Function edge_present

tests/test_lang_contract.c:877–887

Index `files`, assert the named edge type appears at least `floor` times. * On failure, dump the full edge histogram so a regression is diagnosable. */

/* Index `files`, assert the named edge type appears at least `floor` times.
 * On failure, dump the full edge histogram so a regression is diagnosable. */
static int edge_present(const LangFile *files, int nfiles, const char *edge, int floor) {
    LangProj lp;
    cbm_store_t *store = lang_index_files(&lp, files, nfiles);
    int got = store ? cbm_store_count_edges_by_type(store, lp.project, edge) : -1;
    if (got < floor) {
        fprintf(stderr, "  [EDGE] FAIL %-20s count=%d expected>=%d\n", edge, got, floor);
        dump_edge_histogram(store, lp.project);
    }
    lang_cleanup(&lp, store);
    return got >= floor;
}

/* DEFINES — File -> definition, once per top-level def (purely structural). */
TEST(contract_edge_defines) {