buildtools.diff_test_result_dirs

This tool runs diff comparisons of command line test output files.

This tool supports a common TSV Utilities testing paradigm: Running command line tests on the built executables to produce a set of outputs from an existing set of tests. Test results are written to a files in a directory and compared to a "gold" set of outputs known to be correct.

This tool runs a version of directory diff support multiple correct output versions. This is to handle the case where different compiler/library versions have different valid outputs. The most common case is changes to error message text.

Copyright (c) 2018-2019, eBay Software Foundation Initially written by Jon Degenhardt

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