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Use file scoped namespaces (#63)
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@chtenb
chtenb authored Aug 9, 2023
1 parent eff63dc commit 4946925
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393 changes: 196 additions & 197 deletions README.md
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251 changes: 125 additions & 126 deletions Rubjerg.Graphviz.Test/CGraphBasicOperations.cs
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using System.Linq;
using NUnit.Framework;

namespace Rubjerg.Graphviz.Test
namespace Rubjerg.Graphviz.Test;

[TestFixture()]
public class CGraphBasicOperations
{
[TestFixture()]
public class CGraphBasicOperations
[Test()]
public void TestCopyAttributes()
{
[Test()]
public void TestCopyAttributes()
{
RootGraph root = Utils.CreateUniqueTestGraph();
Node n1 = root.GetOrAddNode("1");
Node.IntroduceAttribute(root, "test", "foo");
Assert.AreEqual("foo", n1.GetAttribute("test"));
n1.SetAttribute("test", "bar");
Assert.AreEqual("bar", n1.GetAttribute("test"));

RootGraph root2 = Utils.CreateUniqueTestGraph();
Node n2 = root2.GetOrAddNode("2");
Assert.AreEqual(null, n2.GetAttribute("test"));
Assert.AreEqual(0, n1.CopyAttributesTo(n2));
Assert.AreEqual("bar", n2.GetAttribute("test"));
}
RootGraph root = Utils.CreateUniqueTestGraph();
Node n1 = root.GetOrAddNode("1");
Node.IntroduceAttribute(root, "test", "foo");
Assert.AreEqual("foo", n1.GetAttribute("test"));
n1.SetAttribute("test", "bar");
Assert.AreEqual("bar", n1.GetAttribute("test"));

RootGraph root2 = Utils.CreateUniqueTestGraph();
Node n2 = root2.GetOrAddNode("2");
Assert.AreEqual(null, n2.GetAttribute("test"));
Assert.AreEqual(0, n1.CopyAttributesTo(n2));
Assert.AreEqual("bar", n2.GetAttribute("test"));
}

[Test()]
public void TestDeletions()
{
RootGraph root = Utils.CreateUniqueTestGraph();
[Test()]
public void TestDeletions()
{
RootGraph root = Utils.CreateUniqueTestGraph();

Node tail = root.GetOrAddNode("1");
Node head = root.GetOrAddNode("2");
Node other = root.GetOrAddNode("3");
Node tail = root.GetOrAddNode("1");
Node head = root.GetOrAddNode("2");
Node other = root.GetOrAddNode("3");

Edge edge = root.GetOrAddEdge(tail, head, "edge");
Edge tailout = root.GetOrAddEdge(tail, other, "tailout");
Edge headout = root.GetOrAddEdge(head, other, "headout");
Edge tailin = root.GetOrAddEdge(other, tail, "tailin");
Edge headin = root.GetOrAddEdge(other, head, "headin");
Edge edge = root.GetOrAddEdge(tail, head, "edge");
Edge tailout = root.GetOrAddEdge(tail, other, "tailout");
Edge headout = root.GetOrAddEdge(head, other, "headout");
Edge tailin = root.GetOrAddEdge(other, tail, "tailin");
Edge headin = root.GetOrAddEdge(other, head, "headin");

Assert.IsTrue(root.Equals(root.MyRootGraph));
Assert.IsTrue(root.Equals(tail.MyRootGraph));
Assert.IsTrue(root.Equals(edge.MyRootGraph));
Assert.IsTrue(root.Equals(root.MyRootGraph));
Assert.IsTrue(root.Equals(tail.MyRootGraph));
Assert.IsTrue(root.Equals(edge.MyRootGraph));

Assert.AreEqual(3, tail.TotalDegree());
Assert.AreEqual(3, head.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());
Assert.AreEqual(3, tail.TotalDegree());
Assert.AreEqual(3, head.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());

root.Delete(edge);
root.Delete(edge);

Assert.AreEqual(2, tail.TotalDegree());
Assert.AreEqual(2, head.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());
Assert.AreEqual(2, tail.TotalDegree());
Assert.AreEqual(2, head.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());

root.Delete(tail);
root.Delete(tail);

Assert.AreEqual(2, root.Nodes().Count());
Assert.AreEqual(2, other.TotalDegree());
}
Assert.AreEqual(2, root.Nodes().Count());
Assert.AreEqual(2, other.TotalDegree());
}

[Test()]
public void TestNodeMerge()
{
RootGraph root = Utils.CreateUniqueTestGraph();
Node merge = root.GetOrAddNode("merge");
Node target = root.GetOrAddNode("target");
Node other = root.GetOrAddNode("other");

Edge selfloop = root.GetOrAddEdge(merge, merge, "selfloop");
Edge contracted = root.GetOrAddEdge(merge, target, "contracted");
Edge counter = root.GetOrAddEdge(target, merge, "counter");
Edge mergeout = root.GetOrAddEdge(merge, other, "mergeout");
Edge targetout = root.GetOrAddEdge(target, other, "targetout");
Edge mergein = root.GetOrAddEdge(other, merge, "mergein");
Edge targetin = root.GetOrAddEdge(other, target, "targetin");

Assert.AreEqual(6, merge.TotalDegree());
Assert.AreEqual(4, target.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());

//root.ComputeDotLayout();
//root.ToSvgFile("dump1.svg");
//root.FreeLayout();
//root.ToDotFile("dump1.dot");

root.Merge(merge, target);

//root.ComputeDotLayout();
//root.ToSvgFile("dump2.svg");
//root.FreeLayout();
//root.ToDotFile("dump2.dot");

Assert.AreEqual(2, root.Nodes().Count());
Assert.AreEqual(3, target.InDegree());
Assert.AreEqual(3, target.OutDegree());
Assert.AreEqual(2, other.InDegree());
Assert.AreEqual(2, other.OutDegree());
}
[Test()]
public void TestNodeMerge()
{
RootGraph root = Utils.CreateUniqueTestGraph();
Node merge = root.GetOrAddNode("merge");
Node target = root.GetOrAddNode("target");
Node other = root.GetOrAddNode("other");

Edge selfloop = root.GetOrAddEdge(merge, merge, "selfloop");
Edge contracted = root.GetOrAddEdge(merge, target, "contracted");
Edge counter = root.GetOrAddEdge(target, merge, "counter");
Edge mergeout = root.GetOrAddEdge(merge, other, "mergeout");
Edge targetout = root.GetOrAddEdge(target, other, "targetout");
Edge mergein = root.GetOrAddEdge(other, merge, "mergein");
Edge targetin = root.GetOrAddEdge(other, target, "targetin");

Assert.AreEqual(6, merge.TotalDegree());
Assert.AreEqual(4, target.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());

//root.ComputeDotLayout();
//root.ToSvgFile("dump1.svg");
//root.FreeLayout();
//root.ToDotFile("dump1.dot");

root.Merge(merge, target);

//root.ComputeDotLayout();
//root.ToSvgFile("dump2.svg");
//root.FreeLayout();
//root.ToDotFile("dump2.dot");

Assert.AreEqual(2, root.Nodes().Count());
Assert.AreEqual(3, target.InDegree());
Assert.AreEqual(3, target.OutDegree());
Assert.AreEqual(2, other.InDegree());
Assert.AreEqual(2, other.OutDegree());
}

[Test()]
public void TestEdgeContraction()
[Test()]
public void TestEdgeContraction()
{
//NativeMethods.AllocConsole();
RootGraph root = Utils.CreateUniqueTestGraph();
Node tail = root.GetOrAddNode("x");
Node head = root.GetOrAddNode("xx");
Node other = root.GetOrAddNode("xxx");

Edge contracted = root.GetOrAddEdge(tail, head, "tocontract");
Edge parallel = root.GetOrAddEdge(tail, head, "parallel");
Edge counterparallel = root.GetOrAddEdge(head, tail, "counterparallel");
Edge tailout = root.GetOrAddEdge(tail, other, "tailout");
Edge headout = root.GetOrAddEdge(head, other, "headout");
Edge tailin = root.GetOrAddEdge(other, tail, "tailin");
Edge headin = root.GetOrAddEdge(other, head, "headin");

foreach (Node n in root.Nodes())
{
//NativeMethods.AllocConsole();
RootGraph root = Utils.CreateUniqueTestGraph();
Node tail = root.GetOrAddNode("x");
Node head = root.GetOrAddNode("xx");
Node other = root.GetOrAddNode("xxx");

Edge contracted = root.GetOrAddEdge(tail, head, "tocontract");
Edge parallel = root.GetOrAddEdge(tail, head, "parallel");
Edge counterparallel = root.GetOrAddEdge(head, tail, "counterparallel");
Edge tailout = root.GetOrAddEdge(tail, other, "tailout");
Edge headout = root.GetOrAddEdge(head, other, "headout");
Edge tailin = root.GetOrAddEdge(other, tail, "tailin");
Edge headin = root.GetOrAddEdge(other, head, "headin");

foreach (Node n in root.Nodes())
n.SafeSetAttribute("label", n.GetName(), "no");
n.SafeSetAttribute("fontname", "Arial", "Arial");
foreach (Edge e in n.EdgesOut())
{
n.SafeSetAttribute("label", n.GetName(), "no");
n.SafeSetAttribute("fontname", "Arial", "Arial");
foreach (Edge e in n.EdgesOut())
{
e.SafeSetAttribute("label", e.GetName(), "no");
e.SafeSetAttribute("fontname", "Arial", "Arial");
}
e.SafeSetAttribute("label", e.GetName(), "no");
e.SafeSetAttribute("fontname", "Arial", "Arial");
}
}


Assert.AreEqual(5, tail.TotalDegree());
Assert.AreEqual(5, head.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());
Assert.AreEqual(5, tail.TotalDegree());
Assert.AreEqual(5, head.TotalDegree());
Assert.AreEqual(3, root.Nodes().Count());

Node contraction = root.Contract(contracted, "contraction result");
Node contraction = root.Contract(contracted, "contraction result");

foreach (Node n in root.Nodes())
foreach (Node n in root.Nodes())
{
n.SafeSetAttribute("label", n.GetName(), "no");
n.SafeSetAttribute("fontname", "Arial", "Arial");
foreach (Edge e in n.EdgesOut())
{
n.SafeSetAttribute("label", n.GetName(), "no");
n.SafeSetAttribute("fontname", "Arial", "Arial");
foreach (Edge e in n.EdgesOut())
{
e.SafeSetAttribute("label", e.GetName(), "no");
e.SafeSetAttribute("fontname", "Arial", "Arial");
}
e.SafeSetAttribute("label", e.GetName(), "no");
e.SafeSetAttribute("fontname", "Arial", "Arial");
}

//Console.Read();
Assert.AreEqual(2, root.Nodes().Count());
Assert.AreEqual(2, contraction.InDegree());
Assert.AreEqual(2, contraction.OutDegree());
Assert.AreEqual(2, other.InDegree());
Assert.AreEqual(2, other.OutDegree());
}

//Console.Read();
Assert.AreEqual(2, root.Nodes().Count());
Assert.AreEqual(2, contraction.InDegree());
Assert.AreEqual(2, contraction.OutDegree());
Assert.AreEqual(2, other.InDegree());
Assert.AreEqual(2, other.OutDegree());
}

}
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