diff testing/utp_1.1/utps/parfrac/utp_parfrac_parfrac.m @ 44:409a22968d5e default

Add unit tests
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Tue, 06 Dec 2011 18:42:11 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/utp_1.1/utps/parfrac/utp_parfrac_parfrac.m	Tue Dec 06 18:42:11 2011 +0100
@@ -0,0 +1,1560 @@
+% UTP_PARFRAC_PARFRAC a set of UTPs for the parfrac/parfrac method
+%
+% M Hewitson 06-08-08
+%
+% $Id: utp_parfrac_parfrac.m,v 1.21 2011/08/22 05:37:13 hewitson Exp $
+%
+
+% <MethodDescription>
+%
+% The parfrac method of the parfrac class constructs PARFRAC objects.
+%
+% </MethodDescription>
+
+function results = utp_parfrac_parfrac(varargin)
+
+  % Check the inputs
+  if nargin == 0
+
+    % Some keywords
+    class   = 'parfrac';
+    mthd    = 'parfrac';
+
+    results = [];
+    disp('******************************************************');
+    disp(['****  Running UTPs for ' class '/' mthd]);
+    disp('******************************************************');
+
+    % Test objects
+    [pf1,pf2,pf3,pfv,pfm] = get_test_objects_parfrac;
+
+    % 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 with empty constructor
+    results = [results utp_07];    % Test history is working with copy constructor
+    results = [results utp_08];    % Test history is working with MAT file constructor
+    results = [results utp_09];    % Test history is working with XML file constructor
+    results = [results utp_10];    % Test history is working with struct constructor
+    results = [results utp_11];    % Test history is working with rational-object constructor
+    results = [results utp_12];    % Test history is working with pzmodel-object constructor
+    results = [results utp_13];    % Test history is working with plist(filename) constructor
+    results = [results utp_14];    % Test history is working with plist(hostname) constructor
+    results = [results utp_15];    % Test history is working with plist(res || poles || dir) constructor
+    results = [results utp_16];    % Test history is working with plist(pzmodel) constructor
+    results = [results utp_17];    % Test history is working with plist(rational) constructor
+    results = [results utp_18];    % Test history is working with plist(plist) constructor
+    results = [results utp_19];    % Test history is working with conn+Id constructor
+    results = [results utp_20];    % Test history is working with res + poles + dir constructor
+    results = [results utp_21];    % Test history is working with res + poles + dir + name constructor
+    results = [results utp_22];    % Test history is working with res + poles + dir + name + iunits + ounits constructor
+
+    disp('Done.');
+    disp('******************************************************');
+
+  elseif nargin == 1 % Check for UTP functions
+    if strcmp(varargin{1}, 'isutp')
+      results = 1;
+    elseif strcmpi(varargin{1}, 'needs repository')
+      results = 2;
+    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 ~any(strcmpi(io(2).sets, 'From Rational')), atest = false; end
+        if ~any(strcmpi(io(2).sets, 'From Pzmodel')), atest = false; end
+        if ~any(strcmpi(io(2).sets, 'From Residuals/Poles/Direct')), atest = false; end
+        if ~any(strcmpi(io(2).sets, 'From Repository')), atest = false; end
+        if ~any(strcmpi(io(2).sets, 'From XML File')), atest = false; end
+        if ~any(strcmpi(io(2).sets, 'From MAT File')), atest = false; end
+        if ~any(strcmpi(io(2).sets, 'From Built-in Model')), atest = false; end
+        if numel(io(2).plists) ~= numel(io(2).sets), atest = false; end
+        %%%%%%%%%%   SET 'Default'
+        if io(3).plists.nparams ~= 3, atest = false; end
+        % Check key
+        % Check default value
+        % Check options
+        %%%%%%%%%%   SET 'From MAT File'
+        pn = 4;
+        if io(pn).plists.nparams ~= 4, atest = false; end
+        % Check key
+        if ~io(pn).plists.isparam('filename'), atest = false; end
+        % Check default value
+        if ~isEmptyChar(io(pn).plists.find('filename')), atest = false; end
+        % Check options
+        if ~isequal(io(pn).plists.getOptionsForParam('filename'), {''}), atest = false; end
+        %%%%%%%%%%   SET 'From XML File'
+        pn = 5;
+        if io(pn).plists.nparams ~= 4, atest = false; end
+        % Check key
+        if ~io(pn).plists.isparam('filename'), atest = false; end
+        % Check default value
+        if ~isEmptyChar(io(pn).plists.find('filename')), atest = false; end
+        % Check options
+        if ~isequal(io(pn).plists.getOptionsForParam('filename'), {''}), atest = false; end
+        %%%%%%%%%%   SET 'From Repository'
+        pn = 6;
+        if io(pn).plists.nparams ~= 10, atest = false; end
+        % Check key
+        if ~io(pn).plists.isparam('hostname'), atest = false; end
+        if ~io(pn).plists.isparam('id'), atest = false; end
+        if ~io(pn).plists.isparam('cid'), atest = false; end
+        if ~io(pn).plists.isparam('database'), atest = false; end
+        if ~io(pn).plists.isparam('binary'), atest = false; end
+        if ~io(pn).plists.isparam('username'), atest = false; end
+        if ~io(pn).plists.isparam('password'), atest = false; end
+        % Check default value
+        if ~isEmptyDouble(io(pn).plists.find('id')), atest = false; end
+        if ~isEmptyDouble(io(pn).plists.find('cid')), atest = false; end
+        if ~isequal(io(pn).plists.find('binary'), 'yes'), atest = false; end
+        % Check options
+        if ~isequal(io(pn).plists.getOptionsForParam('id'), {[]}), atest = false; end
+        if ~isequal(io(pn).plists.getOptionsForParam('cid'), {[]}), atest = false; end
+        if ~isequal(io(pn).plists.getOptionsForParam('binary'), {'yes', 'no'}), atest = false; end
+        %%%%%%%%%%   SET 'From Built-in Model'
+        pn = 7;
+        if io(pn).plists.nparams ~= 4, atest = false; end
+        % Check key
+        if ~io(pn).plists.isparam('built-in'), atest = false; end
+        % Check default value
+        if ~isEmptyChar(io(pn).plists.find('built-in')), atest = false; end
+        % Check options
+        if ~isequal(io(pn).plists.getOptionsForParam('built-in'), {''}), atest = false; end
+        %%%%%%%%%%   SET 'From Rational'
+        pn = 8;
+        if io(pn).plists.nparams ~= 6, atest = false; end
+        % Check key
+        if ~io(pn).plists.isparam('rational'), atest = false; end
+        % Check default value
+        if ~eq(io(pn).plists.find('rational'), rational(), ple1), atest = false; end
+        % Check options
+        %%%%%%%%%%   SET 'From Pzmodel'
+        pn = 9;
+        if io(pn).plists.nparams ~= 6, atest = false; end
+        % Check key
+        if ~io(pn).plists.isparam('pzmodel'), atest = false; end
+        % Check default value
+        if ~eq(io(pn).plists.find('pzmodel'), pzmodel(), ple1), atest = false; end
+        % Check options
+        %%%%%%%%%%   SET 'From Residuals/Poles/Direct'
+        pn = 10;
+        if io(pn).plists.nparams ~= 8, atest = false; end
+        % Check key
+        if ~io(pn).plists.isparam('res'), atest = false; end
+        if ~io(pn).plists.isparam('poles'), atest = false; end
+        if ~io(pn).plists.isparam('dir'), atest = false; end
+        if ~io(pn).plists.isparam('name'), atest = false; end
+        % Check default value
+        if ~isEmptyDouble(io(pn).plists.find('res')), atest = false; end
+        if ~isEmptyDouble(io(pn).plists.find('poles')), atest = false; end
+        if ~isequal(io(pn).plists.find('dir'), 0), atest = false; end
+        if ~isEmptyChar(io(pn).plists.find('name')), atest = false; end
+        % Check options
+        if ~isequal(io(pn).plists.getOptionsForParam('res'), {[]}), atest = false; end
+        if ~isequal(io(pn).plists.getOptionsForParam('poles'), {[]}), atest = false; end
+        if ~isequal(io(pn).plists.getOptionsForParam('dir'), {0}), atest = false; end
+        if ~isequal(io(pn).plists.getOptionsForParam('name'), {''}), 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 parfrac method works with a vector of PARFRAC objects as
+  % input.
+  %
+  % </TestDescription>
+  function result = utp_02
+
+    % <SyntaxDescription>
+    %
+    % Test that the parfrac method works with a vector of PARFRAC objects
+    % as input.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      out  = parfrac(pfv);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the shape of the output PARFRACs is the same as the
+    %    input shape. 
+    % 2) Check that each output PARFRAC is a copy of the input PARFRAC.
+    % 3) Check that the copy have an additional history step.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check we have the correct shape
+      if size(out) ~= size(pfv), atest = false; end
+      % Check that the output is a copy.
+      for ii = 1:numel(out)
+        % Check that the output is the same except the history
+        if ~eq(pfv(ii), out(ii), ple3), atest = false; end
+        % Check the history
+        if ~eq(pfv(ii).hist, out(ii).hist.inhists), atest = false; end
+        % Change the output to make sure that it is a 'real' copy
+        out(ii).setDescription('my desc');
+        if eq(pfv(ii), out(ii), ple3), 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 parfrac method works with a matrix of PARFRAC objects as
+  % input.
+  %
+  % </TestDescription>
+  function result = utp_03
+
+    % <SyntaxDescription>
+    %
+    % Test that the parfrac method works with a matrix of PARFRAC objects
+    % as input.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      out  = parfrac(pfm);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the shape of the output PARFRACs is the same as the
+    %    input shape.
+    % 2) Check that each output PARFRAC is a copy of the input PARFRAC.
+    % 3) Check that the copy have an additional history step.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check we have the correct number of outputs
+      if size(out) ~= size(pfm), atest = false; end
+      % Check that the output is a copy.
+      for ii = 1:numel(out)
+        % Check that the output is the same except the history
+        if ~eq(pfm(ii), out(ii), ple3), atest = false; end
+        % Check the history
+        if ~eq(pfm(ii).hist, out(ii).hist.inhists), atest = false; end
+        % Change the output to make sure that it is a 'real' copy
+        out(ii).setDescription('my desc');
+        if eq(pfm(ii), out(ii), ple3), 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 parfrac method works with a list of PARFRAC objects as
+  % input.
+  %
+  % </TestDescription>
+  function result = utp_04
+
+    % <SyntaxDescription>
+    %
+    % Test that the parfrac method works with a list of PARFRAC objects as
+    % input.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      out = parfrac(pf1,pf2,pf3);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the number of elements in 'out' is the same of the
+    %    number in the input.
+    % 2) Check that each output PARFRAC is a copy of the input PARFRAC.
+    % 3) Check that the copy have an additional history step.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    pfin = [pf1,pf2,pf3];
+    if stest
+      % <AlgoCode>
+      % Check we have the correct number of outputs
+      if numel(out) ~= 3, atest = false; end
+
+      % Check that the output is a copy.
+      for ii = 1:numel(out)
+        % Check that the output is the same except the history
+        if ~eq(pfin(ii), out(ii), ple3), atest = false; end
+        % Check the history
+        if ~eq(pfin(ii).hist, out(ii).hist.inhists), atest = false; end
+        % Change the output to make sure that it is a 'real' copy
+        out(ii).setDescription('my desc');
+        if eq(pfin(ii), out(ii), ple3), 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 parfrac method works with a mix of different shaped
+  % PARFRACs as input.
+  %
+  % </TestDescription>
+  function result = utp_05
+
+    % <SyntaxDescription>
+    %
+    % Test that the parfrac method works with a mix of different shaped
+    % PARFRACs as input.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      out   = parfrac(pf1,pfv,pf2,pfm,pf3);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the number of elements in 'out' is the same of the
+    %    number in the input.
+    % 2) Check that each output PARFRAC is a copy of the input PARFRAC.
+    % 3) Check that the copy have an additional history step.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    pfin = [pf1, reshape(pfv, 1, []), pf2, reshape(pfm, 1, []), pf3];
+    if stest
+      % <AlgoCode>
+      % Check we have the correct number of outputs
+      if numel(out) ~= 3+numel(pfv)+numel(pfm), atest = false; end
+
+      % Check that the output is a copy.
+      for ii = 1:numel(out)
+        % Check that the output is the same except the history
+        if ~eq(pfin(ii), out(ii), ple3), atest = false; end
+        % Check the history
+        if ~eq(pfin(ii).hist, out(ii).hist.inhists), atest = false; end
+        % Change the output to make sure that it is a 'real' copy
+        out(ii).setDescription('my desc');
+        if eq(pfin(ii), out(ii), ple3), 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 parfrac method properly applies history.
+  %
+  % </TestDescription>
+  function result = utp_06
+
+    % <SyntaxDescription>
+    %
+    % Test that the result of applying the parfrac method can be processed
+    % back. 
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      out = parfrac(pf1);
+      mout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the method rebuild produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check the rebuilt object
+      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_06
+
+  %% UTP_07
+
+  % <TestDescription>
+  %
+  % Tests that the parfrac method properly applies history to the copy
+  % constructor.
+  %
+  % </TestDescription>
+  function result = utp_07
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the 'rebuild' method.
+    % Test the constructor with a different number of inputs.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      out1 = parfrac(pf1);
+      out2 = parfrac(pf1, pf2);
+      out3 = parfrac(pf1, pf2, pf3);
+      out1.setName('my name');
+      out2(1).setName('my name');
+      out2(2).setName('my name');
+      out3(1).setName('my name');
+      out3(2).setName('my name');
+      out3(3).setName('my name');
+      mout = rebuild(out1);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the original objects are not changed by the setter
+    %    function
+    % 3) Check that the method rebuild produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      % It is the method 'setName' because we set it in above
+      if ~strcmp(out1.hist.methodInfo.mname, 'setName'), atest = false; end
+      % Check next to the last step in the history of 'out'
+      if ~strcmp(out1.hist.inhists.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check the originals
+      if strcmp(pf1, 'my name'), atest = false; end
+      if strcmp(pf2, 'my name'), atest = false; end
+      if strcmp(pf3, 'my name'), atest = false; end
+      % Check the rebuilt object
+      if ~eq(mout, out1, ple2), 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>
+  %
+  % Tests that the parfrac method properly applies history to the read
+  % MAT-file constructor.
+  %
+  % </TestDescription>
+  function result = utp_08
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the 'rebuild' method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      filename = 'pf.mat';
+      pf = parfrac(pf3);
+      save(pf, filename);
+
+      out  = parfrac(filename);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the loaded object is the same as the saved object.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the loaded object.
+      if ~eq(out, pf), atest = false; end
+      % Check the rebuilt object
+      if ~eq(mout, out, ple1), atest = false; end
+      % </AlgoCode>
+      delete(filename);
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_08
+
+
+  %% UTP_09
+
+  % <TestDescription>
+  %
+  % Tests that the parfrac method properly applies history to the read
+  % XML-file constructor.
+  %
+  % </TestDescription>
+  function result = utp_09
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the 'rebuild' method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      filename = 'pfm.xml';
+      amat = parfrac(pfm);
+      save(amat, filename);
+
+      out  = parfrac(filename);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the loaded object is the same as the saved object.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the algorithm
+      for kk = 1:numel(out)
+        % Check the loaded object.
+        if ~eq(out(kk), amat(kk)), atest = false; end
+      end
+
+      % Check the rebuilt object
+      for kk = 1:numel(out)
+        if ~eq(mout(kk), out(kk), ple2), atest = false; end
+      end
+      % </AlgoCode>
+      delete(filename);
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_09
+
+  %% UTP_10
+
+  % <TestDescription>
+  %
+  % Tests that the parfrac method properly doesn't apply history to the
+  % struct constructor.
+  %
+  % </TestDescription>
+  function result = utp_10
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the 'rebuild' method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      spf3         = struct(pf3);
+      spf3.iunits  = struct(pf3.iunits);
+      spf3.ounits  = struct(pf3.ounits);
+      spf3.hist    = struct(pf3.hist);
+
+      out1 = parfrac(struct(pf2));
+      out2 = parfrac(spf3);
+      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 'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check that the output is a PARFRAC object
+      if ~isa(out1,'parfrac'), atest = false; end
+      if ~isa(out2,'parfrac'), atest = false; end
+      % Check the last step in the history of 'out'
+      if ~strcmp(out1.hist.methodInfo.mname, 'setName'), atest = false; end
+      if ~strcmp(out2.hist.methodInfo.mname, 'setName'), atest = false; end
+      % Check the rebuilt object
+      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_10
+
+  %% UTP_11
+
+  % <TestDescription>
+  %
+  % Tests that the parfrac method properly applies history to the rational
+  % constructor.
+  %
+  % </TestDescription>
+  function result = utp_11
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the 'rebuild' method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      ra   = rational([1 2 3], [4 5 6 7], 'my rational', unit('V'), unit('Hz'));
+      out  = parfrac(ra);
+      mout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check that the output is a PARFRAC object
+      if ~isa(out,'parfrac'), atest = false; end
+      % Check the values of the parfract object
+      [res, poles, dterms, pmul] = utils.math.cpf('INOPT', 'RAT', 'NUM', ra.num, 'DEN', ra.den, 'MODE', 'SYM');
+      if ~isequal(out.res, res), atest = false; end
+      if ~isequal(out.poles, poles), atest = false; end
+      if ~isequal(out.dir, dterms), atest = false; end
+      if ~isequal(out.pmul, pmul), atest = false; end
+      if ~eq(out.iunits, unit('V')), atest = false; end
+      if ~eq(out.ounits, unit('Hz')), atest = false; end
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      if ~strcmp(out.hist.inhists.methodInfo.mname, 'rational'), atest = false; end
+      % Check the rebuilt object
+      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_11
+
+  %% UTP_12
+
+  % <TestDescription>
+  %
+  % Tests that the parfrac method properly applies history to the pzmodel
+  % constructor.
+  %
+  % </TestDescription>
+  function result = utp_12
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the 'rebuild' method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      ps  = [pz(1) pz(200)];
+      zs  =  pz(50);
+      pzm = pzmodel(1, ps, zs, unit('Hz^2'), unit('V^2'));
+      out = parfrac(pzm);
+      mout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check that the output is a PARFRAC object
+      if ~isa(out,'parfrac'), atest = false; end
+      % Check the values of the different proerpties
+      gs = utils.math.getk(vertcat(zs(:).ri),vertcat(ps(:).ri),pzm.gain);
+      [res, poles, dterms, pmul] = utils.math.cpf('INOPT', 'PZ', 'POLES', vertcat(ps(:).ri), 'ZEROS', vertcat(zs(:).ri), 'GAIN', gs, 'MODE', 'SYM');
+      if ~isequal(out.res, res),     atest = false; end
+      if ~isequal(out.poles, poles), atest = false; end
+      if ~isequal(out.dir, dterms),  atest = false; end
+      if ~isequal(out.pmul, pmul),   atest = false; end
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      if ~strcmp(out.hist.inhists.methodInfo.mname, 'pzmodel'), atest = false; end
+      % Check the rebuilt object
+      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_12
+
+  %% UTP_13
+
+  % <TestDescription>
+  %
+  % Tests that the parfrac method properly applies history to the
+  % plist(filename) constructor.
+  %
+  % </TestDescription>
+  function result = utp_13
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back to an m-file.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      filename1 = 'pf.xml';
+      filename2 = 'pf.mat';
+
+      f1 = parfrac(pf3);
+      f2 = parfrac(pf2);
+
+      save(f1, filename1);
+      save(f2, filename2);
+
+      out1 = parfrac(plist('filename', filename1));
+      out2 = parfrac(plist('filename', filename2));
+
+      rout1 = out1.rebuild;
+      rout2 = out2.rebuild;
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the save method doesn't change the input object
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the input object of the save method
+      if ~eq(f1, pf3, ple3), atest = false; end
+      if ~eq(f1.hist.inhists, pf3.hist) , atest = false; end
+      if ~eq(f2, pf2, ple3) , atest = false; end
+      if ~eq(f2.hist.inhists, pf2.hist)  , atest = false; end
+      % The load doesn't have two additionally history steps (save + load)
+      if ~eq(out1, f1), atest = false; end
+      if ~eq(out2, f2), atest = false; end
+      % Rebuild object and check the result
+      if ~eq(rout1, out1, ple2), atest = false; end
+      if ~eq(rout2, out2, ple2), atest = false; end
+      % </AlgoCode>
+      % delete test file
+      delete(filename1)
+      delete(filename2)
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_13
+
+  %% UTP_14
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % plist(conn) constructor.
+  %
+  % </TestDescription>
+  function result = utp_14
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      conn = utpGetConnection();
+
+      sinfo.conn                   = conn;
+      sinfo.experiment_title       = 'utp_parfrac_parfrac_14: submit parfrac vector';
+      sinfo.experiment_description = 'utp_parfrac_parfrac_14: &description';
+      sinfo.analysis_description   = '<utp_parfrac_parfrac_14>';
+      sinfo.quantity               = 'none';
+      sinfo.keywords               = 'none';
+      sinfo.reference_ids          = '';
+      sinfo.additional_comments    = 'none';
+      sinfo.additional_authors     = 'no one';
+
+      plForAutoTest = plist('no dialog', true, 'use selector', false);
+      ids = submit(pfv, sinfo, plForAutoTest);
+
+      out  = parfrac(plist('hostname', utpGetHostname, 'database', utpGetDatabase, 'conn', conn, 'id', ids));
+      % </SyntaxCode>
+      utpCloseConnection(conn);
+      stest = true;
+    catch err
+      disp(err.message)
+      % Close connection
+      utpCloseConnection(conn);
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the last entry in the history of 'out' corresponds to
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      for kk = 1:numel(out)
+        if ~strcmp(out(kk).hist.methodInfo.mname, 'parfrac'), atest = false; end
+      end
+      % Check data values
+      if ~eq(out, pfv, ple3), atest = false; end
+      % Rebuild object and check the result
+      mout = rebuild(out);
+      if ~eq(mout, out, ple3), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_14
+
+  %% UTP_15
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % plist(res || poles || dir) constructor.
+  %
+  % </TestDescription>
+  function result = utp_15
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      res = [1; 2+1i; 2-1i];
+      ps  = [6; 1+3i; 1-3i];
+      d   = [1; 2];
+      pl = plist('res', res, 'poles', ps, 'dir', d);
+      out = parfrac(pl);
+      mout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check the properties
+      if ~isequal(out.res, res),  atest = false; end
+      if ~isequal(out.poles, ps), atest = false; end
+      if ~isequal(out.dir, d),    atest = false; end
+      % Rebuild object and check the result
+      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_15
+
+  %% UTP_16
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % plist(pzmodel) constructor.
+  %
+  % </TestDescription>
+  function result = utp_16
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      ps   = [pz(1) pz(200)];
+      zs   = pz(50);
+      pzm  = pzmodel(1, ps, zs, unit('Hz'), unit('V'));
+      pl   = plist('pzmodel', pzm);
+      out   = parfrac(pl);
+
+      rout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check the next to the last step in the history.
+      % It must be the history of the pole/zero model (here 'pzmodel')
+      if ~strcmp(out.hist.inhists.methodInfo.mname, 'pzmodel'), atest = false; end
+      % Check values
+      gs = utils.math.getk(vertcat(zs(:).ri),vertcat(ps(:).ri),pzm.gain);
+      [res, poles, dterms, pmul] = utils.math.cpf('INOPT', 'PZ', 'POLES', vertcat(ps(:).ri), 'ZEROS', vertcat(zs(:).ri), 'GAIN', gs, 'MODE', 'SYM');
+      if ~isequal(out.res, res),     atest = false; end
+      if ~isequal(out.poles, poles), atest = false; end
+      if ~isequal(out.dir, dterms),  atest = false; end
+      if ~isequal(out.pmul, pmul),   atest = false; end
+      if ~eq(out.iunits, unit('Hz')), atest = false; end
+      if ~eq(out.ounits, unit('V')), atest = false; end
+      % Rebuild object and check the result
+      if ~eq(rout, out, ple1), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_16
+
+  %% UTP_17
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % plist(parfrac) constructor.
+  %
+  % </TestDescription>
+  function result = utp_17
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      ra  = rational([1 2 3], [4 5 6 7], 'my rational', unit('V'), unit('Hz'));
+      pl  = plist('rational', ra);
+      out = parfrac(pl);
+
+      mout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check the next to the last step in the history.
+      % It must be the history of the partial fraction model (here 'parfrac')
+      if ~strcmp(out.hist.inhists.methodInfo.mname, 'rational'), atest = false; end
+      % Check values
+      [res, poles, dterms, pmul] = utils.math.cpf('INOPT', 'RAT', 'NUM', ra.num, 'DEN', ra.den, 'MODE', 'SYM');
+      if ~isequal(out.res, res), atest = false; end
+      if ~isequal(out.poles, poles), atest = false; end
+      if ~isequal(out.dir, dterms), atest = false; end
+      if ~isequal(out.pmul, pmul), atest = false; end
+      if ~eq(out.iunits, unit('V')), atest = false; end
+      if ~eq(out.ounits, unit('Hz')), atest = false; end
+      % Rebuild object and check the result
+      if ~eq(mout, out, ple1), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_17
+
+  %% UTP_18
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % plist(<plist-object>) constructor.
+  %
+  % </TestDescription>
+  function result = utp_18
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      ra  = rational([1 2 3], [4 5 6 7], 'my rational', unit('V'), unit('Hz'));
+      pl  = plist('rational', ra);
+      out1  = parfrac(plist('plist', pl));
+      out2  = parfrac(plist('plist', plist())); % empty plist
+
+      rout1 = rebuild(out1);
+      rout2 = 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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out1'
+      if ~strcmp(out1.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check the next to the last step in the history.
+      % It must be the history of the partial fraction model (here 'parfrac')
+      if ~strcmp(out1.hist.inhists.methodInfo.mname, 'rational'), atest = false; end
+      % Check values
+      if ~eq(out1.iunits, unit('V')), atest = false; end
+      if ~eq(out1.ounits, unit('Hz')), atest = false; end
+      % Check the last step in the history of 'out2'
+      if ~strcmp(out2.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check the next to the last step in the history.
+      if ~isempty(out2.hist.inhists), atest = false; end
+      % Rebuild object and check the result
+      if ~eq(rout1, out1, ple1), atest = false; end
+      if ~eq(rout2, out2, ple1), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_18
+
+  %% UTP_19
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the conn+Id
+  % constructor.
+  %
+  % </TestDescription>
+  function result = utp_19
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    conn     = utpGetConnection
+    try
+      % <SyntaxCode>
+
+      sinfo.conn                   = conn;
+      sinfo.experiment_title       = 'utp_parfrac_parfrac_19: submit parfrac';
+      sinfo.experiment_description = 'utp_parfrac_parfrac_19: description';
+      sinfo.analysis_description   = 'utp_parfrac_parfrac_19';
+      sinfo.quantity               = 'none';
+      sinfo.keywords               = 'none';
+      sinfo.reference_ids          = '';
+      sinfo.additional_comments    = 'none';
+      sinfo.additional_authors     = 'no one';
+
+      plForAutoTest = plist('no dialog', true, 'use selector', false);
+      [ids] = submit(pf3, sinfo, plForAutoTest);
+
+      out = parfrac(conn, ids);
+      % </SyntaxCode>
+      utpCloseConnection(conn);
+      stest = true;
+    catch err
+      disp(err.message)
+      % Close connection
+      utpCloseConnection(conn);
+      stest = false;
+    end
+
+    % <AlgoDescription>
+    %
+    % 1) Check that the last entry in the history of 'out' corresponds to
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check data values
+      if ~eq(out,pf3, ple3), atest = false; end
+      % Check the history except the additional 'submit' + 'retrieve' steps
+      if ~eq(out.hist.inhists, pf3.hist), atest = false; end
+      % Check the rebuilt object
+      mout = rebuild(out);
+      if ~eq(mout, out, ple3), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_19
+
+  %% UTP_20
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % res + poles + direct terms object constructor.
+  %
+  % </TestDescription>
+  function result = utp_20
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      res = [1; 2+1i; 2-1i];
+      ps  = [6; 1+3i; 1-3i];
+      d   = [1; 2];
+      out = parfrac(res, ps, d);
+
+      rout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check properties
+      if ~isequal(out.res, res),  atest = false; end
+      if ~isequal(out.poles, ps), atest = false; end
+      if ~isequal(out.dir, d),    atest = false; end
+      % Rebuild object and check the result
+      if ~eq(rout, out, ple1), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_20
+
+  %% UTP_21
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % res + poles + direct terms + name object constructor.
+  %
+  % </TestDescription>
+  function result = utp_21
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      res = [1; 2+1i; 2-1i];
+      ps  = [6; 1+3i; 1-3i];
+      d   = [1; 2];
+      name = 'my new crazy name';
+      out = parfrac(res, ps, d, name);
+
+      rout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check properties
+      if ~isequal(out.res, res),   atest = false; end
+      if ~isequal(out.poles, ps),  atest = false; end
+      if ~isequal(out.dir, d),     atest = false; end
+      if ~isequal(out.name, name), atest = false; end
+      % Rebuild object and check the result
+      if ~eq(rout, out, ple1), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_21
+
+  %% UTP_22
+
+  % <TestDescription>
+  %
+  % Tests that the PARFRAC method properly applies history to the
+  % res + poles + direct terms + name + iunits + ounits object constructor.
+  %
+  % </TestDescription>
+  function result = utp_22
+
+    % <SyntaxDescription>
+    %
+    % Test that the output can be processed back with the rebuild method.
+    %
+    % </SyntaxDescription>
+
+    try
+      % <SyntaxCode>
+      res  = [1; 2+1i; 2-1i];
+      ps   = [6; 1+3i; 1-3i];
+      d    = [1; 2];
+      name = 'I''m crazy';
+      iu   = unit('V^2');
+      ou   = 's^2/3';
+      out  = parfrac(res, ps, d, name, iu, ou);
+
+      rout = rebuild(out);
+      % </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
+    %    'parfrac'.
+    % 2) Check that the 'rebuild' method produces the same object as 'out'.
+    %
+    % </AlgoDescription>
+
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the last step in the history of 'out'
+      if ~strcmp(out.hist.methodInfo.mname, 'parfrac'), atest = false; end
+      % Check properties
+      if ~isequal(out.res, res),   atest = false; end
+      if ~isequal(out.poles, ps),  atest = false; end
+      if ~isequal(out.dir, d),     atest = false; end
+      if ~isequal(out.name, name), atest = false; end
+      if ~eq(out.iunits, iu),      atest = false; end
+      if ~eq(out.ounits, unit(ou), ple1), atest = false; end
+      % Rebuild object and check the result
+      if ~eq(rout, out, ple1), atest = false; end
+      % </AlgoCode>
+    else
+      atest = false;
+    end
+
+    % Return a result structure
+    result = utp_prepare_result(atest, stest, dbstack, mfilename);
+  end % END UTP_22
+
+end