diff options
Diffstat (limited to 'erts/emulator/test/hibernate_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/hibernate_SUITE.erl | 101 |
1 files changed, 92 insertions, 9 deletions
diff --git a/erts/emulator/test/hibernate_SUITE.erl b/erts/emulator/test/hibernate_SUITE.erl index 4d36076d12..82a0aad189 100644 --- a/erts/emulator/test/hibernate_SUITE.erl +++ b/erts/emulator/test/hibernate_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2003-2009. All Rights Reserved. +%% Copyright Ericsson AB 2003-2011. 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 @@ -19,23 +19,44 @@ -module(hibernate_SUITE). --include("test_server.hrl"). +-include_lib("test_server/include/test_server.hrl"). --export([all/1,init_per_testcase/2,fin_per_testcase/2, - basic/1,min_heap_size/1,bad_args/1, - messages_in_queue/1,undefined_mfa/1, no_heap/1]). +-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2, + init_per_testcase/2,end_per_testcase/2, + basic/1,dynamic_call/1,min_heap_size/1,bad_args/1, + messages_in_queue/1,undefined_mfa/1,no_heap/1,wake_up_and_bif_trap/1]). %% Used by test cases. --export([basic_hibernator/1,messages_in_queue_restart/2, no_heap_loop/0]). +-export([basic_hibernator/1,dynamic_call_hibernator/2,messages_in_queue_restart/2, no_heap_loop/0,characters_to_list_trap/1]). + +suite() -> [{ct_hooks,[ts_install_cth]}]. + +all() -> + [basic, dynamic_call, min_heap_size, bad_args, messages_in_queue, + undefined_mfa, no_heap, wake_up_and_bif_trap]. + +groups() -> + []. + +init_per_suite(Config) -> + Config. + +end_per_suite(_Config) -> + ok. + +init_per_group(_GroupName, Config) -> + Config. + +end_per_group(_GroupName, Config) -> + Config. -all(suite) -> - [basic,min_heap_size,bad_args,messages_in_queue,undefined_mfa,no_heap]. init_per_testcase(Func, Config) when is_atom(Func), is_list(Config) -> Dog = ?t:timetrap(?t:minutes(3)), [{watchdog,Dog}|Config]. -fin_per_testcase(_Func, Config) -> +end_per_testcase(_Func, Config) -> Dog=?config(watchdog, Config), ?t:timetrap_cancel(Dog). @@ -138,10 +159,47 @@ whats_up_calc(A1, A2, A3, A4, A5, A6, A7, A8, A9, Acc) -> whats_up_calc(A1-1, A2+1, A3+2, A4+3, A5+4, A6+5, A7+6, A8+7, A9+8, [A1,A2|Acc]). %%% +%%% Testing a call to erlang:hibernate/3 that the compiler and loader do not +%%% translate to an instruction. +%%% + +dynamic_call(Config) when is_list(Config) -> + Ref = make_ref(), + Info = {self(),Ref}, + ExpectedHeapSz = case erlang:system_info(heap_type) of + private -> erts_debug:size([Info]); + hybrid -> erts_debug:size([a|b]) + end, + ?line Child = spawn_link(fun() -> ?MODULE:dynamic_call_hibernator(Info, hibernate) end), + ?line hibernate_wake_up(100, ExpectedHeapSz, Child), + ?line Child ! please_quit_now, + ok. + +dynamic_call_hibernator(Info, Function) -> + {catchlevel,0} = process_info(self(), catchlevel), + receive + Any -> + dynamic_call_hibernator_msg(Any, Function, Info), + dynamic_call_hibernator(Info, Function) + end. + +dynamic_call_hibernator_msg({hibernate,_}, Function, Info) -> + catch apply(erlang, Function, [?MODULE, basic_hibernator, [Info]]), + exit(hibernate_returned); +dynamic_call_hibernator_msg(Msg, _Function, Info) -> + basic_hibernator_msg(Msg, Info). + +%%% %%% Testing setting the minimum heap size. %%% min_heap_size(Config) when is_list(Config) -> + case test_server:is_native(?MODULE) of + true -> {skip, "Test case relies on trace which is not available in HiPE"}; + false -> min_heap_size_1(Config) + end. + +min_heap_size_1(Config) when is_list(Config) -> ?line erlang:trace(new, true, [call]), MFA = {?MODULE,min_hibernator,1}, ?line 1 = erlang:trace_pattern(MFA, true, [local]), @@ -326,6 +384,31 @@ clean_dict() -> lists:foreach(fun ({Key, _}) -> erase(Key) end, Dict). %% +%% Wake up and then immediatly bif trap with a lengthy computation. +%% + +wake_up_and_bif_trap(doc) -> []; +wake_up_and_bif_trap(suite) -> []; +wake_up_and_bif_trap(Config) when is_list(Config) -> + ?line Self = self(), + ?line Pid = spawn_link(fun() -> erlang:hibernate(?MODULE, characters_to_list_trap, [Self]) end), + ?line Pid ! wakeup, + ?line receive + {ok, Pid0} when Pid0 =:= Pid -> ok + after 5000 -> + ?line ?t:fail(process_blocked) + end, + ?line unlink(Pid), + ?line exit(Pid, bye). + +%% Lengthy computation that traps (in characters_to_list_trap_3). +characters_to_list_trap(Parent) -> + Bin0 = <<"abcdefghijklmnopqrstuvwxz0123456789">>, + Bin = binary:copy(Bin0, 1500), + unicode:characters_to_list(Bin), + Parent ! {ok, self()}. + +%% %% Misc %% |