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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/stdlib/test/shell_SUITE.erl
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The R13B03 release.OTP_R13B03
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2004-2009. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(shell_SUITE).
+-export([all/1]).
+
+-export([forget/1, records/1, known_bugs/1, otp_5226/1, otp_5327/1,
+ otp_5435/1, otp_5195/1, otp_5915/1, otp_5916/1,
+ bits/1, bs_match_misc_SUITE/1, bs_match_int_SUITE/1,
+ bs_match_tail_SUITE/1, bs_match_bin_SUITE/1,
+ bs_construct_SUITE/1,
+ refman/1, refman_bit_syntax/1,
+ progex/1, progex_bit_syntax/1, progex_records/1,
+ progex_lc/1, progex_funs/1,
+ tickets/1, otp_5990/1, otp_6166/1, otp_6554/1, otp_6785/1,
+ otp_7184/1, otp_7232/1]).
+
+-export([restricted/1, start_restricted_from_shell/1,
+ start_restricted_on_command_line/1,restricted_local/1]).
+
+%% Internal export.
+-export([otp_5435_2/0]).
+
+%%
+%% Define to run outside of test server
+%%
+%% -define(STANDALONE,1).
+
+-ifdef(STANDALONE).
+-define(config(A,B),config(A,B)).
+-define(t,test_server).
+-export([config/2]).
+-define(line, noop, ).
+config(priv_dir,_) ->
+ ".".
+-else.
+-include("test_server.hrl").
+-export([init_per_testcase/2, fin_per_testcase/2]).
+% Default timetrap timeout (set in init_per_testcase).
+-define(default_timeout, ?t:minutes(2)).
+init_per_testcase(_Case, Config) ->
+ ?line Dog = ?t:timetrap(?default_timeout),
+ ?line OrigPath = code:get_path(),
+ ?line code:add_patha(?config(priv_dir,Config)),
+ [{orig_path,OrigPath}, {watchdog, Dog} | Config].
+
+fin_per_testcase(_Case, Config) ->
+ ?line Dog = ?config(watchdog, Config),
+ ?line test_server:timetrap_cancel(Dog),
+ ?line OrigPath = ?config(orig_path,Config),
+ ?line code:set_path(OrigPath),
+ ?line application:unset_env(stdlib, restricted_shell),
+ ?line (catch code:purge(user_default)),
+ ?line (catch code:delete(user_default)),
+ ok.
+-endif.
+
+all(doc) ->
+ ["Test cases for the 'shell' module."];
+all(suite) ->
+ [forget, records, known_bugs, otp_5226, otp_5327, otp_5435, otp_5195,
+ otp_5915, otp_5916, bits, refman, progex, tickets, restricted].
+
+-record(state, {bin, reply, leader}).
+
+restricted(doc) ->
+ ["Test restricted_shell"];
+restricted(suite) ->
+ [start_restricted_from_shell,start_restricted_on_command_line,restricted_local].
+
+start_restricted_from_shell(doc) ->
+ ["Test that a restricted shell can be started from the normal shell"];
+start_restricted_from_shell(suite) ->
+ [];
+start_restricted_from_shell(Config) when is_list(Config) ->
+ ?line [{error,nofile}] = scan(<<"begin shell:start_restricted("
+ "nonexisting_module) end.">>),
+ ?line Test = filename:join(?config(priv_dir, Config),
+ "test_restricted.erl"),
+ Contents = <<"-module(test_restricted).
+ -export([local_allowed/3, non_local_allowed/3]).
+ local_allowed(i,[],State) ->
+ {true,State};
+ local_allowed(ugly,[],_State) ->
+ non_conforming_reply;
+ local_allowed(_,_,State) ->
+ {false,State}.
+
+ non_local_allowed({shell,stop_restricted},[],State) ->
+ {true,State};
+ non_local_allowed({erlang,'+'},[_],State) ->
+ {true,State};
+ non_local_allowed({erlang,'-'},[_,_],_State) ->
+ non_conforming_reply;
+ non_local_allowed({h, d}, [Arg], S) ->
+ {{redirect, {erlang,hd}, [Arg]}, S};
+ non_local_allowed(_,_,State) ->
+ {false,State}.
+ ">>,
+ ?line ok = compile_file(Config, Test, Contents, []),
+ ?line "exception exit: restricted shell starts now" =
+ comm_err(<<"begin shell:start_restricted("
+ "test_restricted) end.">>),
+ ?line {ok, test_restricted} =
+ application:get_env(stdlib, restricted_shell),
+ ?line "Pid" ++ _ = t(<<"begin i() end.">>),
+ ?line "exception exit: restricted shell does not allow c(foo)" =
+ comm_err(<<"begin c(foo) end.">>),
+ ?line "exception exit: restricted shell does not allow init:stop()" =
+ comm_err(<<"begin init:stop() end.">>),
+ ?line "exception exit: restricted shell does not allow init:stop()" =
+ comm_err(<<"begin F = fun() -> init:stop() end, F() end.">>),
+ ?line "exception error: bad argument in an arithmetic expression" =
+ comm_err(<<"begin +a end.">>),
+ ?line "exception exit: restricted shell does not allow a + b" =
+ comm_err(<<"begin a+b end.">>),
+ ?line "exception exit: restricted shell does not allow - b" =
+ comm_err(<<"begin -b end.">>),
+ ?line "exception exit: restricted shell does not allow 1 + 2" =
+ comm_err(<<"begin if atom(1 + 2> 0) -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow 1 + 2" =
+ comm_err(<<"begin if is_atom(1 + 2> 0) -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow - 2" =
+ comm_err(<<"begin if - 2 -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow - 2" =
+ comm_err(<<"begin if (- 2 > 0) andalso true -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow - 2" =
+ comm_err(<<"begin if (- 2 > 0) orelse true -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow 1 + 2" =
+ comm_err(<<"begin if 1 + 2 > 0 -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow 1 + 2" =
+ comm_err(<<"begin if erlang:is_atom(1 + 2> 0) -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow is_integer(1)" =
+ comm_err(<<"begin if is_integer(1) -> 1; true -> 2 end end.">>),
+ ?line "exception exit: restricted shell does not allow is_integer(1)" =
+ comm_err(<<"begin if integer(1) -> 1; true -> 2 end end.">>),
+ ?line "exception exit: "
+ "restricted shell module returned bad value non_conforming_reply" =
+ comm_err(<<"ugly().">>),
+ ?line [one] = scan(<<"h:d([one,two]).">>),
+ ?line "exception exit: "
+ "restricted shell module returned bad value non_conforming_reply" =
+ comm_err(<<"1 - 2.">>),
+ ?line "exception exit: restricted shell stopped"=
+ comm_err(<<"begin shell:stop_restricted() end.">>),
+ ?line undefined =
+ application:get_env(stdlib, restricted_shell),
+ ok.
+
+start_restricted_on_command_line(doc) ->
+ ["Check restricted shell when started from the command line"];
+start_restricted_on_command_line(suite) ->
+ [];
+start_restricted_on_command_line(Config) when is_list(Config) ->
+ ?line {ok,Node} = start_node(shell_suite_helper_1,
+ "-pa "++?config(priv_dir,Config)++
+ " -stdlib restricted_shell foo"),
+ ?line "Warning! Restricted shell module foo not found: nofile"++_ =
+ t({Node, <<"begin i() end.">>}),
+ ?line "exception exit: restricted shell does not allow i()" =
+ comm_err({Node, <<"begin i() end.">>}),
+ ?line [ok] =
+ (catch scan({Node, <<"begin q() end.">>})),
+ ?line test_server:stop_node(Node),
+ ?line Test = filename:join(?config(priv_dir, Config),
+ "test_restricted2.erl"),
+ Contents = <<"-module(test_restricted2).
+ -export([local_allowed/3, non_local_allowed/3]).
+ local_allowed(i,[],State) ->
+ {true,State};
+ local_allowed(_,_,State) ->
+ {false,State}.
+
+ non_local_allowed({shell,stop_restricted},[],State) ->
+ {true,State};
+ non_local_allowed({erlang,node},[],State) ->
+ {true,State};
+ non_local_allowed(_,_,State) ->
+ {false,State}.
+ ">>,
+ ?line ok = compile_file(Config, Test, Contents, []),
+ ?line {ok,Node2} = start_node(shell_suite_helper_2,
+ "-pa "++?config(priv_dir,Config)++
+ " -stdlib restricted_shell test_restricted2"),
+ ?line "Pid" ++ _ = t({Node2,<<"begin i() end.">>}),
+ ?line "exception exit: restricted shell does not allow c(foo)" =
+ comm_err({Node2,<<"begin c(foo) end.">>}),
+ ?line "exception exit: restricted shell does not allow init:stop()" =
+ comm_err({Node2,<<"begin init:stop() end.">>}),
+ ?line "exception exit: restricted shell does not allow init:stop()" =
+ comm_err({Node2,<<"begin F = fun() -> init:stop() end, F() end.">>}),
+ ?line [Node2] =
+ scan({Node2, <<"begin erlang:node() end.">>}),
+ ?line [Node2] =
+ scan({Node2, <<"begin node() end.">>}),
+ ?line "exception exit: restricted shell stopped"=
+ comm_err({Node2,<<"begin shell:stop_restricted() end.">>}),
+ ?line [ok] =
+ scan({Node2, <<"begin q() end.">>}),
+ ?line test_server:stop_node(Node2),
+ ok.
+
+restricted_local(suite) ->
+ [];
+restricted_local(doc) ->
+ ["Tests calling local shell functions with spectacular arguments in restricted shell"];
+restricted_local(Config) when is_list(Config) ->
+ ?line [{error,nofile}] = scan(<<"begin shell:start_restricted("
+ "nonexisting_module) end.">>),
+ ?line Test = filename:join(?config(priv_dir, Config),
+ "test_restricted_local.erl"),
+ Contents = <<"-module(test_restricted_local).
+ -export([local_allowed/3, non_local_allowed/3]).
+ local_allowed(i,[],State) ->
+ {true,State};
+ local_allowed(banan,_,State) ->
+ {true,State};
+ local_allowed(funkis,_,State) ->
+ {true,State};
+ local_allowed(c,_,State) ->
+ {true,State};
+ local_allowed(_,_,State) ->
+ {false,State}.
+
+ non_local_allowed({shell,stop_restricted},[],State) ->
+ {true,State};
+ non_local_allowed(_,_,State) ->
+ {false,State}.
+ ">>,
+ ?line ok = compile_file(Config, Test, Contents, []),
+ ?line Test2 = filename:join(?config(priv_dir, Config),
+ "user_default.erl"),
+ Contents2 = <<"-module(user_default).
+ -export([funkis/1,apple/1]).
+ funkis(F) when is_function(F) ->
+ funkis;
+ funkis(_) ->
+ nofunkis.
+ apple(_) ->
+ apple.
+ ">>,
+ ?line ok = compile_file(Config, Test2, Contents2, []),
+ ?line "exception exit: restricted shell starts now" =
+ comm_err(<<"begin shell:start_restricted("
+ "test_restricted_local) end.">>),
+ ?line {ok, test_restricted_local} =
+ application:get_env(stdlib, restricted_shell),
+ ?line "exception exit: restricted shell does not allow foo(" ++ _ =
+ comm_err(<<"begin F=fun() -> hello end, foo(F) end.">>),
+ ?line "exception error: undefined shell command banan/1" =
+ comm_err(<<"begin F=fun() -> hello end, banan(F) end.">>),
+ ?line "{error,"++_ = t(<<"begin F=fun() -> hello end, c(F) end.">>),
+ ?line "exception exit: restricted shell does not allow l(" ++ _ =
+ comm_err(<<"begin F=fun() -> hello end, l(F) end.">>),
+ ?line "exception error: variable 'F' is unbound" =
+ comm_err(<<"begin F=fun() -> hello end, f(F), F end.">>),
+ ?line [funkis] =
+ scan(<<"begin F=fun() -> hello end, funkis(F) end.">>),
+ ?line "exception exit: restricted shell does not allow apple(" ++ _ =
+ comm_err(<<"begin F=fun() -> hello end, apple(F) end.">>),
+ ?line "exception exit: restricted shell stopped"=
+ comm_err(<<"begin shell:stop_restricted() end.">>),
+ ?line undefined =
+ application:get_env(stdlib, restricted_shell),
+ ?line (catch code:purge(user_default)),
+ ?line true = (catch code:delete(user_default)),
+ ok.
+
+
+forget(doc) ->
+ ["f/0 and f/1"];
+forget(suite) ->
+ [];
+forget(Config) when is_list(Config) ->
+ %% f/0
+ ?line [ok] = scan(<<"begin f() end.">>),
+ ?line "1: variable 'A' is unbound" =
+ comm_err(<<"A = 3, f(), A.">>),
+ ?line [ok] = scan(<<"A = 3, A = f(), A.">>),
+
+ %% f/1
+ ?line [ok] = scan(<<"begin f(A) end.">>),
+ ?line "1: variable 'A' is unbound" =
+ comm_err(<<"A = 3, f(A), A.">>),
+ ?line [ok] = scan(<<"A = 3, A = f(A), A.">>),
+ ?line "exception error: no function clause matching call to f/1" =
+ comm_err(<<"f(a).">>),
+ ok.
+
+records(doc) ->
+ ["Test of the record support. OTP-5063."];
+records(suite) ->
+ [];
+records(Config) when is_list(Config) ->
+ %% rd/2
+ ?line [{attribute,_,record,{bar,_}},ok] =
+ scan(<<"rd(foo,{bar}),
+ rd(bar,{foo = (#foo{})#foo.bar}),
+ rl(bar).">>),
+ ?line "variable 'R' is unbound" = % used to work (before OTP-5878, R11B)
+ exit_string(<<"rd(foo,{bar}),
+ R = #foo{},
+ rd(bar,{foo = R#foo.bar}).">>),
+ ?line "exception error: no function clause matching call to rd/2" =
+ comm_err(<<"rd({foo},{bar}).">>),
+ ?line "bad record declaration" = exit_string(<<"A = bar, rd(foo,A).">>),
+ ?line [foo] = scan(<<"begin rd(foo,{bar}) end.">>),
+ ?line "1: record foo undefined" =
+ comm_err(<<"begin rd(foo,{bar}), #foo{} end.">>),
+ ?line ['f o o'] = scan(<<"rd('f o o', {bar}).">>),
+ ?line [foo] = scan(<<"rd(foo,{bar}), rd(foo,{foo = #foo{}}).">>),
+
+ %% rf/0,1
+ ?line [_, {attribute,_,record,{foo,_}},ok] =
+ scan(<<"rf('_'). rd(foo,{bar}),rl().">>),
+ ?line "1: record foo undefined" =
+ comm_err(<<"rd(foo,{bar}), #foo{}, rf(foo), #foo{}.">>),
+ ?line [ok,{foo,undefined}] =
+ scan(<<"rd(foo,{bar}), A = #foo{}, rf(foo). A.">>),
+ ?line [_] = scan(<<"begin rf() end.">>),
+ ?line [ok] = scan(<<"begin rf(foo) end.">>),
+
+ %% rp/1
+ ?line "#foo{bar = undefined}.\nok.\n" =
+ t(<<"rd(foo,{bar}), rp(#foo{}).">>),
+ ?line [{foo,3,4,3},ok] = scan(<<"rd(foo,{a = 3, b}), rp({foo,3,4,3}).">>),
+ ?line "#foo{a = 12}.\nok.\n" = t(<<"rd(foo,{a = 3}), rp({foo,12}).">>),
+ ?line [{[{foo}],12},ok] = scan(<<"rd(foo,{a = 3}), rp({[{foo}],12}).">>),
+
+ %% rr/1,2,3
+ MS = ?MODULE_STRING,
+ RR1 = "rr(" ++ MS ++ "). #state{}.",
+ ?line "[state]\n"
+ "#state{bin = undefined,reply = undefined,leader = undefined}.\n" =
+ t(RR1),
+ RR2 = "rr(" ++ MS ++ ",[state]). #state{}.",
+ ?line "[state]\n"
+ "#state{bin = undefined,reply = undefined,leader = undefined}.\n" =
+ t(RR2),
+ RR3 = "rr(" ++ MS ++ ",'_'). #state{}.",
+ ?line "[state]\n"
+ "#state{bin = undefined,reply = undefined,leader = undefined}.\n" =
+ t(RR3),
+ RR4 = "rr(" ++ MS ++ ", '_', {d,test1}).",
+ ?line [[state]] = scan(RR4),
+
+ Test = filename:join(?config(priv_dir, Config), "test.erl"),
+ Contents = <<"-module(test).
+ -record(state, {bin, reply, leader}).
+
+ -ifdef(test1).
+ -record(test1, {f}).
+ -endif.
+
+ -ifdef(test2).
+ -record(test2, {g}).
+ -endif.">>,
+ ?line ok = file:write_file(Test, Contents),
+
+ RR5 = "rr(\"" ++ Test ++ "\", '_', {d,test1}), rl([test1,test2]).",
+ ?line [{attribute,1,record,{test1,_}},ok] = scan(RR5),
+ RR6 = "rr(\"" ++ Test ++ "\", '_', {d,test2}), rl([test1,test2]).",
+ ?line [{attribute,1,record,{test2,_}},ok] = scan(RR6),
+ RR7 = "rr(\"" ++ Test ++
+ "\", '_', [{d,test1},{d,test2,17}]), rl([test1,test2]).",
+ ?line [{attribute,1,record,{test1,_}},{attribute,1,record,{test2,_}},
+ ok] = scan(RR7),
+ ?line PreReply = scan(<<"rr(prim_file).">>), % preloaded...
+ ?line true = is_list(PreReply),
+ ?line Dir = filename:join(?config(priv_dir, Config), "*.erl"),
+ ?line RR8 = "rp(rr(\"" ++ Dir ++ "\")).",
+ ?line [_,ok] = scan(RR8),
+ file:delete(Test),
+
+ RR1000 = "begin rr(" ++ MS ++ ") end.",
+ ?line [_] = scan(RR1000),
+ RR1001 = "begin rr(" ++ MS ++ ", state) end.",
+ ?line [_] = scan(RR1001),
+ RR1002 = "begin rr(" ++ MS ++ ", state,{i,'.'}) end.",
+ ?line [_] = scan(RR1002),
+
+ ?line [{error,nofile}] = scan(<<"rr(not_a_module).">>),
+ ?line [{error,invalid_filename}] = scan(<<"rr({foo}).">>),
+ ?line [[]] = scan(<<"rr(\"not_a_file\").">>),
+
+ %% using records
+ ?line [2] = scan(<<"rd(foo,{bar}), record_info(size, foo).">>),
+ ?line [true] = scan(<<"rd(foo,{bar}), is_record(#foo{}, foo).">>),
+ ?line [true] = scan(<<"rd(foo,{bar}), erlang:is_record(#foo{}, foo).">>),
+ ?line [true] = scan(<<"rd(foo,{bar}),
+ fun() when record(#foo{},foo) -> true end().">>),
+ ?line [2] = scan(<<"rd(foo,{bar}), #foo.bar.">>),
+ ?line "#foo{bar = 17}.\n" =
+ t(<<"rd(foo,{bar}), A = #foo{}, A#foo{bar = 17}.">>),
+
+ %% test of is_record/2 in lc
+ ?line "[#foo{bar = 3}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "is_record(X, foo)].">>),
+ ?line "[x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "not is_record(X, foo)].">>),
+ ?line "[#foo{bar = 3}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "begin is_record(X, foo) end].">>),
+ ?line "[x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "begin not is_record(X, foo) end].">>),
+
+ ?line "[#foo{bar = 3},x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "is_record(X, foo) or not is_binary(X)].">>),
+ ?line "[#foo{bar = 3},x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "not is_record(X, foo) or not is_binary(X)].">>),
+ ?line "[#foo{bar = 3}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "is_record(X, foo) or is_reference(X)].">>),
+ ?line "[x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "not is_record(X, foo) or is_reference(X)].">>),
+
+ ?line "[#foo{bar = 3},x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "begin is_record(X, foo) or not is_binary(X) end].">>),
+ ?line "[#foo{bar = 3},x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "begin not is_record(X, foo) or not is_binary(X) end].">>),
+ ?line "[#foo{bar = 3}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "begin is_record(X, foo) or is_reference(X) end].">>),
+ ?line "[x,[],{a,b}].\n" =
+ t(<<"rd(foo,{bar}), [X || X <- [#foo{bar=3},x,[],{a,b}],"
+ "begin not is_record(X, foo) or is_reference(X) end].">>),
+
+ ?line [ok] =
+ scan(<<"rd(a,{}), is_record({a},a) andalso true, b().">>),
+
+ %% nested record defs
+ ?line "#b{a = #a{}}.\n" = t(<<"rd(a,{}), rd(b, {a = #a{}}), #b{}.">>),
+
+ ?line [ok,ok,ok] = scan(<<"rf('_'), rp(rp(rl(rf(rf(rf(rl())))))).">>),
+
+ ok.
+
+known_bugs(doc) ->
+ ["Known bugs."];
+known_bugs(suite) ->
+ [];
+known_bugs(Config) when is_list(Config) ->
+ %% erl_eval:merge_bindings/2 cannot handle _removal_ of bindings.
+ ?line [3] = scan(<<"A = 3, length(begin f(A), [3] end), A.">>),
+ ok.
+
+otp_5226(doc) ->
+ ["OTP-5226. Wildcards accepted when reading BEAM files using rr/1,2,3."];
+otp_5226(suite) ->
+ [];
+otp_5226(Config) when is_list(Config) ->
+ Test1 = <<"-module(test1).
+ -record('_test1', {a,b}).">>,
+ Test2 = <<"-module(test2).
+ -record('_test2', {c,d}).">>,
+ ?line File1 = filename("test1.erl", Config),
+ ?line File2 = filename("test2.erl", Config),
+ ?line Beam = filename("*.beam", Config),
+ ?line ok = compile_file(Config, File1, Test1, [no_debug_info]),
+ ?line ok = compile_file(Config, File2, Test2, [no_debug_info]),
+ RR = "rr(\"" ++ Beam ++ "\").",
+ ?line [Recs] = scan(RR),
+ ?line true = lists:member('_test1', Recs),
+ ?line true = lists:member('_test2', Recs),
+ file:delete(filename("test1.beam", Config)),
+ file:delete(filename("test2.beam", Config)),
+ file:delete(File1),
+ file:delete(File2),
+ ok.
+
+otp_5327(doc) ->
+ ["OTP-5226. Test of eval_bits, mostly."];
+otp_5327(suite) ->
+ [];
+otp_5327(Config) when is_list(Config) ->
+ ?line "exception error: bad argument" =
+ comm_err(<<"<<\"hej\":default>>.">>),
+ ?line <<"abc">> =
+ erl_parse:normalise({bin,1,[{bin_element,1,{string,1,"abc"},
+ default,default}]}),
+ ?line [<<"abc">>] = scan(<<"<<(<<\"abc\">>):3/binary>>.">>),
+ ?line [<<"abc">>] = scan(<<"<<(<<\"abc\">>)/binary>>.">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"<<(<<\"abc\">>):4/binary>>.">>),
+ ?line true = byte_size(hd(scan("<<3.14:64/float>>."))) =:= 8,
+ ?line true = byte_size(hd(scan("<<3.14:32/float>>."))) =:= 4,
+ ?line "exception error: bad argument" =
+ comm_err(<<"<<3.14:128/float>>.">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"<<10:default>>.">>),
+ ?line [<<98,1:1>>] = scan(<<"<<3:3,5:6>>.">>),
+ ?line {'EXIT',{badarg,_}} =
+ (catch erl_parse:normalise({bin,1,[{bin_element,1,{integer,1,17},
+ {atom,1,all},
+ default}]})),
+ ?line [<<-20/signed>>] = scan(<<"<<-20/signed>> = <<-20>>.">>),
+ ?line [<<-300:16/signed>>] =
+ scan(<<"<<-300:16/signed>> = <<-300:16>>.">>),
+ ?line [<<-1000:24/signed>>] =
+ scan(<<"<<-1000:24/signed>> = <<-1000:24>>.">>),
+ ?line [<<-(1 bsl 29):32/signed>>] =
+ scan(<<"<<-(1 bsl 29):32/signed>> = <<-(1 bsl 29):32>>.">>),
+
+ ?line "exception error: no match of right hand side value <<0,0,0>>" =
+ comm_err(<<"<<B:3/unit:7-binary,_/binary>> = <<0:24>>.">>),
+ ?line true = [<<103133:64/float>>] =:=
+ scan(<<"<<103133:64/float>> = <<103133:64/float>>.">>),
+ ?line true = [<<103133.0:64/float>>] =:=
+ scan(<<"<<103133.0:64/float>> = <<103133:64/float>>.">>),
+ ?line true = [<<103133:64/float>>] =:= scan(<<"<<103133:64/float>>.">>),
+ Int = 17,
+ ?line true = [<<Int:64/float>>] =:= scan(<<"Int = 17, <<Int:64/float>>.">>),
+ ?line "exception error: no match of right hand side value" ++ _ =
+ comm_err(<<"<<103133:64/binary>> = <<103133:64/float>>.">>),
+ ?line "exception error: interpreted function with arity 1 called with two arguments" =
+ comm_err(<<"(fun(X) -> X end)(a,b).">>),
+ ?line {'EXIT', {{illegal_pattern,_}, _}} =
+ (catch evaluate("<<A:a>> = <<17:32>>.", [])),
+ C = <<"
+ <<A:4,B:4,C:4,D:4,E:4,F:4>> = <<\"hej\">>,
+ case <<7:4,A:4,B:4,C:4,D:4,E:4,F:4,3:4>> of
+ <<_:4,\"hej\",3:4>> -> 1;
+ _ -> 2
+ end.
+ ">>,
+ ?line 1 = evaluate(C, []),
+ %% unbound_var would be nicer...
+ ?line {'EXIT',{{illegal_pattern,_},_}} =
+ (catch evaluate(<<"<<A:B>> = <<17:32>>.">>, [])),
+ %% undefined_bittype is turned into badmatch:
+ ?line {'EXIT',{{badmatch,<<17:32>>},_}} =
+ (catch evaluate(<<"<<A/apa>> = <<17:32>>.">>, [])),
+ ?line {'EXIT',_} =
+ (catch evaluate(<<"<<17/binary-unit:8-unit:16>>.">>, [])),
+ ?line {'EXIT',_} =
+ (catch evaluate(<<"<<17:32/unsigned-signed>> = <<17:32>>.">>, [])),
+ ?line {'EXIT',_} =
+ (catch evaluate(<<"<<17:32/unsigned-signed>>.">>, [])),
+ ?line <<17:32>> = evaluate(<<"<<17:32/signed-signed>>.">>, []),
+ ?line {'EXIT',_} =
+ (catch evaluate(<<"<<32/unit:8>>.">>, [])),
+ ok.
+
+otp_5435(doc) ->
+ ["OTP-5435. sys_pre_expand not in the path."];
+otp_5435(suite) ->
+ [];
+otp_5435(Config) when is_list(Config) ->
+ ?line true = <<103133:64/float>> =:=
+ evaluate(<<"<<103133:64/float>> = <<103133:64/float>>.">>, []),
+ ?line true = <<103133.0:64/float>> =:=
+ evaluate(<<"<<103133.0:64/float>> = <<103133:64/float>>.">>, []),
+ ?line true = is_alive(),
+ ?line {ok, Node} = start_node(shell_SUITE_otp_5435),
+ ?line ok = rpc:call(Node, ?MODULE, otp_5435_2, []),
+ ?line ?t:stop_node(Node),
+ ok.
+
+start_node(Name) ->
+ ?line PA = filename:dirname(code:which(?MODULE)),
+ ?t:start_node(Name, slave, [{args, "-pa " ++ PA}]).
+
+otp_5435_2() ->
+ ?line true = code:del_path(compiler),
+ %% sys_pre_expand can no longer be found
+ %% OTP-5876. But erl_expand_records can!
+ ?line [{attribute,_,record,{bar,_}},ok] =
+ scan(<<"rd(foo,{bar}),
+ rd(bar,{foo = (#foo{})#foo.bar}),
+ rl(bar).">>),
+ ok.
+
+otp_5195(doc) ->
+ ["OTP-5195. QLC, mostly."];
+otp_5195(suite) ->
+ [];
+otp_5195(Config) when is_list(Config) ->
+ %% QLC. It was easier to put these cases here than in qlc_SUITE.
+ ?line "[#a{b = undefined}].\n" =
+ t(<<"rd(a,{b}), qlc:e(qlc:q([X || X <- [#a{}],is_record(X, a)])).">>),
+
+ %% An experimental shell used to translate error tuples:
+ %% "(qlc) \"1: generated variable 'X' must not be used in "
+ %% "list expression\".\n" =
+ %% t(<<"qlc:q([X || X <- [{a}], Y <- [X]]).">>),
+ %% Same as last one (if the shell does not translate error tuples):
+ ?line [{error,qlc,{1,qlc,{used_generator_variable,'X'}}}] =
+ scan(<<"qlc:q([X || X <- [{a}], Y <- [X]]).">>),
+ ?line {error,qlc,{1,qlc,{used_generator_variable,'X'}}} =
+ evaluate(<<"qlc:q([X || X <- [{a}], Y <- [X]]).">>, []),
+ Ugly = <<"qlc:e(qlc:q([X || X <- qlc:append([[1,2,3],ugly()])])).">>,
+ ?line "undefined shell command ugly/0" = error_string(Ugly),
+ ?line {'EXIT',{undef,_}} = (catch evaluate(Ugly, [])),
+
+ V_1 = <<"qlc:e(qlc:q([X || X <- qlc:append([[1,2,3],v(-1)])])).">>,
+ ?line "- 1: command not found" = comm_err(V_1),
+ ?line {'EXIT', {undef,_}} = (catch evaluate(V_1, [])),
+
+ ?line "1\n2\n3\n3.\n" =
+ t(<<"1. 2. 3. 3 = fun(A) when A =:= 2 -> v(3) end(v(2)).">>),
+
+ ?line List4 = t(<<"[a,list]. A = [1,2]. "
+ "qlc:q([X || X <- qlc:append(A, v(1))]). "
+ "[1,2,a,list] = qlc:e(v(-1)).">>),
+ ?line "[1,2,a,list].\n" = string:substr(List4, string:len(List4)-13),
+
+ ok.
+
+otp_5915(doc) ->
+ ["OTP-5915. Strict record tests in guards."];
+otp_5915(suite) ->
+ [];
+otp_5915(Config) when is_list(Config) ->
+ C = <<"
+ rd(r, {a = 4,b}),
+ rd(r1, {a,b}),
+ rd(r2, {a = #r1{},b,c=length([1,2,3])}),
+ rd(r3, {a = fun(_) -> #r1{} end(1), b}),
+
+ foo = fun(A) when A#r1.a > A#r1.b -> foo end(#r1{b = 2}),
+ 0 = fun(A) when A#r2.a -> 0 end(#r2{a = true}),
+ 1 = fun(A) when (#r1{a = A})#r1.a > 2 -> 1 end(3),
+ 2 = fun(N) when ((#r2{a = #r{a = 4}, b = length([a,b,c])})#r2.a)#r.a > N ->
+ 2 end(2),
+ 3 = fun(A) when (A#r2.a)#r1.a =:= 3 -> 3 end(#r2{a = #r1{a = 3}}),
+ ok = fun() ->
+ F = fun(A) when record(A#r.a, r1) -> 4;
+ (A) when record(A#r1.a, r1) -> 5
+ end,
+ 5 = F(#r1{a = #r1{}}),
+ 4 = F(#r{a = #r1{}}),
+ ok
+ end(),
+ 3 = fun(A) when record(A#r1.a, r),
+ (A#r1.a)#r.a > 3 -> 3
+ end(#r1{a = #r{a = 4}}),
+ 7 = fun(A) when record(A#r3.a, r1) -> 7 end(#r3{}),
+ [#r1{a = 2,b = 1}] =
+ fun() ->
+ [A || A <- [#r1{a = 1, b = 3},
+ #r2{a = 2,b = 1},
+ #r1{a = 2, b = 1}],
+ A#r1.a >
+ A#r1.b]
+ end(),
+ {[_],b} =
+ fun(L) ->
+ %% A is checked only once:
+ R1 = [{A,B} || A <- L, A#r1.a, B <- L, A#r1.b],
+ A = #r2{a = true},
+ %% A is checked again:
+ B = if A#r1.a -> a; true -> b end,
+ {R1,B}
+ end([#r1{a = true, b = true}]),
+
+ p = fun(A) when (A#r1.a =:= 2) or (A#r2.a =:= 1) -> o;
+ (_) -> p
+ end(#r1{a = 2}),
+
+ o = fun(A) when (A#r1.a =:= 2) orelse (A#r2.a =:= 1) -> o;
+ (_) -> p
+ end(#r1{a = 2}),
+
+ 3 = fun(A) when A#r1.a > 3,
+ record(A, r1) -> 3
+ end(#r1{a = 5}),
+
+ ok = fun() ->
+ F = fun(A) when (A#r2.a =:= 1) orelse (A#r2.a) -> 2;
+ (A) when (A#r1.a =:= 1) orelse (A#r1.a) -> 1;
+ (A) when (A#r2.a =:= 2) andalso (A#r2.b) -> 3
+ end,
+ 1 = F(#r1{a = 1}),
+ 2 = F(#r2{a = true}),
+ 3 = F(#r2{a = 2, b = true}),
+ ok
+ end(),
+
+ b = fun(A) when false or not (A#r.a =:= 1) -> a;
+ (_) -> b
+ end(#r1{a = 1}),
+ b = fun(A) when not (A#r.a =:= 1) or false -> a;
+ (_) -> b
+ end(#r1{a = 1}),
+
+ ok = fun() ->
+ F = fun(A) when not (A#r.a =:= 1) -> yes;
+ (_) -> no
+ end,
+ no = F(#r1{a = 2}),
+ yes = F(#r{a = 2}),
+ no = F(#r{a = 1}),
+ ok
+ end(),
+
+ a = fun(A) when record(A, r),
+ A#r.a =:= 1,
+ A#r.b =:= 2 ->a
+ end(#r{a = 1, b = 2}),
+ a = fun(A) when erlang:is_record(A, r),
+ A#r.a =:= 1,
+ A#r.b =:= 2 -> a
+ end(#r{a = 1, b = 2}),
+ a = fun(A) when is_record(A, r),
+ A#r.a =:= 1,
+ A#r.b =:= 2 -> a
+ end(#r{a = 1, b = 2}),
+
+ nop = fun(A) when (is_record(A, r1) and (A#r1.a > 3)) or (A#r2.a < 1) ->
+ japp;
+ (_) ->
+ nop
+ end(#r2{a = 0}),
+ nop = fun(A) when (A#r1.a > 3) or (A#r2.a < 1) -> japp;
+ (_) ->
+ nop
+ end(#r2{a = 0}),
+
+ ok = fun() ->
+ F = fun(A) when (A#r1.a =:= 2) or (A#r2.a =:= 1) -> o;
+ (_) -> p
+ end,
+ p = F(#r2{a = 1}),
+ p = F(#r1{a = 2}),
+ ok
+ end(),
+
+ ok = fun() ->
+ F = fun(A) when fail, A#r1.a; A#r1.a -> ab;
+ (_) -> bu
+ end,
+ ab = F(#r1{a = true}),
+ bu = F(#r2{a = true}),
+ ok
+ end(),
+
+ both = fun(A) when A#r.a, A#r.b -> both
+ end(#r{a = true, b = true}),
+
+ ok = fun() ->
+ F = fun(A, B) when ((A#r1.a) orelse (B#r2.a))
+ or (B#r2.b) or (A#r1.b) -> true;
+ (_, _) -> false
+ end,
+ true = F(#r1{a = false, b = false}, #r2{a = false, b = true}),
+ false = F(#r1{a = true, b = true}, #r1{a = false, b = true}),
+ ok
+ end(),
+
+ ok.">>,
+ [ok] = scan(C),
+ ok.
+
+otp_5916(doc) ->
+ ["OTP-5916. erlang:is_record/3 allowed in guards."];
+otp_5916(suite) ->
+ [];
+otp_5916(Config) when is_list(Config) ->
+ C = <<"
+ rd(r1, {a,b}),
+ rd(r2, {a,b}),
+
+ true = if erlang:is_record(#r1{},r1,3) -> true; true -> false end,
+ false = if erlang:is_record(#r2{},r1,3) -> true; true -> false end,
+
+ true = if is_record(#r1{},r1,3) -> true; true -> false end,
+ false = if is_record(#r2{},r1,3) -> true; true -> false end,
+
+ true = if {erlang,is_record}(#r1{},r1,3) -> true; true -> false end,
+ false = if {erlang,is_record}(#r2{},r1,3) -> true; true -> false end,
+
+ ok.">>,
+ [ok] = scan(C),
+ ok.
+
+bits(suite) ->
+ [bs_match_misc_SUITE, % bs_match_int_SUITE/,
+ bs_match_tail_SUITE, bs_match_bin_SUITE, bs_construct_SUITE].
+
+bs_match_misc_SUITE(doc) ->
+ ["OTP-5327. Adopted from parts of emulator/test/bs_match_misc_SUITE.erl."];
+bs_match_misc_SUITE(suite) ->
+ [];
+bs_match_misc_SUITE(Config) when is_list(Config) ->
+ C = <<"
+ F1 = fun() -> 3.1415 end,
+
+ FOne = fun() -> 1.0 end,
+
+ Fcmp = fun(F1, F2) when (F1 - F2) / F2 < 0.0000001 -> ok end,
+
+ MakeSubBin = fun(Bin0) ->
+ Sz = size(Bin0),
+ Bin1 = <<37,Bin0/binary,38,39>>,
+ <<_:8,Bin:Sz/binary,_:8,_:8>> = Bin1,
+ Bin
+ end,
+
+ MatchFloat =
+ fun(Bin0, Fsz, I) ->
+ Bin = MakeSubBin(Bin0),
+ Bsz = size(Bin) * 8,
+ Tsz = Bsz - Fsz - I,
+ <<_:I,F:Fsz/float,_:Tsz>> = Bin,
+ F
+ end,
+
+ TFloat = fun() ->
+ F = F1(),
+ G = FOne(),
+
+ G = MatchFloat(<<63,128,0,0>>, 32, 0),
+ G = MatchFloat(<<63,240,0,0,0,0,0,0>>, 64, 0),
+
+ Fcmp(F, MatchFloat(<<F:32/float>>, 32, 0)),
+ Fcmp(F, MatchFloat(<<F:64/float>>, 64, 0)),
+ Fcmp(F, MatchFloat(<<1:1,F:32/float,127:7>>, 32, 1)),
+ Fcmp(F, MatchFloat(<<1:1,F:64/float,127:7>>, 64, 1)),
+ Fcmp(F, MatchFloat(<<1:13,F:32/float,127:3>>, 32, 13)),
+ Fcmp(F, MatchFloat(<<1:13,F:64/float,127:3>>, 64, 13))
+ end,
+ TFloat(),
+
+ F2 = fun() -> 2.7133 end,
+
+ MatchFloatLittle = fun(Bin0, Fsz, I) ->
+ Bin = MakeSubBin(Bin0),
+ Bsz = size(Bin) * 8,
+ Tsz = Bsz - Fsz - I,
+ <<_:I,F:Fsz/float-little,_:Tsz>> = Bin,
+ F
+ end,
+
+ LittleFloat = fun() ->
+ F = F2(),
+ G = FOne(),
+
+ G = MatchFloatLittle(<<0,0,0,0,0,0,240,63>>, 64, 0),
+ G = MatchFloatLittle(<<0,0,128,63>>, 32, 0),
+
+ Fcmp(F, MatchFloatLittle(<<F:32/float-little>>, 32, 0)),
+ Fcmp(F, MatchFloatLittle(<<F:64/float-little>>, 64, 0)),
+ Fcmp(F, MatchFloatLittle(<<1:1,F:32/float-little,127:7>>, 32, 1)),
+ Fcmp(F, MatchFloatLittle(<<1:1,F:64/float-little,127:7>>, 64, 1)),
+ Fcmp(F, MatchFloatLittle(<<1:13,F:32/float-little,127:3>>, 32, 13)),
+ Fcmp(F, MatchFloatLittle(<<1:13,F:64/float-little,127:3>>, 64, 13))
+ end,
+ LittleFloat(),
+
+ Sean1 = fun(<<B/binary>>) when size(B) < 4 -> small;
+ (<<1, _B/binary>>) -> large
+ end,
+
+ Sean = fun() ->
+ small = Sean1(<<>>),
+ small = Sean1(<<1>>),
+ small = Sean1(<<1,2>>),
+ small = Sean1(<<1,2,3>>),
+ large = Sean1(<<1,2,3,4>>),
+
+ small = Sean1(<<4>>),
+ small = Sean1(<<4,5>>),
+ small = Sean1(<<4,5,6>>),
+ {'EXIT',{function_clause,_}} = (catch Sean1(<<4,5,6,7>>))
+ end,
+ Sean(),
+
+ NativeBig = fun() ->
+ <<37.33:64/native-float>> = <<37.33:64/big-float>>,
+ <<3974:16/native-integer>> = <<3974:16/big-integer>>
+ end,
+
+ NativeLittle = fun() ->
+ <<37869.32343:64/native-float>> = <<37869.32343:64/little-float>>,
+ <<7974:16/native-integer>> = <<7974:16/little-integer>>
+ end,
+
+ Native = fun() ->
+ <<3.14:64/native-float>> = <<3.14:64/native-float>>,
+ <<333:16/native>> = <<333:16/native>>,
+ <<38658345:32/native>> = <<38658345:32/native>>,
+ case <<1:16/native>> of
+ <<0,1>> -> NativeBig();
+ <<1,0>> -> NativeLittle()
+ end
+ end,
+ Native(),
+
+ Split = fun(<<N:16,B:N/binary,T/binary>>) -> {B,T} end,
+
+ Split2 = fun(N, <<N:16,B:N/binary,T/binary>>) -> {B,T} end,
+
+ Split_2 = fun(<<N0:8,N:N0,B:N/binary,T/binary>>) -> {B,T} end,
+
+ Skip = fun(<<N:8,_:N/binary,T/binary>>) -> T end,
+
+ SizeVar = fun() ->
+ {<<45>>,<<>>} = Split(<<1:16,45>>),
+ {<<45>>,<<46,47>>} = Split(<<1:16,45,46,47>>),
+ {<<45,46>>,<<47>>} = Split(<<2:16,45,46,47>>),
+
+ {<<45,46,47>>,<<48>>} = Split_2(<<16:8,3:16,45,46,47,48>>),
+
+ {<<45,46>>,<<47>>} = Split2(2, <<2:16,45,46,47>>),
+ {'EXIT',{function_clause,_}} =
+ (catch Split2(42, <<2:16,45,46,47>>)),
+
+ <<\"cdef\">> = Skip(<<2:8,\"abcdef\">>)
+ end,
+ SizeVar(),
+
+ Wcheck = fun(<<A>>) when A==3-> ok1;
+ (<<_,_:2/binary>>) -> ok2;
+ (<<_>>) -> ok3;
+ (Other) -> {error,Other}
+ end,
+
+ Wiger = fun() ->
+ ok1 = Wcheck(<<3>>),
+ ok2 = Wcheck(<<1,2,3>>),
+ ok3 = Wcheck(<<4>>),
+ {error,<<1,2,3,4>>} = Wcheck(<<1,2,3,4>>),
+ {error,<<>>} = Wcheck(<<>>)
+ end,
+ Wiger(),
+
+ ok.
+ ">>,
+ [ok] = scan(C),
+ ok = evaluate(C, []).
+
+%% This one is not run during night builds since it takes several minutes.
+bs_match_int_SUITE(doc) ->
+ ["OTP-5327. Adopted from emulator/test/bs_match_int_SUITE.erl."];
+bs_match_int_SUITE(suite) ->
+ [];
+bs_match_int_SUITE(Config) when is_list(Config) ->
+ C = <<"
+ FunClause = fun({'EXIT',{function_clause,_}}) -> ok end,
+
+ Mkbin = fun(L) when list(L) -> list_to_binary(L) end,
+
+ GetInt1 = fun(<<I:0>>) -> I;
+ (<<I:8>>) -> I;
+ (<<I:16>>) -> I;
+ (<<I:24>>) -> I;
+ (<<I:32>>) -> I
+ end,
+
+ GetInt2 = fun(Bin0, I, F) when size(Bin0) < 4 ->
+ Bin = <<0,Bin0/binary>>,
+ I = GetInt1(Bin),
+ F(Bin, I, F);
+ (_, I, _F) -> I
+ end,
+
+ GetInt = fun(Bin) ->
+ I = GetInt1(Bin),
+ GetInt2(Bin, I, GetInt2)
+ end,
+
+
+ Cmp128 = fun(<<I:128>>, I) -> equal;
+ (_, _) -> not_equal
+ end,
+
+ Uint2 = fun([H|T], Acc, F) -> F(T, Acc bsl 8 bor H, F);
+ ([], Acc, _F) -> Acc
+ end,
+
+ Uint = fun(L) -> Uint2(L, 0, Uint2) end,
+
+ Integer = fun() ->
+ 0 = GetInt(Mkbin([])),
+ 0 = GetInt(Mkbin([0])),
+ 42 = GetInt(Mkbin([42])),
+ 255 = GetInt(Mkbin([255])),
+ 256 = GetInt(Mkbin([1,0])),
+ 257 = GetInt(Mkbin([1,1])),
+ 258 = GetInt(Mkbin([1,2])),
+ 258 = GetInt(Mkbin([1,2])),
+ 65534 = GetInt(Mkbin([255,254])),
+ 16776455 = GetInt(Mkbin([255,253,7])),
+ 4245492555 = GetInt(Mkbin([253,13,19,75])),
+ 4294967294 = GetInt(Mkbin([255,255,255,254])),
+ 4294967295 = GetInt(Mkbin([255,255,255,255])),
+ Eight = [200,1,19,128,222,42,97,111],
+ Cmp128(Eight, Uint(Eight)),
+ FunClause(catch GetInt(Mkbin(lists:seq(1,5))))
+ end,
+ Integer(),
+
+ Sint = fun(Bin) ->
+ case Bin of
+ <<I:8/signed>> -> I;
+ <<I:8/signed,_:3,_:5>> -> I;
+ Other -> {no_match,Other}
+ end
+ end,
+
+ SignedInteger = fun() ->
+ {no_match,_} = Sint(Mkbin([])),
+ {no_match,_} = Sint(Mkbin([1,2,3])),
+ 127 = Sint(Mkbin([127])),
+ -1 = Sint(Mkbin([255])),
+ -128 = Sint(Mkbin([128])),
+ 42 = Sint(Mkbin([42,255])),
+ 127 = Sint(Mkbin([127,255]))
+ end,
+ SignedInteger(),
+
+ Dynamic5 = fun(Bin, S1, S2, A, B) ->
+ case Bin of
+ <<A:S1,B:S2>> ->
+ % io:format(\"~p ~p ~p ~p~n\", [S1,S2,A,B]),
+ ok;
+ _Other -> erlang:error(badmatch, [Bin,S1,S2,A,B])
+ end
+ end,
+
+ Dynamic2 = fun(Bin, S1, F) when S1 >= 0 ->
+ S2 = size(Bin) * 8 - S1,
+ Dynamic5(Bin, S1, S2, (1 bsl S1) - 1, (1 bsl S2) - 1),
+ F(Bin, S1-1, F);
+ (_, _, _) -> ok
+ end,
+
+ Dynamic = fun(Bin, S1) ->
+ Dynamic2(Bin, S1, Dynamic2)
+ end,
+
+ Dynamic(Mkbin([255]), 8),
+ Dynamic(Mkbin([255,255]), 16),
+ Dynamic(Mkbin([255,255,255]), 24),
+ Dynamic(Mkbin([255,255,255,255]), 32),
+
+ BigToLittle4 =
+ fun([B0,B1,B2,B3,B4,B5,B6,B7|T], N, Acc, F) when N >= 8 ->
+ F(T, N-8, [B0,B1,B2,B3,B4,B5,B6,B7|Acc], F);
+ (List, N, Acc, _F) -> lists:sublist(List, 1, N) ++ Acc
+ end,
+
+ BigToLittle =
+ fun(List, N) -> BigToLittle4(List, N, [], BigToLittle4) end,
+
+ ReversedSublist =
+ fun(_List, 0, Acc, _F) -> Acc;
+ ([H|T], N, Acc, F) -> F(T, N-1, [H|Acc], F)
+ end,
+
+ TwoComplementAndReverse =
+ fun([H|T], Carry, Acc, F) ->
+ Sum = 1-H+Carry,
+ F(T, Sum div 2, [Sum rem 2|Acc], F);
+ ([], Carry, Acc, _F) -> [Carry|Acc]
+ end,
+
+ MakeInt = fun(_List, 0, Acc, _F) -> Acc;
+ ([H|T], N, Acc, F) -> F(T, N-1, Acc bsl 1 bor H, F)
+ end,
+
+ MakeSignedInt =
+ fun(_List, 0) -> 0;
+ ([0|_]=List, N) -> MakeInt(List, N, 0, MakeInt);
+ ([1|_]=List0, N) ->
+ List1 = ReversedSublist(List0, N, [], ReversedSublist),
+ List2 = TwoComplementAndReverse(List1, 1, [],
+ TwoComplementAndReverse),
+ -MakeInt(List2, length(List2), 0, MakeInt)
+ end,
+
+ BitsToList =
+ fun([H|T], 0, F) -> F(T, 16#80, F);
+ ([H|_]=List, Mask, F) ->
+ [case H band Mask of
+ 0 -> 0;
+ _ -> 1
+ end | F(List, Mask bsr 1, F)];
+ ([], _, _F) -> []
+ end,
+
+ MoreDynamic3 =
+ fun(Action, Bin, List, Bef, Aft, F) when Bef =< Aft ->
+ Action(Bin, List, Bef, Aft-Bef),
+ F(Action, Bin, List, Bef, Aft-1, F);
+ (_, _, _, _, _, _) -> ok
+ end,
+
+ MoreDynamic2 =
+ fun(Action, Bin, [_|T]=List, Bef, F) ->
+ MoreDynamic3(Action, Bin, List, Bef, size(Bin)*8,
+ MoreDynamic3),
+ F(Action, Bin, T, Bef+1, F);
+ (_, _, [], _, _F) -> ok
+ end,
+
+ MoreDynamic1 =
+ fun(Action, Bin) ->
+ BitList = BitsToList(binary_to_list(Bin),16#80,BitsToList),
+ MoreDynamic2(Action, Bin, BitList, 0, MoreDynamic2)
+ end,
+
+ MoreDynamic = fun() ->
+ % Unsigned big-endian numbers.
+ Unsigned = fun(Bin, List, SkipBef, N) ->
+ SkipAft = 8*size(Bin) - N - SkipBef,
+ <<_:SkipBef,Int:N,_:SkipAft>> = Bin,
+ Int = MakeInt(List, N, 0, MakeInt)
+ end,
+ MoreDynamic1(Unsigned, erlang:md5(Mkbin([42]))),
+
+ %% Signed big-endian numbers.
+ Signed = fun(Bin, List, SkipBef, N) ->
+ SkipAft = 8*size(Bin) - N - SkipBef,
+ <<_:SkipBef,Int:N/signed,_:SkipAft>> = Bin,
+ case MakeSignedInt(List, N) of
+ Int -> ok;
+ Other ->
+ io:format(\"Bin = ~p,\", [Bin]),
+ io:format(\"SkipBef = ~p, N = ~p\",
+ [SkipBef,N]),
+ io:format(\"Expected ~p, got ~p\",
+ [Int,Other])
+ end
+ end,
+ MoreDynamic1(Signed, erlang:md5(Mkbin([43]))),
+
+ %% Unsigned little-endian numbers.
+ UnsLittle = fun(Bin, List, SkipBef, N) ->
+ SkipAft = 8*size(Bin) - N - SkipBef,
+ <<_:SkipBef,Int:N/little,_:SkipAft>> = Bin,
+ Int = MakeInt(BigToLittle(List, N), N, 0,
+ MakeInt)
+ end,
+ MoreDynamic1(UnsLittle, erlang:md5(Mkbin([44]))),
+
+ %% Signed little-endian numbers.
+ SignLittle = fun(Bin, List, SkipBef, N) ->
+ SkipAft = 8*size(Bin) - N - SkipBef,
+ <<_:SkipBef,Int:N/signed-little,_:SkipAft>> = Bin,
+ Little = BigToLittle(List, N),
+ Int = MakeSignedInt(Little, N)
+ end,
+ MoreDynamic1(SignLittle, erlang:md5(Mkbin([45])))
+ end,
+ MoreDynamic(),
+
+ ok.
+ ">>,
+ [ok] = scan(C),
+ ok = evaluate(C, []).
+
+bs_match_tail_SUITE(doc) ->
+ ["OTP-5327. Adopted from emulator/test/bs_match_tail_SUITE.erl."];
+bs_match_tail_SUITE(suite) ->
+ [];
+bs_match_tail_SUITE(Config) when is_list(Config) ->
+ C = <<"
+ GetTailUsed = fun(<<A:1,T/binary>>) -> {A,T} end,
+
+ GetTailUnused = fun(<<A:15,_/binary>>) -> A end,
+
+ GetDynTailUsed = fun(Bin, Sz) ->
+ <<A:Sz,T/binary>> = Bin,
+ {A,T}
+ end,
+
+ GetDynTailUnused = fun(Bin, Sz) ->
+ <<A:Sz,_/binary>> = Bin,
+ A
+ end,
+
+ Mkbin = fun(L) when list(L) -> list_to_binary(L) end,
+
+ TestZeroTail = fun(<<A:8>>) -> A end,
+
+ TestZeroTail2 = fun(<<_A:4,_B:4>>) -> ok end,
+
+ ZeroTail = fun() ->
+ 7 = (catch TestZeroTail(Mkbin([7]))),
+ {'EXIT',{function_clause,_}} =
+ (catch TestZeroTail(Mkbin([1,2]))),
+ {'EXIT',{function_clause,_}} =
+ (catch TestZeroTail2(Mkbin([1,2,3])))
+ end,
+ ZeroTail(),
+
+ AlGetTailUsed = fun(<<A:16,T/binary>>) -> {A,T} end,
+
+ AlGetTailUnused = fun(<<A:16,_/binary>>) -> A end,
+
+ Aligned = fun() ->
+ Tail1 = Mkbin([]),
+ {258,Tail1} = AlGetTailUsed(Mkbin([1,2])),
+ Tail2 = Mkbin(lists:seq(1, 127)),
+ {35091,Tail2} = AlGetTailUsed(Mkbin([137,19|Tail2])),
+
+ 64896 = AlGetTailUnused(Mkbin([253,128])),
+ 64895 = AlGetTailUnused(Mkbin([253,127|lists:seq(42, 255)])),
+
+ Tail3 = Mkbin(lists:seq(0, 19)),
+ {0,Tail1} = GetDynTailUsed(Tail1, 0),
+ {0,Tail3} = GetDynTailUsed(Mkbin([Tail3]), 0),
+ {73,Tail3} = GetDynTailUsed(Mkbin([73|Tail3]), 8),
+
+ 0 = GetDynTailUnused(Mkbin([]), 0),
+ 233 = GetDynTailUnused(Mkbin([233]), 8),
+ 23 = GetDynTailUnused(Mkbin([23,22,2]), 8)
+ end,
+ Aligned(),
+
+ UnAligned = fun() ->
+ {'EXIT',{function_clause,_}} =
+ (catch GetTailUsed(Mkbin([42]))),
+ {'EXIT',{{badmatch,_},_}} =
+ (catch GetDynTailUsed(Mkbin([137]), 3)),
+ {'EXIT',{function_clause,_}} =
+ (catch GetTailUnused(Mkbin([42,33]))),
+ {'EXIT',{{badmatch,_},_}} =
+ (catch GetDynTailUnused(Mkbin([44]), 7))
+ end,
+ UnAligned(),
+ ok.
+ ">>,
+ [ok] = scan(C),
+ ok = evaluate(C, []).
+
+bs_match_bin_SUITE(doc) ->
+ ["OTP-5327. Adopted from emulator/test/bs_match_bin_SUITE.erl."];
+bs_match_bin_SUITE(suite) ->
+ [];
+bs_match_bin_SUITE(Config) when is_list(Config) ->
+ ByteSplitBinary =
+ <<"ByteSplit =
+ fun(L, B, Pos, Fun) when Pos >= 0 ->
+ Sz1 = Pos,
+ Sz2 = size(B) - Pos,
+ <<B1:Sz1/binary,B2:Sz2/binary>> = B,
+ B1 = list_to_binary(lists:sublist(L, 1, Pos)),
+ B2 = list_to_binary(lists:nthtail(Pos, L)),
+ Fun(L, B, Pos-1, Fun);
+ (L, B, _, _Fun) -> ok
+ end,
+ Mkbin = fun(L) when list(L) -> list_to_binary(L) end,
+ L = lists:seq(0, 57),
+ B = Mkbin(L),
+ ByteSplit(L, B, size(B), ByteSplit),
+ Id = fun(I) -> I end,
+ MakeUnalignedSubBinary =
+ fun(Bin0) ->
+ Bin1 = <<0:3,Bin0/binary,31:5>>,
+ Sz = size(Bin0),
+ <<0:3,Bin:Sz/binary,31:5>> = Id(Bin1),
+ Bin
+ end,
+ Unaligned = MakeUnalignedSubBinary(B),
+ ByteSplit(L, Unaligned, size(Unaligned), ByteSplit),
+ ok.
+ ">>,
+ [ok] = scan(ByteSplitBinary),
+ ok = evaluate(ByteSplitBinary, []),
+ BitSplitBinary =
+ <<"Mkbin = fun(L) when list(L) -> list_to_binary(L) end,
+
+ MakeInt =
+ fun(List, 0, Acc, _F) -> Acc;
+ ([H|T], N, Acc, F) -> F(T, N-1, Acc bsl 1 bor H, F)
+ end,
+
+ MakeBinFromList =
+ fun(List, 0, _F) -> Mkbin([]);
+ (List, N, F) ->
+ list_to_binary([MakeInt(List, 8, 0, MakeInt),
+ F(lists:nthtail(8, List), N-8, F)])
+ end,
+
+ BitSplitBinary3 =
+ fun(Action, Bin, List, Bef, Aft, F) when Bef =< Aft ->
+ Action(Bin, List, Bef, (Aft-Bef) div 8 * 8),
+ F(Action, Bin, List, Bef, Aft-8, F);
+ (_, _, _, _, _, _) -> ok
+ end,
+
+ BitSplitBinary2 =
+ fun(Action, Bin, [_|T]=List, Bef, F) ->
+ BitSplitBinary3(Action, Bin, List, Bef, size(Bin)*8,
+ BitSplitBinary3),
+ F(Action, Bin, T, Bef+1, F);
+ (Action, Bin, [], Bef, F) -> ok
+ end,
+
+ BitsToList =
+ fun([H|T], 0, F) -> F(T, 16#80, F);
+ ([H|_]=List, Mask, F) ->
+ [case H band Mask of
+ 0 -> 0;
+ _ -> 1
+ end | F(List, Mask bsr 1, F)];
+ ([], _, _F) -> []
+ end,
+
+ BitSplitBinary1 =
+ fun(Action, Bin) ->
+ BitList = BitsToList(binary_to_list(Bin), 16#80,
+ BitsToList),
+ BitSplitBinary2(Action, Bin, BitList, 0, BitSplitBinary2)
+ end,
+
+ Fun = fun(Bin, List, SkipBef, N) ->
+ SkipAft = 8*size(Bin) - N - SkipBef,
+ <<I1:SkipBef,OutBin:N/binary-unit:1,I2:SkipAft>> = Bin,
+ OutBin = MakeBinFromList(List, N, MakeBinFromList)
+ end,
+
+ BitSplitBinary1(Fun, erlang:md5(<<1,2,3>>)),
+ Id = fun(I) -> I end,
+ MakeUnalignedSubBinary =
+ fun(Bin0) ->
+ Bin1 = <<0:3,Bin0/binary,31:5>>,
+ Sz = size(Bin0),
+ <<0:3,Bin:Sz/binary,31:5>> = Id(Bin1),
+ Bin
+ end,
+ BitSplitBinary1(Fun, MakeUnalignedSubBinary(erlang:md5(<<1,2,3>>))),
+ ok.
+ ">>,
+ [ok] = scan(BitSplitBinary),
+ ok = evaluate(BitSplitBinary, []).
+
+-define(FAIL(Expr), "{'EXIT',{badarg,_}} = (catch " ??Expr ")").
+
+-define(COF(Int0),
+ "(fun(Int) ->
+ true = <<Int:32/float>> =:= <<(float(Int)):32/float>>,
+ true = <<Int:64/float>> =:= <<(float(Int)):64/float>>
+ end)(Nonliteral(" ??Int0 ")),
+ true = <<" ??Int0 ":32/float>> =:= <<(float("??Int0")):32/float>>,
+ true = <<" ??Int0 ":64/float>> =:= <<(float("??Int0")):64/float>>").
+
+-define(COF64(Int0),
+ "(fun(Int) ->
+ true = <<Int:64/float>> =:= <<(float(Int)):64/float>>
+ end)(Nonliteral(" ??Int0 ")),
+ true = <<" ??Int0 ":64/float>> =:= <<(float("??Int0")):64/float>>").
+
+bs_construct_SUITE(doc) ->
+ ["OTP-5327. Adopted from parts of emulator/test/bs_construct_SUITE.erl."];
+bs_construct_SUITE(suite) ->
+ [];
+bs_construct_SUITE(Config) when is_list(Config) ->
+ C1 = <<"
+
+ Testf_1 = fun(W, B) -> "
+ ?FAIL(<<42:W>>) ","
+ ?FAIL(<<3.14:W/float>>) ","
+ ?FAIL(<<B:W/binary>>) "
+ end,
+
+ TestF = fun() -> "
+ ?FAIL(<<3.14>>) ","
+ ?FAIL(<<<<1,2>>>>) ","
+
+ ?FAIL(<<2.71/binary>>) ","
+ ?FAIL(<<24334/binary>>) ","
+ ?FAIL(<<24334344294788947129487129487219847/binary>>) ","
+
+ ?FAIL(<<<<1,2,3>>/float>>) ",
+
+ %% Negative field widths.
+ Testf_1(-8, <<1,2,3,4,5>>),"
+
+ ?FAIL(<<42:(-16)>>) ","
+ ?FAIL(<<3.14:(-8)/float>>) ","
+ ?FAIL(<<<<23,56,0,2>>:(-16)/binary>>) ","
+ ?FAIL(<<<<23,56,0,2>>:(2.5)/binary>>) ","
+ ?FAIL(<<<<23,56,0,2>>:(anka)>>) "
+ end,
+ TestF(),
+
+ NotUsed1 = fun(I, BinString) -> <<I:32,BinString/binary>>, ok end,
+
+ NotUsed2 = fun(I, Sz) -> <<I:Sz>>, ok end,
+
+ NotUsed3 = fun(I) -><<I:(-8)>>, ok end,
+
+ NotUsed = fun() ->
+ ok = NotUsed1(3, <<\"dum\">>),
+ {'EXIT',{badarg,_}} = (catch NotUsed1(3, \"dum\")), "
+ ?FAIL(NotUsed2(444, -2)) ","
+ ?FAIL(NotUsed2(444, anka)) ","
+ ?FAIL(NotUsed3(444)) "
+ end,
+ NotUsed(),
+
+ InGuard3 = fun(Bin, A, B) when <<A:13,B:3>> == Bin -> 1;
+ (Bin, A, B) when <<A:16,B/binary>> == Bin -> 2;
+ (Bin, A, B) when <<A:14,B/float,3:2>> == Bin -> 3;
+ (Bin, A, B) when {a,b,<<A:14,B/float,3:2>>} == Bin ->
+ cant_happen;
+ (_, _, _) -> nope
+ end,
+
+ InGuard = fun() ->
+ 1 = InGuard3(<<16#74ad:16>>, 16#e95, 5),
+ 2 = InGuard3(<<16#3A,16#F7,\"hello\">>, 16#3AF7, <<\"hello\">>),
+ 3 = InGuard3(<<16#FBCD:14,3.1415/float,3:2>>, 16#FBCD, 3.1415),
+ nope = InGuard3(<<1>>, 42, b),
+ nope = InGuard3(<<1>>, a, b),
+ nope = InGuard3(<<1,2>>, 1, 1),
+ nope = InGuard3(<<4,5>>, 1, 2.71),
+ nope = InGuard3(<<4,5>>, 1, <<12,13>>)
+ end,
+ InGuard(),
+
+ Nonliteral = fun(X) -> X end,
+
+ CoerceToFloat = fun() -> "
+ ?COF(0) ","
+ ?COF(-1) ","
+ ?COF(1) ","
+ ?COF(42) ","
+ ?COF(255) ","
+ ?COF(-255) ","
+ ?COF64(298748888888888888888888888883478264866528467367364766666666666666663) ","
+ ?COF64(-367546729879999999999947826486652846736736476555566666663) "
+ end,
+ CoerceToFloat(),
+ ok.
+ ">>,
+ [ok] = scan(C1),
+ ok = evaluate(C1, []),
+
+ %% There is another one, lib/compiler/test/bs_construct_SUITE.erl...
+ C2 = <<"
+ I = fun(X) -> X end,
+
+ Fail = fun() ->
+
+ I_minus_777 = I(-777),
+ I_minus_2047 = I(-2047),
+
+ %% One negative field size, but the sum of field sizes will be 1 byte.
+ %% Make sure that we reject that properly.
+
+ {'EXIT',{badarg,_}} = (catch <<I_minus_777:2048/unit:8,
+ 57:I_minus_2047/unit:8>>),
+
+ %% Same thing, but use literals.
+ {'EXIT',{badarg,_}} = (catch <<I_minus_777:2048/unit:8,
+ 57:(-2047)/unit:8>>),
+
+ %% Bad alignment.
+ I_one = I(1),
+ <<1:1>> = <<2375:I_one>>,
+ <<3:2>> = <<45:1,2375:I_one>>,
+ <<14:4>> = <<45:1,2375:I_one,918:2>>,
+ <<118:7>> = <<45:1,2375:I_one,918:5>>,
+
+ %% Not numbers.
+ {'EXIT',{badarg,_}} = (catch <<45:(I(not_a_number))>>),
+ {'EXIT',{badarg,_}} = (catch <<13:8,45:(I(not_a_number))>>),
+
+ %% Unaligned sizes.
+ BadSz = I(7),
+ <<2:4>> = <<34:4>>,
+ <<34:7>> = <<34:BadSz>>,
+
+ [] = [X || {X} <- [], X == <<3:BadSz>>],
+ [] = [X || {X} <- [], X == <<3:4>>]
+ end,
+ Fail(),
+
+ FloatBin1 = fun(F) ->
+ {<<1,2,3>>,F+3.0}
+ end,
+
+ FloatBin = fun() ->
+ %% Some more coverage.
+ {<<1,2,3>>,7.0} = FloatBin1(4)
+ end,
+ FloatBin(),
+
+ ok.
+ ">>,
+ [ok] = scan(C2),
+ ok = evaluate(C2, []).
+
+evaluate(B, Vars) when is_binary(B) ->
+ evaluate(binary_to_list(B), Vars);
+evaluate(Str, Vars) ->
+ {ok,Tokens,_} =
+ erl_scan:string(Str),
+ {ok, Exprs} = erl_parse:parse_exprs(Tokens),
+ case erl_eval:exprs(Exprs, Vars, none) of
+ {value, Result, _} ->
+ Result
+ end.
+
+refman(suite) ->
+ [refman_bit_syntax].
+
+refman_bit_syntax(doc) ->
+ ["Bit syntax examples from the Reference Manual. OTP-5237."];
+refman_bit_syntax(suite) ->
+ [];
+refman_bit_syntax(Config) when is_list(Config) ->
+ %% Reference Manual "Bit Syntax Expressions"
+ ?line Bin1 = <<1,17,42>>,
+ ?line true = [1,17,42] =:= binary_to_list(Bin1),
+ ?line Bin2 = <<"abc">>,
+ ?line true = "abc" =:= binary_to_list(Bin2),
+ ?line Bin3 = <<1,17,42:16>>,
+ ?line true = [1,17,0,42] =:= binary_to_list(Bin3),
+ ?line <<_A,_B,C:16>> = <<1,17,42:16>>,
+ ?line true = C =:= 42,
+ ?line <<D:16,_E,F>> = <<1,17,42:16>>,
+ ?line true = D =:= 273,
+ ?line true = F =:= 42,
+ <<_G,H/binary>> = <<1,17,42:16>>,
+ ?line true = H =:= <<17,0,42>>,
+
+ ?line [ok] =
+ scan(<<"Bin1 = <<1,17,42>>,
+ true = [1,17,42] =:= binary_to_list(Bin1),
+ Bin2 = <<\"abc\">>,
+ true = \"abc\" =:= binary_to_list(Bin2),
+ Bin3 = <<1,17,42:16>>,
+ true =
+ [1,17,0,42] =:= binary_to_list(Bin3),
+ <<A,B,C:16>> = <<1,17,42:16>>,
+ true = C =:= 42,
+ <<D:16,E,F>> = <<1,17,42:16>>,
+ true = D =:= 273,
+ true = F =:= 42,
+ <<G,H/binary>> = <<1,17,42:16>>,
+ true = H =:= <<17,0,42>>,
+ ok.">>),
+
+ %% Binary comprehensions.
+ ?line <<2,4,6>> = << << (X*2) >> || <<X>> <= << 1,2,3 >> >>,
+ ok.
+
+progex(suite) ->
+ [progex_bit_syntax, progex_records, progex_lc, progex_funs].
+
+-define(IP_VERSION, 4).
+-define(IP_MIN_HDR_LEN, 5).
+progex_bit_syntax(doc) ->
+ ["Bit syntax examples from Programming Examples. OTP-5237."];
+progex_bit_syntax(suite) ->
+ [];
+progex_bit_syntax(Config) when is_list(Config) ->
+ Bin11 = <<1, 17, 42>>,
+ true = [1, 17, 42] =:= binary_to_list(Bin11),
+ Bin12 = <<"abc">>,
+ true = [97, 98, 99] =:= binary_to_list(Bin12),
+
+ A = 1, B = 17, C = 42,
+ Bin2 = <<A, B, C:16>>,
+ true = [1, 17, 00, 42] =:= binary_to_list(Bin2),
+ <<D:16, E, F/binary>> = Bin2,
+ true = D =:= 273,
+ true = E =:= 00,
+ true = [42] =:= binary_to_list(F),
+
+ Fun4 = fun(Dgram) ->
+ DgramSize = byte_size(Dgram),
+ case Dgram of
+ <<?IP_VERSION:4, HLen:4, SrvcType:8, TotLen:16,
+ ID:16, Flgs:3, FragOff:13,
+ TTL:8, Proto:8, HdrChkSum:16,
+ SrcIP:32, DestIP:32,
+ RestDgram/binary>> when HLen>=5, 4*HLen=<DgramSize ->
+ OptsLen = 4*(HLen - ?IP_MIN_HDR_LEN),
+ <<Opts:OptsLen/binary,Data/binary>> = RestDgram,
+ {SrvcType, TotLen, Flgs, FragOff, ID, HdrChkSum,
+ Proto, TTL, SrcIP, DestIP, Data, Opts};
+ _ ->
+ not_ok
+ end
+ end,
+ true = Fun4(<<>>) =:= not_ok,
+ true = is_tuple(Fun4(list_to_binary([<<?IP_VERSION:4,5:4>>,
+ list_to_binary(lists:seq(1,255))]))),
+
+ X = 23432324, Y = 24324234,
+ <<10:7>> = <<X:1, Y:6>>,
+ Z = 234324324,
+ XYZ = <<X:1, Y:6, Z:1>>,
+ true = [20] =:= binary_to_list(XYZ),
+ Hello1 = <<"hello">>,
+ Hello2 = <<$h,$e,$l,$l,$o>>,
+ true = "hello" =:= binary_to_list(Hello1),
+ true = "hello" =:= binary_to_list(Hello2),
+
+ FunM1 = fun(<<X1:7/binary, Y1:1/binary>>) -> {X1,Y1} end,
+ true = {<<"1234567">>,<<"8">>} =:= FunM1(<<"12345678">>),
+
+ FunM2 = fun(<<_X1:7/binary-unit:7, _Y1:1/binary-unit:1>>) -> ok;
+ (_) -> not_ok end,
+ true = not_ok =:= FunM2(<<"1">>),
+
+ BL = [{3,4,5},{6,7,8}],
+ Lst = [0,0,0,3,0,0,0,4,0,0,0,5,0,0,0,6,0,0,0,7,0,0,0,8],
+ B1 = triples_to_bin1(BL),
+ true = Lst =:= binary_to_list(B1),
+ B2 = triples_to_bin2(BL),
+ true = Lst =:= binary_to_list(B2),
+
+ ?line [ok] = scan(
+ <<"Bin11 = <<1, 17, 42>>,
+ true = [1, 17, 42] =:= binary_to_list(Bin11),
+ Bin12 = <<\"abc\">>,
+ true = [97, 98, 99] =:= binary_to_list(Bin12),
+
+ A = 1, B = 17, C = 42,
+ Bin2 = <<A, B, C:16>>,
+ true = [1, 17, 00, 42] =:= binary_to_list(Bin2),
+ <<D:16, E, F/binary>> = Bin2,
+ true = D =:= 273,
+ true = E =:= 00,
+ true = [42] =:= binary_to_list(F),
+
+ Fun4 = fun(Dgram) ->
+ DgramSize = byte_size(Dgram),
+ case Dgram of
+ <<4:4, HLen:4, SrvcType:8, TotLen:16,
+ ID:16, Flgs:3, FragOff:13,
+ TTL:8, Proto:8, HdrChkSum:16,
+ SrcIP:32, DestIP:32,
+ RestDgram/binary>> when HLen>=5,
+ 4*HLen=<DgramSize ->
+ OptsLen = 4*(HLen - 5),
+ <<Opts:OptsLen/binary,Data/binary>> = RestDgram,
+ {SrvcType, TotLen, Flgs, FragOff, ID, HdrChkSum,
+ Proto, TTL, SrcIP, DestIP, Data, Opts};
+ _ ->
+ not_ok
+ end
+ end,
+ true = Fun4(<<>>) =:= not_ok,
+ true = is_tuple(Fun4(list_to_binary
+ ([<<4:4,5:4>>,list_to_binary(lists:seq(1,255))]))),
+
+ X = 23432324, Y = 24324234,
+ <<10:7>> = <<X:1, Y:6>>,
+ Z = 234324324,
+ XYZ = <<X:1, Y:6, Z:1>>,
+ true = [20] =:= binary_to_list(XYZ),
+ Hello1 = <<\"hello\">>,
+ Hello2 = <<$h,$e,$l,$l,$o>>,
+ true = \"hello\" =:= binary_to_list(Hello1),
+ true = \"hello\" =:= binary_to_list(Hello2),
+
+ FunM1 = fun(<<X1:7/binary, Y1:1/binary>>) -> {X1,Y1} end,
+ true = {<<\"1234567\">>,<<\"8\">>} =:= FunM1(<<\"12345678\">>),
+
+ FunM2 = fun(<<_X1:7/binary-unit:7, _Y1:1/binary-unit:1>>) -> ok;
+ (_) -> not_ok end,
+ true = not_ok =:= FunM2(<<\"1\">>),
+ ok.">>),
+
+ ok.
+
+triples_to_bin1(T) ->
+ triples_to_bin1(T, <<>>).
+
+triples_to_bin1([{X,Y,Z} | T], Acc) ->
+ triples_to_bin1(T, <<Acc/binary, X:32, Y:32, Z:32>>); % inefficient
+triples_to_bin1([], Acc) ->
+ Acc.
+
+triples_to_bin2(T) ->
+ triples_to_bin2(T, []).
+
+triples_to_bin2([{X,Y,Z} | T], Acc) ->
+ triples_to_bin2(T, [<<X:32, Y:32, Z:32>> | Acc]);
+triples_to_bin2([], Acc) ->
+ list_to_binary(lists:reverse(Acc)).
+
+progex_records(doc) ->
+ ["Record examples from Programming Examples. OTP-5237."];
+progex_records(suite) ->
+ [];
+progex_records(Config) when is_list(Config) ->
+ Test1 =
+ <<"-module(recs).
+ -record(person, {name = \"\", phone = [], address}).
+ -record(name, {first = \"Robert\", last = \"Ericsson\"}).
+ -record(person2, {name = #name{}, phone}).
+ -export([t/0]).
+
+ t() ->
+ _P1 = #person{phone=[0,8,2,3,4,3,1,2], name=\"Robert\"},
+ \"Robert\" = _P1#person.name,
+ [0,8,2,3,4,3,1,2] = _P1#person.phone,
+ undefined = _P1#person.address,
+
+ _P2 = #person{name = \"Jakob\", _ = '_'},
+ \"Jakob\" = _P2#person.name,
+ '_' = _P2#person.phone,
+ '_' = _P2#person.address,
+
+ P = #person{name = \"Joe\", phone = [0,8,2,3,4,3,1,2]},
+ \"Joe\" = P#person.name,
+ [0,8,2,3,4,3,1,2] = P#person.phone,
+ undefined = P#person.address,
+
+ P1 = #person{name=\"Joe\", phone=[1,2,3], address=\"A street\"},
+ P2 = P1#person{name=\"Robert\"},
+ \"Robert\" = P2#person.name,
+ [1,2,3] = P2#person.phone,
+ \"A street\" = P2#person.address,
+ a_person = foo(P1),
+
+ {found, [1,2,3]} =
+ find_phone([#person{name = a},
+ #person{name = b, phone = [3,2,1]},
+ #person{name = c, phone = [1,2,3]}],
+ c),
+
+ P3 = #person{name=\"Joe\", phone=[0,0,7], address=\"A street\"},
+ #person{name = Name} = P3,
+ \"Joe\" = Name,
+
+ \"Robert\" = demo(),
+ ok.
+
+ foo(P) when is_record(P, person) -> a_person;
+ foo(_) -> not_a_person.
+
+ find_phone([#person{name=Name, phone=Phone} | _], Name) ->
+ {found, Phone};
+ find_phone([_| T], Name) ->
+ find_phone(T, Name);
+ find_phone([], _Name) ->
+ not_found.
+
+ demo() ->
+ P = #person2{name= #name{first=\"Robert\",last=\"Virding\"},
+ phone=123},
+ _First = (P#person2.name)#name.first.
+ ">>,
+ ?line ok = run_file(Config, recs, Test1),
+
+ Test1_shell =
+ <<"rd(person, {name = \"\", phone = [], address}),
+ rd(name, {first = \"Robert\", last = \"Ericsson\"}),
+ rd(person2, {name = #name{}, phone}),
+
+ _P1 = #person{phone=[0,8,2,3,4,3,1,2], name=\"Robert\"},
+ \"Robert\" = _P1#person.name,
+ [0,8,2,3,4,3,1,2] = _P1#person.phone,
+ undefined = _P1#person.address,
+
+ _P2 = #person{name = \"Jakob\", _ = '_'},
+ \"Jakob\" = _P2#person.name,
+ '_' = _P2#person.phone,
+ '_' = _P2#person.address,
+
+ P = #person{name = \"Joe\", phone = [0,8,2,3,4,3,1,2]},
+ \"Joe\" = P#person.name,
+ [0,8,2,3,4,3,1,2] = P#person.phone,
+ undefined = P#person.address,
+
+ P1 = #person{name=\"Joe\", phone=[1,2,3], address=\"A street\"},
+ P2 = P1#person{name=\"Robert\"},
+ \"Robert\" = P2#person.name,
+ [1,2,3] = P2#person.phone,
+ \"A street\" = P2#person.address,
+ Foo = fun(P) when is_record(P, person) -> a_person;
+ (_) -> not_a_person
+ end,
+ a_person = Foo(P1),
+
+ Find = fun([#person{name=Name, phone=Phone} | _], Name, Fn) ->
+ {found, Phone};
+ ([_| T], Name, Fn) ->
+ Fn(T, Name, Fn);
+ ([], _Name, _Fn) ->
+ not_found
+ end,
+
+ {found, [1,2,3]} = Find([#person{name = a},
+ #person{name = b, phone = [3,2,1]},
+ #person{name = c, phone = [1,2,3]}],
+ c,
+ Find),
+
+ P3 = #person{name=\"Joe\", phone=[0,0,7], address=\"A street\"},
+ #person{name = Name} = P3,
+ \"Joe\" = Name,
+
+ Demo = fun() ->
+ P17 = #person2{name= #name{first=\"Robert\",last=\"Virding\"},
+ phone=123},
+ _First = (P17#person2.name)#name.first
+ end,
+
+ \"Robert\" = Demo(),
+ ok.
+ ">>,
+ ?line [ok] = scan(Test1_shell),
+
+ Test2 =
+ <<"-module(recs).
+ -record(person, {name, age, phone = [], dict = []}).
+ -compile(export_all).
+
+ t() -> ok.
+
+ make_hacker_without_phone(Name, Age) ->
+ #person{name = Name, age = Age,
+ dict = [{computer_knowledge, excellent},
+ {drinks, coke}]}.
+ print(#person{name = Name, age = Age,
+ phone = Phone, dict = Dict}) ->
+ io:format(\"Name: ~s, Age: ~w, Phone: ~w ~n\"
+ \"Dictionary: ~w.~n\", [Name, Age, Phone, Dict]).
+
+ birthday(P) when record(P, person) ->
+ P#person{age = P#person.age + 1}.
+
+ register_two_hackers() ->
+ Hacker1 = make_hacker_without_phone(\"Joe\", 29),
+ OldHacker = birthday(Hacker1),
+ % The central_register_server should have
+ % an interface function for this.
+ central_register_server ! {register_person, Hacker1},
+ central_register_server ! {register_person,
+ OldHacker#person{name = \"Robert\",
+ phone = [0,8,3,2,4,5,3,1]}}.
+ ">>,
+ ?line ok = run_file(Config, recs, Test2),
+ ok.
+
+progex_lc(doc) ->
+ ["List comprehension examples from Programming Examples. OTP-5237."];
+progex_lc(suite) ->
+ [];
+progex_lc(Config) when is_list(Config) ->
+ Test1 =
+ <<"-module(lc).
+ -export([t/0]).
+
+ t() ->
+ [a,4,b,5,6] = [X || X <- [1,2,a,3,4,b,5,6], X > 3],
+ [4,5,6] = [X || X <- [1,2,a,3,4,b,5,6], integer(X), X > 3],
+ [{1,a},{1,b},{2,a},{2,b},{3,a},{3,b}] =
+ [{X, Y} || X <- [1,2,3], Y <- [a,b]],
+
+ [1,2,3,4,5,6,7,8] = sort([4,5,1,8,3,6,7,2]),
+ [[b,u,g],[b,g,u],[u,b,g],[u,g,b],[g,b,u],[g,u,b]] =
+ perms([b,u,g]),
+ [] = pyth(11),
+ [{3,4,5},{4,3,5}] = pyth(12),
+ [{3,4,5},{4,3,5},{5,12,13},{6,8,10},{8,6,10},{8,15,17},
+ {9,12,15},{12,5,13},{12,9,15},{12,16,20},{15,8,17},
+ {16,12,20}] = pyth(50),
+ [] = pyth1(11),
+ [{3,4,5},{4,3,5}] = pyth1(12),
+ [{3,4,5},{4,3,5},{5,12,13},{6,8,10},{8,6,10},{8,15,17},
+ {9,12,15},{12,5,13},{12,9,15},{12,16,20},{15,8,17},
+ {16,12,20}] = pyth1(50),
+ [1,2,3,4,5] = append([[1,2,3],[4,5]]),
+ [2,3,4] = map(fun(X) -> X + 1 end, [1,2,3]),
+ [2,4] = filter(fun(X) -> X > 1 end, [0,2,4]),
+ [1,2,3,7] = select(b,[{a,1},{b,2},{c,3},{b,7}]),
+ [2,7] = select2(b,[{a,1},{b,2},{c,3},{b,7}]),
+ ok.
+
+ sort([Pivot|T]) ->
+ sort([ X || X <- T, X < Pivot]) ++
+ [Pivot] ++
+ sort([ X || X <- T, X >= Pivot]);
+ sort([]) -> [].
+
+ perms([]) -> [[]];
+ perms(L) -> [[H|T] || H <- L, T <- perms(L--[H])].
+
+ pyth(N) ->
+ [ {A,B,C} ||
+ A <- lists:seq(1,N),
+ B <- lists:seq(1,N),
+ C <- lists:seq(1,N),
+ A+B+C =< N,
+ A*A+B*B == C*C
+ ].
+
+ pyth1(N) ->
+ [{A,B,C} ||
+ A <- lists:seq(1,N),
+ B <- lists:seq(1,N-A+1),
+ C <- lists:seq(1,N-A-B+2),
+ A+B+C =< N,
+ A*A+B*B == C*C ].
+
+ append(L) -> [X || L1 <- L, X <- L1].
+ map(Fun, L) -> [Fun(X) || X <- L].
+ filter(Pred, L) -> [X || X <- L, Pred(X)].
+
+ select(X, L) -> [Y || {X, Y} <- L].
+ select2(X, L) -> [Y || {X1, Y} <- L, X == X1].
+ ">>,
+ ?line ok = run_file(Config, lc, Test1),
+
+ Test1_shell =
+ <<"[a,4,b,5,6] = [X || X <- [1,2,a,3,4,b,5,6], X > 3],
+ [4,5,6] = [X || X <- [1,2,a,3,4,b,5,6], integer(X), X > 3],
+ [{1,a},{1,b},{2,a},{2,b},{3,a},{3,b}] =
+ [{X, Y} || X <- [1,2,3], Y <- [a,b]],
+
+ Sort = fun([Pivot|T], Fn) ->
+ Fn([ X || X <- T, X < Pivot], Fn) ++
+ [Pivot] ++
+ Fn([ X || X <- T, X >= Pivot], Fn);
+ ([], _Fn) -> []
+ end,
+
+ [1,2,3,4,5,6,7,8] = Sort([4,5,1,8,3,6,7,2], Sort),
+ Perms = fun([], _Fn) -> [[]];
+ (L, Fn) -> [[H|T] || H <- L, T <- Fn(L--[H], Fn)]
+ end,
+ [[b,u,g],[b,g,u],[u,b,g],[u,g,b],[g,b,u],[g,u,b]] =
+ Perms([b,u,g], Perms),
+
+ Pyth = fun(N) ->
+ [ {A,B,C} ||
+ A <- lists:seq(1,N),
+ B <- lists:seq(1,N),
+ C <- lists:seq(1,N),
+ A+B+C =< N,
+ A*A+B*B == C*C
+ ]
+ end,
+
+ [] = Pyth(11),
+ [{3,4,5},{4,3,5}] = Pyth(12),
+ %[{3,4,5},{4,3,5},{5,12,13},{6,8,10},{8,6,10},{8,15,17},
+ % {9,12,15},{12,5,13},{12,9,15},{12,16,20},{15,8,17},
+ % {16,12,20}] = Pyth(50),
+
+ Pyth1 = fun(N) ->
+ [{A,B,C} ||
+ A <- lists:seq(1,N),
+ B <- lists:seq(1,N-A+1),
+ C <- lists:seq(1,N-A-B+2),
+ A+B+C =< N,
+ A*A+B*B == C*C ]
+ end,
+
+ [] = Pyth1(11),
+ [{3,4,5},{4,3,5}] = Pyth1(12),
+ [{3,4,5},{4,3,5},{5,12,13},{6,8,10},{8,6,10},{8,15,17},
+ {9,12,15},{12,5,13},{12,9,15},{12,16,20},{15,8,17},
+ {16,12,20}] = Pyth1(50),
+
+ Append = fun(L) -> [X || L1 <- L, X <- L1] end,
+ [1,2,3,4,5] = Append([[1,2,3],[4,5]]),
+ Map = fun(Fun, L) -> [Fun(X) || X <- L] end,
+ [2,3,4] = Map(fun(X) -> X + 1 end, [1,2,3]),
+ Filter = fun(Pred, L) -> [X || X <- L, Pred(X)] end,
+ [2,4] = Filter(fun(X) -> X > 1 end, [0,2,4]),
+
+ Select = fun(X, L) -> [Y || {X, Y} <- L] end,
+ [1,2,3,7] = Select(b,[{a,1},{b,2},{c,3},{b,7}]),
+ Select2 = fun(X, L) -> [Y || {X1, Y} <- L, X == X1] end,
+ [2,7] = Select2(b,[{a,1},{b,2},{c,3},{b,7}]),
+ ok.
+ ">>,
+ ?line [ok] = scan(Test1_shell),
+ ok.
+
+progex_funs(doc) ->
+ ["Funs examples from Programming Examples. OTP-5237."];
+progex_funs(suite) ->
+ [];
+progex_funs(Config) when is_list(Config) ->
+ Test1 =
+ <<"-module(funs).
+ -compile(export_all).
+
+ double([H|T]) -> [2*H|double(T)];
+ double([]) -> [].
+
+ add_one([H|T]) -> [H+1|add_one(T)];
+ add_one([]) -> [].
+
+ map(F, [H|T]) -> [F(H)|map(F, T)];
+ map(F, []) -> [].
+
+ double2(L) -> map(fun(X) -> 2*X end, L).
+ add_one2(L) -> map(fun(X) -> 1 + X end, L).
+
+ print_list(Stream, [H|T]) ->
+ io:format(Stream, \"~p~n\", [H]),
+ print_list(Stream, T);
+ print_list(Stream, []) ->
+ true.
+
+ broadcast(Msg, [Pid|Pids]) ->
+ Pid ! Msg,
+ broadcast(Msg, Pids);
+ broadcast(_, []) ->
+ true.
+
+ foreach(F, [H|T]) ->
+ F(H),
+ foreach(F, T);
+ foreach(F, []) ->
+ ok.
+
+ print_list2(S, L) ->
+ foreach(fun(H) -> io:format(S, \"~p~n\",[H]) end, L).
+
+ broadcast2(M, L) -> foreach(fun(Pid) -> Pid ! M end, L).
+
+ t1() -> map(fun(X) -> 2 * X end, [1,2,3,4,5]).
+
+ t2() -> map(fun double/1, [1,2,3,4,5]).
+
+ t3() -> map({?MODULE, double3}, [1,2,3,4,5]).
+
+ double3(X) -> X * 2.
+
+ f(F, Args) when function(F) ->
+ apply(F, Args);
+ f(N, _) when integer(N) ->
+ N.
+
+ print_list3(File, List) ->
+ {ok, Stream} = file:open(File, write),
+ foreach(fun(X) -> io:format(Stream,\"~p~n\",[X]) end, List),
+ file:close(Stream).
+
+ print_list4(File, List) ->
+ {ok, Stream} = file:open(File, write),
+ foreach(fun(File) ->
+ io:format(Stream,\"~p~n\",[File])
+ end, List),
+ file:close(Stream).
+
+ any(Pred, [H|T]) ->
+ case Pred(H) of
+ true -> true;
+ false -> any(Pred, T)
+ end;
+ any(Pred, []) ->
+ false.
+
+ all(Pred, [H|T]) ->
+ case Pred(H) of
+ true -> all(Pred, T);
+ false -> false
+ end;
+ all(Pred, []) ->
+ true.
+
+ foldl(F, Accu, [Hd|Tail]) ->
+ foldl(F, F(Hd, Accu), Tail);
+ foldl(F, Accu, []) -> Accu.
+
+ mapfoldl(F, Accu0, [Hd|Tail]) ->
+ {R,Accu1} = F(Hd, Accu0),
+ {Rs,Accu2} = mapfoldl(F, Accu1, Tail),
+ {[R|Rs], Accu2};
+ mapfoldl(F, Accu, []) -> {[], Accu}.
+
+ filter(F, [H|T]) ->
+ case F(H) of
+ true -> [H|filter(F, T)];
+ false -> filter(F, T)
+ end;
+ filter(F, []) -> [].
+
+ diff(L1, L2) ->
+ filter(fun(X) -> not lists:member(X, L2) end, L1).
+
+ intersection(L1,L2) -> filter(fun(X) -> lists:member(X,L1) end, L2).
+
+ takewhile(Pred, [H|T]) ->
+ case Pred(H) of
+ true -> [H|takewhile(Pred, T)];
+ false -> []
+ end;
+ takewhile(Pred, []) ->
+ [].
+
+ dropwhile(Pred, [H|T]) ->
+ case Pred(H) of
+ true -> dropwhile(Pred, T);
+ false -> [H|T]
+ end;
+ dropwhile(Pred, []) ->
+ [].
+
+ splitlist(Pred, L) ->
+ splitlist(Pred, L, []).
+
+ splitlist(Pred, [H|T], L) ->
+ case Pred(H) of
+ true -> splitlist(Pred, T, [H|L]);
+ false -> {lists:reverse(L), [H|T]}
+ end;
+ splitlist(Pred, [], L) ->
+ {lists:reverse(L), []}.
+
+ first(Pred, [H|T]) ->
+ case Pred(H) of
+ true ->
+ {true, H};
+ false ->
+ first(Pred, T)
+ end;
+ first(Pred, []) ->
+ false.
+
+ ints_from(N) ->
+ fun() ->
+ [N|ints_from(N+1)]
+ end.
+
+ pconst(X) ->
+ fun (T) ->
+ case T of
+ [X|T1] -> {ok, {const, X}, T1};
+ _ -> fail
+ end
+ end.
+
+ pand(P1, P2) ->
+ fun (T) ->
+ case P1(T) of
+ {ok, R1, T1} ->
+ case P2(T1) of
+ {ok, R2, T2} ->
+ {ok, {'and', R1, R2}};
+ fail ->
+ fail
+ end;
+ fail ->
+ fail
+ end
+ end.
+
+ por(P1, P2) ->
+ fun (T) ->
+ case P1(T) of
+ {ok, R, T1} ->
+ {ok, {'or',1,R}, T1};
+ fail ->
+ case P2(T) of
+ {ok, R1, T1} ->
+ {ok, {'or',2,R1}, T1};
+ fail ->
+ fail
+ end
+ end
+ end.
+
+ grammar() ->
+ pand(
+ por(pconst(a), pconst(b)),
+ por(pconst(c), pconst(d))).
+
+ parse(List) ->
+ (grammar())(List).
+
+
+ t() ->
+ [2,4,6,8] = double([1,2,3,4]),
+ [2,3,4,5] = add_one([1,2,3,4]),
+ [2,4,6,8] = double2([1,2,3,4]),
+ [2,3,4,5] = add_one2([1,2,3,4]),
+ XX = ints_from(1),
+ [1 | _] = XX(),
+ 1 = hd(XX()),
+ Y = tl(XX()),
+ 2 = hd(Y()),
+
+ P1 = pconst(a),
+ {ok,{const,a},[b,c]} = P1([a,b,c]),
+ fail = P1([x,y,z]),
+
+ {ok,{'and',{'or',1,{const,a}},{'or',1,{const,c}}}} =
+ parse([a,c]),
+ {ok,{'and',{'or',1,{const,a}},{'or',2,{const,d}}}} =
+ parse([a,d]),
+ {ok,{'and',{'or',2,{const,b}},{'or',1,{const,c}}}} =
+ parse([b,c]),
+ {ok,{'and',{'or',2,{const,b}},{'or',2,{const,d}}}} =
+ parse([b,d]),
+ fail = parse([a,b]),
+ ok.
+ ">>,
+ ?line ok = run_file(Config, funs, Test1),
+
+ Test2_shell =
+ <<"Double = fun(X) -> 2 * X end,
+ [2,4,6,8,10] = lists:map(Double, [1,2,3,4,5]),
+
+ Big = fun(X) -> if X > 10 -> true; true -> false end end,
+ false = lists:any(Big, [1,2,3,4]),
+ true = lists:any(Big, [1,2,3,12,5]),
+ false = lists:all(Big, [1,2,3,4,12,6]),
+ true = lists:all(Big, [12,13,14,15]),
+ L = [\"I\",\"like\",\"Erlang\"],
+ 11 = lists:foldl(fun(X, Sum) -> length(X) + Sum end, 0, L),
+ Upcase = fun(X) when $a =< X, X =< $z -> X + $A - $a;
+ (X) -> X
+ end,
+ Upcase_word = fun(X) -> lists:map(Upcase, X) end,
+ \"ERLANG\" = Upcase_word(\"Erlang\"),
+ [\"I\",\"LIKE\",\"ERLANG\"] = lists:map(Upcase_word, L),
+ {[\"I\",\"LIKE\",\"ERLANG\"],11} =
+ lists:mapfoldl(fun(Word, Sum) ->
+ {Upcase_word(Word), Sum + length(Word)}
+ end, 0, L),
+ [500,12,45] = lists:filter(Big, [500,12,2,45,6,7]),
+ [200,500,45] = lists:takewhile(Big, [200,500,45,5,3,45,6]),
+ [5,3,45,6] = lists:dropwhile(Big, [200,500,45,5,3,45,6]),
+ {[200,500,45],[5,3,45,6]} =
+ lists:splitwith(Big, [200,500,45,5,3,45,6]),
+ %% {true,45} = lists:first(Big, [1,2,45,6,123]),
+ %% false = lists:first(Big, [1,2,4,5]),
+
+ Adder = fun(X) -> fun(Y) -> X + Y end end,
+ Add6 = Adder(6),
+ 16 = Add6(10),
+ ok.
+ ">>,
+ ?line [ok] = scan(Test2_shell),
+ ok.
+
+tickets(suite) ->
+ [otp_5990, otp_6166, otp_6554, otp_6785, otp_7184, otp_7232].
+
+otp_5990(doc) ->
+ "OTP-5990. {erlang,is_record}.";
+otp_5990(suite) -> [];
+otp_5990(Config) when is_list(Config) ->
+ ?line [true] =
+ scan(<<"rd(foo,{bar}), {erlang,is_record}(#foo{}, foo).">>),
+ ?line [3] =
+ scan(<<"rd(foo,{bar}), A = #foo{}, "
+ "{if {erlang,is_record}(A, foo) -> erlang; "
+ "true -> not_a_module end, length}([1,2,3]).">>),
+ ?line [true] =
+ scan(<<"rd('OrdSet', {orddata = {},ordtype = type}), "
+ "S = #'OrdSet'{ordtype = {}}, "
+ "if tuple(S#'OrdSet'.ordtype) -> true; true -> false end.">>),
+ ok.
+
+otp_6166(doc) ->
+ "OTP-6166. Order of record definitions.";
+otp_6166(suite) -> [];
+otp_6166(Config) when is_list(Config) ->
+ Test1 = filename:join(?config(priv_dir, Config), "test1.hrl"),
+ Contents1 = <<"-module(test1).
+ -record(r5, {f}). -record(r3, {f = #r5{}}). "
+ "-record(r1, {f = #r3{}}). -record(r4, {f = #r1{}}). "
+ "-record(r2, {f = #r4{}}).">>,
+ ?line ok = file:write_file(Test1, Contents1),
+
+ Test2 = filename:join(?config(priv_dir, Config), "test2.hrl"),
+ Contents2 = <<"-module(test2).
+ -record(r5, {f}). -record(r3, {f = #r5{}}). "
+ "-record(r1, {f = #r3{}}). -record(r4, {f = #r1{}}). "
+ "-record(r2, {f = #r4{}}).
+ -record(r6, {f = #r5{}}). % r6 > r0
+ -record(r0, {f = #r5{}, g = #r5{}}). % r0 < r5">>,
+ ?line ok = file:write_file(Test2, Contents2),
+
+ RR12 = "[r1,r2,r3,r4,r5] = rr(\"" ++ Test1 ++ "\"),
+ [r0,r1,r2,r3,r4,r5,r6] = rr(\"" ++ Test2 ++ "\"),
+ R0 = #r0{}, R6 = #r6{},
+ true = is_record(R0, r0),
+ true = is_record(R6, r6),
+ ok. ",
+ ?line [ok] = scan(RR12),
+
+ file:delete(Test1),
+ file:delete(Test2),
+ ok.
+
+otp_6554(doc) ->
+ "OTP-6554. Formatted exits and error messages.";
+otp_6554(suite) -> [];
+otp_6554(Config) when is_list(Config) ->
+ %% Should check the stacktrace as well...
+ ?line "exception error: bad argument" =
+ comm_err(<<"math:sqrt(a).">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"fun(X, Y) -> X ++ Y end(a, b).">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"math:sqrt(lists:seq(1,40)).">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"math:sqrt(lists:seq(1,10)).">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"a ++ b.">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"I = {file_info,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined},
+ aa ++ I.">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"I = {file_info,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined},
+ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ++ I.">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"I = {file_info,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined},
+ I ++ I.">>),
+ ?line "exception error: bad argument" =
+ comm_err(<<"fun(X) -> not X end(a).">>),
+ ?line "exception error: bad argument: a" =
+ comm_err(<<"fun(A, B) -> A orelse B end(a, b).">>),
+ ?line "exception error: bad argument in an arithmetic expression" =
+ comm_err(<<"math:sqrt(2)/round(math:sqrt(0)).">>),
+ ?line "exception error: interpreted function with arity 1 called with no arguments" =
+ comm_err(<<"fun(V) -> V end().">>),
+ ?line "exception error: interpreted function with arity 1 called with two arguments" =
+ comm_err(<<"fun(V) -> V end(1,2).">>),
+ ?line "exception error: interpreted function with arity 0 called with one argument" =
+ comm_err(<<"fun() -> v end(1).">>),
+ ?line "exception error: interpreted function with arity 0 called with 4 arguments" =
+ comm_err(<<"fun() -> v end(1,2,3,4).">>),
+ ?line "exception error: math:sqrt/1 called with two arguments" =
+ comm_err(<<"fun math:sqrt/1(1,2).">>),
+ ?line "exception error: bad function 1." ++ _ =
+ comm_err(<<"(math:sqrt(2))().">>),
+ ?line "exception error: bad function [1," ++ _ =
+ comm_err(<<"(lists:seq(1, 100))().">>),
+ ?line "exception error: no match of right hand side value 1" ++ _ =
+ comm_err(<<"a = math:sqrt(2).">>),
+ ?line "exception error: no match of right hand side value" ++ _ =
+ comm_err(<<"I = {file_info,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined,undefined,
+ undefined,undefined,undefined,undefined},
+ a = I.">>),
+ ?line "exception error: no case clause matching 1" ++ _ =
+ comm_err(<<"case math:sqrt(2) of a -> ok end.">>),
+ ?line "exception error: no case clause matching [1," ++ _ =
+ comm_err(<<"V = lists:seq(1, 20), case V of a -> ok end.">>),
+ ?line "exception error: no function clause matching" =
+ comm_err(<<"fun(P) when is_pid(P) -> true end(a).">>),
+ ?line "exception error: {function_clause,[{erl_eval,do_apply,[unproper|list]}"++_ =
+ comm_err(<<"erlang:error(function_clause, [unproper | list]).">>),
+ ?line "exception error: function_clause" =
+ comm_err(<<"erlang:error(function_clause, 4).">>),
+ %% Cheating:
+ ?line "exception error: no function clause matching erl_eval:do_apply(4)" =
+ comm_err(<<"erlang:error(function_clause, [4]).">>),
+ ?line "exception error: no function clause matching" ++ _ =
+ comm_err(<<"fun(a, b, c, d) -> foo end"
+ " (lists:seq(1,17),"
+ " lists:seq(1, 18),"
+ " lists:seq(1, 40),"
+ " lists:seq(1, 5)).">>),
+
+ ?line "exception error: no function clause matching" =
+ comm_err(<<"fun(P, q) when is_pid(P) -> true end(a, b).">>),
+ ?line "exception error: no function clause matching lists:reverse(" ++ _ =
+ comm_err(<<"F=fun() -> hello end, lists:reverse(F).">>),
+ ?line "exception error: no function clause matching lists:reverse(34)" =
+ comm_err(<<"lists:reverse(34).">>),
+ ?line "exception error: no true branch found when evaluating an if expression" =
+ comm_err(<<"if length([a,b]) > 17 -> a end.">>),
+ ?line "exception error: no such process or port" =
+ comm_err(<<"Pid = spawn(fun() -> a end),"
+ "timer:sleep(1),"
+ "link(Pid).">>),
+ ?line "exception error: a system limit has been reached" =
+ comm_err(<<"list_to_atom(lists:duplicate(300,$a)).">>),
+ ?line "exception error: bad receive timeout value" =
+ comm_err(<<"receive after a -> foo end.">>),
+ ?line "exception error: no try clause matching 1" ++ _ =
+ comm_err(<<"try math:sqrt(2) of bar -> yes after 3 end.">>),
+ ?line "exception error: no try clause matching [1" ++ _ =
+ comm_err(<<"V = lists:seq(1, 20),"
+ "try V of bar -> yes after 3 end.">>),
+ ?line "exception error: undefined function math:sqrt/2" =
+ comm_err(<<"math:sqrt(2, 2).">>),
+ ?line "exception error: limit of number of arguments to interpreted function "
+ "exceeded" =
+ comm_err(<<"fun(A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U) ->"
+ " a end().">>),
+ ?line "exception error: bad filter a" =
+ comm_err(<<"[b || begin a end].">>),
+ ?line "exception error: bad generator a" =
+ comm_err(<<"[X || X <- a].">>),
+ ?line "exception throw: undef" = comm_err(<<"throw(undef).">>),
+ ?line "exception exit: undef" = comm_err(<<"exit(undef).">>),
+
+ ?line "exception exit: foo" =
+ comm_err(<<"catch spawn_link(fun() ->"
+ " timer:sleep(300), exit(foo) "
+ " end),"
+ "timer:sleep(500).">>),
+ ?line [ok] = scan(
+ <<"begin process_flag(trap_exit, true),"
+ " Pid = spawn_link(fun() ->"
+ " timer:sleep(300), exit(foo) "
+ " end),"
+ " timer:sleep(500),"
+ " receive {'EXIT', Pid, foo} -> ok end end.">>),
+ ?line "exception exit: badarith" =
+ comm_err(<<"catch spawn_link(fun() ->"
+ " timer:sleep(300), 1/0 "
+ " end),"
+ "timer:sleep(500).">>),
+ ?line "exception exit: {nocatch,foo}" =
+ comm_err(<<"catch spawn_link(fun() ->"
+ " timer:sleep(300), throw(foo) "
+ " end),"
+ "timer:sleep(500).">>),
+ ?line [ok] = scan(
+ <<"begin process_flag(trap_exit, true),"
+ " Pid = spawn_link(fun() ->"
+ " timer:sleep(300), throw(foo) "
+ " end),"
+ " timer:sleep(500),"
+ " receive {'EXIT', Pid, {{nocatch,foo},_}} -> ok end "
+ "end.">>),
+
+ ?line "exception error: bad argument in an arithmetic expression" =
+ comm_err(<<"begin catch_exception(true), 1/0 end.">>),
+ ?line "exception error: bad argument in an arithmetic expression" =
+ comm_err(<<"begin catch_exception(false), 1/0 end.">>),
+ ?line "exception error: no function clause matching call to catch_exception/1" =
+ comm_err(<<"catch_exception(1).">>),
+
+ %% A bug was corrected (expansion of 'try'):
+ ?line "2: command not found" =
+ comm_err(<<"try 1 of 1 -> v(2) after 3 end.">>),
+ %% Cover a few lines:
+ ?line "3: command not found" =
+ comm_err(<<"receive foo -> foo after 0 -> v(3) end.">>),
+ ?line "3: command not found" =
+ comm_err(<<"receive foo -> foo after 0 -> e(3) end.">>),
+ ?line "1 / 0: command not found" = comm_err(<<"v(1/0).">>),
+ ?line "1\n1.\n" = t(<<"1. e(1).">>),
+ ?line [ok] = scan(<<"h().">>),
+ ?line "exception exit: normal" = comm_err(<<"exit(normal).">>),
+ ?line [foo] = scan(<<"begin history(0), foo end.">>),
+ ?line application:unset_env(stdlib, shell_history_length),
+ ?line [true] = scan(<<"begin <<10:(1024*1024*10)>>,"
+ "<<10:(1024*1024*10)>>, garbage_collect() end.">>),
+ ?line "1: syntax error before: '.'" = comm_err("1-."),
+ %% ?line comm_err(<<"exit().">>), % would hang
+ ?line "exception error: no function clause matching call to history/1" =
+ comm_err(<<"history(foo).">>),
+ ?line "exception error: no function clause matching call to results/1" =
+ comm_err(<<"results(foo).">>),
+
+ ?line Test = filename:join(?config(priv_dir, Config),
+ "otp_6554.erl"),
+ Contents = <<"-module(otp_6554).
+ -export([local_allowed/3, non_local_allowed/3]).
+ local_allowed(_,_,State) ->
+ {true,State}.
+
+ non_local_allowed(_,_,State) ->
+ {true,State}.
+ ">>,
+ ?line ok = compile_file(Config, Test, Contents, []),
+ ?line "exception exit: restricted shell starts now" =
+ comm_err(<<"begin shell:start_restricted(otp_6554) end.">>),
+ ?line "-record(r,{}).\n1.\nok.\n" =
+ t(<<"f(), f(B), h(), b(), history(20), results(20),"
+ "rd(r, {}), rl(r), rf('_'), rl(), rf(),"
+ "rp(1), _ = rr({foo}), _ = rr({foo}, []),"
+ "rr({foo}, [], []), ok.">>),
+ ?line "false.\n" = t(<<"catch_exception(true).">>),
+ ?line "exception exit: restricted shell stopped"=
+ comm_err(<<"begin shell:stop_restricted() end.">>),
+ ?line "true.\n" = t(<<"catch_exception(false).">>),
+
+ ?line "20\n1\n1\n1: results(2)\n2: 1\n-> 1\n3: v(2)\n-> 1.\nok.\n" =
+ t(<<"results(2). 1. v(2). h().">>),
+ ?line application:unset_env(stdlib, shell_saved_results),
+ ?line "1\nfoo\n17\nB = foo\nC = 17\nF = fun() ->\n foo"
+ "\n end.\nok.\n" =
+ t(<<"begin F = fun() -> foo end, 1 end. B = F(). C = 17. b().">>),
+
+ %% Tests I'd like to do: (you should try them manually)
+ %% "catch spawn_link(fun() -> timer:sleep(1000), exit(foo) end)."
+ %% "** exception error: foo" should be output after 1 second
+ %% "catch spawn_link(fun() -> timer:sleep(1000), 1/0 end)."
+ %% "** exception error: bad argument..." should be output after 1 second
+ %% "1/0", "exit(foo)", "throw(foo)".
+ %% "h()." should show {'EXIT', {badarith,..}}, {'EXIT',{foo,...}},
+ %% and {'EXIT',{{nocatch,foo},...}}.
+
+ ok.
+
+otp_6785(doc) ->
+ "OTP-6785. Parameterized modules.";
+otp_6785(suite) -> [];
+otp_6785(Config) when is_list(Config) ->
+ MFile = filename:join(?config(priv_dir, Config), "parameterized.erl"),
+ Contents = <<"-module(parameterized, [A]). "
+ "-export([test/0]). "
+ "test() -> A. ">>,
+ ?line ok = compile_file(Config, MFile, Contents, []),
+ ?line (parameterized:new(adsf)):test(),
+ file:delete(MFile),
+ ok.
+
+otp_7184(doc) ->
+ "OTP-7184. Propagate exit signals from dying evaluator process.";
+otp_7184(suite) -> [];
+otp_7184(Config) when is_list(Config) ->
+ register(otp_7184, self()),
+ ?line catch
+ t(<<"P = self(),
+ spawn_link(fun() -> process_flag(trap_exit,true),
+ P ! up,
+ receive X ->
+ otp_7184 ! {otp_7184, X}
+ end
+ end),
+ receive up -> ok end,
+ erlang:raise(throw, thrown, []).">>),
+ receive {otp_7184,{'EXIT',_,{{nocatch,thrown},[]}}} -> ok end,
+
+ ?line catch
+ t(<<"P = self(),
+ spawn_link(fun() -> process_flag(trap_exit,true),
+ P ! up,
+ receive X ->
+ otp_7184 ! {otp_7184, X}
+ end
+ end),
+ receive up -> ok end,
+ erlang:raise(exit, fini, []).">>),
+ receive {otp_7184,{'EXIT',_,{fini,[]}}} -> ok end,
+
+ ?line catch
+ t(<<"P = self(),
+ spawn_link(fun() -> process_flag(trap_exit,true),
+ P ! up,
+ receive X ->
+ otp_7184 ! {otp_7184,X}
+ end
+ end),
+ receive up -> ok end,
+ erlang:raise(error, bad, []).">>),
+ receive {otp_7184,{'EXIT',_,{bad,[]}}} -> ok end,
+
+ unregister(otp_7184),
+
+ %% v/1, a few missed cases
+ ?line "17\n<<0,0,0,64>>.\nok.\n" =
+ t(<<"17. "
+ "<<64:32>>. "
+ "<<64>> = << << X >> || << X >> <= v(2), X > v(1) >>, ok.">>),
+
+ ?line "17\n<<0,17>>.\n" =t(<<"17. <<(v(1)):16>>.">>),
+
+ ok.
+
+otp_7232(doc) ->
+ "OTP-7232. qlc:info() bug.";
+otp_7232(suite) -> [];
+otp_7232(Config) when is_list(Config) ->
+ Info = <<"qlc:info(qlc:sort(qlc:q([X || X <- [1000,2000]]), "
+ "{order, fun(A,B)-> A>B end})).">>,
+ "qlc:sort([1000,2000],\n"
+ " [{order,\n"
+ " fun(A, B) ->\n"
+ " A > B\n"
+ " end}])" = evaluate(Info, []),
+ ok.
+
+-ifdef(not_used).
+exit_term(B) ->
+ "** exception exit:" ++ Reply = t(B),
+ S0 = string:left(Reply, string:chr(Reply, $\n)-1),
+ S = string:strip(S0, right, $*),
+ {ok,Ts,_} = erl_scan:string(S),
+ {ok,Term} = erl_parse:parse_term(Ts),
+ Term.
+-endif.
+
+error_string(B) ->
+ "** exception error:" ++ Reply = t(B),
+ caught_string(Reply).
+
+exit_string(B) ->
+ "** exception exit:" ++ Reply = t(B),
+ caught_string(Reply).
+
+caught_string(Reply) ->
+ S0 = string:left(Reply, string:chr(Reply, $\n)-1),
+ S1 = string:strip(S0, right, $.),
+ S2 = string:strip(S1, left, $*),
+ S = string:strip(S2, both, $ ),
+ string:strip(S, both, $").
+
+comm_err(B) ->
+ Reply = t(B),
+ S0 = string:left(Reply, string:chr(Reply, $\n)-1),
+ S1 = string:strip(S0, left, $*),
+ S2 = string:strip(S1, both, $ ),
+ S = string:strip(S2, both, $"),
+ string:strip(S, right, $.).
+
+scan(B) ->
+ F = fun(Ts) ->
+ case erl_parse:parse_term(Ts) of
+ {ok,Term} ->
+ Term;
+ _Error ->
+ {ok,Form} = erl_parse:parse_form(Ts),
+ Form
+ end
+ end,
+ scan(t(B), F).
+
+scan(S0, F) ->
+ case erl_scan:tokens([], S0, 1) of
+ {done,{ok,Ts,_},S} ->
+ [F(Ts) | scan(S, F)];
+ _Else ->
+ []
+ end.
+
+t({Node,Bin}) when is_atom(Node),is_binary(Bin) ->
+ t0(Bin, fun() -> start_new_shell(Node) end);
+t(Bin) when is_binary(Bin) ->
+ t0(Bin, fun() -> start_new_shell() end);
+t(L) ->
+ t(list_to_binary(L)).
+
+t0(Bin, F) ->
+ %% Spawn a process so that io_request messages do not interfer.
+ P = self(),
+ C = spawn(fun() -> t1(P, Bin, F) end),
+ receive {C, R} -> R end.
+
+t1(Parent, Bin, F) ->
+ %% io:format("*** Testing ~s~n", [binary_to_list(Bin)]),
+ S = #state{bin = Bin, reply = [], leader = group_leader()},
+ group_leader(self(), self()),
+ _Shell = F(),
+ try
+ server_loop(S)
+ catch exit:R -> Parent ! {self(), R};
+ throw:{?MODULE,LoopReply} ->
+ L0 = binary_to_list(list_to_binary(LoopReply)),
+ [$\n | L1] = lists:dropwhile(fun(X) -> X =/= $\n end, L0),
+ Parent ! {self(), dotify(L1)}
+ after group_leader(S#state.leader, self())
+ end.
+
+dotify([$., $\n | L]) ->
+ [$., $\n | dotify(L)];
+dotify([$,, $\n | L]) ->
+ [$,, $\n | dotify(L)];
+dotify("ok\n" ++ L) ->
+ "ok.\n" ++ dotify(L);
+dotify("\nok\n" ++ L) ->
+ ".\nok.\n" ++ dotify(L);
+dotify([$\n]) ->
+ [$., $\n];
+dotify([C | L]) ->
+ [C | dotify(L)];
+dotify([]) ->
+ [].
+
+start_new_shell() ->
+ Shell = shell:start(),
+ link(Shell),
+ Shell.
+
+start_new_shell(Node) ->
+ Shell = rpc:call(Node,shell,start,[]),
+ link(Shell),
+ Shell.
+
+%% This is a very minimal implementation of the IO protocol...
+
+server_loop(S) ->
+ receive
+ {io_request, From, ReplyAs, Request} when is_pid(From) ->
+ server_loop(do_io_request(Request, From, S, ReplyAs));
+ NotExpected ->
+ exit(NotExpected)
+ end.
+
+do_io_request(Req, From, S, ReplyAs) ->
+ case io_requests([Req], [], S) of
+ {_Status,{eof,_},S1} ->
+ io_reply(From, ReplyAs, {error,terminated}),
+ throw({?MODULE,S1#state.reply});
+ {_Status,Reply,S1} ->
+ io_reply(From, ReplyAs, Reply),
+ S1
+ end.
+
+io_reply(From, ReplyAs, Reply) ->
+ From ! {io_reply, ReplyAs, Reply}.
+
+io_requests([{requests, Rs1} | Rs], Cont, S) ->
+ io_requests(Rs1, [Rs | Cont], S);
+io_requests([R | Rs], Cont, S) ->
+ case io_request(R, S) of
+ {ok, ok, S1} ->
+ io_requests(Rs, Cont, S1);
+ Reply ->
+ Reply
+ end;
+io_requests([], [Rs|Cont], S) ->
+ io_requests(Rs, Cont, S);
+io_requests([], [], S) ->
+ {ok,ok,S}.
+
+io_request({get_geometry,columns}, S) ->
+ {ok,80,S};
+io_request({get_geometry,rows}, S) ->
+ {ok,24,S};
+io_request({put_chars,Chars}, S) ->
+ {ok,ok,S#state{reply = [S#state.reply | Chars]}};
+io_request({put_chars,_,Chars}, S) ->
+ {ok,ok,S#state{reply = [S#state.reply | Chars]}};
+io_request({put_chars,Mod,Func,Args}, S) ->
+ case catch apply(Mod, Func, Args) of
+ Chars when is_list(Chars) ->
+ io_request({put_chars,Chars}, S)
+ end;
+io_request({put_chars,Enc,Mod,Func,Args}, S) ->
+ case catch apply(Mod, Func, Args) of
+ Chars when is_list(Chars) ->
+ io_request({put_chars,Enc,Chars}, S)
+ end;
+io_request({get_until,_Prompt,Mod,Func,ExtraArgs}, S) ->
+ get_until(Mod, Func, ExtraArgs, S, latin1);
+io_request({get_until,Enc,_Prompt,Mod,Func,ExtraArgs}, S) ->
+ get_until(Mod, Func, ExtraArgs, S, Enc).
+
+get_until(Mod, Func, ExtraArgs, S, Enc) ->
+ get_until_loop(Mod, Func, ExtraArgs, S, {more,[]}, Enc).
+
+get_until_loop(M, F, As, S, {more,Cont}, Enc) ->
+ Bin = S#state.bin,
+ case byte_size(Bin) of
+ 0 ->
+ get_until_loop(M, F, As, S,
+ catch apply(M, F, [Cont,eof|As]), Enc);
+ _ ->
+ get_until_loop(M, F, As, S#state{bin = <<>>},
+ catch apply(M, F, [Cont,binary_to_list(Bin)|As]), Enc)
+ end;
+get_until_loop(_M, _F, _As, S, {done,Res,Buf}, Enc) ->
+ {ok,Res,S#state{bin = buf2bin(Buf, Enc)}};
+get_until_loop(_M, F, _As, S, _Other, _Enc) ->
+ {error,{error,F},S}.
+
+buf2bin(eof,_) ->
+ <<>>;
+buf2bin(Buf,latin1) ->
+ list_to_binary(Buf);
+buf2bin(Buf,unicode) ->
+ unicode:characters_to_binary(Buf,unicode,unicode).
+
+run_file(Config, Module, Test) ->
+ FileName = filename(lists:concat([Module, ".erl"]), Config),
+ BeamFile = filename(lists:concat([Module, ".beam"]), Config),
+ LoadBeamFile = filename(Module, Config),
+ ok = file:write_file(FileName, Test),
+ ok = compile_file(Config, FileName, Test, []),
+ code:purge(Module),
+ {module, Module} = code:load_abs(LoadBeamFile),
+ ok = Module:t(),
+ file:delete(FileName),
+ file:delete(BeamFile),
+ ok.
+
+compile_file(Config, File, Test, Opts0) ->
+ ?line Opts = [export_all,return,{outdir,?config(priv_dir, Config)}|Opts0],
+ ?line ok = file:write_file(File, Test),
+ ?line case compile:file(File, Opts) of
+ {ok, _M, _Ws} -> ok;
+ _ -> error
+ end.
+
+filename(Name, Config) when is_atom(Name) ->
+ filename(atom_to_list(Name), Config);
+filename(Name, Config) ->
+ filename:join(?config(priv_dir, Config), Name).
+
+start_node(Name, Xargs) ->
+ ?line N = test_server:start_node(Name, slave, [{args, " " ++ Xargs}]),
+ global:sync(),
+ N.
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 15:28:29 +0000