public void TestLiveEdgeDynamicGraphEdge1()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
uint tagsId = 10;
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = tagsId
}, null);
// test forward edge.
var arcs = graph.GetEdges(vertex1);
Assert.AreEqual(1, arcs.Length);
Assert.AreEqual(tagsId, arcs[0].Value.Tags);
Assert.AreEqual(vertex2, arcs[0].Key);
Assert.AreEqual(true, arcs[0].Value.Forward);
// test backward edge: backward edge is added automatically.
arcs = graph.GetEdges(vertex2);
Assert.AreEqual(1, arcs.Length);
Assert.AreEqual(tagsId, arcs[0].Value.Tags);
Assert.AreEqual(vertex1, arcs[0].Key);
Assert.AreEqual(false, arcs[0].Value.Forward);
// add a third vertex.
var vertex3 = graph.AddVertex(51, 2);
var edge = new LiveEdge()
{
Forward = true,
Tags = tagsId
};
graph.AddEdge(vertex1, vertex3, edge, null);
// test forward edges.
arcs = graph.GetEdges(vertex1);
Assert.AreEqual(2, arcs.Length);
Assert.AreEqual(tagsId, arcs[0].Value.Tags);
Assert.AreEqual(vertex2, arcs[0].Key);
Assert.AreEqual(true, arcs[0].Value.Forward);
Assert.AreEqual(tagsId, arcs[1].Value.Tags);
Assert.AreEqual(vertex3, arcs[1].Key);
Assert.AreEqual(true, arcs[1].Value.Forward);
// test backward edge: backward edge is added automatically.
arcs = graph.GetEdges(vertex3);
Assert.AreEqual(1, arcs.Length);
Assert.AreEqual(tagsId, arcs[0].Value.Tags);
Assert.AreEqual(vertex1, arcs[0].Key);
Assert.AreEqual(false, arcs[0].Value.Forward);
}
}
public void TestLiveEdgeDynamicGraphAddRemove2()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
uint tagsId = 10;
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
var vertex3 = graph.AddVertex(51, 3);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = tagsId
}, null);
graph.AddEdge(vertex2, vertex3, new LiveEdge()
{
Forward = true,
Tags = tagsId
}, null);
// test edges.
var edges = graph.GetEdges(vertex1);
Assert.AreEqual(1, edges.Length);
Assert.AreEqual(tagsId, edges[0].Value.Tags);
Assert.AreEqual(vertex2, edges[0].Key);
Assert.AreEqual(true, edges[0].Value.Forward);
edges = graph.GetEdges(vertex2);
Assert.AreEqual(2, edges.Length);
edges = graph.GetEdges(vertex3);
Assert.AreEqual(1, edges.Length);
Assert.AreEqual(tagsId, edges[0].Value.Tags);
Assert.AreEqual(vertex2, edges[0].Key);
Assert.AreEqual(false, edges[0].Value.Forward);
// remove edge again.
graph.RemoveEdge(vertex1, vertex2);
// test edges.
edges = graph.GetEdges(vertex1);
Assert.AreEqual(0, edges.Length);
edges = graph.GetEdges(vertex2);
Assert.AreEqual(1, edges.Length);
Assert.AreEqual(tagsId, edges[0].Value.Tags);
Assert.AreEqual(vertex3, edges[0].Key);
Assert.AreEqual(true, edges[0].Value.Forward);
edges = graph.GetEdges(vertex3);
Assert.AreEqual(1, edges.Length);
Assert.AreEqual(tagsId, edges[0].Value.Tags);
Assert.AreEqual(vertex2, edges[0].Key);
Assert.AreEqual(false, edges[0].Value.Forward);
}
}
public void TestLiveEdgeDynamicGraphArguments()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
uint vertex1 = graph.AddVertex(0, 0);
uint vertex2 = graph.AddVertex(0, 0);
uint vertex3 = 3;
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.AddEdge(vertex3, vertex1, new LiveEdge(), null);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.AddEdge(vertex1, vertex3, new LiveEdge(), null);
});
Assert.Catch <ArgumentException>(() =>
{
graph.AddEdge(vertex1, vertex1, new LiveEdge(), null);
});
Assert.Catch <ArgumentException>(() =>
{
graph.AddEdge(vertex1, vertex1, new LiveEdge(), null);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.ContainsEdge(vertex3, vertex1);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.ContainsEdge(vertex1, vertex3);
});
LiveEdge edge;
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.GetEdge(vertex3, vertex1, out edge);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.GetEdge(vertex1, vertex3, out edge);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.GetEdges(vertex3);
});
Assert.Catch <ArgumentOutOfRangeException>(() =>
{
graph.SetVertex(vertex3, 10, 10);
});
}
}
public void TestLiveEdgeDynamicGraphAddRemove1()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
uint tagsId = 10;
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = tagsId
}, null);
// test forward edge.
var arcs = graph.GetEdges(vertex1);
Assert.AreEqual(1, arcs.Length);
Assert.AreEqual(tagsId, arcs[0].Value.Tags);
Assert.AreEqual(vertex2, arcs[0].Key);
Assert.AreEqual(true, arcs[0].Value.Forward);
// remove edge again.
graph.RemoveEdge(vertex1, vertex2);
// check if the edge is gone.
arcs = graph.GetEdges(vertex1);
Assert.AreEqual(0, arcs.Length);
}
}
public void TestLiveEdgeDynamicGraphEdge10000()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
int count = 10000;
uint vertex1 = graph.AddVertex(51, 1);
while (count > 0)
{
uint vertex2 = graph.AddVertex(51, 1);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Tags = 0,
Forward = true
}, null);
var arcs = graph.GetEdges(vertex1);
Assert.AreEqual(10000 - count + 1, arcs.Length);
arcs = graph.GetEdges(vertex2);
Assert.AreEqual(1, arcs.Length);
Assert.AreEqual(0, arcs[0].Value.Tags);
Assert.AreEqual(vertex1, arcs[0].Key);
count--;
}
}
}
public void TestLiveEdgeDynamicGraphEdge()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = 0
}, null);
var arcs = graph.GetEdges(vertex1);
Assert.AreEqual(1, arcs.Length);
Assert.AreEqual(0, arcs[0].Value.Tags);
Assert.AreEqual(vertex2, arcs[0].Key);
arcs = graph.GetEdges(vertex2);
Assert.AreEqual(1, arcs.Length);
Assert.AreEqual(0, arcs[0].Value.Tags);
Assert.AreEqual(vertex1, arcs[0].Key);
LiveEdge edge;
Assert.IsTrue(graph.GetEdge(vertex1, vertex2, out edge));
Assert.AreEqual(0, edge.Tags);
Assert.AreEqual(true, edge.Forward);
Assert.IsTrue(graph.GetEdge(vertex2, vertex1, out edge));
Assert.AreEqual(0, edge.Tags);
Assert.AreEqual(false, edge.Forward);
}
}
public void TestLiveEdgeDynamicGraphCompressVertices()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
var vertex3 = graph.AddVertex(51, 3);
var vertex4 = graph.AddVertex(51, 3);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = 1
}, null);
graph.AddEdge(vertex2, vertex3, new LiveEdge()
{
Forward = true,
Tags = 2
}, null);
graph.AddEdge(vertex3, vertex4, new LiveEdge()
{
Forward = true,
Tags = 3
}, null);
graph.AddEdge(vertex4, vertex2, new LiveEdge()
{
Forward = true,
Tags = 4
}, null);
// make vertex4 obsolete.
graph.RemoveEdges(vertex4);
graph.Compress();
Assert.AreEqual(3, graph.VertexCount);
Assert.AreEqual(graph.GetEdges(vertex1).Length, 1);
Assert.AreEqual(graph.GetEdges(vertex2).Length, 2);
Assert.AreEqual(graph.GetEdges(vertex3).Length, 1);
}
}
public void TestLiveEdgeDynamicGraphAddReverse()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = 1
}, null);
graph.AddEdge(vertex2, vertex1, new LiveEdge()
{
Forward = true,
Tags = 2
}, null);
}
}
public void TestLiveEdgeDynamicGraphRemoveAll()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
var vertex3 = graph.AddVertex(51, 3);
var vertex4 = graph.AddVertex(51, 3);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = 1
});
graph.AddEdge(vertex2, vertex3, new LiveEdge()
{
Forward = true,
Tags = 2
});
graph.AddEdge(vertex3, vertex4, new LiveEdge()
{
Forward = true,
Tags = 3
});
graph.AddEdge(vertex4, vertex2, new LiveEdge()
{
Forward = true,
Tags = 4
});
graph.RemoveEdge(vertex2, vertex1);
graph.RemoveEdge(vertex2, vertex3);
graph.RemoveEdge(vertex4, vertex3);
graph.RemoveEdge(vertex4, vertex2);
Assert.IsFalse(graph.ContainsEdge(vertex2, vertex1));
Assert.IsFalse(graph.ContainsEdge(vertex2, vertex3));
Assert.IsFalse(graph.ContainsEdge(vertex4, vertex3));
Assert.IsFalse(graph.ContainsEdge(vertex4, vertex2));
}
}
public void TestLiveEdgeDynamicGraphRemoveBegin()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
var vertex3 = graph.AddVertex(51, 3);
var vertex4 = graph.AddVertex(51, 3);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = 1
}, null);
graph.AddEdge(vertex2, vertex3, new LiveEdge()
{
Forward = true,
Tags = 2
}, null);
graph.AddEdge(vertex3, vertex4, new LiveEdge()
{
Forward = true,
Tags = 3
}, null);
graph.AddEdge(vertex4, vertex2, new LiveEdge()
{
Forward = true,
Tags = 4
}, null);
graph.RemoveEdge(vertex2, vertex1);
Assert.IsFalse(graph.ContainsEdge(vertex2, vertex1));
Assert.IsFalse(graph.ContainsEdge(vertex1, vertex2));
Assert.AreEqual(graph.GetEdges(vertex1).Length, 0);
Assert.AreEqual(graph.GetEdges(vertex2).Length, 2);
Assert.AreEqual(graph.GetEdges(vertex3).Length, 2);
Assert.AreEqual(graph.GetEdges(vertex4).Length, 2);
}
}
public void TestLiveEdgeDynamicGraphCompressEdges()
{
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
var vertex1 = graph.AddVertex(51, 1);
var vertex2 = graph.AddVertex(51, 2);
var vertex3 = graph.AddVertex(51, 3);
var vertex4 = graph.AddVertex(51, 3);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = 1
}, null);
graph.AddEdge(vertex2, vertex3, new LiveEdge()
{
Forward = true,
Tags = 2
}, null);
graph.AddEdge(vertex3, vertex4, new LiveEdge()
{
Forward = true,
Tags = 3
}, null);
graph.AddEdge(vertex4, vertex2, new LiveEdge()
{
Forward = true,
Tags = 4
}, null);
graph.RemoveEdge(vertex2, vertex3);
graph.Compress();
Assert.IsFalse(graph.ContainsEdge(vertex2, vertex3));
Assert.IsFalse(graph.ContainsEdge(vertex3, vertex2));
Assert.AreEqual(graph.GetEdges(vertex1).Length, 1);
Assert.AreEqual(graph.GetEdges(vertex2).Length, 2);
Assert.AreEqual(graph.GetEdges(vertex3).Length, 1);
Assert.AreEqual(graph.GetEdges(vertex4).Length, 2);
}
using (var graph = new MemoryMappedFileDynamicGraph <LiveEdge>(1000, 1024))
{
uint vertex1 = graph.AddVertex(51, 1);
uint vertex2 = graph.AddVertex(51, 2);
uint vertex3 = graph.AddVertex(51, 3);
uint vertex4 = graph.AddVertex(51, 3);
graph.AddEdge(vertex1, vertex2, new LiveEdge()
{
Forward = true,
Tags = 1
}, null);
graph.AddEdge(vertex2, vertex3, new LiveEdge()
{
Forward = true,
Tags = 2
}, null);
graph.AddEdge(vertex3, vertex4, new LiveEdge()
{
Forward = true,
Tags = 3
}, null);
graph.AddEdge(vertex4, vertex2, new LiveEdge()
{
Forward = true,
Tags = 4
}, null);
graph.RemoveEdge(vertex3, vertex4);
graph.Compress();
Assert.IsFalse(graph.ContainsEdge(vertex3, vertex4));
Assert.IsFalse(graph.ContainsEdge(vertex4, vertex3));
Assert.AreEqual(graph.GetEdges(vertex1).Length, 1);
Assert.AreEqual(graph.GetEdges(vertex2).Length, 3);
Assert.AreEqual(graph.GetEdges(vertex3).Length, 1);
Assert.AreEqual(graph.GetEdges(vertex4).Length, 1);
LiveEdge edge;
Assert.IsTrue(graph.GetEdge(vertex1, vertex2, out edge));
Assert.AreEqual(1, edge.Tags);
Assert.IsTrue(graph.GetEdge(vertex2, vertex3, out edge));
Assert.AreEqual(2, edge.Tags);
Assert.IsTrue(graph.GetEdge(vertex4, vertex2, out edge));
Assert.AreEqual(4, edge.Tags);
}
}