public void TestAddVertex_WithExistingID()
{
GraphWirth a = new GraphWirth();
bool expected = false;
a.AddVertex(15);
bool actual = a.AddVertex(15);
Assert.AreEqual(expected, actual, "Vertex with this key is already exists.");
}
public void TestDeleteVertex()
{
GraphWirth a = new GraphWirth();
bool expected = true;
a.AddVertex(15, 20);
a.AddVertex(20);
bool actual = a.DeleteVertex(15);
Assert.AreEqual(expected, actual, "Unable to delete vertex.");
}
public void TestDeleteVertex_FirstOfMany()
{
GraphWirth a = new GraphWirth();
bool expected = true;
a.AddVertex(10);
a.AddVertex(100);
a.AddVertex(1000);
bool actual = a.DeleteVertex(1);
Assert.AreEqual(expected, actual, "Error deleting first vertex.");
}
public void TestDeleteVertex_LastVertex()
{
GraphWirth a = new GraphWirth();
bool expected = true;
a.AddVertex(10);
a.AddVertex(100);
a.AddVertex(15, 1000);
bool actual = a.DeleteVertex(15);
Assert.AreEqual(expected, actual, "Error deleting last vertex.");
}
public void TestAddVertex()
{
GraphWirth a = new GraphWirth();
bool expected = true;
bool actual = a.AddVertex(15);
Assert.AreEqual(expected, actual, "Error adding vertex.");
}
public void TestAddDirectEdge()
{
GraphWirth a = new GraphWirth();
bool expected = true;
a.AddVertex(0);
bool actual = a.AddDirectEdge(1, 2, 0);
Assert.AreEqual(expected, actual, "Error adding direct edge.");
}
public void TestDeleteUndirectEdge_ToFrom()
{
GraphWirth a = new GraphWirth();
bool expected = true;
a.AddVertex(0);
a.AddDirectEdge(1, 2, 0);
bool actual = a.DeleteDirectEdge(2, 1);
Assert.AreEqual(expected, actual, "Error deleting undirect edge.");
}
public void TestDeleteDirectEdge_ToFrom()
{
GraphWirth a = new GraphWirth();
bool expected = false;
a.AddVertex(0);
a.AddDirectEdge(1, 2, 0);
bool actual = a.DeleteDirectEdge(2, 1);
Assert.AreEqual(expected, actual, "Incorrect order of vertexes while deleting direct edge.");
}
public void AddVertex(string info = "")
{
graph.AddVertex(vertexes.Count + 1, info);
VisualiseGraph();
}