/** Two objects that are equal are required to return the same hashCode. */
public void testHashCode() {
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = new StandardDialScale();
assertTrue(s1.equals(s2));
int h1 = s1.hashCode();
int h2 = s2.hashCode();
assertEquals(h1, h2);
}
/** Serialize an instance, restore it, and check for equality. */
@Test
public void testSerialization() {
// try a default instance
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = (StandardDialScale) TestUtilities.serialised(s1);
assertEquals(s1, s2);
// try a customised instance
s1 = new StandardDialScale();
s1.setExtent(123.4);
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.white));
s1.setMajorTickStroke(new BasicStroke(2.0f));
s2 = (StandardDialScale) TestUtilities.serialised(s1);
assertEquals(s1, s2);
}
/** Some checks for the angleToValue() method. */
public void testAngleToValue() {
StandardDialScale s = new StandardDialScale();
assertEquals(0.0, s.angleToValue(175.0), EPSILON);
assertEquals(50.0, s.angleToValue(90.0), EPSILON);
assertEquals(100.0, s.angleToValue(5.0), EPSILON);
assertEquals(-10.0, s.angleToValue(192.0), EPSILON);
assertEquals(110.0, s.angleToValue(-12.0), EPSILON);
s = new StandardDialScale(0, 20, 180, -180.0, 10, 3);
assertEquals(0.0, s.angleToValue(180.0), EPSILON);
assertEquals(10.0, s.angleToValue(90.0), EPSILON);
assertEquals(20.0, s.angleToValue(0.0), EPSILON);
}
/** Serialize an instance, restore it, and check for equality. */
public void testSerialization() {
// try a default instance
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
s2 = (StandardDialScale) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(s1, s2);
// try a customised instance
s1 = new StandardDialScale();
s1.setExtent(123.4);
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.white));
s1.setMajorTickStroke(new BasicStroke(2.0f));
s2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
s2 = (StandardDialScale) in.readObject();
in.close();
} catch (Exception e) {
e.printStackTrace();
}
assertEquals(s1, s2);
}
/** Confirm that the equals method can distinguish all the required fields. */
public void testEquals() {
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = new StandardDialScale();
assertTrue(s1.equals(s2));
// lowerBound
s1 = new StandardDialScale(10.0, 100.0, 0.0, 270.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 100.0, 0.0, 270.0, 10.0, 4);
assertTrue(s1.equals(s2));
// upperBound
s1 = new StandardDialScale(10.0, 200.0, 0.0, 270.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 200.0, 0.0, 270.0, 10.0, 4);
assertTrue(s1.equals(s2));
// startAngle
s1 = new StandardDialScale(10.0, 200.0, 20.0, 270.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 200.0, 20.0, 270.0, 10.0, 4);
assertTrue(s1.equals(s2));
// extent
s1 = new StandardDialScale(10.0, 200.0, 20.0, 99.0, 10.0, 4);
assertFalse(s1.equals(s2));
s2 = new StandardDialScale(10.0, 200.0, 20.0, 99.0, 10.0, 4);
assertTrue(s1.equals(s2));
// tickRadius
s1.setTickRadius(0.99);
assertFalse(s1.equals(s2));
s2.setTickRadius(0.99);
assertTrue(s1.equals(s2));
// majorTickIncrement
s1.setMajorTickIncrement(11.1);
assertFalse(s1.equals(s2));
s2.setMajorTickIncrement(11.1);
assertTrue(s1.equals(s2));
// majorTickLength
s1.setMajorTickLength(0.09);
assertFalse(s1.equals(s2));
s2.setMajorTickLength(0.09);
assertTrue(s1.equals(s2));
// majorTickPaint
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow));
assertFalse(s1.equals(s2));
s2.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow));
assertTrue(s1.equals(s2));
// majorTickStroke
s1.setMajorTickStroke(new BasicStroke(1.1f));
assertFalse(s1.equals(s2));
s2.setMajorTickStroke(new BasicStroke(1.1f));
assertTrue(s1.equals(s2));
// minorTickCount
s1.setMinorTickCount(7);
assertFalse(s1.equals(s2));
s2.setMinorTickCount(7);
assertTrue(s1.equals(s2));
// minorTickLength
s1.setMinorTickLength(0.09);
assertFalse(s1.equals(s2));
s2.setMinorTickLength(0.09);
assertTrue(s1.equals(s2));
// tickLabelOffset
s1.setTickLabelOffset(0.11);
assertFalse(s1.equals(s2));
s2.setTickLabelOffset(0.11);
assertTrue(s1.equals(s2));
// tickLabelFont
s1.setTickLabelFont(new Font("Dialog", Font.PLAIN, 15));
assertFalse(s1.equals(s2));
s2.setTickLabelFont(new Font("Dialog", Font.PLAIN, 15));
assertTrue(s1.equals(s2));
// tickLabelPaint
s1.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.white, 3.0f, 4.0f, Color.green));
assertFalse(s1.equals(s2));
s2.setTickLabelPaint(new GradientPaint(1.0f, 2.0f, Color.white, 3.0f, 4.0f, Color.green));
assertTrue(s1.equals(s2));
s1.setTickLabelsVisible(false);
assertFalse(s1.equals(s2));
s2.setTickLabelsVisible(false);
assertTrue(s1.equals(s2));
// check an inherited attribute
s1.setVisible(false);
assertFalse(s1.equals(s2));
s2.setVisible(false);
assertTrue(s1.equals(s2));
}
/** Confirm that cloning works. */
public void testCloning() {
// try a default instance
StandardDialScale s1 = new StandardDialScale();
StandardDialScale s2 = null;
try {
s2 = (StandardDialScale) s1.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(s1 != s2);
assertTrue(s1.getClass() == s2.getClass());
assertTrue(s1.equals(s2));
// try a customised instance
s1 = new StandardDialScale();
s1.setExtent(123.4);
s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.white));
s1.setMajorTickStroke(new BasicStroke(2.0f));
s2 = null;
try {
s2 = (StandardDialScale) s1.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(s1 != s2);
assertTrue(s1.getClass() == s2.getClass());
assertTrue(s1.equals(s2));
// check that the listener lists are independent
MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
s1.addChangeListener(l1);
assertTrue(s1.hasListener(l1));
assertFalse(s2.hasListener(l1));
}