% UTP_AO_OFFSET a set of UTPs for the ao/offset method
%
% M Hewitson 06-08-08
%
% $Id: utp_ao_offset.m,v 1.6 2010/06/07 16:43:06 ingo Exp $
%

% <MethodDescription>
%
% The offset method of the ao class adds an offset to the y-data in the AO.
%
% </MethodDescription>

function results = utp_ao_offset(varargin)

  % Check the inputs
  if nargin == 0

    % Some keywords
    class   = 'ao';
    mthd    = 'offset';

    results = [];
    disp('******************************************************');
    disp(['****  Running UTPs for ' class '/' mthd]);
    disp('******************************************************');

    % Test AOs
    [at1,at2,at3,at4,at5,at6,atvec,atmat] = get_test_objects_ao;

    % Exception list for the UTPs:
    [ple1,ple2,ple3,ple4,ple5,ple6] = get_test_ples();

    % Run the tests
    results = [results utp_01];    % getInfo call
    results = [results utp_02];    % Vector input
    results = [results utp_03];    % Matrix input
    results = [results utp_04];    % List input
    results = [results utp_05];    % Test with mixed input
    results = [results utp_06];    % Test history is working
    results = [results utp_07];    % Test the modify call works
    results = [results utp_08];    % Test with additional plist(offset)
    results = [results utp_09];    % Test input data shape == output data shape
    results = [results utp_10];    % Test output of the data
    results = [results utp_11(mthd, at1, ple1, plist('offset', 1))];    % Test plotinfo doesn't disappear

    disp('Done.');
    disp('******************************************************');

  elseif nargin == 1 % Check for UTP functions
    if strcmp(varargin{1}, 'isutp')
      results = 1;
    else
      results = 0;
    end
  else
    error('### Incorrect inputs')
  end

  %% UTP_01

  % <TestDescription>
  %
  % Tests that the getInfo call works for this method.
  %
  % </TestDescription>
  function result = utp_01


    % <SyntaxDescription>
    %
    % Test that the getInfo call works for no sets, all sets, and each set
    % individually.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      % Call for no sets
      io(1) = eval([class '.getInfo(''' mthd ''', ''None'')']);
      % Call for all sets
      io(2) = eval([class '.getInfo(''' mthd ''')']);
      % Call for each set
      for kk=1:numel(io(2).sets)
        io(kk+2) = eval([class '.getInfo(''' mthd ''', ''' io(2).sets{kk} ''')']);
      end
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that getInfo call returned an minfo object in all cases.
    % 2) Check that all plists have the correct parameters.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % check we have minfo objects
      if isa(io, 'minfo')
        %%% SET 'None'
        if ~isempty(io(1).sets), atest = false; end
        if ~isempty(io(1).plists), atest = false; end
        %%% Check all Sets
        if ~any(strcmpi(io(2).sets, 'Default')), atest = false; end
        if numel(io(2).plists) ~= numel(io(2).sets), atest = false; end
        %%%%%%%%%%   SET 'Default'
        if io(3).plists.nparams ~= 1, atest = false; end
        % Check key
        if ~io(3).plists.isparam('offset'), atest = false; end
        % Check default value
        if ~isEmptyDouble(io(3).plists.find('offset')), atest = false; end
        % Check options
        if ~isequal(io(3).plists.getOptionsForParam('offset'), {[]}), atest = false; end
      end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_01

  %% UTP_02

  % <TestDescription>
  %
  % Tests that the offset method works with a vector of AOs as input.
  %
  % </TestDescription>
  function result = utp_02

    % <SyntaxDescription>
    %
    % Test that the offset method works for a vector of AOs as input.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off = 5;
      out = offset(atvec, off);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out' is the same as in 'atvec'
    % 2) Check that each output AO contains the correct data.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if ~isequal(size(out), size(atvec)), atest = false; end
      % Check that each output added the offset to the y-values
      for kk=1:numel(out)
        if ~isequal(atvec(kk).y+off, out(kk).y), atest = false; end
      end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_02

  %% UTP_03

  % <TestDescription>
  %
  % Tests that the offset method works with a matrix of AOs as input.
  %
  % </TestDescription>
  function result = utp_03

    % <SyntaxDescription>
    %
    % Test that the offset method works for a matrix of AOs as input.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off = 4.3;
      out = offset(atmat, off);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out' is the same as in 'atmat'
    % 2) Check that each output AO contains the correct data.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if ~isequal(size(out), size(atmat)), atest = false; end
      % Check that each output added the offset to the y-values
      for kk=1:numel(out)
        if ~isequal(atmat(kk).y+off, out(kk).y), atest = false; end
      end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_03

  %% UTP_04

  % <TestDescription>
  %
  % Tests that the offset method works with a list of AOs as input.
  %
  % </TestDescription>
  function result = utp_04

    % <SyntaxDescription>
    %
    % Test that the offset method works for a list of AOs as input.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off = 2-3i;
      out = offset(at1,at2,at3, off);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out' is the same as in
    %    input.
    % 2) Check that each output AO contains the correct data.
    %
    % </AlgoDescription>

    atest = true;
    aoin = [at1,at2,at3];
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if numel(out) ~= 3, atest = false; end
      % Check that each output added the offset to the y-values
      for kk=1:numel(out)
        if ~isequal(aoin(kk).y+off, out(kk).y), atest = false; end
      end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_04

  %% UTP_05

  % <TestDescription>
  %
  % Tests that the offset method works with a mix of different shaped AOs as
  % input.
  %
  % </TestDescription>
  function result = utp_05

    % <SyntaxDescription>
    %
    % Test that the offset method works with an input of matrices and vectors
    % and single AOs.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off = 7;
      out = offset(at1,atvec,at2,atmat,at3, off);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the number of elements in 'out' is the same as in
    %    input.
    % 2) Check that each output AO contains the correct data.
    %
    % </AlgoDescription>

    atest = true;
    aoin  = [at1,reshape(atvec,1,[]),at2,reshape(atmat,1,[]),at3];
    if stest
      % <AlgoCode>
      % Check we have the correct number of outputs
      if numel(out) ~= numel(aoin), atest = false; end
      % Check that each output added the offset to the y-values
      for kk=1:numel(out)
        if ~isequal(aoin(kk).y+off, out(kk).y), atest = false; end
      end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_05

  %% UTP_06

  % <TestDescription>
  %
  % Tests that the offset method properly applies history.
  %
  % </TestDescription>
  function result = utp_06

    % <SyntaxDescription>
    %
    % Test that the result of applying the offset method can be processed back.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off  = 1;
      out1  = offset(at1, off);
      out2  = offset(at1, plist('offset', off));

      mout1 = rebuild(out1);
      mout2 = rebuild(out2);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the last entry in the history of 'out' corresponds to
    %    'offset'.
    % 2) Check that the re-built object is the same object as the input.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check the last step in the history of 'out'
      if ~strcmp(out1.hist.methodInfo.mname, 'offset'), atest = false; end
      if ~strcmp(out2.hist.methodInfo.mname, 'offset'), atest = false; end
      % The rebuilt object must be the same as 'out'
      if ~eq(mout1, out1, ple2), atest = false; end
      if ~eq(mout2, out2, ple2), atest = false; end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_06

  %% UTP_07

  % <TestDescription>
  %
  % Tests that the offset method can modify the input AO.
  %
  % </TestDescription>
  function result = utp_07

    % <SyntaxDescription>
    %
    % Test that the offset method can modify the input AO by calling with
    % no output and that the method doesn't change the input of the
    % function notation (with a equal sign).
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off   = 3;
      amodi = ao(at1);
      aeq   = ao(at1);
      out = aeq.offset(off);
      amodi.offset(off);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that 'out' and 'aeq' are now different.
    % 2) Check that 'aeq' is not changed
    % 3) Check that the modified have an offset of 3
    % 4) Check that out and amodi are the same
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check that 'out' and 'aeq' are now different.
      if eq(out, aeq, ple2), atest = false; end
      % Check that 'aeq' is not changed
      if ~eq(aeq, ao(at1), ple1), atest = false; end
      % Check that the modified have an offset of 3
      if ~isequal(at1.y+off, amodi.y), atest = false; end
      % Check that out and amodi are the same
      if ~eq(out, amodi, ple1), atest = false; end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_07

  %% UTP_08

  % <TestDescription>
  %
  % Test that the offset method uses the offset in a plist.
  %
  % </TestDescription>
  function result = utp_08

    % <SyntaxDescription>
    %
    % Test that the offset method uses the offset in a plist.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      out = offset(at1, plist('offset', 3.3));
      mout = rebuild(out);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the offset uses the offset in the plist
    % 2) Check that the re-built object is the same as 'out'
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check the output
      if ~isequal(at1.y+3.3, out.y), atest = false; end
      % Check the re-built objects
      if ~eq(mout, out, ple2), atest = false; end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_08

  %% UTP_09

  % <TestDescription>
  %
  % Test the shape of the output.
  %
  % </TestDescription>
  function result = utp_09

    % <SyntaxDescription>
    %
    % Test that the offset method keeps the data shape of the input object.
    % The input AO must be an AO with row data and an AO with column data.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off  = -3;
      out1 = abs(at5, off);
      out2 = abs(at6, off);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the shape of the data doesn't change.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check the shape of the output data
      if size(out1.data.y,1) == 1, atest = false; end
      if size(out2.data.y,2) == 1, atest = false; end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_09

  %% UTP_10

  % <TestDescription>
  %
  % Check that the offset method pass back the output objects to a list of
  % output variables or to a single variable.
  %
  % </TestDescription>
  function result = utp_10

    % <SyntaxDescription>
    %
    % Call the method with a list of output variables and with a single output
    % variable. Additionaly check that the rebuild method works on the output.
    %
    % </SyntaxDescription>

    try
      % <SyntaxCode>
      off = -8;
      [o1, o2] = offset(at5, at6, off);
      o3  = offset(at5, at6, off);
      mout1 = rebuild(o1);
      mout2 = rebuild(o2);
      mout3 = rebuild(o3);
      % </SyntaxCode>
      stest = true;
    catch err
      disp(err.message)
      stest = false;
    end

    % <AlgoDescription>
    %
    % 1) Check that the output contains the right number of objects
    % 2) Check that the 'rebuild' method produces the same object as 'out'.
    %
    % </AlgoDescription>

    atest = true;
    if stest
      % <AlgoCode>
      % Check the number of outputs
      if numel(o1) ~=1, atest = false; end
      if numel(o2) ~=1, atest = false; end
      if numel(o3) ~=2, atest = false; end
      % Check the rebuilding of the object
      if ~eq(o1, mout1, ple2), atest = false; end
      if ~eq(o2, mout2, ple2), atest = false; end
      if ~eq(o3, mout3, ple2), atest = false; end
      % </AlgoCode>
    else
      atest = false;
    end

    % Return a result structure
    result = utp_prepare_result(atest, stest, dbstack, mfilename);
  end % END UTP_10

end