Method testReadWriteSimple

JSAT/test/jsat/io/JSATDataTest.java:161–197

Test of writeData method, of class JSATData.

()

     * Test of writeData method, of class JSATData.
     */
    @Test
    public void testReadWriteSimple() throws Exception
    {
        System.out.println("ReadWriteSimple");
        
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        JSATData.writeData(simpleData, baos);
        
        ByteArrayInputStream bin = new ByteArrayInputStream(baos.toByteArray());
        
        DataSet readBack = JSATData.load(bin);
        
        checkDataSet(simpleData, readBack);
        
        simpleData.applyTransform(new DenseSparceTransform(0.5));//sparcify our numeric values and try again
        
        baos = new ByteArrayOutputStream();
        JSATData.writeData(simpleData, baos);
        
        byte[] raw_read_back = baos.toByteArray();
        bin = new ByteArrayInputStream(raw_read_back);
        
        readBack = JSATData.load(bin);
        
        checkDataSet(simpleData, readBack);
        
        //what if we muck the number of data points to be a negative value? indicates streaming write scenario
        raw_read_back[17] = -1;
        raw_read_back[18] = -1;
        raw_read_back[19] = -1;
        raw_read_back[20] = -1;
        bin = new ByteArrayInputStream(raw_read_back);

        readBack = JSATData.load(bin);

        checkDataSet(simpleData, readBack);
    }
    
    @Test
    public void testReadWriteClassification() throws Exception