Testing OpenCV installation

The worst is past us, and we are now ready to dig into the world of Computer Vision and start building exciting applications using Qt and OpenCV. Although this one last step is called Testing OpenCV, it's actually the first Qt+OpenCV application that you'll write, as simple as it may seem at first. Our aim in this section is not to bother with any details of how things are working and what goes on behind the scenes, but just to make sure we have configured everything correctly and avoid wasting time with configuration-related issues later in the book. If you have followed everything as it was described and executed all instructions in the correct order, then by now, you shouldn't be worrying about anything, but ...

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