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use Test::More tests => 14;
use Graph;
use Graph::AdjacencyMatrix;
my $g = Graph->new(vertices => [0..9]);
$g->add_edge(qw(2 3));
my $m = Graph::AdjacencyMatrix->new($g);
my $am = $m->adjacency_matrix;
my $dm = $m->distance_matrix;
my @V = $m->vertices;
# use Data::Dumper; print Dumper($am);
# use Data::Dumper; print Dumper($dm);
# use Data::Dumper; print Dumper(\@V);
is(@{$am->[0]}, 10);
is($am->vertices, 10);
is("@{[sort $am->vertices]}", "0 1 2 3 4 5 6 7 8 9");
is($dm, undef);
is(@V, 10);
is("@{[sort @V]}", "0 1 2 3 4 5 6 7 8 9");
ok( $m->is_adjacent(2, 3));
ok(!$m->is_adjacent(3, 2));
is( $m->distance(2, 3), undef);
is( $m->distance(3, 2), undef);
$g->add_weighted_edge(2, 3, 45);
$m = Graph::AdjacencyMatrix->new($g, distance_matrix => 0);
is( $m->distance(2, 3), undef);
is( $m->distance(3, 2), undef);
$m = Graph::AdjacencyMatrix->new($g, distance_matrix => 1);
is( $m->distance(2, 3), 45);
is( $m->distance(3, 2), undef);
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