Code coverage tests

This page documents the degree to which the PARI/GP source code is tested by our public test suite, distributed with the source distribution in directory src/test/. This is measured by the gcov utility; we then process gcov output using the lcov frond-end.

We test a few variants depending on Configure flags on the pari.math.u-bordeaux.fr machine (x86_64 architecture), and agregate them in the final report:

The target is to exceed 90% coverage for all mathematical modules (given that branches depending on DEBUGLEVEL or DEBUGMEM are not covered). This script is run to produce the results below.

LCOV - code coverage report
Current view: top level - basemath - volcano.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30367-364c17a628) Lines: 340 345 98.6 %
Date: 2025-07-03 09:21:30 Functions: 28 28 100.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Flm_Fl_polmodular_evalxy 534
Flx_remove_root 33923487
ascend_volcano 138222
common_nbr 241249
common_nbr_corner 37495
common_nbr_pred 43025
common_nbr_pred_poly 44062
common_nbr_verify 1037
descend_volcano 2963
enum_roots 235872
extend_path 298238
get_nbrs 25577169
is_j_exceptional 388674
j_level_in_volcano 222634
next_surface_nbr 157507
nhbr_polynomial 151741
node_degree 86032
pcp_get_L 235870
pcp_get_L0 235871
pcp_get_enum_cnt 235869
pcp_get_k 235869
pcp_get_n 235870
pcp_get_o 235870
random_distinct_neighbours_of 222943
surface_gcd_cycle 95429
surface_gcd_path 1071
surface_parallel_path 203767
surface_path 229004

Generated by: LCOV version 1.16