/** Tests immutability (by modifying arrays) */
@Test
public void testImmutability2() {
int[] coords = new int[] {1, 2, 3};
int[] clonedCoords = coords.clone();
GridCoordinates gc = new GridCoordinatesImpl(coords);
// Modify the input array, verify that dp returns same value
coords[1] = 6;
int[] gcCoords = gc.getCoordinateValues();
assertTrue(Arrays.equals(gcCoords, clonedCoords));
// Modify the output array, verify that dp returns same value
gcCoords[0] = 12;
assertTrue(Arrays.equals(gc.getCoordinateValues(), clonedCoords));
}
/**
* Tests immutability (by modifying arrays). This time we test the other constructor of
* DirectPositionImpl.
*/
@Test
public void testImmutability3() {
int[] otherCoords = new int[] {2, 3};
int[] refCoords = new int[] {1, 2, 3};
GridCoordinates gc = new GridCoordinatesImpl(1, otherCoords);
// Modify the input array, verify that dp returns same value
otherCoords[1] = 6;
int[] gcCoords = gc.getCoordinateValues();
assertTrue(Arrays.equals(gcCoords, refCoords));
// Modify the output array, verify that dp returns same value
gcCoords[0] = 12;
assertTrue(Arrays.equals(gc.getCoordinateValues(), refCoords));
}
/** Tests immutability (1) */
@Test(expected = UnsupportedOperationException.class)
public void testImmutability1() {
GridCoordinates gc = new GridCoordinatesImpl(5, 6, 7, 8);
gc.setCoordinateValue(1, 4);
}
/** Tests hashCode() method */
@Test
public void testHashCode() {
GridCoordinates gc = new GridCoordinatesImpl(5, 6, 7, 8);
// Hash code of gc is the hash code of its coordinate array
assertTrue(gc.hashCode() == Arrays.hashCode(new int[] {5, 6, 7, 8}));
}
private static void testNormalConstructionHelper(GridCoordinates gc) {
assertTrue(gc.getDimension() == 3);
assertEquals(gc.getCoordinateValue(0), 2);
assertEquals(gc.getCoordinateValue(1), 3);
assertEquals(gc.getCoordinateValue(2), 4);
}