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%%
%% %CopyrightBegin%
%% 
%% Copyright Ericsson AB 1998-2013. All Rights Reserved.
%% 
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%%     http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%% 
%% %CopyrightEnd%
%%
-module(c_SUITE).
-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
	 init_per_group/2,end_per_group/2]).
-export([c_1/1, c_2/1, c_3/1, c_4/1, nc_1/1, nc_2/1, nc_3/1, nc_4/1,
	 ls/1, memory/1]).

-include_lib("test_server/include/test_server.hrl").

-import(c, [c/2, nc/2]).

suite() -> [{ct_hooks,[ts_install_cth]}].

all() -> 
    [c_1, c_2, c_3, c_4, nc_1, nc_2, nc_3, nc_4, ls, memory].

groups() -> 
    [].

init_per_suite(Config) ->
    Config.

end_per_suite(_Config) ->
    ok.

init_per_group(_GroupName, Config) ->
    Config.

end_per_group(_GroupName, Config) ->
    Config.


%%% Write output to a directory other than current directory:

c_1(doc) ->
    ["Checks that c:c works also with option 'outdir' [ticket OTP-1209]."];
c_1(suite) ->
    [];
c_1(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m.erl"),
    ?line W = ?config(priv_dir, Config),
    ?line Result = c(R,[{outdir,W}]),
    ?line {ok, m} = Result.

c_2(doc) ->
    ["Checks that c:c works also with option 'outdir' [ticket OTP-1209]."];
c_2(suite) ->
    [];
c_2(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m"),
    ?line W = ?config(priv_dir, Config),
    ?line Result = c(R,[{outdir,W}]),
    ?line {ok, m} = Result.


%%% Put results in current directory (or rather, change current dir
%%% to the output dir):

c_3(doc) ->
    ["Checks that c:c works also with option 'outdir' (same as current"
     "directory). [ticket OTP-1209]."];
c_3(suite) ->
    [];
c_3(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m.erl"),
    ?line W = ?config(priv_dir, Config),
    ?line file:set_cwd(W),
    ?line Result = c(R,[{outdir,W}]),
    ?line {ok, m} = Result.

c_4(doc) ->
    ["Checks that c:c works also with option 'outdir' (same as current"
     "directory). [ticket OTP-1209]."];
c_4(suite) ->
    [];
c_4(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m"),
    ?line W = ?config(priv_dir, Config),
    ?line file:set_cwd(W),
    ?line Result = c(R,[{outdir,W}]),
    ?line {ok, m} = Result.

%%% Write output to a directory other than current directory:

nc_1(doc) ->
    ["Checks that c:nc works also with option 'outdir'."];
nc_1(suite) ->
    [];
nc_1(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m.erl"),
    ?line W = ?config(priv_dir, Config),
    ?line Result = nc(R,[{outdir,W}]),
    ?line {ok, m} = Result.

nc_2(doc) ->
    ["Checks that c:nc works also with option 'outdir'."];
nc_2(suite) ->
    [];
nc_2(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m"),
    ?line W = ?config(priv_dir, Config),
    ?line Result = nc(R,[{outdir,W}]),
    ?line {ok, m} = Result.


%%% Put results in current directory (or rather, change current dir
%%% to the output dir):

nc_3(doc) ->
    ["Checks that c:nc works also with option 'outdir' (same as current"
     "directory)."];
nc_3(suite) ->
    [];
nc_3(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m.erl"),
    ?line W = ?config(priv_dir, Config),
    ?line file:set_cwd(W),
    ?line Result = nc(R,[{outdir,W}]),
    ?line {ok, m} = Result.

nc_4(doc) ->
    ["Checks that c:nc works also with option 'outdir' (same as current"
     "directory)."];
nc_4(suite) ->
    [];
nc_4(Config) when is_list(Config) ->
    ?line R = filename:join(?config(data_dir, Config), "m"),
    ?line W = ?config(priv_dir, Config),
    ?line file:set_cwd(W),
    ?line Result = nc(R,[{outdir,W}]),
    ?line {ok, m} = Result.

ls(Config) when is_list(Config) ->
    Directory = ?config(data_dir, Config),
    ok = c:ls(Directory),
    File = filename:join(Directory, "m.erl"),
    ok = c:ls(File),
    ok = c:ls("no_such_file").

memory(doc) ->
    ["Checks that c:memory/[0,1] returns consistent results."];
memory(suite) ->
    [];
memory(Config) when is_list(Config) ->
    try
	?line ML = c:memory(),
	?line T =  mget(total, ML),
	?line P =  mget(processes, ML),
	?line S =  mget(system, ML),
	?line A =  mget(atom, ML),
	?line AU = mget(atom_used, ML),
	?line B =  mget(binary, ML),
	?line C =  mget(code, ML),
	?line E =  mget(ets, ML),
	?line T = P + S,
	?line if S >= A + B + C + E -> ok end,
	?line if A >= AU -> ok end,
	?line ok
    catch
	error:notsup ->
	    ?line {skipped,
		   "erlang:memory/[0,1] and c:memory/[0,1] not supported"}
    end.

% Help function for c_SUITE:memory/1    
mget(K, L) ->
    ?line {value,{K,V}} = lists:keysearch(K, 1, L),
    ?line test_v(c:memory(K)), % Check that c:memory/1 also accept this
                               % argument and returns an integer (usally
                               % *not* the same as V).
    ?line test_v(V).

% Help function for c_SUITE:memory/1    
test_v(V) when is_integer(V) ->
    ?line V.