use Test::More tests => 10; use Graph; my $g0 = Graph->new(hypervertexed => 1, uniqvertexed => 1); ok($g0->uniqvertexed); ok($g0->add_vertex('a', 'a')); ok($g0->has_vertex('a')); ok($g0->has_vertex('a', 'a')); ok($g0->has_vertex('a', 'a', 'a')); my $g1 = Graph->new(hypervertexed => 1, uniqvertexed => 0); ok(!$g1->uniqvertexed); ok($g1->add_vertex('a', 'a')); ok( $g1->has_vertex('a')); # Added implicitly ok( $g1->has_vertex('a', 'a')); ok(!$g1->has_vertex('a', 'a', 'a'));