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2.2.3 How do the tests work?

List of tests

Tests are defined in src/tests/black-box/CMakeLists.txt. Each test is split into two steps: creating an audio file, and comparing that audio file to the previous (working) audio file.

Approximate matching (no rounding errors)

When an audio file is specified as an “answer” file,

     audioCompare ../output/

we attempt to match the files approximately, to avoid rounding mismatches on different operating systems. Each sample must be very close to the corresponding sample in the answer file, but they need not be exact.