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While we can’t add markers to the macro implementations to cause lcov to ignore them automatically, we can change our lcov configuration to ignore all calls to them. See https://github.com/linux-test-project/lcov/issues/44. This causes all the un-takeable branches and un-reachable assertions to be ignored by our code coverage, which bumps our statistics: • Lines: 74.9% → 74.8% • Functions: 82.3% → 82.3% • Branches: 53.3% → 64.2% The rationale is that nobody should be testing programmer error handling, as g_return_*if_fail() are used to guard against — so it’s not reasonable to count missed branches like that in code coverage statistics. Signed-off-by: Philip Withnall <withnall@endlessm.com>
13 lines
577 B
Plaintext
13 lines
577 B
Plaintext
# lcov and genhtml configuration
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# See http://ltp.sourceforge.net/coverage/lcov/lcovrc.5.php
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# Always enable branch coverage
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lcov_branch_coverage = 1
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# Exclude precondition assertions, as we can never reasonably get full branch
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# coverage of them, as they should never normally fail.
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# See https://github.com/linux-test-project/lcov/issues/44
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lcov_excl_br_line = LCOV_EXCL_BR_LINE|g_return_if_fail|g_return_val_if_fail|g_assert|g_assert_
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# Similarly for unreachable assertions.
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lcov_excl_line = LCOV_EXCL_LINE|g_return_if_reached|g_return_val_if_reached|g_assert_not_reached |