Package org.jfree.chart.util

Examples of org.jfree.chart.util.LogFormat

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     *
     * @since 1.0.7
     */
    public static TickUnitSource createLogTickUnits(Locale locale) {
        TickUnits units = new TickUnits();
        NumberFormat numberFormat = new LogFormat();
        units.add(new NumberTickUnit(0.05, numberFormat, 2));
        units.add(new NumberTickUnit(0.1, numberFormat, 10));
        units.add(new NumberTickUnit(0.2, numberFormat, 2));
        units.add(new NumberTickUnit(0.5, numberFormat, 5));
        units.add(new NumberTickUnit(1, numberFormat, 10));
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    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = new LogFormat(10.0, "10", true);
        assertEquals(f1, f2);

        f1 = new LogFormat(11.0, "10", true);
        assertFalse(f1.equals(f2));
        f2 = new LogFormat(11.0, "10", true);
        assertTrue(f1.equals(f2));

        f1 = new LogFormat(11.0, "11", true);
        assertFalse(f1.equals(f2));
        f2 = new LogFormat(11.0, "11", true);
        assertTrue(f1.equals(f2));

        f1 = new LogFormat(11.0, "11", false);
        assertFalse(f1.equals(f2));
        f2 = new LogFormat(11.0, "11", false);
        assertTrue(f1.equals(f2));

        f1.setExponentFormat(new DecimalFormat("0.000"));
        assertFalse(f1.equals(f2));
        f2.setExponentFormat(new DecimalFormat("0.000"));
        assertTrue(f1.equals(f2));
    }
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = new LogFormat(10.0, "10", true);
        assertTrue(f1.equals(f2));
        int h1 = f1.hashCode();
        int h2 = f2.hashCode();
        assertEquals(h1, h2);
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = null;
        try {
            f2 = (LogFormat) f1.clone();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertTrue(f1 != f2);
        assertTrue(f1.getClass() == f2.getClass());
        assertTrue(f1.equals(f2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(f1);
            out.close();
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    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = new LogFormat(10.0, "10", true);
        assertEquals(f1, f2);

        f1 = new LogFormat(11.0, "10", true);
        assertFalse(f1.equals(f2));
        f2 = new LogFormat(11.0, "10", true);
        assertTrue(f1.equals(f2));

        f1 = new LogFormat(11.0, "11", true);
        assertFalse(f1.equals(f2));
        f2 = new LogFormat(11.0, "11", true);
        assertTrue(f1.equals(f2));

        f1 = new LogFormat(11.0, "11", false);
        assertFalse(f1.equals(f2));
        f2 = new LogFormat(11.0, "11", false);
        assertTrue(f1.equals(f2));

        f1.setExponentFormat(new DecimalFormat("0.000"));
        assertFalse(f1.equals(f2));
        f2.setExponentFormat(new DecimalFormat("0.000"));
        assertTrue(f1.equals(f2));
    }
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = new LogFormat(10.0, "10", true);
        assertTrue(f1.equals(f2));
        int h1 = f1.hashCode();
        int h2 = f2.hashCode();
        assertEquals(h1, h2);
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = null;
        try {
            f2 = (LogFormat) f1.clone();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertTrue(f1 != f2);
        assertTrue(f1.getClass() == f2.getClass());
        assertTrue(f1.equals(f2));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        LogFormat f1 = new LogFormat(10.0, "10", true);
        LogFormat f2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(f1);
            out.close();
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     *
     * @since 1.0.7
     */
    public static TickUnitSource createLogTickUnits(Locale locale) {
        TickUnits units = new TickUnits();
        NumberFormat numberFormat = new LogFormat();
        units.add(new NumberTickUnit(0.05, numberFormat, 2));
        units.add(new NumberTickUnit(0.1, numberFormat, 10));
        units.add(new NumberTickUnit(0.2, numberFormat, 2));
        units.add(new NumberTickUnit(0.5, numberFormat, 5));
        units.add(new NumberTickUnit(1, numberFormat, 10));
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Related Classes of org.jfree.chart.util.LogFormat

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  • org.jfree.chart.axis.LogAxis
  • org.jfree.chart.util.junit.LogFormatTests
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