insertMap()
{
{
QMap<int, int> map1;
QMap<int, int> map2;
QVERIFY(map1.isEmpty());
QVERIFY(map2.isEmpty());
map1.insert(map2);
QVERIFY(map1.isEmpty());
QVERIFY(map2.isEmpty());
QVERIFY(!map1.isDetached());
QVERIFY(!map2.isDetached());
}
{
QMap<int, int> map;
map.insert(1, 1);
@ -1363,6 +1626,10 @@ void tst_QMap::insertMap()
map.insert(map2);
QCOMPARE(map.count(), 1);
QCOMPARE(map[1], 1);
QMap<int, int> map3;
map3.insert(std::move(map2));
QCOMPARE(map3, map);
}
{
QMap<int, int> map;
@ -1660,6 +1927,14 @@ void tst_QMap::removeElementsInMap()
bool operator<(const SharedInt &other) const { return *m_int < *other.m_int; }
};
{
QMap<int, int> map;
QCOMPARE(map.remove(1), 0);
QVERIFY(!map.isDetached());
auto cnt = map.removeIf([](QMap<int, int>::iterator) { return true; });
QCOMPARE(cnt, 0);
}
{
QMap<SharedInt, int> map {
{ SharedInt(1), 1 },
@ -1718,6 +1993,10 @@ void tst_QMap::removeElementsInMap()
QCOMPARE(map.size(), 0);
QCOMPARE(map2.size(), 4);
auto cnt = map2.removeIf([](auto it) { return (*it % 2) == 0; });
QCOMPARE(cnt, 2);
QCOMPARE(map2.size(), 2);
}
{
@ -1820,5 +2099,23 @@ void tst_QMap::removeElementsInMap()
}
}
void tst_QMap::toStdMap()
{
QMap<int, QString> map;
QVERIFY(map.isEmpty());
auto stdMap = map.toStdMap();
QVERIFY(stdMap.empty());
QVERIFY(!map.isDetached());
map.insert(1, "value1");
map.insert(2, "value2");
map.insert(3, "value3");
map.insert(1, "value0");
const std::map<int, QString> expectedMap { {1, "value0"}, {2, "value2"}, {3, "value3"} };
stdMap = map.toStdMap();
QCOMPARE(stdMap, expectedMap);
}
QTEST_APPLESS_MAIN(tst_QMap)
#include "tst_qmap.moc"