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diff --git a/test/rclt_command_SUITE.erl b/test/rclt_command_SUITE.erl
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+%%% -*- mode: Erlang; fill-column: 80; comment-column: 75; -*-
+%%% Copyright 2012 Erlware, LLC. All Rights Reserved.
+%%%
+%%% This file is provided to you 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.
+%%%-------------------------------------------------------------------
+%%% @author Eric Merrit <[email protected]>
+%%% @copyright (C) 2012, Eric Merrit
+-module(rclt_command_SUITE).
+
+-export([suite/0,
+         init_per_suite/1,
+         end_per_suite/1,
+         all/0,
+         normal_passing_case/1,
+         lib_fail_case/1,
+         output_fail_case/1,
+         spec_parse_fail_case/1]).
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("eunit/include/eunit.hrl").
+
+suite() ->
+    [{timetrap,{seconds,30}}].
+
+init_per_suite(Config) ->
+    Config.
+
+end_per_suite(_Config) ->
+    ok.
+
+all() ->
+    [normal_passing_case, lib_fail_case, output_fail_case].
+
+normal_passing_case(Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+    Lib1 = filename:join([DataDir, "lib1"]),
+    Lib2 = filename:join([DataDir, "lib2"]),
+    Outdir = filename:join([DataDir, "outdir"]),
+    ok = rcl_util:mkdir_p(Lib1),
+    ok = rcl_util:mkdir_p(Lib2),
+    Goal1 = "app1<=33.33+build4",
+    Goal2 = "app2:btwn:33.22,45.22+build.21",
+
+    LogLevel = "2",
+    RelName = "foo-release",
+    RelVsn = "33.222",
+    CmdLine = ["-V", LogLevel, "-g",Goal1,"-g",Goal2, "-l", Lib1, "-l", Lib2,
+               "-n", RelName, "-v", RelVsn, "-o", Outdir],
+    {ok, {State, Target}} = rcl_cmd_args:args2state(getopt:parse(relcool:opt_spec_list(), CmdLine)),
+    ?assertMatch([], Target),
+    ?assertMatch([Lib1, Lib2],
+                 rcl_state:lib_dirs(State)),
+    ?assertMatch(Outdir, rcl_state:output_dir(State)),
+
+    ?assertMatch([{<<"app1">>,{{33,33},{[],[<<"build4">>]}},lte},
+                  {<<"app2">>,
+                   {{33,22},{[],[]}},
+                   {{45,22},{[],[<<"build">>,21]}},
+                   between}], rcl_state:goals(State)).
+
+
+lib_fail_case(Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+    Lib1 = filename:join([DataDir, "lib1"]),
+    Lib2 = filename:join([DataDir, "lib3333"]),
+    ok = rcl_util:mkdir_p(Lib1),
+
+    CmdLine = ["-l", Lib1, "-l", Lib2],
+    ?assertMatch({error, {not_directory, Lib2}},
+                 rcl_cmd_args:args2state(getopt:parse(relcool:opt_spec_list(), CmdLine))).
+
+
+output_fail_case(Config) ->
+    DataDir = proplists:get_value(data_dir, Config),
+    UnwritableDir = filename:join([DataDir, "unwritable"]),
+    ok = rcl_util:mkdir_p(UnwritableDir),
+    ok = file:change_mode(UnwritableDir, 8#555),
+    CanNotCreate = filename:join([UnwritableDir, "out-dir-should-not-create"]),
+
+    CmdLine = ["-o", CanNotCreate],
+    ?assertMatch({error, {unable_to_create_output_dir, CanNotCreate}},
+                 rcl_cmd_args:args2state(getopt:parse(relcool:opt_spec_list(), CmdLine))).
+
+spec_parse_fail_case(_Config) ->
+    Spec = "aaeu:3333:33.22a44",
+    CmdLine = ["-g", Spec],
+    ?assertMatch({error, {failed_to_parse, _Spec}},
+                 rcl_cmd_args:args2state(getopt:parse(relcool:opt_spec_list(), CmdLine))).