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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 foldmethod=marker: */
// +-----------------------------------------------------------------------------+
// | Copyright (c) 2003 Srgio Gonalves Carvalho |
// +-----------------------------------------------------------------------------+
// | This file is part of Structures_Graph. |
// | |
// | Structures_Graph is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU Lesser General Public License as published by |
// | the Free Software Foundation; either version 2.1 of the License, or |
// | (at your option) any later version. |
// | |
// | Structures_Graph is distributed in the hope that it will be useful, |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
// | GNU Lesser General Public License for more details. |
// | |
// | You should have received a copy of the GNU Lesser General Public License |
// | along with Structures_Graph; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
// | 02111-1307 USA |
// +-----------------------------------------------------------------------------+
// | Author: Srgio Carvalho <sergio.carvalho@portugalmail.com> |
// +-----------------------------------------------------------------------------+
//
require_once dirname(__FILE__) . '/helper.inc';
/**
* @access private
*/
class BasicGraph extends PHPUnit_Framework_TestCase
{
var $_graph = null;
function test_create_graph() {
$this->_graph = new Structures_Graph();
$this->assertTrue(is_a($this->_graph, 'Structures_Graph'));
}
function test_add_node() {
$this->_graph = new Structures_Graph();
$data = 1;
$node = new Structures_Graph_Node($data);
$this->_graph->addNode($node);
$node = new Structures_Graph_Node($data);
$this->_graph->addNode($node);
$node = new Structures_Graph_Node($data);
$this->_graph->addNode($node);
}
function test_connect_node() {
$this->_graph = new Structures_Graph();
$data = 1;
$node1 = new Structures_Graph_Node($data);
$node2 = new Structures_Graph_Node($data);
$this->_graph->addNode($node1);
$this->_graph->addNode($node2);
$node1->connectTo($node2);
$node =& $this->_graph->getNodes();
$node =& $node[0];
$node = $node->getNeighbours();
$node =& $node[0];
/*
ZE1 == and === operators fail on $node,$node2 because of the recursion introduced
by the _graph field in the Node object. So, we'll use the stupid method for reference
testing
*/
$node = true;
$this->assertTrue($node2);
$node = false;
$this->assertFalse($node2);
}
function test_data_references() {
$this->_graph = new Structures_Graph();
$data = 1;
$node = new Structures_Graph_Node();
$node->setData($data);
$this->_graph->addNode($node);
$data = 2;
$dataInNode =& $this->_graph->getNodes();
$dataInNode =& $dataInNode[0];
$dataInNode =& $dataInNode->getData();
$this->assertEquals($data, $dataInNode);
}
function test_metadata_references() {
$this->_graph = new Structures_Graph();
$data = 1;
$node = new Structures_Graph_Node();
$node->setMetadata('5', $data);
$data = 2;
$dataInNode =& $node->getMetadata('5');
$this->assertEquals($data, $dataInNode);
}
function test_metadata_key_exists() {
$this->_graph = new Structures_Graph();
$data = 1;
$node = new Structures_Graph_Node();
$node->setMetadata('5', $data);
$this->assertTrue($node->metadataKeyExists('5'));
$this->assertFalse($node->metadataKeyExists('1'));
}
function test_directed_degree() {
$this->_graph = new Structures_Graph(true);
$node = array();
$node[] = new Structures_Graph_Node();
$node[] = new Structures_Graph_Node();
$node[] = new Structures_Graph_Node();
$this->_graph->addNode($node[0]);
$this->_graph->addNode($node[1]);
$this->_graph->addNode($node[2]);
$this->assertEquals(0, $node[0]->inDegree(), 'inDegree test failed for node 0 with 0 arcs');
$this->assertEquals(0, $node[1]->inDegree(), 'inDegree test failed for node 1 with 0 arcs');
$this->assertEquals(0, $node[2]->inDegree(), 'inDegree test failed for node 2 with 0 arcs');
$this->assertEquals(0, $node[0]->outDegree(), 'outDegree test failed for node 0 with 0 arcs');
$this->assertEquals(0, $node[1]->outDegree(), 'outDegree test failed for node 1 with 0 arcs');
$this->assertEquals(0, $node[2]->outDegree(), 'outDegree test failed for node 2 with 0 arcs');
$node[0]->connectTo($node[1]);
$this->assertEquals(0, $node[0]->inDegree(), 'inDegree test failed for node 0 with 1 arc');
$this->assertEquals(1, $node[1]->inDegree(), 'inDegree test failed for node 1 with 1 arc');
$this->assertEquals(0, $node[2]->inDegree(), 'inDegree test failed for node 2 with 1 arc');
$this->assertEquals(1, $node[0]->outDegree(), 'outDegree test failed for node 0 with 1 arc');
$this->assertEquals(0, $node[1]->outDegree(), 'outDegree test failed for node 1 with 1 arc');
$this->assertEquals(0, $node[2]->outDegree(), 'outDegree test failed for node 2 with 1 arc');
$node[0]->connectTo($node[2]);
$this->assertEquals(0, $node[0]->inDegree(), 'inDegree test failed for node 0 with 2 arcs');
$this->assertEquals(1, $node[1]->inDegree(), 'inDegree test failed for node 1 with 2 arcs');
$this->assertEquals(1, $node[2]->inDegree(), 'inDegree test failed for node 2 with 2 arcs');
$this->assertEquals(2, $node[0]->outDegree(), 'outDegree test failed for node 0 with 2 arcs');
$this->assertEquals(0, $node[1]->outDegree(), 'outDegree test failed for node 1 with 2 arcs');
$this->assertEquals(0, $node[2]->outDegree(), 'outDegree test failed for node 2 with 2 arcs');
}
function test_undirected_degree() {
$this->_graph = new Structures_Graph(false);
$node = array();
$node[] = new Structures_Graph_Node();
$node[] = new Structures_Graph_Node();
$node[] = new Structures_Graph_Node();
$this->_graph->addNode($node[0]);
$this->_graph->addNode($node[1]);
$this->_graph->addNode($node[2]);
$this->assertEquals(0, $node[0]->inDegree(), 'inDegree test failed for node 0 with 0 arcs');
$this->assertEquals(0, $node[1]->inDegree(), 'inDegree test failed for node 1 with 0 arcs');
$this->assertEquals(0, $node[2]->inDegree(), 'inDegree test failed for node 2 with 0 arcs');
$this->assertEquals(0, $node[0]->outDegree(), 'outDegree test failed for node 0 with 0 arcs');
$this->assertEquals(0, $node[1]->outDegree(), 'outDegree test failed for node 1 with 0 arcs');
$this->assertEquals(0, $node[2]->outDegree(), 'outDegree test failed for node 2 with 0 arcs');
$node[0]->connectTo($node[1]);
$this->assertEquals(1, $node[0]->inDegree(), 'inDegree test failed for node 0 with 1 arc');
$this->assertEquals(1, $node[1]->inDegree(), 'inDegree test failed for node 1 with 1 arc');
$this->assertEquals(0, $node[2]->inDegree(), 'inDegree test failed for node 2 with 1 arc');
$this->assertEquals(1, $node[0]->outDegree(), 'outDegree test failed for node 0 with 1 arc');
$this->assertEquals(1, $node[1]->outDegree(), 'outDegree test failed for node 1 with 1 arc');
$this->assertEquals(0, $node[2]->outDegree(), 'outDegree test failed for node 2 with 1 arc');
$node[0]->connectTo($node[2]);
$this->assertEquals(2, $node[0]->inDegree(), 'inDegree test failed for node 0 with 2 arcs');
$this->assertEquals(1, $node[1]->inDegree(), 'inDegree test failed for node 1 with 2 arcs');
$this->assertEquals(1, $node[2]->inDegree(), 'inDegree test failed for node 2 with 2 arcs');
$this->assertEquals(2, $node[0]->outDegree(), 'outDegree test failed for node 0 with 2 arcs');
$this->assertEquals(1, $node[1]->outDegree(), 'outDegree test failed for node 1 with 2 arcs');
$this->assertEquals(1, $node[2]->outDegree(), 'outDegree test failed for node 2 with 2 arcs');
}
}
?>
|
