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scc_info: detect incorrect initial state

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* spot/twaalgos/sccinfo.cc: Here.
* tests/python/sccinfo.py: Test it.
This commit is contained in:
Alexandre Duret-Lutz 2017-12-22 17:23:10 +01:00
parent 31ccab026b
commit 904cfb27fa
2 changed files with 11 additions and 0 deletions
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5
spot/twaalgos/sccinfo.cc
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@ -75,6 +75,11 @@ namespace spot
options_(options)
{
unsigned n = aut->num_states();
if (initial_state != -1U && n <= initial_state)
throw std::runtime_error
("scc_info: supplied initial state does not exist");
sccof_.resize(n, -1U);
if (!!(options & scc_info_options::TRACK_STATES_IF_FIN_USED)