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build: Ignore branches in g_clear_*() functions under lcov

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It’s not useful for lcov to demand branch coverage of all branches
within `g_clear_*()` functions (such as `g_clear_pointer()`). By
choosing to use `g_clear_*()`, the programmer explicitly doesn’t care
about whether the pointer is `NULL`. The tests shouldn’t have to either.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>
This commit is contained in:
Philip Withnall 2024-01-18 13:06:10 +00:00
parent 1b32e72073
commit 60a9991f72
1 changed files with 5 additions and 2 deletions
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7
.lcovrc
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@ -1,13 +1,16 @@
# lcov and genhtml configuration
# See http://ltp.sourceforge.net/coverage/lcov/lcovrc.5.php
# See lcovrc(5)
# Always enable branch coverage
lcov_branch_coverage = 1
# Exclude precondition assertions, as we can never reasonably get full branch
# coverage of them, as they should never normally fail.
# Similarly exclude g_clear_*() functions (such as g_clear_object(),
# g_clear_pointer(), etc.) as it’s not useful to test both sides of the branch
# in them.
# See https://github.com/linux-test-project/lcov/issues/44
lcov_excl_br_line = LCOV_EXCL_BR_LINE|g_return_if_fail|g_return_val_if_fail|g_assert|g_assert_
lcov_excl_br_line = LCOV_EXCL_BR_LINE|g_return_if_fail|g_return_val_if_fail|g_assert|g_assert_|g_clear_
# Similarly for unreachable assertions.
lcov_excl_line = LCOV_EXCL_LINE|g_return_if_reached|g_return_val_if_reached|g_assert_not_reached