1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
use Test::More tests => 28;
use Graph;
my $g1 = Graph->new;
ok ( !$g1->countvertexed );
my $g2 = Graph->new( countvertexed => 1 );
ok ( $g2->countvertexed );
is( $g2->vertices, 0 );
is( $g2->unique_vertices, 0 );
ok( $g2->add_vertex('a') );
is( $g2->vertices, 1 );
is( $g2->unique_vertices, 1 );
ok( $g2->add_vertex('a') );
is( $g2->vertices, 2 );
is( $g2->unique_vertices, 1 );
ok( $g2->add_vertex('b') );
is( $g2->vertices, 3 );
is( $g2->unique_vertices, 2 );
ok( $g2->add_vertex('a') );
is( $g2->vertices, 4 );
is( $g2->unique_vertices, 2 );
ok( $g2->delete_vertex('b') );
is( $g2->vertices, 3 );
is( $g2->unique_vertices, 1 );
ok( $g2->delete_vertex('a') );
is( $g2->vertices, 2 );
is( $g2->unique_vertices, 1 );
ok( $g2->delete_vertex('a') );
is( $g2->vertices, 1 );
is( $g2->unique_vertices, 1 );
is( $g2->delete_vertex('a'), "" ); # ok($g2->...) fails in 5.00504
is( $g2->vertices, 0 );
is( $g2->unique_vertices, 0 );
|
