@Test
public void testGetOther() {
Vertex v1 = new Vertex();
Vertex v2 = new Vertex();
Edge e = new Edge(v1, v2);
Vertex v3 = e.getOther(v1);
Assert.assertEquals(v2, v3);
}
@Test
public void testGetOhterFail() {
Vertex v1 = new Vertex();
Vertex v2 = new Vertex();
Vertex v3 = new Vertex();
Edge e = new Edge(v1, v2);
Vertex v4 = e.getOther(v3);
Assert.assertEquals(v4, null);
}
@Test
public void testMiddleOfTheEdge() {
Vertex v1 = new Vertex();
v1.setX(10);
v1.setY(20);
Vertex v2 = new Vertex();
v2.setX(50);
v2.setY(30);
Edge e = new Edge(v1, v2);
Point p = e.middleOfTheEdge();
Assert.assertEquals(p.getX(), (10 + 50) / 2, 0);
Assert.assertEquals(p.getY(), (20 + 30) / 2, 0);
}
boolean deepEquals(final Edge edge) {
boolean match = (edge.getNode1() == this.getNode1());
if (!match && edge.getNode1() != null) {
match = edge.getNode1().equals(this.getNode1());
}
if (match) {
match = (edge.getNode2() == this.getNode2());
if (!match && edge.getNode2() != null) {
match = edge.getNode2().equals(this.getNode2());
}
if (match) {
match = (edge.getEdgeObject() == this.getEdgeObject());
if (!match && edge.getEdgeObject() != null) {
match = edge.getEdgeObject().equals(this.getEdgeObject());
}
}
}
return match;
}