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Title of Articles on Matthias Noback: "Software Development & Design | Matthias Noback"

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In the previous post we’ve successfully split the running of the tests and collecting the test results from handling those results by printing the counters and error stop-ping the test program. We still ask each test procedure to print a small desc...


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Maybe we’ve been writing more “generic” code for our custom test program than expected. We have been gradually, and quite safely, extracting code from a simple “check program”. But now that we’re looking at a pretty generic test runner that we’re going to use for all our future unit tests, we inevitably have to address the concern that we’re writing code that isn’t tested its...


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In the previous post, we’ve spent some time improving a number of “temporary” tests. We introduced an assertion function to compare two real values, and we prevent failing tests from stopping the entire test program.

Moving tests t...


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How can we know that the function we wrote, works as intended? We could run it, and manually verify its correctness. The simplest way to do this is to call the function in the main program block, print the output, and compare it with what we expect. Say our function calculates the length of a polyline, stored as a two-dimensional array of reals, representing (x,y) coordinates...


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