function s = char(o) % --*-- Unitary tests --*--

% Given a one element dates object, returns a string with the formatted date.
%
% INPUTS
% - o  [dates]
%
% OUTPUTS
% - s  [string]

% Copyright (C) 2014-2017 Dynare Team
%
% This code is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% Dynare dates submodule is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.

if length(o)>1
    error('dates:char:ArgCheck', 'The input argument must be a dates object with one element!')
end

s = date2string(o.time, o.freq);

%@test:1
%$ % Define a dates object
%$ o = dates('1950Q1');
%$
%$ % Call the tested routine.
%$ try
%$     str = char(o);
%$     t(1) = true;
%$ catch
%$     t(1) = false;
%$ end
%$
%$ if t(1)
%$     t(2) = dassert(str,'1950Q1');
%$ end
%$ T = all(t);
%@eof:1

%@test:2
%$ % Define a dates object
%$ o = dates('1950M1');
%$
%$ % Call the tested routine.
%$ try
%$     str = char(o);
%$     t(1) = true;
%$ catch
%$     t(1) = false;
%$ end
%$
%$ if t(1)
%$     t(2) = dassert(str,'1950M1');
%$ end
%$ T = all(t);
%@eof:2

%@test:3
%$ % Define a dates object
%$ o = dates('1950W50');
%$
%$ % Call the tested routine.
%$ try
%$     str = char(o);
%$     t(1) = true;
%$ catch
%$     t(1) = false;
%$ end
%$
%$ if t(1)
%$     t(2) = dassert(str,'1950W50');
%$ end
%$ T = all(t);
%@eof:3

%@test:4
%$ % Define a dates object
%$ o = dates('1950Y');
%$
%$ % Call the tested routine.
%$ try
%$     str = char(o);
%$     t(1) = true;
%$ catch
%$     t(1) = false;
%$ end
%$
%$ if t(1)
%$     t(2) = dassert(str,'1950Y');
%$ end
%$ T = all(t);
%@eof:4

%@test:5
%$ % Define a dates object
%$ o = dates('1950A');
%$
%$ % Call the tested routine.
%$ try
%$     str = char(o);
%$     t(1) = true;
%$ catch
%$     t(1) = false;
%$ end
%$
%$ if t(1)
%$     t(2) = dassert(str,'1950Y');
%$ end
%$ T = all(t);
%@eof:5
