#!/usr/bin/perl -w

# Copyright 2010, 2011, 2012, 2013, 2014 Kevin Ryde

# This file is part of Math-NumSeq.
#
# Math-NumSeq 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, or (at your option) any later
# version.
#
# Math-NumSeq 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 Math-NumSeq.  If not, see <http://www.gnu.org/licenses/>.

use 5.004;
use strict;
use Test;
plan tests => 6;

use lib 't';
use MyTestHelpers;
MyTestHelpers::nowarnings();

use Math::NumSeq::MobiusFunction;

# uncomment this to run the ### lines
#use Smart::Comments;

#------------------------------------------------------------------------------
# VERSION

{
  my $want_version = 70;
  ok ($Math::NumSeq::MobiusFunction::VERSION, $want_version,
      'VERSION variable');
  ok (Math::NumSeq::MobiusFunction->VERSION,  $want_version,
      'VERSION class method');

  ok (eval { Math::NumSeq::MobiusFunction->VERSION($want_version); 1 },
      1,
      "VERSION class check $want_version");
  my $check_version = $want_version + 1000;
  ok (! eval { Math::NumSeq::MobiusFunction->VERSION($check_version); 1 },
      1,
      "VERSION class check $check_version");
}


#------------------------------------------------------------------------------
# values

{
  my $seq = Math::NumSeq::MobiusFunction->new;
  my $want_arrayref = [1,  1,
                       2,  -1,
                       3,  -1,
                       4,  0,
                       5,  -1,
                       6,  1,
                       7,  -1,
                       8,  0,
                       9,  0,
                       10, 1,
                       11, -1,
                       12, 0,
                       13, -1,
                       14, 1,
                       15, 1,
                       16, 0,
                       17, -1,
                       18, 0,
                       19, -1,
                       20, 0,
                       21, 1,
                       22, 1,
                       23, -1,
                       24, 0,
                       25, 0,
                       26, 1,
                       27, 0,
                       28, 0,
                       29, -1,
                       30, -1,
                      ];
  my $want = join (',', @$want_arrayref);
  {
    my $got = join ',', map {$seq->next} 1..30;
    ok ($got, $want,
        'MobiusFunction 1 to 30 iterator');
  }
  {
    $seq->rewind;
    my $got = join ',', map {$seq->next} 1..30;
    ok ($got, $want,
        'MobiusFunction 1 to 30 rewind iterator');
  }

  # my %got_hashref;
  # foreach my $n (2 .. 17) {
  #   if ($gen->is_iter_arrayref($n)) {
  #     $got_hashref{$n} = undef;
  #   }
  # }
  # is_deeply ($got_arrayref, $want_arrayref,
  #            'MobiusFunction 2 to 17 is_iter_arrayref()');
}

exit 0;