rendererutilitiestests.java

JFreeChart它主要是用来制作各种各样的图表

        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 2, 1.1,
                2.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 2, 2.2,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 2, 3.3,
                4.0));

        // check a series with three items
        d.addSeries("S4", new double[][] {{3.0, 2.0, 1.0}, {2.0, 2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsLowerBound(d, 3, 0.0,
                1.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 3, 1.0,
                2.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 3, 2.0,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 3, 3.0,
                4.0));

        // check a series with four items
        d.addSeries("S5", new double[][] {{4.0, 3.0, 2.0, 1.0}, {2.0, 2.0,
                2.0, 2.0}});
        assertEquals(3, RendererUtilities.findLiveItemsLowerBound(d, 4, 0.1,
                0.5));
        assertEquals(2, RendererUtilities.findLiveItemsLowerBound(d, 4, 0.1,
                1.0));
        assertEquals(1, RendererUtilities.findLiveItemsLowerBound(d, 4, 1.1,
                2.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 4, 2.2,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 4, 3.3,
                4.0));
        assertEquals(0, RendererUtilities.findLiveItemsLowerBound(d, 4, 4.4,
                5.0));
    }

    /**
     * Some checks for the findLiveItemsUpperBound() method when the dataset is
     * unordered.
     */
    public void testFindLiveItemsUpperBoundUnordered() {
        DefaultXYDataset d = new DefaultXYDataset();

        // check a series with no items
        d.addSeries("S1", new double[][] {{}, {}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 0, 10.0,
                11.0));

        // check a series with one item
        d.addSeries("S2", new double[][] {{1.0}, {2.0}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 0.0,
                1.1));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 2.0,
                3.3));

        // check a series with two items
        d.addSeries("S3", new double[][] {{1.0, 2.0}, {2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 0.0,
                1.1));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 1.0,
                2.2));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 2.0,
                3.3));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 3.0,
                4.4));

        // check a series with three items
        d.addSeries("S4", new double[][] {{1.0, 2.0, 1.5}, {2.0, 2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 3, 0.0,
                1.1));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 1.0,
                2.2));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 2.0,
                3.3));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 3.0,
                4.4));

        // check a series with four items
        d.addSeries("S5", new double[][] {{1.0, 2.0, 1.5, 1.8}, {2.0, 2.0,
                2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.0,
                1.1));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 1.0,
                2.2));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 2.0,
                3.3));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 3.0,
                4.4));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 4.0,
                5.5));
    }

    /**
     * Some checks for the findLiveItemsUpperBound() method when the dataset is
     * ASCENDING.
     */
    public void testFindLiveItemsUpperBoundAscending() {
        DefaultXYDataset d = new DefaultXYDataset() {
            public DomainOrder getDomainOrder() {
                // we're doing this for testing only, and make sure that we
                // only add data in ascending order by x-value
                return DomainOrder.ASCENDING;
            }
        };
        // check a series with no items
        d.addSeries("S1", new double[][] {{}, {}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 0, 10.0,
                11.1));

        // check a series with one item
        d.addSeries("S2", new double[][] {{1.0}, {2.0}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 0.0,
                1.1));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 2.0,
                2.2));

        // check a series with two items
        d.addSeries("S3", new double[][] {{1.0, 2.0}, {2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 0.0,
                1.0));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 1.0,
                2.2));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 2.0,
                3.3));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 3.0,
                4.4));

        // check a series with three items
        d.addSeries("S4", new double[][] {{1.0, 2.0, 3.0}, {2.0, 2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 3, 0.0,
                1.1));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 1.0,
                2.2));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 2.0,
                3.3));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 3.0,
                4.4));

        // check a series with four items
        d.addSeries("S5", new double[][] {{1.0, 2.0, 3.0, 4.0}, {2.0, 2.0,
                2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.0,
                1.1));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 4, 1.0,
                2.2));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 2.0,
                3.3));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 3.0,
                4.4));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 4.0,
                5.5));

    }

    /**
     * Some checks for the findLiveItemsUpperBound() method when the dataset is
     * DESCENDING.
     */
    public void testFindLiveItemsUpperBoundDescending() {
        DefaultXYDataset d = new DefaultXYDataset() {
            public DomainOrder getDomainOrder() {
                // we're doing this for testing only, and make sure that we
                // only add data in ascending order by x-value
                return DomainOrder.DESCENDING;
            }
        };
        // check a series with no items
        d.addSeries("S1", new double[][] {{}, {}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 0, 10.0,
                11.0));

        // check a series with one item
        d.addSeries("S2", new double[][] {{1.0}, {2.0}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 0.0,
                1.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 1.1,
                2.0));

        // check a series with two items
        d.addSeries("S3", new double[][] {{2.0, 1.0}, {2.0, 2.0}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 0.1,
                0.5));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 0.1,
                1.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 2, 1.1,
                2.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 2, 2.2,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 2, 3.3,
                4.0));

        // check a series with three items
        d.addSeries("S4", new double[][] {{3.0, 2.0, 1.0}, {2.0, 2.0, 2.0}});
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 0.0,
                1.0));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 1.0,
                2.0));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 3, 2.0,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 3, 3.0,
                4.0));

        // check a series with four items
        d.addSeries("S5", new double[][] {{4.0, 3.0, 2.0, 1.0}, {2.0, 2.0,
                2.0, 2.0}});
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.1,
                0.5));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.1,
                1.0));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 4, 1.1,
                2.0));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 4, 2.2,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 4, 3.3,
                4.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 4, 4.4,
                5.0));
    }


}