Author Archives : Mario

Want to be a testing guru? Use reachability graphs (Part 6)

Continuing with our exploration of reachability graphs, the graph below shows another very interesting bug in Chrome’s PDF viewer. The beauty of reachability graphs is that it is remarkably easy to follow the abstract states to recreate bugs, and it is impossible to make mistakes in doing so. Go ahead and follow the abstract states […]

Step 2 of bug recreate for Chrome's PDF Viewer

The Trip Tester vs the Travel Tester

Tripsters I have consistently noticed that people that take trips expect everything to be the same as their home town. They don’t like unexpected events or surprises. They go on trips out of obligation, not to meet new people or new ways of life. Perhaps it’s the current sales pitch or training they will offer to some company, […]