Method testGetExactCenter

src/test/java/mudmap2/backend/LayerTest.java:235–268

Test getExactCenter

()

     * Test getExactCenter
     */
    @Test
    public void testGetExactCenter(){
        System.out.println("getExactCenter");

        Layer instance = new Layer(world);

        // no places in layer
        Pair<Double, Double> center1 = instance.getExactCenter();
        assertNotNull(center1);
        assertEquals((Double) 0.0, center1.first);
        assertEquals((Double) 0.0, center1.second);

        // two places in layer
        int x1 = 3, x2 = -6;
        int y1 = 5, y2 = -1;

        try {
            instance.put(new Place("MyPlace", x1, y1, instance));
            instance.put(new Place("MyPlace", x2, y2, instance));

            Double expResultX = -1.5;
            Double expResultY = 2.0;

            Pair<Double, Double> center2 = instance.getExactCenter();
            assertNotNull(center2);

            assertEquals(expResultX, center2.first);
            assertEquals(expResultY, center2.second);

        } catch (Layer.PlaceNotInsertedException ex) {
            Logger.getLogger(LayerTest.class.getName()).log(Level.SEVERE, null, ex);
            fail(ex.getMessage());
        }
    }

    /**
     * Test of getXMin method, of class Layer.