use Test::More tests => 45;

use strict;
use warnings;

BEGIN { use_ok("Number::Tolerant"); }

my $guess = Number::Tolerant->new(5 => plus_or_minus => 0);

ok($guess, "created our object");

ok(
  ! eval { $guess->isa('Number::Tolerant') },
  ' ... is not a Number::Tolerant',
);

is("$guess", "5",         " ... stringifies properly");
is(0+$guess, 5,           " ... numifies properly");

ok(0.0 != $guess,         " ... 0.0 isn't equal to it");
ok(4.4 != $guess,         " ... 4.4 isn't equal to it");
ok(4.5 != $guess,         " ... 4.5 isn't equal to it");
ok(5.0 == $guess,         " ... 5.0 is equal to it");
ok(5.5 != $guess,         " ... 5.5 isn't equal to it");
ok(5.6 != $guess,         " ... 5.6 isn't equal to it");
ok(6.0 != $guess,         " ... 6.0 isn't equal to it");

ok(     4.4 < $guess,     " ... 4.4 is less than it");
ok(not( 4.4 > $guess),    " ... 4.4 isn't more than it");
ok(     4.5 < $guess,     " ... 4.5 is less than it");
ok(not( 4.5 > $guess),    " ... 4.5 isn't more than it");
ok(not( 5.0 < $guess),    " ... 5.0 isn't less than it");
ok(not( 5.0 > $guess),    " ... 5.0 isn't more than it");
ok(not( 5.5 < $guess),    " ... 5.5 isn't less than it");
ok(     5.5 > $guess,     " ... 5.5 is more than it");
ok(not( 5.6 < $guess),    " ... 5.6 isn't less than it");
ok(     5.6 > $guess,     " ... 5.6 is more than it");

is( (4 <=> $guess), -1,   " ... 4 <=> it is -1");
is( (5 <=> $guess),  0,   " ... 5 <=> it is  0");
is( (6 <=> $guess), +1,   " ... 6 <=> it is +1");

# ... and now more of the same, BACKWARDS

ok($guess != 0.0,         " ... it isn't equal to 0.0");
ok($guess != 4.4,         " ... it isn't equal to 4.4");
ok($guess != 4.5,         " ... it isn't equal to 4.5");
ok($guess == 5.0,         " ... it is equal to 5.0");
ok($guess != 5.5,         " ... it isn't equal to 5.5");
ok($guess != 5.6,         " ... it isn't equal to 5.6");
ok($guess != 6.0,         " ... it isn't equal to 6.0");

ok(not( $guess < 4.4),    " ... it isn't less than 4.4");
ok(not( $guess < 4.5),    " ... it isn't less than 4.5");
ok(not( $guess < 5.0),    " ... it isn't less than 5.0");
ok(     $guess < 5.5,     " ... it is less than 5.5");
ok(     $guess < 5.6,     " ... it is less than 5.6");

ok(     $guess > 4.4,     " ... it is more than 4.4");
ok(     $guess > 4.5,     " ... it is more than 4.5");
ok(not( $guess > 5.0),    " ... it isn't more than 5.0");
ok(not( $guess > 5.5),    " ... it isn't more than 5.5");
ok(not( $guess > 5.6),    " ... it isn't more than 5.6");

is( ($guess <=> 4), +1,   " ... 4 <=> it is -1");
is( ($guess <=> 5),  0,   " ... 5 <=> it is  0");
is( ($guess <=> 6), -1,   " ... 6 <=> it is +1");