#!/usr/bin/perl -w
# Copyright 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 => 8;
use lib 't';
use MyTestHelpers;
MyTestHelpers::nowarnings();
use Math::NumSeq::Expression;
# uncomment this to run the ### lines
#use Smart::Comments;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 71;
ok ($Math::NumSeq::Expression::VERSION, $want_version,
'VERSION variable');
ok (Math::NumSeq::Expression->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::NumSeq::Expression->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::NumSeq::Expression->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
}
#------------------------------------------------------------------------------
{
my $info = Math::NumSeq::Expression->parameter_info_hash->{'expression_evaluator'};
my $good = 1;
foreach my $evaluator (@{$info->{'choices'}}) {
my $seq = Math::NumSeq::Expression->new (expression_evaluator => $evaluator,
expression => '123');
my $got = join(',',$seq->next);
if ($got ne '0,123') {
MyTestHelpers::diag ("expression_evaluator $evaluator got $got");
$good = 0;
}
}
ok ($good, 1);
}
#------------------------------------------------------------------------------
# Perl expressions
{
my $seq = Math::NumSeq::Expression->new (expression => '2*i');
ok (join(',',map {$seq->next} 1,2,3), '0,0,1,2,2,4');
}
{
my $seq = Math::NumSeq::Expression->new (expression => 'i*2');
ok (join(',',map {$seq->next} 1,2,3), '0,0,1,2,2,4');
}
{
my $seq = Math::NumSeq::Expression->new (expression => '2*$i');
ok (join(',',map {$seq->next} 1,2,3), '0,0,1,2,2,4');
}
exit 0;