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 Equals_WithNull_ReturnsFalse()
{
// Arrange
var edge1 = new Aca.Model.Edge();
// Act
var result = edge1 == null;
// Assert
Assert.False(result);
}
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_WithTwoNewNodes_IncGraphSizeBy2()
{
// Arrange
var graph = new Aca.Model.Graph();
var edge = new Aca.Model.Edge
{
Origin = new Aca.Model.Node(),
Destination = new Aca.Model.Node()
};
var count = graph.Size;
// Act
graph.AddEdge(edge);
// Assert
Assert.IsTrue(graph.Size == count + 2);
}
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 RemoveEdge_NotDecGraphSize()
{
// Arrange
var graph = new Aca.Model.Graph();
var edge = new Aca.Model.Edge
{
Origin = new Aca.Model.Node(),
Destination = new Aca.Model.Node()
};
graph.AddEdge(edge);
var count = graph.Size;
// Act
graph.RemoveEdge(edge);
// Assert
Assert.IsTrue(graph.Size == count);
}
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);
}
public void Equals_WithTheSameOriginAndDest_ReturnsTrue()
{
// Arrange
var node1 = new Aca.Model.Node();
var node2 = new Aca.Model.Node();
var edge1 = new Aca.Model.Edge
{
Origin = node1,
Destination = node2
};
var edge2 = new Aca.Model.Edge
{
Origin = node1,
Destination = node2
};
// Act
var result = edge1.Equals(edge2);
// Assert
Assert.True(result);
}
