whytofly
/
qt6-bb10
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add a qHash for QUuid 

Change-Id: Ib0d9a765b8db3b34aa20d510de501c72a54cacbe
Reviewed-on: http://codereview.qt.nokia.com/1743
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Xizhi Zhu <xizhi.zhu@nokia.com>
Reviewed-by: João Abecasis <joao.abecasis@nokia.com>
bb10
Olivier Goffart 2011-07-18 12:12:57 +02:00 committed by Qt by Nokia
parent d5bdbd70b3
commit 55d68a16aa
3 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/corelib/plugin/quuid.cpp
View File

@ -927,4 +927,15 @@ QUuid QUuid::createUuid()
guid; otherwise returns false.
*/
/**
Returns a hash of the QUuid
*/
uint qHash(const QUuid &uuid)
{
return uuid.data1 ^ uuid.data2 ^ (uuid.data3 << 16)
^ ((uuid.data4[0] << 24) | (uuid.data4[1] << 16) | (uuid.data4[2] << 8) | uuid.data4[3])
^ ((uuid.data4[4] << 24) | (uuid.data4[5] << 16) | (uuid.data4[6] << 8) | uuid.data4[7]);
}
QT_END_NAMESPACE

2
src/corelib/plugin/quuid.h
View File

@ -189,6 +189,8 @@ Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QUuid &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QUuid &);
#endif
Q_CORE_EXPORT uint qHash(const QUuid &uuid);
QT_END_NAMESPACE
QT_END_HEADER

11
tests/auto/quuid/tst_quuid.cpp
View File

@ -82,6 +82,8 @@ private slots:
void threadUniqueness();
void processUniqueness();
void hash();
public:
// Variables
QUuid uuidA;
@ -322,5 +324,14 @@ void tst_QUuid::processUniqueness()
QVERIFY(processOneOutput != processTwoOutput);
}
void tst_QUuid::hash()
{
uint h = qHash(uuidA);
QCOMPARE(qHash(uuidA), h);
QCOMPARE(qHash(QUuid(uuidA.toString())), h);
}
QTEST_MAIN(tst_QUuid)
#include "tst_quuid.moc"