Examples of org.jfree.data.xy.XYSeries.update()

org.jfree.data.xy.XYSeries.update()
Updates the value of an item in the series and sends a {@link SeriesChangeEvent} to all registered listeners. @param index the item (zero based index). @param y the new value (null permitted). @deprecated Renamed {@link #updateByIndex(int,Number)} to avoid confusionwith the {@link #update(Number,Number)} method.

        s1.add(1.0, Double.NaN);


        assertTrue(Double.isNaN(s1.getMinY()));
        assertTrue(Double.isNaN(s1.getMaxY()));


        s1.update(new Double(1.0), new Double(1.0));
        assertEquals(1.0, s1.getMinY(), EPSILON);
        assertEquals(1.0, s1.getMaxY(), EPSILON);


        s1.update(new Double(1.0), new Double(2.0));
        assertEquals(2.0, s1.getMinY(), EPSILON);

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        s1.update(new Double(1.0), new Double(1.0));
        assertEquals(1.0, s1.getMinY(), EPSILON);
        assertEquals(1.0, s1.getMaxY(), EPSILON);


        s1.update(new Double(1.0), new Double(2.0));
        assertEquals(2.0, s1.getMinY(), EPSILON);
        assertEquals(2.0, s1.getMaxY(), EPSILON);
    }


}

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     */
    public void testUpdate() {
        XYSeries series = new XYSeries("S1");
        series.add(new Integer(1), new Integer(2));
        assertEquals(new Integer(2), series.getY(0));
        series.update(new Integer(1), new Integer(3));
        assertEquals(new Integer(3), series.getY(0));
        try {
            series.update(new Integer(2), new Integer(99));
            assertTrue(false);
        }

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        series.add(new Integer(1), new Integer(2));
        assertEquals(new Integer(2), series.getY(0));
        series.update(new Integer(1), new Integer(3));
        assertEquals(new Integer(3), series.getY(0));
        try {
            series.update(new Integer(2), new Integer(99));
            assertTrue(false);
        }
        catch (SeriesException e) {
            // got the required exception
        }

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    public void testUpdate2() {
       XYSeries series = new XYSeries("Series", false, true);
       series.add(5.0, 55.0);
       series.add(4.0, 44.0);
       series.add(6.0, 66.0);
       series.update(new Double(4.0), new Double(99.0));
       assertEquals(new Double(99.0), series.getY(1));
    }


    /**
     * Some checks for the addOrUpdate() method.

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     */
    public void testUpdate() {
        XYSeries series = new XYSeries("S1");
        series.add(new Integer(1), new Integer(2));
        assertEquals(new Integer(2), series.getY(0));
        series.update(new Integer(1), new Integer(3));
        assertEquals(new Integer(3), series.getY(0));
        try {
            series.update(new Integer(2), new Integer(99));
            assertTrue(false);
        }

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        series.add(new Integer(1), new Integer(2));
        assertEquals(new Integer(2), series.getY(0));
        series.update(new Integer(1), new Integer(3));
        assertEquals(new Integer(3), series.getY(0));
        try {
            series.update(new Integer(2), new Integer(99));
            assertTrue(false);
        }
        catch (SeriesException e) {
            // got the required exception
        }

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    public void testUpdate2() {
       XYSeries series = new XYSeries("Series", false, true);
       series.add(5.0, 55.0);
       series.add(4.0, 44.0);
       series.add(6.0, 66.0);
       series.update(new Double(4.0), new Double(99.0));
       assertEquals(new Double(99.0), series.getY(1));
    }


    /**
     * Some checks for the addOrUpdate() method.

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        s1.add(1.0, Double.NaN);


        assertTrue(Double.isNaN(s1.getMinY()));
        assertTrue(Double.isNaN(s1.getMaxY()));


        s1.update(new Double(1.0), new Double(1.0));
        assertEquals(1.0, s1.getMinY(), EPSILON);
        assertEquals(1.0, s1.getMaxY(), EPSILON);


        s1.update(new Double(1.0), new Double(2.0));
        assertEquals(2.0, s1.getMinY(), EPSILON);

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        s1.update(new Double(1.0), new Double(1.0));
        assertEquals(1.0, s1.getMinY(), EPSILON);
        assertEquals(1.0, s1.getMaxY(), EPSILON);


        s1.update(new Double(1.0), new Double(2.0));
        assertEquals(2.0, s1.getMinY(), EPSILON);
        assertEquals(2.0, s1.getMaxY(), EPSILON);
    }


}

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