--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/utp_1.1/utps/ao/utp_ao_join_tsdata.m	Tue Dec 06 18:42:11 2011 +0100
@@ -0,0 +1,838 @@
+% UTP_AO_JOIN a set of UTPs for the ao/join method
+%
+% M Hewitson 06-08-08
+%
+% $Id: utp_ao_join_tsdata.m,v 1.12 2011/11/06 06:46:21 mauro Exp $
+%
+
+% <MethodDescription>
+%
+% The join method of the ao class join multiple AOs into a single AO. This
+% UTP join only analysis objects with tsdata. The other data objects will
+% be tested in an other UTP.
+%
+% </MethodDescription>
+
+function results = utp_ao_join_tsdata(varargin)
+  
+  % Check the inputs
+  if nargin == 0
+    
+    % Some keywords
+    class   = 'ao';
+    mthd    = 'join';
+    
+    results = [];
+    disp('******************************************************');
+    disp(['****  Running UTPs for ' class '/' mthd]);
+    disp('******************************************************');
+    
+    % 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 with the key 'axis'
+    results = [results utp_09];    % Test input data shape == output data shape
+    results = [results utp_10];    % Test the x-values
+    
+    a1 = ao(0:29, randn(30,1), 1);
+    a2 = ao(0:29, randn(30,1), 1);
+    a1.setT0('2009-02-12 14:00:00');
+    a2.setT0('2009-02-12 14:00:35');
+    
+    results = [results utp_11(mthd, [a1 a2], ple1)];    % 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 ~= 3, atest = false; end
+        % Check key
+        if ~io(3).plists.isparam('zerofill'), atest = false; end
+        if ~io(3).plists.isparam('sameT0'), atest = false; end
+        if ~io(3).plists.isparam('fstol'), atest = false; end
+        % Check default value
+        if ~isequal(io(3).plists.find('zerofill'), 'no'), atest = false; end
+        if ~isequal(io(3).plists.find('samet0'), 'no'), atest = false; end
+        if ~isequal(io(3).plists.find('fstol'), 1e-6), atest = false; end
+        % Check options
+        if ~isequal(io(3).plists.getOptionsForParam('zerofill'), {'yes', 'no'}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('samet0'), {'yes', 'no'}), atest = false; end
+        if ~isequal(io(3).plists.getOptionsForParam('fstol'), {1e-6}), 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 join method works with a vector of AOs as input.
+  %
+  % </TestDescription>
+  function result = utp_02
+    
+    % <SyntaxDescription>
+    %
+    % Test that the join method works for a vector of AOs as input.
+    %
+    % </SyntaxDescription>
+    
+    try
+      % <SyntaxCode>
+      a1 = ao(0:29, randn(30,1), 1);
+      a2 = ao(0:29, randn(30,1), 1);
+      a3 = ao(0:29, randn(30,1), 1);
+      a1.setT0('2009-02-12 14:00:00');
+      a2.setT0('2009-02-12 14:00:35');
+      a3.setT0('2009-02-12 14:00:20');
+      avec = [a1, a2, a3];
+      out  = join(avec);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that the output is exact one AO.
+    % 2) Check that the output have the correct data.
+    % 3) Check the re-built object
+    %
+    % </AlgoDescription>
+    
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check we have the correct number of outputs
+      if numel(out) ~= 1, atest = false; end
+      % Compute reference data
+      % Toff is the smallest t0. Here t0 of a1 -> '2009-02-12 14:00:00'
+      Toff = time('2009-02-12 14:00:00').double;
+      
+      % Vector of input aos is sorted based on the t0 value
+      t0s = avec.t0.double;
+      [~, idx] = sort(t0s);
+      
+      t0 = avec(idx(1)).t0.double - Toff;
+      x0 = avec(idx(1)).x + t0;
+      y0 = avec(idx(1)).data.getY;
+      for kk = 2:numel(avec)
+        t0 = avec(idx(kk)).t0.double - Toff;
+        x  = avec(idx(kk)).x + t0;
+        y  = avec(idx(kk)).y;
+        idxPost = find(x > max(x0));
+        idxPre  = find(x < min(x0));
+        x0 = [x(idxPre); x0; x(idxPost)];
+        y0 = [y(idxPre); y0; y(idxPost)];
+      end
+      if ~isequal(out.x, x0), atest = false; end
+      if ~isequal(out.y, y0), atest = false; end
+      if ~isequal(out.t0.double, Toff), atest = false; end
+      if ~eq(out, mout, ple2), atest = false; 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 join method works with a matrix of AOs as input.
+  %
+  % </TestDescription>
+  function result = utp_03
+    
+    % <SyntaxDescription>
+    %
+    % Test that the join method works for a matrix of AOs as input.
+    %
+    % </SyntaxDescription>
+    
+    try
+      % <SyntaxCode>
+      a1 = ao(0:29, randn(30,1), 1);
+      a2 = ao(0:29, randn(30,1), 1);
+      a3 = ao(0:29, randn(30,1), 1);
+      a4 = ao(0:29, randn(30,1), 1);
+      a5 = ao(0:29, randn(30,1), 1);
+      a6 = ao(0:29, randn(30,1), 1);
+      a1.setT0('2009-02-12 14:01:00');
+      a2.setT0('2009-02-12 14:00:20');
+      a3.setT0('2009-02-12 14:00:00');
+      a4.setT0('2009-02-12 14:00:50');
+      a5.setT0('2009-02-12 14:01:50');
+      a6.setT0('2009-02-12 14:02:00');
+      amat = [a1, a2, a3];
+      out  = join(amat);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that the output is exact one AO.
+    % 2) Check that the output have the correct data.
+    % 3) Check the re-built object
+    %
+    % </AlgoDescription>
+    
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check we have the correct number of outputs
+      if numel(out) ~= 1, atest = false; end
+      % Compute reference data
+      % Toff is the smallest t0. Here t0 of a1 -> '2009-02-12 14:00:00'
+      Toff = time('2009-02-12 14:00:00').double;
+      
+      % Matrix of input aos is sorted based on the t0 value
+      t0s = amat.t0.double;
+      [~, idx] = sort(t0s);
+      
+      t0 = amat(idx(1)).t0.double - Toff;
+      x0 = amat(idx(1)).x + t0;
+      y0 = amat(idx(1)).data.getY;
+      for kk = 2:numel(amat)
+        t0 = amat(idx(kk)).t0.double - Toff;
+        x  = amat(idx(kk)).x + t0;
+        y  = amat(idx(kk)).y;
+        idxPost = find(x > max(x0));
+        idxPre  = find(x < min(x0));
+        x0 = [x(idxPre); x0; x(idxPost)];
+        y0 = [y(idxPre); y0; y(idxPost)];
+      end
+      if ~isequal(out.x, x0), atest = false; end
+      if ~isequal(out.y, y0), atest = false; end
+      if ~isequal(out.t0.double, Toff), atest = false; end
+      if ~eq(out, mout, ple2), atest = false; 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 join method works with a list of AOs as input.
+  %
+  % </TestDescription>
+  function result = utp_04
+    
+    % <SyntaxDescription>
+    %
+    % Tests that the join method works with a list of AOs as input.
+    %
+    % </SyntaxDescription>
+    
+    try
+      % <SyntaxCode>
+      a1 = ao(0:29, randn(30,1), 1);
+      a2 = ao(0:29, randn(30,1), 1);
+      a3 = ao(0:29, randn(30,1), 1);
+      a1.setT0('2009-02-12 14:01:00');
+      a2.setT0('2009-02-12 14:00:30');
+      a3.setT0('2009-02-12 14:00:00');
+      out  = join(a1, a2, a3);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that the output is exact one AO.
+    % 2) Check that the output have the correct data.
+    % 3) Check the re-built object
+    %
+    % </AlgoDescription>
+    
+    atest = true;
+    aoin  = [a1 a2 a3];
+    if stest
+      % <AlgoCode>
+      % Check we have the correct number of outputs
+      if numel(out) ~= 1, atest = false; end
+      % Compute reference data
+      % Toff is the smallest t0. Here t0 of a1 -> '2009-02-12 14:00:00'
+      Toff = time('2009-02-12 14:00:00').double;
+      
+      % List of input aos is sorted based on the t0 value
+      t0s = aoin.t0.double;
+      [~, idx] = sort(t0s);
+      
+      t0 = aoin(idx(1)).t0.double - Toff;
+      x0 = aoin(idx(1)).x + t0;
+      y0 = aoin(idx(1)).data.getY;
+      for kk = 2:numel(aoin)
+        t0 = aoin(idx(kk)).t0.double - Toff;
+        x  = aoin(idx(kk)).x + t0;
+        y  = aoin(idx(kk)).y;
+        idxPost = find(x > max(x0));
+        idxPre  = find(x < min(x0));
+        x0 = [x(idxPre); x0; x(idxPost)];
+        y0 = [y(idxPre); y0; y(idxPost)];
+      end
+      if ~isequal(out.x, x0), atest = false; end
+      if ~isequal(out.y, y0), atest = false; end
+      if ~isequal(out.t0.double, Toff), atest = false; end
+      if ~eq(out, mout, ple2), atest = false; 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 join method works with a mix of different shaped AOs as
+  % input.
+  %
+  % </TestDescription>
+  function result = utp_05
+    
+    % <SyntaxDescription>
+    %
+    % Tests that the join method works with a mix of different shaped AOs
+    % as input.
+    %
+    % </SyntaxDescription>
+    
+    try
+      % <SyntaxCode>
+      a1 = ao(0:29, randn(30,1), 1);
+      a2 = ao(0:29, randn(30,1), 1);
+      a3 = ao(0:29, randn(30,1), 1);
+      a4 = ao(0:29, randn(30,1), 1);
+      a1.setT0('2009-02-12 14:01:00');
+      a2.setT0('2009-02-12 14:00:20');
+      a3.setT0('2009-02-12 14:00:00');
+      a4.setT0('2009-02-12 14:00:50');
+      out  = join(a1, [a2 a3], a4);
+      mout = rebuild(out);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that the output is exact one AO.
+    % 2) Check that the output have the correct data.
+    % 3) Check the re-built object
+    %
+    % </AlgoDescription>
+    
+    atest = true;
+    aoin  = [a1, a2, a3, a4];
+    if stest
+      % <AlgoCode>
+      % Check we have the correct number of outputs
+      if numel(out) ~= 1, atest = false; end
+      % Compute reference data
+      % Toff is the smallest t0. Here t0 of a1 -> '2009-02-12 14:00:00'
+      Toff = time('2009-02-12 14:00:00').double;
+      
+      % Matrix of input aos is sorted based on the t0 value
+      t0s = aoin.t0.double;
+      [~, idx] = sort(t0s);
+      
+      t0 = aoin(idx(1)).t0.double - Toff;
+      x0 = aoin(idx(1)).x + t0;
+      y0 = aoin(idx(1)).data.getY;
+      for kk = 2:numel(aoin)
+        t0 = aoin(idx(kk)).t0.double - Toff;
+        x  = aoin(idx(kk)).x + t0;
+        y  = aoin(idx(kk)).y;
+        idxPost = find(x > max(x0));
+        idxPre  = find(x < min(x0));
+        x0 = [x(idxPre); x0; x(idxPost)];
+        y0 = [y(idxPre); y0; y(idxPost)];
+      end
+      if ~isequal(out.x, x0), atest = false; end
+      if ~isequal(out.y, y0), atest = false; end
+      if ~isequal(out.t0.double, Toff), atest = false; end
+      if ~eq(out, mout, ple2), atest = false; 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 join method properly applies history.
+  %
+  % </TestDescription>
+  function result = utp_06
+    
+    % <SyntaxDescription>
+    %
+    % Test that the result of applying the join method can be processed back.
+    %
+    % </SyntaxDescription>
+    
+    try
+      % <SyntaxCode>
+      a1 = ao(0:29, randn(30,1), 1);
+      a2 = ao(0:29, randn(30,1), 1);
+      a1.setT0('2009-02-12 14:00:00');
+      a2.setT0('2009-02-12 14:00:35');
+      
+      out  = join(a1, a2);
+      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
+    %    'join'.
+    % 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(out.hist.methodInfo.mname, 'join'), atest = false; end
+      % The rebuilt object must be the same as 'out'
+      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 join method can modify the input AO.
+  %
+  % </TestDescription>
+  function result = utp_07
+    
+    % <SyntaxDescription>
+    %
+    % Test that the join 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>
+      % copy at1 to work with
+      a1 = ao(0:29, randn(30,1), 1);
+      a2 = ao(0:29, randn(30,1), 1);
+      a1.setT0('2009-02-12 14:00:00');
+      a2.setT0('2009-02-12 14:00:25');
+      
+      amodi = ao(a1);
+      aeq   = ao(a1);
+      out = aeq.join(a2);
+      amodi.join(a2);
+      % </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 input is joined
+    % 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(a1), ple1), atest = false; end
+      % Check that the modified input is joined
+      Toff = time('2009-02-12 14:00:00').double;
+      
+      t0 = amodi.t0.double - Toff;
+      x0 = amodi.x + t0;
+      y0 = amodi.data.getY;
+      t0 = a2.t0.double - Toff;
+      x  = a2.x + t0;
+      y  = a2.y;
+      idxPost = find(x > max(x0));
+      idxPre  = find(x < min(x0));
+      x0 = [x(idxPre); x0; x(idxPost)];
+      y0 = [y(idxPre); y0; y(idxPost)];
+      if ~isequal(amodi.x, x0), atest = false; end
+      if ~isequal(amodi.y, y0), atest = false; end
+      if ~isequal(amodi.t0.double, Toff), atest = false; end
+      % Check that out and amodi are the same
+      if ~eq(out, amodi, 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>
+  %
+  % Test that the join method fills the gaps with zeros.
+  %
+  % </TestDescription>
+  function result = utp_08
+    
+    % <SyntaxDescription>
+    %
+    % Test that the join method fills the gaps with zeros.
+    %
+    % </SyntaxDescription>
+    
+    try
+      % <SyntaxCode>
+      n = 29;
+      fs = 3;
+      x = 0:(1/fs):(n/fs)-1/fs;
+      a1 = ao(x, randn(n,1), fs);
+      a2 = ao(x, randn(n,1), fs);
+      a3 = ao(x, randn(n,1), fs);
+      a1.setT0('2009-02-12 14:00:00');
+      a2.setT0('2009-02-12 14:00:35');
+      a3.setT0('2009-02-12 14:01:15');
+      pl = plist('zerofill', true);
+      
+      out1  = join(a1, a2, pl);
+      out2  = join(a1, a2, a3, pl);
+      mout1 = rebuild(out1);
+      mout2 = rebuild(out2);
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    
+    % <AlgoDescription>
+    %
+    % 1) Check that the join method filled the gaps with zero
+    % 2) Check that the re-built objects are the same as out[1..2]
+    %
+    % </AlgoDescription>
+    
+    atest = true;
+    TOL   = 1e-13;
+    if stest
+      % <AlgoCode>
+      % Check 'out1'
+      Toff = time('2009-02-12 14:00:00').double;
+      t0 = a1.t0.double - Toff;
+      x0 = a1.x + t0;
+      y0 = a1.data.getY;
+      t0 = a2.t0.double - Toff;
+      x  = a2.x + t0;
+      y  = a2.y;
+      idxPost = find(x > max(x0));
+      idxPre  = find(x < min(x0));
+      x0 = [x(idxPre); x0; x(idxPost)];
+      y0 = [y(idxPre); y0; y(idxPost)];
+      % Look for gaps
+      d = diff(x0);
+      gap = find(d >= 2*1/a1.fs);
+      xgap = linspace(x0(gap)+1/a1.fs, x0(gap+1)-1/a1.fs, (x0(gap+1)-x0(gap))*a1.fs-2*1/a1.fs).';
+      ygap = zeros(length(xgap),1);
+      x0   = [x0(1:gap); xgap; x0(gap+1:end)];
+      y0   = [y0(1:gap); ygap; y0(gap+1:end)];
+      if any(abs(out1.x - x0) > TOL ), atest = false; end
+      if ~isequal(out1.y, y0), atest = false; end
+      
+      % Check 'out2'
+      Toff = time('2009-02-12 14:00:00').double;
+      t0 = a1.t0.double - Toff;
+      x0 = a1.x + t0;
+      y0 = a1.data.getY;
+      % Join a2
+      t0 = a2.t0.double - Toff;
+      x  = a2.x + t0;
+      y  = a2.y;
+      idxPost = find(x > max(x0));
+      idxPre  = find(x < min(x0));
+      x0 = [x(idxPre); x0; x(idxPost)];
+      y0 = [y(idxPre); y0; y(idxPost)];
+      % Look for gaps
+      d = diff(x0);
+      gap = find(d >= 2*1/a1.fs);
+      xgap = linspace(x0(gap)+1/a1.fs, x0(gap+1)-1/a1.fs, (x0(gap+1)-x0(gap))*a1.fs-2*1/a1.fs).';
+      ygap = zeros(length(xgap),1);
+      x0   = [x0(1:gap); xgap; x0(gap+1:end)];
+      y0   = [y0(1:gap); ygap; y0(gap+1:end)];
+      % Join a3
+      t0 = a3.t0.double - Toff;
+      x  = a3.x + t0;
+      y  = a3.y;
+      idxPost = find(x > max(x0));
+      idxPre  = find(x < min(x0));
+      x0 = [x(idxPre); x0; x(idxPost)];
+      y0 = [y(idxPre); y0; y(idxPost)];
+      % Look for gaps
+      d = diff(x0);
+      gap = find(d >= 2*1/a1.fs);
+      xgap = linspace(x0(gap)+1/a1.fs, x0(gap+1)-1/a1.fs, (x0(gap+1)-x0(gap))*a1.fs-2*1/a1.fs).';
+      ygap = zeros(length(xgap),1);
+      x0   = [x0(1:gap); xgap; x0(gap+1:end)];
+      y0   = [y0(1:gap); ygap; y0(gap+1:end)];
+      if any(abs(out2.x - x0) > TOL ), atest = false; end
+      if ~isequal(out2.y, y0), atest = false; end
+      
+      % Check out[1..2]
+      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_08
+  
+  %% UTP_09
+  
+  % <TestDescription>
+  %
+  % Test the shape of the output.
+  %
+  % </TestDescription>
+  function result = utp_09
+    
+    % <SyntaxDescription>
+    %
+    % Test that the join 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>
+      a1 = ao([0:29 30:49], randn(50,1), 1);
+      a2 = ao([20:49 50:69], randn(1,50), 1);
+      a1.setT0('2009-02-12 14:00:00');
+      a2.setT0('2009-02-12 14:00:00');
+      
+      out1  = join(a1, a2);
+      out2  = join(a2, a1);
+      % </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>
+  %
+  % Test the x-values.
+  %
+  % </TestDescription>
+  function result = utp_10
+    
+    % <SyntaxDescription>
+    %
+    % Test the x-values.
+    %
+    % </SyntaxDescription>
+    
+    try
+      % <SyntaxCode>
+      a1 = ao(1:20, randn(20,1), plist('type', 'tsdata'));
+      a2 = ao(11:30, randn(20,1), plist('type', 'tsdata'));
+      a3 = ao(41:50, randn(10,1), plist('type', 'tsdata'));
+      
+      out1  = join(a1, a2, a3, plist('zerofill', 'no'));
+      out2  = join(a1, a2, a3, plist('zerofill', 'yes'));
+      out3  = join(a2, a1, a3, plist('zerofill', 'no'));
+      out4  = join(a2, a1, a3, plist('zerofill', 'yes'));
+      % </SyntaxCode>
+      stest = true;
+    catch err
+      disp(err.message)
+      stest = false;
+    end
+    
+    % <AlgoDescription>
+    %
+    % 1) Check the x-values for the case where we 'zerofill' or not.
+    % 2) Compare the outputs to see that switching the order did not matter,
+    %    because if the different t0 of the data, that get sorted anyways.
+    %
+    % </AlgoDescription>
+    
+    atest = true;
+    if stest
+      % <AlgoCode>
+      % Check the x-getter of the AO
+      if ~isequal(out1.x, [1:30, 41:50]'), atest = false; end
+      if ~isequal(out2.x, [1:50]'), atest = false; end
+      if ~isequal(out3.x, [1:30, 41:50]'), atest = false; end
+      if ~isequal(out4.x, [1:50]'), atest = false; end
+      % Check the real stored x values
+      if ~isequal(out1.data.x, [0:29, 40:49]') || ~isequal(out1.data.toffset, 1000), atest = false; end
+      if ~isempty(out2.data.x), atest = false; end
+      if ~isequal(out3.data.x, [0:29, 40:49]') || ~isequal(out3.data.toffset, 1000), atest = false; end
+      if ~isempty(out4.data.x), 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