public void AddEdge_AlreadyAdded_ThrowsException()
{
// Arrange
var node1 = new Aca.Model.Node();
var node2 = new Aca.Model.Node();
var edge1 = new Aca.Model.Edge
{
Origin = node1,
Destination = node2
};
node1.AddEdge(edge1);
var edge2 = new Aca.Model.Edge
{
Origin = node1,
Destination = node2
};
// Act
var ex = Assert.Catch <ArgumentException>(() => node1.AddEdge(edge2));
//Assert
StringAssert.Contains("уже добавлено", ex.Message);
}
public void AddEdge_WithOriginInOtherNode_ThrowsException()
{
// Arrange
var node1 = new Aca.Model.Node();
var edge = new Aca.Model.Edge
{
Origin = new Aca.Model.Node(),
Destination = new Aca.Model.Node()
};
// Act
var ex = Assert.Catch <ArgumentException>(() => node1.AddEdge(edge));
// Assert
StringAssert.Contains("не начинается в текущем узле", ex.Message);
}
public void AddEdge_AddValidEdge_ContainsInAdjacentNodes()
{
// Arrange
var node1 = new Aca.Model.Node();
var node2 = new Aca.Model.Node();
var edge1 = new Aca.Model.Edge
{
Origin = node1,
Destination = node2
};
// Act
node1.AddEdge(edge1);
// Assert
Assert.True(node1.AdjacentNodes.Contains(node2));
}
public void AddEdge_AddValidEdge_IncCostsCountBy1()
{
// Arrange
var node1 = new Aca.Model.Node();
var node2 = new Aca.Model.Node();
var edge1 = new Aca.Model.Edge
{
Origin = node1,
Destination = node2
};
var count = node1.Costs.Count;
// Act
node1.AddEdge(edge1);
// Assert
Assert.True(node1.Costs.Count == count + 1);
}
