/** Confirm that cloning works. */
@Test
public void testCloning() throws CloneNotSupportedException {
TextTitle t = new TextTitle("Title");
XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
XYTitleAnnotation a2 = (XYTitleAnnotation) a1.clone();
assertNotSame(a1, a2);
assertSame(a1.getClass(), a2.getClass());
assertEquals(a1, a2);
}
/** Two objects that are equal are required to return the same hashCode. */
@Test
public void testHashCode() {
TextTitle t = new TextTitle("Title");
XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
XYTitleAnnotation a2 = new XYTitleAnnotation(1.0, 2.0, t);
assertEquals(a1, a2);
int h1 = a1.hashCode();
int h2 = a2.hashCode();
assertEquals(h1, h2);
}
/** Confirm that the equals method can distinguish all the required fields. */
@Test
public void testEquals() {
TextTitle t = new TextTitle("Title");
XYTitleAnnotation a1 = new XYTitleAnnotation(1.0, 2.0, t);
XYTitleAnnotation a2 = new XYTitleAnnotation(1.0, 2.0, t);
assertEquals(a1, a2);
a1 = new XYTitleAnnotation(1.1, 2.0, t);
assertFalse(a1.equals(a2));
a2 = new XYTitleAnnotation(1.1, 2.0, t);
assertEquals(a1, a2);
a1 = new XYTitleAnnotation(1.1, 2.2, t);
assertFalse(a1.equals(a2));
a2 = new XYTitleAnnotation(1.1, 2.2, t);
assertEquals(a1, a2);
TextTitle t2 = new TextTitle("Title 2");
a1 = new XYTitleAnnotation(1.1, 2.2, t2);
assertFalse(a1.equals(a2));
a2 = new XYTitleAnnotation(1.1, 2.2, t2);
assertEquals(a1, a2);
}