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ei_decode_SUITE.erl
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ei_decode_SUITE.erl
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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2004-2010. 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(ei_decode_SUITE).
-include("test_server.hrl").
-include("ei_decode_SUITE_data/ei_decode_test_cases.hrl").
-export(
[
all/1,
test_ei_decode_long/1,
test_ei_decode_ulong/1,
test_ei_decode_longlong/1,
test_ei_decode_ulonglong/1,
test_ei_decode_char/1,
test_ei_decode_nonoptimal/1,
test_ei_decode_misc/1
]).
all(suite) ->
[
test_ei_decode_long,
test_ei_decode_ulong,
test_ei_decode_longlong,
test_ei_decode_ulonglong,
test_ei_decode_char,
test_ei_decode_nonoptimal,
test_ei_decode_misc
].
%% ---------------------------------------------------------------------------
% NOTE: for historical reasons we don't pach as tight as we can,
% we only fill 27 bits in 32 bit INTEGER_EXT
%% ######################################################################## %%
test_ei_decode_long(suite) -> [];
test_ei_decode_long(Config) when is_list(Config) ->
?line P = runner:start(?test_ei_decode_long),
send_integers(P),
?line runner:recv_eot(P),
ok.
%% ######################################################################## %%
test_ei_decode_ulong(suite) -> [];
test_ei_decode_ulong(Config) when is_list(Config) ->
?line P = runner:start(?test_ei_decode_ulong),
send_integers(P),
?line runner:recv_eot(P),
ok.
% (*) In practical terms, other values may fit into the ext format
% i32 is signed 32 bit on C side
% u32 is unsigned 32 bit on C side
%% ######################################################################## %%
test_ei_decode_longlong(suite) -> [];
test_ei_decode_longlong(Config) when is_list(Config) ->
case os:type() of
vxworks ->
{skip,"Skipped on VxWorks"};
_ ->
?line P = runner:start(?test_ei_decode_longlong),
send_integers2(P),
?line runner:recv_eot(P),
ok
end.
%% ######################################################################## %%
test_ei_decode_ulonglong(suite) -> [];
test_ei_decode_ulonglong(Config) when is_list(Config) ->
case os:type() of
vxworks ->
{skip,"Skipped on VxWorks"};
_ ->
?line P = runner:start(?test_ei_decode_ulonglong),
send_integers2(P),
?line runner:recv_eot(P),
ok
end.
%% ######################################################################## %%
%% A "character" for us is an 8 bit integer, alwasy positive, i.e.
%% it is unsigned.
%% FIXME maybe the API should change to use "unsigned char" to be clear?!
test_ei_decode_char(suite) -> [];
test_ei_decode_char(Config) when is_list(Config) ->
?line P = runner:start(?test_ei_decode_char),
?line send_term_as_binary(P,0),
?line send_term_as_binary(P,16#7f),
?line send_term_as_binary(P,16#ff),
?line send_term_as_binary(P, []), % illegal type
?line runner:recv_eot(P),
ok.
%% ######################################################################## %%
test_ei_decode_nonoptimal(suite) -> [];
test_ei_decode_nonoptimal(Config) when is_list(Config) ->
?line P = runner:start(?test_ei_decode_nonoptimal),
send_non_optimal_pos(P), % decode_char
send_non_optimal(P), % decode_long
send_non_optimal_pos(P), % decode_ulong
case os:type() of
vxworks ->
ok;
_ ->
send_non_optimal(P), % decode_longlong
send_non_optimal_pos(P) % decode_ulonglong
end,
?line runner:recv_eot(P),
ok.
send_non_optimal(P) ->
send_non_optimal_pos(P),
send_non_optimal_neg(P).
send_non_optimal_pos(P) ->
?line send_raw(P, <<131,97,42>>),
?line send_raw(P, <<131,98,42:32>>),
?line send_raw(P, <<131,110,1,0,42>>),
?line send_raw(P, <<131,110,2,0,42,0>>),
?line send_raw(P, <<131,110,4,0,42,0,0,0>>),
?line send_raw(P, <<131,111,0,0,0,1,0,42>>),
?line send_raw(P, <<131,111,0,0,0,2,0,42,0>>),
?line send_raw(P, <<131,111,0,0,0,3,0,42,0,0>>),
?line send_raw(P, <<131,111,0,0,0,6,0,42,0,0,0,0,0>>),
ok.
send_non_optimal_neg(P) ->
% ?line send_raw(P, <<131,97,-42>>),
?line send_raw(P, <<131,98,-42:32>>),
?line send_raw(P, <<131,110,1,1,42>>),
?line send_raw(P, <<131,110,2,1,42,0>>),
?line send_raw(P, <<131,110,4,1,42,0,0,0>>),
?line send_raw(P, <<131,111,0,0,0,1,1,42>>),
?line send_raw(P, <<131,111,0,0,0,2,1,42,0>>),
?line send_raw(P, <<131,111,0,0,0,3,1,42,0,0>>),
?line send_raw(P, <<131,111,0,0,0,6,1,42,0,0,0,0,0>>),
ok.
%% ######################################################################## %%
test_ei_decode_misc(suite) -> [];
test_ei_decode_misc(Config) when is_list(Config) ->
?line P = runner:start(?test_ei_decode_misc),
?line send_term_as_binary(P,0.0),
?line send_term_as_binary(P,-1.0),
?line send_term_as_binary(P,1.0),
?line send_term_as_binary(P,false),
?line send_term_as_binary(P,true),
?line send_term_as_binary(P,foo),
?line send_term_as_binary(P,''),
?line send_term_as_binary(P,'ÅÄÖåäö'),
?line send_term_as_binary(P,"foo"),
?line send_term_as_binary(P,""),
?line send_term_as_binary(P,"ÅÄÖåäö"),
?line send_term_as_binary(P,<<"foo">>),
?line send_term_as_binary(P,<<>>),
?line send_term_as_binary(P,<<"ÅÄÖåäö">>),
% ?line send_term_as_binary(P,{}),
% ?line send_term_as_binary(P,[]),
?line runner:recv_eot(P),
ok.
%% ######################################################################## %%
send_term_as_binary(Port, Term) when is_port(Port) ->
Port ! {self(), {command, term_to_binary(Term)}}.
send_raw(Port, Bin) when is_port(Port) ->
Port ! {self(), {command, Bin}}.
send_integers(P) ->
?line send_term_as_binary(P,0), % SMALL_INTEGER_EXT smallest
?line send_term_as_binary(P,255), % SMALL_INTEGER_EXT largest
?line send_term_as_binary(P,256), % INTEGER_EXT smallest pos (*)
?line send_term_as_binary(P,-1), % INTEGER_EXT largest neg
?line send_term_as_binary(P, 16#07ffffff), % INTEGER_EXT old largest (28 bits)
?line send_term_as_binary(P,-16#08000000), % INTEGER_EXT old smallest
?line send_term_as_binary(P, 16#08000000), % SMALL_BIG_EXT old smallest pos(*)
?line send_term_as_binary(P,-16#08000001), % SMALL_BIG_EXT old largest neg (*)
?line send_term_as_binary(P, 16#7fffffff), % INTEGER_EXT new largest (32 bits)
?line send_term_as_binary(P,-16#80000000), % INTEGER_EXT new smallest (32 bis)
?line send_term_as_binary(P, 16#80000000), % SMALL_BIG_EXT new smallest pos(*)
?line send_term_as_binary(P,-16#80000001), % SMALL_BIG_EXT new largest neg (*)
case erlang:system_info(wordsize) of
4 ->
?line send_term_as_binary(P, 16#80000000),% SMALL_BIG_EXT u32
?line send_term_as_binary(P, 16#ffffffff),% SMALL_BIG_EXT largest u32
?line send_term_as_binary(P, 16#7fffffffffff), % largest i48
?line send_term_as_binary(P,-16#800000000000), % smallest i48
?line send_term_as_binary(P, 16#ffffffffffff), % largest u48
?line send_term_as_binary(P, 16#7fffffffffffffff), % largest i64
?line send_term_as_binary(P,-16#8000000000000000), % smallest i64
?line send_term_as_binary(P, 16#ffffffffffffffff); % largest u64
8 ->
?line send_term_as_binary(P, 16#8000000000000000),% SMALL_BIG_EXT u64
% SMALL_BIG_EXT largest u64
?line send_term_as_binary(P, 16#ffffffffffffffff),
% largest i96
?line send_term_as_binary(P, 16#7fffffffffffffffffffffff),
% smallest i96
?line send_term_as_binary(P,-16#800000000000000000000000),
% largest u96
?line send_term_as_binary(P, 16#ffffffffffffffffffffffff),
% largest i128
?line send_term_as_binary(P, 16#7fffffffffffffffffffffffffffffff),
% smallest i128
?line send_term_as_binary(P,-16#80000000000000000000000000000000),
% largest u128
?line send_term_as_binary(P, 16#ffffffffffffffffffffffffffffffff)
end,
?line send_term_as_binary(P, []), % illegal type
ok.
send_integers2(P) ->
?line send_term_as_binary(P,0), % SMALL_INTEGER_EXT smallest
?line send_term_as_binary(P,255), % SMALL_INTEGER_EXT largest
?line send_term_as_binary(P,256), % INTEGER_EXT smallest pos (*)
?line send_term_as_binary(P,-1), % INTEGER_EXT largest neg
?line send_term_as_binary(P, 16#07ffffff), % INTEGER_EXT old largest (28 bits)
?line send_term_as_binary(P,-16#08000000), % INTEGER_EXT old smallest
?line send_term_as_binary(P, 16#08000000), % SMALL_BIG_EXT old smallest pos(*)
?line send_term_as_binary(P,-16#08000001), % SMALL_BIG_EXT old largest neg (*)
?line send_term_as_binary(P, 16#7fffffff), % INTEGER_EXT new largest (32 bits)
?line send_term_as_binary(P,-16#80000000), % INTEGER_EXT new smallest
?line send_term_as_binary(P, 16#80000000), % SMALL_BIG_EXT new smallest pos(*)
?line send_term_as_binary(P,-16#80000001), % SMALL_BIG_EXT new largest neg (*)
?line send_term_as_binary(P, 16#ffffffff),% SMALL_BIG_EXT largest u32
?line send_term_as_binary(P, 16#7fffffffffff), % largest i48
?line send_term_as_binary(P,-16#800000000000), % smallest i48
?line send_term_as_binary(P, 16#ffffffffffff), % largest u48
?line send_term_as_binary(P, 16#7fffffffffffffff), % largest i64
?line send_term_as_binary(P,-16#8000000000000000), % smallest i64
?line send_term_as_binary(P, 16#ffffffffffffffff), % largest u64
?line send_term_as_binary(P, []), % illegal type
ok.