diff options
Diffstat (limited to 'lib/stdlib/test/io_SUITE.erl')
| -rw-r--r-- | lib/stdlib/test/io_SUITE.erl | 265 |
1 files changed, 210 insertions, 55 deletions
diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index 5df09b6a79..cb96f8b575 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -29,10 +29,11 @@ manpage/1, otp_6708/1, otp_7084/1, otp_7421/1, io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1, io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1, - printable_range/1, + printable_range/1, bad_printable_range/1, io_lib_print_binary_depth_one/1, otp_10302/1, otp_10755/1, otp_10836/1, io_lib_width_too_small/1, - io_with_huge_message_queue/1, format_string/1]). + io_with_huge_message_queue/1, format_string/1, + maps/1, coverage/1]). -export([pretty/2]). @@ -70,10 +71,10 @@ all() -> manpage, otp_6708, otp_7084, otp_7421, io_lib_collect_line_3_wb, cr_whitespace_in_string, io_fread_newlines, otp_8989, io_lib_fread_literal, - printable_range, + printable_range, bad_printable_range, io_lib_print_binary_depth_one, otp_10302, otp_10755, otp_10836, io_lib_width_too_small, io_with_huge_message_queue, - format_string]. + format_string, maps, coverage]. groups() -> []. @@ -2062,8 +2063,6 @@ printable_range(Suite) when is_list(Suite) -> [{args, " +pclatin1 -pa " ++ Pa}]), unicode = rpc:call(UNode,io,printable_range,[]), latin1 = rpc:call(LNode,io,printable_range,[]), - {error, _} = test_server:start_node(printable_range_unnicode, slave, - [{args, " +pcunnicode -pa " ++ Pa}]), PrettyOptions = [{column,1}, {line_length,109}, {depth,30}, @@ -2071,48 +2070,81 @@ printable_range(Suite) when is_list(Suite) -> {record_print_fun, fun(_,_) -> no end}, {encoding,unicode}], - 1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib_pretty,print, - [{hello, [1024,1025]}, - PrettyOptions]))), - 125 = lists:max(lists:flatten(rpc:call(LNode,io_lib_pretty,print, - [{hello, [1024,1025]}, - PrettyOptions]))), - 125 = lists:max(lists:flatten(rpc:call(DNode,io_lib_pretty,print, - [{hello, [1024,1025]}, - PrettyOptions]))), - 1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib_pretty,print, - [{hello, <<1024/utf8,1025/utf8>>}, - PrettyOptions]))), - 125 = lists:max(lists:flatten(rpc:call(LNode,io_lib_pretty,print, - [{hello, <<1024/utf8,1025/utf8>>}, - PrettyOptions]))), - 125 = lists:max(lists:flatten(rpc:call(DNode,io_lib_pretty,print, - [{hello, <<1024/utf8,1025/utf8>>}, - PrettyOptions]))), + PrintableControls = "\t\v\b\f\e\r\n", + + 1025 = print_max(UNode, [{hello, [1024,1025]}, + PrettyOptions]), + 125 = print_max(LNode, [{hello, [1024,1025]}, + PrettyOptions]), + 125 = print_max(DNode, [{hello, [1024,1025]}, + PrettyOptions]), + 1025 = print_max(UNode, [{hello, <<1024/utf8,1025/utf8>>}, + PrettyOptions]), + 125 = print_max(LNode, [{hello, <<1024/utf8,1025/utf8>>}, + PrettyOptions]), + 125 = print_max(DNode, [{hello, <<1024/utf8,1025/utf8>>}, + PrettyOptions]), + $v = print_max(UNode, [PrintableControls,PrettyOptions]), + $v = print_max(LNode, [PrintableControls,PrettyOptions]), + $v = print_max(DNode, [PrintableControls,PrettyOptions]), + 16#10FFFF = print_max(UNode, + [<<16#10FFFF/utf8,"\t\v\b\f\e\r\n">>, + PrettyOptions]), + $> = print_max(LNode, + [<<16#10FFFF/utf8,"\t\v\b\f\e\r\n">>, + PrettyOptions]), + $> = print_max(DNode, + [<<16#10FFFF/utf8,"\t\v\b\f\e\r\n">>, + PrettyOptions]), - 1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib,format, - ["~tp",[{hello, [1024,1025]}]]))), - 125 = lists:max(lists:flatten(rpc:call(LNode,io_lib,format, - ["~tp",[{hello, [1024,1025]}]]))), - 125 = lists:max(lists:flatten(rpc:call(DNode,io_lib,format, - ["~tp",[{hello, [1024,1025]}]]))), - 1025 = lists:max(lists:flatten(rpc:call(UNode,io_lib,format, - ["~tp", - [{hello, - <<1024/utf8,1025/utf8>>}]]))), - 125 = lists:max(lists:flatten(rpc:call(LNode,io_lib,format, - ["~tp", - [{hello, - <<1024/utf8,1025/utf8>>}]]))), - 125 = lists:max(lists:flatten(rpc:call(DNode,io_lib,format, - ["~tp", - [{hello, - <<1024/utf8,1025/utf8>>}]]))), + 1025 = format_max(UNode, ["~tp", [{hello, [1024,1025]}]]), + 125 = format_max(LNode, ["~tp", [{hello, [1024,1025]}]]), + 125 = format_max(DNode, ["~tp", [{hello, [1024,1025]}]]), + 1025 = format_max(UNode, ["~tp", [{hello, <<1024/utf8,1025/utf8>>}]]), + 125 = format_max(LNode, ["~tp", [{hello, <<1024/utf8,1025/utf8>>}]]), + 125 = format_max(DNode, ["~tp", [{hello, <<1024/utf8,1025/utf8>>}]]), + + $\e = format_max(UNode, ["~ts", [PrintableControls]]), + $\e = format_max(LNode, ["~ts", [PrintableControls]]), + $\e = format_max(DNode, ["~ts", [PrintableControls]]), + test_server:stop_node(UNode), test_server:stop_node(LNode), test_server:stop_node(DNode), ok. +print_max(Node, Args) -> + rpc_call_max(Node, io_lib_pretty, print, Args). + +format_max(Node, Args) -> + rpc_call_max(Node, io_lib, format, Args). + +rpc_call_max(Node, M, F, Args) -> + lists:max(lists:flatten(rpc:call(Node, M, F, Args))). + +%% Make sure that a bad specification for a printable range is rejected. +bad_printable_range(Config) when is_list(Config) -> + Cmd = lists:concat([lib:progname()," +pcunnnnnicode -run erlang halt"]), + P = open_port({spawn, Cmd}, [stderr_to_stdout, {line, 200}]), + ok = receive + {P, {data, {eol , "bad range of printable characters" ++ _}}} -> + ok; + Other -> + Other + after 1000 -> + timeout + end, + catch port_close(P), + flush_from_port(P), + ok. + +flush_from_port(P) -> + receive {P, _} -> + flush_from_port(P) + after 0 -> + ok + end. + io_lib_print_binary_depth_one(doc) -> "Test binaries printed with a depth of one behave correctly"; io_lib_print_binary_depth_one(Suite) when is_list(Suite) -> @@ -2225,7 +2257,7 @@ compile_file(File, Text, Config) -> after ok %file:delete(Fname) end. -io_lib_width_too_small(Config) -> +io_lib_width_too_small(_Config) -> "**" = lists:flatten(io_lib:format("~2.3w", [3.14])), "**" = lists:flatten(io_lib:format("~2.5w", [3.14])), ok. @@ -2233,12 +2265,14 @@ io_lib_width_too_small(Config) -> %% Test that the time for a huge message queue is not %% significantly slower than with an empty message queue. io_with_huge_message_queue(Config) when is_list(Config) -> - case test_server:is_native(gen) of - true -> + case {test_server:is_native(gen),test_server:is_cover()} of + {true,_} -> {skip, "gen is native - huge message queue optimization " "is not implemented"}; - false -> + {_,true} -> + {skip,"Running under cover"}; + {false,false} -> do_io_with_huge_message_queue(Config) end. @@ -2246,19 +2280,23 @@ do_io_with_huge_message_queue(Config) -> PrivDir = ?privdir(Config), File = filename:join(PrivDir, "slask"), {ok, F1} = file:open(File, [write]), - - {Time,ok} = timer:tc(fun() -> writes(1000, F1) end), + Test = fun(Times) -> + {Time,ok} = timer:tc(fun() -> writes(Times, F1) end), + Time + end, + {Times,EmptyTime} = calibrate(100, Test), [self() ! {msg,N} || N <- lists:seq(1, 500000)], erlang:garbage_collect(), - {NewTime,ok} = timer:tc(fun() -> writes(1000, F1) end), + FullTime = Test(Times), file:close(F1), - io:format("Time for empty message queue: ~p", [Time]), - io:format("Time for huge message queue: ~p", [NewTime]), + file:delete(File), + io:format("Number of writes: ~p", [Times]), + io:format("Time for empty message queue: ~p", [EmptyTime]), + io:format("Time for huge message queue: ~p", [FullTime]), - IsCover = test_server:is_cover(), - case (NewTime+1) / (Time+1) of - Q when Q < 10; IsCover -> + case (FullTime+1) / (EmptyTime+1) of + Q when Q < 10 -> ok; Q -> io:format("Q = ~p", [Q]), @@ -2266,13 +2304,130 @@ do_io_with_huge_message_queue(Config) -> end, ok. +%% Make sure that the time is not too short. That could cause the +%% test case to fail. +calibrate(N, Test) when N =< 100000 -> + case Test(N) of + Time when Time < 50000 -> + calibrate(10*N, Test); + Time -> + {N,Time} + end; +calibrate(N, _) -> + N. + writes(0, _) -> ok; writes(N, F1) -> file:write(F1, "hello\n"), writes(N - 1, F1). -format_string(Config) -> +format_string(_Config) -> %% All but padding is tested by fmt/2. "xxxxxxsssx" = fmt("~10.4.xs", ["sss"]), "xxxxxxsssx" = fmt("~10.4.*s", [$x, "sss"]), ok. + +maps(_Config) -> + %% Note that order in which a map is printed is arbitrary. In + %% practice, small maps (non-HAMT) are printed in key order, but + %% the breakpoint for creating big maps (HAMT) is lower in the + %% debug-compiled run-time system than in the optimized run-time + %% system. + %% + %% Therefore, play it completely safe by not assuming any order + %% in a map with more than one element. + + "#{}" = fmt("~w", [#{}]), + "#{a=>b}" = fmt("~w", [#{a=>b}]), + re_fmt(<<"#\\{(a=>b|c=>d),[.][.][.]=>[.][.][.]\\}">>, + "~W", [#{a=>b,c=>d},2]), + re_fmt(<<"#\\{(a=>b|c=>d|e=>f),[.][.][.]=>[.][.][.],[.][.][.]\\}">>, + "~W", [#{a=>b,c=>d,e=>f},2]), + + "#{}" = fmt("~p", [#{}]), + "#{a => b}" = fmt("~p", [#{a=>b}]), + "#{...}" = fmt("~P", [#{a=>b},1]), + re_fmt(<<"#\\{(a => b|c => d),[.][.][.]\\}">>, + "~P", [#{a=>b,c=>d},2]), + re_fmt(<<"#\\{(a => b|c => d|e => f),[.][.][.]\\}">>, + "~P", [#{a=>b,c=>d,e=>f},2]), + + List = [{I,I*I} || I <- lists:seq(1, 20)], + Map = maps:from_list(List), + + "#{...}" = fmt("~P", [Map,1]), + + %% Print a map and parse it back to a map. + S = fmt("~p\n", [Map]), + io:format("~p\n", [S]), + Map = parse_map(S), + + %% Smoke test of a map as key. + MapAsKey = #{Map => "value"}, + io:format("~s\n", [fmt("~p", [MapAsKey])]), + ok. + +re_fmt(Pattern, Format, Args) -> + S = list_to_binary(fmt(Format, Args)), + case re:run(S, Pattern, [{capture,none}]) of + nomatch -> + io:format("Pattern: ~s", [Pattern]), + io:format("Result: ~s", [S]), + ?t:fail(); + match -> + ok + end. + +%% Parse a map consisting of integer keys and values. +parse_map(S0) -> + S1 = parse_expect(S0, "#{"), + {M,S2} = parse_map_1(S1), + S = parse_expect(S2, "}"), + S = "", + M. + +parse_map_1(S0) -> + {Key,S1} = parse_number(S0), + S2 = parse_expect(S1, "=>"), + {Val,S3} = parse_number(S2), + case S3 of + ","++S4 -> + S5 = parse_skip_ws(S4), + {Map,S} = parse_map_1(S5), + {Map#{Key=>Val},S}; + S -> + {#{Key=>Val},S} + end. + +parse_number(S) -> + parse_number(S, none). + +parse_number([C|S], Acc0) when $0 =< C, C =< $9 -> + Acc = case Acc0 of + none -> 0; + _ when is_integer(Acc0) -> Acc0 + end, + parse_number(S, Acc*10+C-$0); +parse_number(S, Acc) -> + {Acc,parse_skip_ws(S)}. + +parse_expect([H|T1], [H|T2]) -> + parse_expect(T1, T2); +parse_expect(S, []) -> + parse_skip_ws(S). + +parse_skip_ws([C|S]) when C =< $\s -> + parse_skip_ws(S); +parse_skip_ws(S) -> + S. + +%% Cover the last uncovered lines for completeness. +coverage(_Config) -> + S1 = io_lib_pretty:print({a,term}, fun(_, _) -> no end), + io:format("~s\n", [S1]), + + %% The tuple of arity three will be ignored. + S2 = io_lib_pretty:print(lists:seq(1, 100), [{depth,1,1}]), + io:format("~s\n", [S2]), + + ok. |