| 1 | package de.uka.ipd.sdq.sensorframework.storage.tests; |
| 2 | |
| 3 | import java.io.File; |
| 4 | import java.io.IOException; |
| 5 | import java.io.RandomAccessFile; |
| 6 | |
| 7 | import junit.framework.Assert; |
| 8 | import junit.framework.TestCase; |
| 9 | import de.uka.ipd.sdq.sensorframework.storage.lists.DoubleSerialiser; |
| 10 | |
| 11 | public class DoubleSerialiserTest extends TestCase { |
| 12 | |
| 13 | public void testDoubleSerialiser() throws IOException { |
| 14 | File tempFile = File.createTempFile("TestDB", "lst"); |
| 15 | RandomAccessFile raf = new RandomAccessFile(tempFile.getAbsolutePath(),"rw"); |
| 16 | int count = 1000000; |
| 17 | double[] d = new double[count]; |
| 18 | for (int i = 0; i < count; i++) |
| 19 | d[i] = Math.random()*1000.0-500.0; |
| 20 | DoubleSerialiser ds = new DoubleSerialiser(); |
| 21 | byte[] bytes = ds.serialise(toDoubleArray(d),d.length); |
| 22 | raf.write(bytes); |
| 23 | raf.seek(0); |
| 24 | raf.read(bytes); |
| 25 | raf.close(); |
| 26 | Assert.assertTrue(bytes.length == ds.getElementLength() * count); |
| 27 | Double[] doubles = (Double[]) ds.deserialise(bytes); |
| 28 | for (int i=0; i < count; i++) |
| 29 | Assert.assertEquals(d[i],doubles[i]); |
| 30 | } |
| 31 | |
| 32 | private Double[] toDoubleArray(double[] d){ |
| 33 | Double[] result = new Double[d.length]; |
| 34 | for (int i = 0; i < d.length; i++){ |
| 35 | result[i] = d[i]; |
| 36 | } |
| 37 | return result; |
| 38 | } |
| 39 | |
| 40 | } |