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Revision Autor Zeilennr. Zeile
1 lars 1 
--TEST--
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Bug #15943: Nested subgraphs
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--FILE--
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<?php
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/**
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 * Bug 15943: "Nested subgraph"
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 *
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 * @category Image
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 * @package  Image_GraphViz
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 * @author   Philippe Jausions <jausions@php.net>
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 * @link     http://pear.php.net/bugs/bug.php?id=15019
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 */
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require_once 'Image/GraphViz.php';
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$graph = new Image_GraphViz(true, '', 'G', true);
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$graph->addCluster('A', '');
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$graph->addCluster('B', '', array('label' => 'Cluster B'), 'A');
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$graph->addCluster('C', '', null, 'A');
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$graph->addCluster('D', '', null, 'B');
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$graph->addNode('node0', null, 'A');
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$graph->addNode('node1', null, 'A');
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$graph->addNode('node2', array('color' => 'blue'), 'B');
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$graph->addNode('node3', null, 'B');
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$graph->addNode('node4', null, 'C');
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$graph->addNode('node6', null, 'D');
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$graph->addNode('node5');
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$graph->addEdge(array('node0' => 'node1'));
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$graph->addEdge(array('node2' => 'node3'));
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$graph->addEdge(array('node0' => 'node4'));
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$graph->addEdge(array('node4' => 'node5'));
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$graph->addEdge(array('node5' => 'node6'));
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echo $graph->parse();
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?>
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--EXPECT--
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strict digraph G {
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    node5;
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    subgraph cluster_A {
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        node0;
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        node1;
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        subgraph cluster_B {
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            graph [ label="Cluster B" ];
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            node2 [ color=blue ];
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            node3;
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            subgraph cluster_D {
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                node6;
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            }
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        }
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        subgraph cluster_C {
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            node4;
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        }
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    }
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    node0 -> node1;
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    node0 -> node4;
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    node2 -> node3;
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    node4 -> node5;
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    node5 -> node6;
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}