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use Test::More tests => 70;
use Graph;
my $g = Graph->new;
ok( !$g->has_graph_attributes() );
ok( !$g->has_graph_attributes() );
ok( $g->set_graph_attribute("color", "red") );
ok( $g->has_graph_attribute("color") );
ok( $g->has_graph_attribute("color") );
ok( $g->has_graph_attributes() );
ok( $g->has_graph_attributes() );
is( $g->get_graph_attribute("color"), "red" );
is( $g->get_graph_attribute("color"), "red" );
is( $g->get_graph_attribute("colour"), undef );
is( $g->get_graph_attribute("colour"), undef );
ok( $g->set_graph_attribute("color", "green") );
ok( $g->has_graph_attributes() );
ok( $g->has_graph_attributes() );
is( $g->get_graph_attribute("color"), "green" );
is( $g->get_graph_attribute("color"), "green" );
my $attr = $g->get_graph_attributes();
my @name = $g->get_graph_attribute_names();
my @val = $g->get_graph_attribute_values();
is( scalar keys %$attr, 1 );
is( scalar @name, 1 );
is( scalar @val, 1 );
is( $attr->{color}, "green" );
is( $name[0], "color" );
is( $val[0], "green" );
ok( $g->set_graph_attribute("taste", "rhubarb") );
ok( $g->has_graph_attributes() );
ok( $g->has_graph_attributes() );
is( $g->get_graph_attribute("taste"), "rhubarb" );
is( $g->get_graph_attribute("taste"), "rhubarb" );
is( $g->get_graph_attribute("color"), "green" );
is( $g->get_graph_attribute("taste"), "rhubarb" );
$attr = $g->get_graph_attributes();
@name = sort $g->get_graph_attribute_names();
@val = sort $g->get_graph_attribute_values();
is( scalar keys %$attr, 2 );
is( scalar @name, 2 );
is( scalar @val, 2 );
is( $attr->{color}, "green" );
is( $attr->{taste}, "rhubarb" );
is( $name[0], "color" );
is( $val[0], "green" );
is( $name[1], "taste" );
is( $val[1], "rhubarb" );
ok( $g->delete_graph_attribute("color" ) );
ok( !$g->has_graph_attribute("color" ) );
ok( $g->has_graph_attributes() );
is( $g->get_graph_attribute("taste"), "rhubarb" );
ok( $g->delete_graph_attributes() );
ok( !$g->has_graph_attributes() );
is( $g->get_graph_attribute("taste"), undef );
ok( !$g->delete_graph_attribute("taste" ) );
ok( !$g->delete_graph_attributes() );
$attr = $g->get_graph_attributes();
@name = $g->get_graph_attribute_names();
@val = $g->get_graph_attribute_values();
is( scalar keys %$attr, 0 );
is( scalar @name, 0 );
is( scalar @val, 0 );
ok($g->set_graph_attributes({ 'color' => 'pearl', 'weight' => 'heavy' }));
$attr = $g->get_graph_attributes();
is(scalar keys %$attr, 2);
is($attr->{color}, 'pearl');
is($attr->{weight}, 'heavy');
{
use Graph::Directed;
use Graph::Undirected;
my $g1a = Graph::Directed->new;
my $g1b = Graph::Undirected->new;
$g1a->add_edge(qw(a b));
$g1a->add_edge(qw(b c));
$g1a->add_edge(qw(b d));
$g1b->add_edge(qw(a b));
$g1b->add_edge(qw(b c));
$g1b->add_edge(qw(b d));
$g1a->set_graph_attribute('color', 'electric blue');
$g1b->set_graph_attribute('color', 'firetruck red');
is("@{[sort $g1a->successors('a')]}", "b");
is("@{[sort $g1a->successors('b')]}", "c d");
is("@{[sort $g1a->successors('c')]}", "");
is("@{[sort $g1a->successors('d')]}", "");
is("@{[sort $g1a->predecessors('a')]}", "");
is("@{[sort $g1a->predecessors('b')]}", "a");
is("@{[sort $g1a->predecessors('c')]}", "b");
is("@{[sort $g1a->predecessors('d')]}", "b");
is("@{[sort $g1b->successors('a')]}", "b");
is("@{[sort $g1b->successors('b')]}", "a c d");
is("@{[sort $g1b->successors('c')]}", "b");
is("@{[sort $g1b->successors('d')]}", "b");
is("@{[sort $g1b->predecessors('a')]}", "b");
is("@{[sort $g1b->predecessors('b')]}", "a c d");
is("@{[sort $g1b->predecessors('c')]}", "b");
is("@{[sort $g1b->predecessors('d')]}", "b");
}
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