#!/usr/bin/perl -w
# Copyright 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;
use lib 't';
use MyTestHelpers;
BEGIN { MyTestHelpers::nowarnings(); }
use Math::NumSeq::BalancedBinary;
# uncomment this to run the ### lines
#use Smart::Comments;
my $test_count = (tests => 11)[1];
plan tests => $test_count;
#------------------------------------------------------------------------------
# VERSION
{
my $want_version = 71;
ok ($Math::NumSeq::BalancedBinary::VERSION, $want_version,
'VERSION variable');
ok (Math::NumSeq::BalancedBinary->VERSION, $want_version,
'VERSION class method');
ok (eval { Math::NumSeq::BalancedBinary->VERSION($want_version); 1 },
1,
"VERSION class check $want_version");
my $check_version = $want_version + 1000;
ok (! eval { Math::NumSeq::BalancedBinary->VERSION($check_version); 1 },
1,
"VERSION class check $check_version");
}
#------------------------------------------------------------------------------
# characteristic(), i_start(), parameters
{
my $seq = Math::NumSeq::BalancedBinary->new;
ok ($seq->characteristic('increasing'), 1, 'characteristic(increasing)');
ok ($seq->characteristic('integer'), 1, 'characteristic(integer)');
ok (! $seq->characteristic('smaller'), 1, 'characteristic(smaller)');
ok ($seq->i_start, 1, 'i_start()');
my @pnames = map {$_->{'name'}} $seq->parameter_info_list;
ok (join(',',@pnames),
'');
}
#------------------------------------------------------------------------------
# value_to_i_ceil()
{
my $seq = Math::NumSeq::BalancedBinary->new;
ok ($seq->value_to_i_ceil(1.75), 1);
ok ($seq->value_to_i_ceil(2.25), 2);
my ($want_i_ceil, $target_value) = $seq->next;
my $value = -5;
for (1 .. 50) {
for ( ; $value <= $target_value; $value++) {
my $got_i_ceil = $seq->value_to_i_ceil($value);
unless (equal($got_i_ceil,$want_i_ceil)) {
die "value_to_i_ceil()";
}
}
($want_i_ceil, $target_value) = $seq->next;
}
}
#------------------------------------------------------------------------------
# value_to_i_floor()
{
my $seq = Math::NumSeq::BalancedBinary->new;
my $want_i_floor = 1;
my $value = -5;
for (1 .. 50) {
my ($target_i, $target_value) = $seq->next;
for ( ; $value < $target_value; $value++) {
my $got_i_floor = $seq->value_to_i_floor($value);
unless (equal($got_i_floor,$want_i_floor)) {
die "value_to_i_floor()";
}
}
$want_i_floor = $target_i;
}
}
sub equal {
my ($x,$y) = @_;
return ((defined $x && defined $y && $x == $y)
|| (! defined $x && ! defined $y));
}
# #------------------------------------------------------------------------------
# # seek_to_value()
#
# {
# my $seq = Math::NumSeq::BalancedBinary->new;
# {
# $seq->seek_to_value(-123);
# my ($i, $value) = $seq->next;
# ok ($i, -123);
# ok ($value, -123);
# }
# {
# $seq->seek_to_value(-100.5);
# my ($i, $value) = $seq->next;
# ok ($i, -100);
# ok ($value, -100);
# }
# {
# $seq->seek_to_value(0);
# my ($i, $value) = $seq->next;
# ok ($i, 0);
# ok ($value, 0);
# }
# {
# $seq->seek_to_value(0.5);
# my ($i, $value) = $seq->next;
# ok ($i, 1);
# ok ($value, 1);
# }
# {
# $seq->seek_to_value(1);
# my ($i, $value) = $seq->next;
# ok ($i, 1);
# ok ($value, 1);
# }
# {
# $seq->seek_to_value(1.5);
# my ($i, $value) = $seq->next;
# ok ($i, 2);
# ok ($value, 2);
# }
# {
# $seq->seek_to_value(4);
# my ($i, $value) = $seq->next;
# ok ($i, 4);
# ok ($value, 4);
# }
# {
# $seq->seek_to_value(100.5);
# my ($i, $value) = $seq->next;
# ok ($i, 101);
# ok ($value, 101);
# }
# }
#------------------------------------------------------------------------------
exit 0;