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package Math::GSL::Combination::Test;
use base q{Test::Class};
use Test::More tests => 23;
use Math::GSL::Test qw/:all/;
use Math::GSL::Combination qw/:all/;
use Math::GSL::Errno qw/:all/;
use Math::GSL qw/:all/;
use Data::Dumper;
use strict;
sub make_fixture : Test(setup) {
my $self = shift;
$self->{comb} = gsl_combination_calloc(10,5);
$self->{obj} = Math::GSL::Combination->new(10,5);
}
sub teardown : Test(teardown) {
my $self = shift;
unlink 'combo.txt' if -e 'combo.txt';
}
sub GSL_COMBINATION_ALLOC : Tests {
my $c = gsl_combination_alloc(2,2);
isa_ok($c, 'Math::GSL::Combination');
}
sub GSL_COMBINATION_CALLOC : Tests {
my $c = gsl_combination_calloc(2,2);
isa_ok($c, 'Math::GSL::Combination');
}
sub GSL_COMBINATION_GET : Tests {
my $self = shift;
map {ok(gsl_combination_get($self->{comb}, $_) eq $_) } (0..4);
}
sub GSL_COMBINATION_NEXT : Tests {
my $c = gsl_combination_calloc(6,3);
is_deeply( [ map{ gsl_combination_get($c,$_) } (0..1) ] , [ 0 .. 1 ] );
ok_status(gsl_combination_next($c));
is_deeply( [ map{ gsl_combination_get($c,$_) } (0..2) ] , [ 0, 1, 3 ] );
}
sub NEW : Tests {
my $c = Math::GSL::Combination->new(5,5);
isa_ok($c, 'Math::GSL::Combination');
is_deeply( [ map { gsl_combination_get($c->raw, $_) } (0..4) ],
[ 0 .. 4 ] );
}
sub AS_LIST: Tests {
my $self = shift;
is_deeply( [ $self->{obj}->as_list ] , [ 0 .. 4 ] );
}
sub LENGTH : Tests {
my $self = shift;
ok($self->{obj}->length eq 10);
}
sub ELEMENTS : Tests {
my $self = shift;
ok($self->{obj}->elements eq 5);
}
sub NEXT_STATUS : Tests {
my $c = Math::GSL::Combination->new(6,3);
$c->next();
ok( $c->status() == 0 );
}
sub PREV_STATUS : Tests {
my $c = Math::GSL::Combination->new(6,3);
$c->next();
$c->prev();
ok( $c->status() == 0 );
}
sub FWRITE : Tests {
my $c = Math::GSL::Combination->new(6,3);
my $new = Math::GSL::Combination->new(6,3);
my $fd = gsl_fopen('combo.txt', 'w') or die $!;
ok_status( gsl_combination_fwrite($fd, $c->raw) );
gsl_fclose($fd);
$fd = gsl_fopen('combo.txt', 'r') or die $!;
ok_status(gsl_combination_fread($fd, $new->raw));
is_deeply ( [ $c->as_list ], [ $new->as_list ] );
}
sub NEXT : Tests {
my $c = Math::GSL::Combination->new(6,3);
is_deeply( [ $c->as_list ] , [ 0 .. 2 ] );
$c->next;
ok_status( $c->status );
is_deeply( [ $c->as_list ] , [ 0 , 1, 3 ] );
}
Test::Class->runtests;
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