diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/stdlib/test/ets_SUITE.erl | 69 |
1 files changed, 66 insertions, 3 deletions
diff --git a/lib/stdlib/test/ets_SUITE.erl b/lib/stdlib/test/ets_SUITE.erl index 5d7e558601..6a123da792 100644 --- a/lib/stdlib/test/ets_SUITE.erl +++ b/lib/stdlib/test/ets_SUITE.erl @@ -94,6 +94,8 @@ do_heavy_concurrent/1 ]). +-export([t_select_reverse/1]). + -include("test_server.hrl"). init_per_testcase(Case, Config) -> @@ -128,7 +130,7 @@ all(suite) -> match_heavy, fold, member, t_delete_object, t_init_table, t_whitebox, t_delete_all_objects, t_insert_list, t_test_ms, - t_select_delete, t_ets_dets, memory, + t_select_delete, t_ets_dets, memory, t_select_reverse, t_bucket_disappears, select_fail,t_insert_new, t_repair_continuation, otp_5340, otp_6338, otp_6842_select_1000, otp_7665, otp_8732, @@ -788,6 +790,67 @@ t_test_ms(Config) when is_list(Config) -> ?line true = (if is_list(String) -> true; true -> false end), ?line verify_etsmem(EtsMem). +t_select_reverse(doc) -> + ["Test the select reverse BIF's"]; +t_select_reverse(suite) -> + []; +t_select_reverse(Config) when is_list(Config) -> + ?line Table = ets:new(xxx, [ordered_set]), + ?line filltabint(Table,1000), + ?line A = lists:reverse(ets:select(Table,[{{'$1', '_'}, + [{'>', + {'rem', + '$1', 5}, + 2}], + ['$_']}])), + ?line A = ets:select_reverse(Table,[{{'$1', '_'}, + [{'>', + {'rem', + '$1', 5}, + 2}], + ['$_']}]), + ?line A = reverse_chunked(Table,[{{'$1', '_'}, + [{'>', + {'rem', + '$1', 5}, + 2}], + ['$_']}],3), + % A set/bag/duplicate_bag should get the same result regardless + % of select or select_reverse + ?line Table2 = ets:new(xxx, [set]), + ?line filltabint(Table2,1000), + ?line Table3 = ets:new(xxx, [bag]), + ?line filltabint(Table3,1000), + ?line Table4 = ets:new(xxx, [duplicate_bag]), + ?line filltabint(Table4,1000), + ?line lists:map(fun(Tab) -> + B = ets:select(Tab,[{{'$1', '_'}, + [{'>', + {'rem', + '$1', 5}, + 2}], + ['$_']}]), + B = ets:select_reverse(Tab,[{{'$1', '_'}, + [{'>', + {'rem', + '$1', 5}, + 2}], + ['$_']}]) + end,[Table2, Table3, Table4]), + ok. + + + +reverse_chunked(T,MS,N) -> + do_reverse_chunked(ets:select_reverse(T,MS,N),[]). + +do_reverse_chunked('$end_of_table',Acc) -> + lists:reverse(Acc); +do_reverse_chunked({L,C},Acc) -> + NewAcc = lists:reverse(L)++Acc, + do_reverse_chunked(ets:select_reverse(C), NewAcc). + + t_select_delete(doc) -> ["Test the ets:select_delete/2 and ets:select_count/2 BIF's"]; t_select_delete(suite) -> @@ -3942,7 +4005,7 @@ do_lookup_element(Tab, N, M) -> end. -heavy_concurrent(Config) -> +heavy_concurrent(_Config) -> repeat_for_opts(do_heavy_concurrent). do_heavy_concurrent(Opts) -> @@ -3961,7 +4024,7 @@ do_heavy_concurrent(Opts) -> ?line lists:foreach(fun (P) -> M = erlang:monitor(process, P), receive - {'DOWN', Mon, process, P, _} -> + {'DOWN', M, process, P, _} -> ok end end, |