Qt Test
Qt Test provides classes for unit testing Qt applications and libraries. All public methods are in the QTest namespace. In addition, the QSignalSpy class provides easy introspection for Qt's signals and slots.
Getting Started
To enable Qt Test in a project, add this directive into the C++ files:
#include <QtTest>
To link against Qt Test, add this line to the project file:
QT += testlib
Articles and Guides
Reference
These are links to the API reference materials.