X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fjbitset%2Ftest%2Frun.c;fp=ccan%2Fjbitset%2Ftest%2Frun.c;h=09f00bd944d217ac985dedd677601b3ca183ff88;hb=5e880e4ce45a3cececd0996b384482780a92070d;hp=0000000000000000000000000000000000000000;hpb=b734bbea227ae0c326a0f19f84b490d8895b2010;p=ccan diff --git a/ccan/jbitset/test/run.c b/ccan/jbitset/test/run.c new file mode 100644 index 00000000..09f00bd9 --- /dev/null +++ b/ccan/jbitset/test/run.c @@ -0,0 +1,66 @@ +#include +#include + +int main(int argc, char *argv[]) +{ + struct jbitset *set; + size_t i; + const char *err; + + plan_tests(36); + + set = jbit_new(); + ok1(jbit_error(set) == NULL); + + ok1(jbit_set(set, 0) == true); + ok1(jbit_set(set, 0) == false); + ok1(jbit_clear(set, 0) == true); + ok1(jbit_clear(set, 0) == false); + ok1(jbit_popcount(set, 0, -1) == 0); + ok1(jbit_nth(set, 0, 0) == 0); + ok1(jbit_nth(set, 0, -1) == (size_t)-1); + ok1(jbit_first(set, 0) == 0); + ok1(jbit_first(set, -1) == (size_t)-1); + ok1(jbit_last(set, 0) == 0); + ok1(jbit_last(set, -1) == (size_t)-1); + ok1(jbit_first_clear(set, -1) == 0); + ok1(jbit_first_clear(set, -2) == 0); + ok1(jbit_last_clear(set, 0) == (size_t)-1); + ok1(jbit_prev_clear(set, 1, -1) == 0); + ok1(jbit_next_clear(set, 0, -1) == 1); + ok1(jbit_next_clear(set, -1, -1) == -1); + + /* Set a million bits, 16 bits apart. */ + for (i = 0; i < 1000000; i++) + jbit_set(set, i << 4); + + /* This only take 1.7MB on my 32-bit system. */ + diag("%u bytes memory used\n", (unsigned)Judy1MemUsed(set->judy)); + + ok1(jbit_popcount(set, 0, -1) == 1000000); + ok1(jbit_nth(set, 0, -1) == 0); + ok1(jbit_nth(set, 999999, -1) == 999999 << 4); + ok1(jbit_nth(set, 1000000, -1) == (size_t)-1); + ok1(jbit_first(set, -1) == 0); + ok1(jbit_last(set, -1) == 999999 << 4); + ok1(jbit_first_clear(set, -1) == 1); + ok1(jbit_last_clear(set, 0) == (size_t)-1); + ok1(jbit_prev_clear(set, 1, -1) == (size_t)-1); + ok1(jbit_next(set, 0, -1) == 1 << 4); + ok1(jbit_next(set, 999999 << 4, -1) == (size_t)-1); + ok1(jbit_prev(set, 1, -1) == 0); + ok1(jbit_prev(set, 0, -1) == (size_t)-1); + ok1(jbit_error(set) == NULL); + + /* Test error handling */ + JU_ERRNO(&set->err) = 100; + JU_ERRID(&set->err) = 991; + err = jbit_error(set); + ok1(err); + ok1(strstr(err, "100")); + ok1(strstr(err, "991")); + ok1(err == set->errstr); + jbit_free(set); + + return exit_status(); +}