@Test
public void pointWithinChannel() {
DR = DataReader.use("equationTestNodes.txt", "equationTestEdges.txt");
DR.createNodeList();
Edge edge =
new Edge(
DR.getNodes().get(1), DR.getNodes().get(2), 0, "", 0, "0", "0", 0.1, 0, 0, 0, 0, true);
assertFalse(Equation.pointWithinChannel(-3.0, 4.0, edge));
assertTrue(Equation.pointWithinChannel(4.0, 5.0, edge));
}
@Test
public void distanceBetweenNodes() {
DR = DataReader.use("equationTestNodes.txt", "equationTestEdges.txt");
DR.createNodeList();
Node node1 = DR.getNodes().get(1);
Node node2 = DR.getNodes().get(2);
Node node5 = DR.getNodes().get(5);
assertEquals(5.0, Equation.distanceBetweenNodes(node1, node2), 0.001);
assertFalse(Math.abs(Equation.distanceBetweenNodes(node2, node5) - 5.0) < 0.001);
}
@Test
public void getNormalVector() {
DR = DataReader.use("equationTestNodes.txt", "equationTestEdges.txt");
DR.createNodeList();
Edge edge =
new Edge(
DR.getNodes().get(1), DR.getNodes().get(2), 0, "", 0, "0", "0", 0.1, 0, 0, 0, 0, true);
double[] expArr = new double[] {-3.0, 4.0};
double[] expArr2 = new double[] {-3.3, 4.1};
assertArrayEquals(expArr, Equation.getNormalVector(edge), 0.001);
assertFalse(Math.abs(expArr2[0] - Equation.getNormalVector(edge)[0]) < 0.001);
assertFalse(Math.abs(expArr2[1] - Equation.getNormalVector(edge)[1]) < 0.001);
}
@Test
public void nodesToVector() {
DR = DataReader.use("equationTestNodes.txt", "equationTestEdges.txt");
DR.createNodeList();
Node node5 = DR.getNodes().get(5);
Node node1 = DR.getNodes().get(1);
double[] expArr = new double[] {-3.0, 1.0};
assertArrayEquals(expArr, Equation.nodesToVector(node5, node1), 0.01);
Node node2 = DR.getNodes().get(2);
Node node3 = DR.getNodes().get(3);
double[] expArr2 = new double[] {4.3, 3.2};
assertFalse(Math.abs(expArr2[0] - Equation.nodesToVector(node2, node3)[0]) < 0.001);
assertFalse(Math.abs(expArr2[1] - Equation.nodesToVector(node2, node3)[1]) < 0.001);
}
@Test
public void distanceBetweenPointAndLine() {
DR = DataReader.use("equationTestNodes.txt", "equationTestEdges.txt");
DR.createNodeList();
Edge edge =
new Edge(
DR.getNodes().get(1), DR.getNodes().get(2), 0, "", 0, "0", "0", 0.1, 0, 0, 0, 0, true);
double x1 = 1.0;
double y1 = 7.5;
assertEquals(5.0, Equation.distanceBetweenPointAndLine(edge, x1, y1), 0.001);
double x2 = 1.0;
double y2 = 9.5;
assertFalse(Math.abs(Equation.distanceBetweenPointAndLine(edge, x2, y2) - 7.0) < 0.001);
}
@Test
public void edgeToVector() {
DR = DataReader.use("equationTestNodes.txt", "equationTestEdges.txt");
DR.createNodeList();
Edge edge1 =
new Edge(
DR.getNodes().get(1), DR.getNodes().get(2), 0, "", 0, "0", "0", 0.1, 0, 0, 0, 0, true);
Edge edge2 =
new Edge(
DR.getNodes().get(2), DR.getNodes().get(3), 0, "", 0, "0", "0", 0.1, 0, 0, 0, 0, true);
Edge edge3 =
new Edge(
DR.getNodes().get(3), DR.getNodes().get(4), 0, "", 0, "0", "0", 0.1, 0, 0, 0, 0, true);
double[] expArr1 = new double[] {4.0, 3.0};
double[] expArr2 = new double[] {-7.0, 1.0};
double[] expArr3 = new double[] {-2.0, -4.0};
assertArrayEquals(expArr1, Equation.edgeToVector(edge1), 0.001);
assertArrayEquals(expArr2, Equation.edgeToVector(edge2), 0.001);
assertArrayEquals(expArr3, Equation.edgeToVector(edge3), 0.001);
double[] expArr4 = new double[] {1.0, 3.1};
double[] expArr5 = new double[] {-7.5, 2.0};
double[] expArr6 = new double[] {2.0, -4.7};
assertFalse(Math.abs(expArr4[0] - Equation.edgeToVector(edge1)[0]) < 0.001);
assertFalse(Math.abs(expArr4[1] - Equation.edgeToVector(edge1)[1]) < 0.001);
assertFalse(Math.abs(expArr5[0] - Equation.edgeToVector(edge2)[0]) < 0.001);
assertFalse(Math.abs(expArr5[1] - Equation.edgeToVector(edge2)[1]) < 0.001);
assertFalse(Math.abs(expArr6[0] - Equation.edgeToVector(edge3)[0]) < 0.001);
assertFalse(Math.abs(expArr6[1] - Equation.edgeToVector(edge3)[1]) < 0.001);
}