/** Test method to check if accessor for gCost is set correctly for both constructors */
@Test
public void testGetGCost() {
PathNode nodeTest = new PathNode(coords1, node2, coords3, 10);
assertEquals(10, nodeTest.getGCost());
PathNode nodeTest2 = new PathNode(coords1, coords2);
assertEquals(0, nodeTest2.getGCost());
}
/** Test method to check for the manhattan distance between two coordinates. */
@Test
public void testManhattanDistance() {
assertEquals(
"Return the manhattan distance, should return 3",
3,
PathNode.manhattanDistance(coords1, coords2));
}
/** Accessor method test for parent node of a PathNode */
@Test
public void testGetParent() {
PathNode nodeTest = new PathNode(coords1, node2, coords3, 2);
assertEquals("Check parent node is set correctly", node2, nodeTest.getParent());
}
/** Check accessor method for position: */
@Test
public void testGetPosition() {
assertEquals("Check position accessor method works:", coords1, node1.getPosition());
}
/** Method to test getFCost accessor method, which returns the sum of gCost & hCost. */
@Test
public void testGetFCost() {
PathNode nodeTest = new PathNode(coords1, node2, coords3, 10);
int fCost = PathNode.manhattanDistance(coords1, coords3) + 10;
assertEquals("gCost + hCost = fCost", fCost, nodeTest.getFCost());
}
/** Test method for checking if the accessor for hCost is set correctly: */
@Test
public void testGetHCost() {
assertEquals("Check H cost returns and is correct", 3, node1.getHCost());
}