Examples of org.jfree.data.DefaultKeyedValues2D

org.jfree.data.DefaultKeyedValues2D
A data structure that stores zero, one or many values, where each value is associated with two keys (a 'row' key and a 'column' key). The keys should be (a) instances of {@link Comparable} and (b) immutable.


    /**
     * Some basic checks for the getRowCount() method.
     */
    public void testRowCount() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        assertEquals(0, d.getRowCount());
        d.addValue(new Double(1.0), "R1", "C1");
        assertEquals(1, d.getRowCount());
        d.addValue(new Double(2.0), "R2", "C1");
        assertEquals(2, d.getRowCount());
    }

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    /**
     * Some basic checks for the getColumnCount() method.
     */
    public void testColumnCount() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        assertEquals(0, d.getColumnCount());
        d.addValue(new Double(1.0), "R1", "C1");
        assertEquals(1, d.getColumnCount());
        d.addValue(new Double(2.0), "R1", "C2");
        assertEquals(2, d.getColumnCount());
    }

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    /**
     * Some basic checks for the getValue(int, int) method.
     */
    public void testGetValue2() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        boolean pass = false;
        try {
            d.getValue(0, 0);
        }
        catch (IndexOutOfBoundsException e) {
            pass = true;
        }
        assertTrue(pass);
        d.addValue(new Double(1.0), "R1", "C1");
        assertEquals(1.0, d.getValue(0, 0).doubleValue(), EPSILON);
        d.addValue(new Double(2.0), "R2", "C2");
        assertEquals(2.0, d.getValue(1, 1).doubleValue(), EPSILON);
        assertNull(d.getValue(1, 0));
        assertNull(d.getValue(0, 1));


        pass = false;
        try {
            d.getValue(2, 0);
        }
        catch (IndexOutOfBoundsException e) {
            pass = true;
        }
        assertTrue(pass);

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    /**
     * Some basic checks for the getRowKey() method.
     */
    public void testGetRowKey() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        boolean pass = false;
        try {
            d.getRowKey(0);
        }
        catch (IndexOutOfBoundsException e) {
            pass = true;
        }
        assertTrue(pass);
        d.addValue(new Double(1.0), "R1", "C1");
        d.addValue(new Double(1.0), "R2", "C1");
        assertEquals("R1", d.getRowKey(0));
        assertEquals("R2", d.getRowKey(1));


        // check sorted rows
        d = new DefaultKeyedValues2D(true);
        d.addValue(new Double(1.0), "R1", "C1");
        assertEquals("R1", d.getRowKey(0));
        d.addValue(new Double(0.0), "R0", "C1");
        assertEquals("R0", d.getRowKey(0));
        assertEquals("R1", d.getRowKey(1));
    }

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    /**
     * Some basic checks for the getColumnKey() method.
     */
    public void testGetColumnKey() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        boolean pass = false;
        try {
            d.getColumnKey(0);
        }
        catch (IndexOutOfBoundsException e) {
            pass = true;
        }
        assertTrue(pass);
        d.addValue(new Double(1.0), "R1", "C1");
        d.addValue(new Double(1.0), "R1", "C2");
        assertEquals("C1", d.getColumnKey(0));
        assertEquals("C2", d.getColumnKey(1));
    }

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    /**
     * Some basic checks for the removeValue() method.
     */
    public void testRemoveValue() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        d.removeValue("R1", "C1");
        d.addValue(new Double(1.0), "R1", "C1");
        d.removeValue("R1", "C1");
        assertEquals(0, d.getRowCount());
        assertEquals(0, d.getColumnCount());


        d.addValue(new Double(1.0), "R1", "C1");
        d.addValue(new Double(2.0), "R2", "C1");
        d.removeValue("R1", "C1");
        assertEquals(new Double(2.0), d.getValue(0, 0));
    }

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    /**
     * A test for bug 1690654.
     */
    public void testRemoveValueBug1690654() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        d.addValue(new Double(1.0), "R1", "C1");
        d.addValue(new Double(2.0), "R2", "C2");
        assertEquals(2, d.getColumnCount());
        assertEquals(2, d.getRowCount());
        d.removeValue("R2", "C2");
        assertEquals(1, d.getColumnCount());
        assertEquals(1, d.getRowCount());
        assertEquals(new Double(1.0), d.getValue(0, 0));
    }

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    /**
     * Some checks for the getValue() method.
     */
    public void testGetValue() {
        DefaultKeyedValues2D d = new DefaultKeyedValues2D();
        d.addValue(new Double(1.0), "R1", "C1");
        assertEquals(new Double(1.0), d.getValue("R1", "C1"));
        boolean pass = false;
        try {
            d.getValue("XX", "C1");
        }
        catch (UnknownKeyException e) {
            pass = true;
        }
        assertTrue(pass);


        pass = false;
        try {
            d.getValue("R1", "XX");
        }
        catch (UnknownKeyException e) {
            pass = true;
        }
        assertTrue(pass);

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    /**
     * Some checks for the clone() method.
     */
    public void testCloning() {
        DefaultKeyedValues2D v1 = new DefaultKeyedValues2D();
        v1.setValue(new Integer(1), "V1", "C1");
        v1.setValue(null, "V2", "C1");
        v1.setValue(new Integer(3), "V3", "C2");
        DefaultKeyedValues2D v2 = null;
        try {
            v2 = (DefaultKeyedValues2D) v1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(v1 != v2);
        assertTrue(v1.getClass() == v2.getClass());
        assertTrue(v1.equals(v2));


        // check that clone is independent of the original
        v2.setValue(new Integer(2), "V2", "C1");
        assertFalse(v1.equals(v2));
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        DefaultKeyedValues2D kv2D1 = new DefaultKeyedValues2D();
        kv2D1.addValue(new Double(234.2), "Row1", "Col1");
        kv2D1.addValue(null, "Row1", "Col2");
        kv2D1.addValue(new Double(345.9), "Row2", "Col1");
        kv2D1.addValue(new Double(452.7), "Row2", "Col2");


        DefaultKeyedValues2D kv2D2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(kv2D1);

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