public void TestDeleteVertex_NotExistant()
{
GraphWirth a = new GraphWirth();
bool expected = false;
bool actual = a.DeleteVertex(15);
Assert.AreEqual(expected, actual, "Non-existant vertex can not be deleated.");
}
public void TestDeleteVertex_LastOfTwo()
{
GraphWirth a = new GraphWirth();
bool expected = true;
a.AddVertex(15, 1000);
bool actual = a.DeleteVertex(15);
Assert.AreEqual(expected, actual, "Error deleting last of two vertexes.");
}
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.");
}