[Octave-bug-tracker] [bug #45837] inputParser.addParamValue: failed validation for empty string

[Avinoam Kalma]

URL:
  <http://savannah.gnu.org/bugs/?45837>

                 Summary: inputParser.addParamValue: failed validation for
empty string
                 Project: GNU Octave
            Submitted by: avinoam
            Submitted on: Thu Aug 27 15:41:17 2015
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: Avinoam
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: Any

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Details:


Using the following function


function ip_bug (varargin)

def_dir = [];
p = inputParser;

p.addParamValue ('Dir', def_dir, @ischar); 
p.parse (varargin{:});
input_dir = p.Results.Dir;

if (isempty (input_dir))
  disp ('no path');
 else
  disp (input_dir);
end
end


in matlab R2010b


>> ip_bug ()
no dir


in Octave:


>> ip_bug ()
error: inputParser.addParamValue: failed validation for 'Dir' default value
error: called from
    validate_default at line 440 column 9
    addParamValue at line 315 column 7
    ip_bug at line 6 column 1






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