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ETJ / Graph-0.9735 / t / 48_get_vertex_count.t 

            

              
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use strict; use warnings;
use Test::More tests => 12;
use Graph;
my $g = Graph->new;
is( $g->get_vertex_count("a"), 0 );
is( $g->get_vertex_count("b"), 0 );
$g->add_vertex("a");
is( $g->get_vertex_count("a"), 1 );
is( $g->get_vertex_count("b"), 0 );
$g->add_vertex("a");
is( $g->get_vertex_count("a"), 1 );
is( $g->get_vertex_count("b"), 0 );
my $h = $g->new(countvertexed => 1);
$h->add_vertex("a");
$h->add_vertex("a");
is( $h->get_vertex_count("a"), 2 );
is( $h->get_vertex_count("b"), 0 );
$h->delete_vertex("a");
is( $h->get_vertex_count("a"), 1 );
is( $h->get_vertex_count("b"), 0 );
$h->delete_vertex("a");
is( $h->get_vertex_count("a"), 0 );
is( $h->get_vertex_count("b"), 0 );