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Diffstat (limited to 'doc/HACKING')
| -rw-r--r-- | doc/HACKING | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/doc/HACKING b/doc/HACKING index 2562f7e2e9..6b21426497 100644 --- a/doc/HACKING +++ b/doc/HACKING @@ -114,6 +114,26 @@ valgrind --leak-check=yes --error-limit=no --show-reachable=yes src/or/tor pass --undef-value-errors=no to valgrind, or rebuild your openssl with -DPURIFY.) +Running lcov for unit test coverage +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Lcov is a utility that generates pretty HTML reports of test code coverage. +To generate such a report: + +----- + ./configure --enable-coverage + make + make coverage-html + $BROWSER ./coverage_html/index.html +----- + +This will run the tor unit test suite `./src/test/test` and generate the HTML +coverage code report under the directory ./coverage_html/. To change the +output directory, use `make coverage-html HTML_COVER_DIR=./funky_new_cov_dir`. + +Coverage diffs using lcov are not currently implemented, but are being +investigated (as of July 2014). + Running gcov for unit test coverage ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |