Saturday, December 3, 2011

The Umlaut Test Pattern

One of the most reliable "bugs" we met regularly is what we call the "Umlaut" bug. Often we notice cases in our database which are displayed incorrectly. Namely Polish and/or German characters are regularly screwed up somewhere. Corrupt here means that it is displayed as a black square with a white question mark or a simple empty rectangle. The test pattern to look for broken text is effective at all test levels, be it it the UI or even at a lower level such as Web Service responses.

Want some examples?

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