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require 'helper'
class GraphVizSubGraphTest < Test::Unit::TestCase
def test_subgraph
master1 = GraphViz::new(:G)
master1.add_graph('cluster_cl1')
master2 = GraphViz::new(:G)
cl2 = GraphViz::new('cluster_cl1')
master2.add_graph cl2
assert_equal(master1.to_s, master2.to_s, "Wrong subgraph")
end
def test_to_graph
m = GraphViz.new(:G)
m.add_edges("m1", "m2")
c = m.add_graph('c')
c.add_edges("c1", "c2")
assert_equal true, c.has_parent_graph?
assert_equal false, m.has_parent_graph?
ci = c.to_graph
assert_equal false, ci.has_parent_graph?
end
end
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