public void UndirectedWeightedEdge_EqualsWithDifferentVertexOrderTest()
{
// Arrange.
const int expectedWeight = 2;
UndirectedWeightedEdge <Vertex> edge1;
UndirectedWeightedEdge <Vertex> edge2;
Vertex vertex1;
Vertex vertex2;
Vertex vertex3;
Vertex vertex4;
string expectedEdge1Vertex1Label = "My label a";
string expectedEdge1Vertex2Label = "My label b";
string expectedEdge2Vertex1Label = "My label b";
string expectedEdge2Vertex2Label = "My label a";
// Act.
vertex1 = new Vertex(expectedEdge1Vertex1Label);
vertex2 = new Vertex(expectedEdge1Vertex2Label);
vertex3 = new Vertex(expectedEdge2Vertex1Label);
vertex4 = new Vertex(expectedEdge2Vertex2Label);
edge1 = new UndirectedWeightedEdge <Vertex>(vertex1, vertex2, expectedWeight);
edge2 = new UndirectedWeightedEdge <Vertex>(vertex3, vertex4, expectedWeight);
// Assert.
Assert.AreNotSame(edge1, edge2);
Assert.AreEqual(edge1, edge2);
Assert.IsTrue(edge1 == edge2);
Assert.IsFalse(edge1 != edge2);
}
public void UndirectedWeightedEdge_IsSelfLoopTest()
{
// Arrange.
const int expectedWeight = 2;
UndirectedWeightedEdge <Vertex> edge;
Vertex vertex1;
Vertex vertex2;
string expectedVertex1Label = "My label 1";
// Act.
vertex1 = new Vertex(expectedVertex1Label);
vertex2 = vertex1;
edge = new UndirectedWeightedEdge <Vertex>(vertex1, vertex2, expectedWeight);
// Assert.
Assert.IsTrue(edge.IsSelfLoop);
}
public void UndirectedWeightedEdge_InitializationWithValuesTest()
{
// Arrange.
const int expectedWeight = 2;
UndirectedWeightedEdge <Vertex> edge;
Vertex vertex1;
Vertex vertex2;
string expectedVertex1Label = "My label 1";
string expectedVertex2Label = "My label 2";
// Act.
vertex1 = new Vertex(expectedVertex1Label);
vertex2 = new Vertex(expectedVertex2Label);
edge = new UndirectedWeightedEdge <Vertex>(vertex1, vertex2, expectedWeight);
// Assert.
Assert.IsNotNull(edge.Vertex1);
Assert.AreSame(vertex1, edge.Vertex1);
Assert.IsNotNull(edge.Vertex2);
Assert.AreSame(vertex2, edge.Vertex2);
Assert.AreEqual(expectedWeight, edge.Weight);
}
