| 1 | package de.uka.ipd.sdq.sensorframework.storage.tests; |
| 2 | |
| 3 | import java.io.File; |
| 4 | import java.io.IOException; |
| 5 | |
| 6 | import junit.framework.Assert; |
| 7 | import junit.framework.TestCase; |
| 8 | import de.uka.ipd.sdq.sensorframework.storage.lists.BackgroundMemoryList; |
| 9 | import de.uka.ipd.sdq.sensorframework.storage.lists.DoubleSerialiser; |
| 10 | |
| 11 | |
| 12 | public class DoubleListTest extends TestCase { |
| 13 | |
| 14 | private static final int LARGE_LIST_TEST_COUNT = 1000000; |
| 15 | |
| 16 | public void testList() { |
| 17 | BackgroundMemoryList<Double> list; |
| 18 | try { |
| 19 | File tempFile = File.createTempFile("TempDB", "lst"); |
| 20 | list = new BackgroundMemoryList<Double>(tempFile.getAbsolutePath(), |
| 21 | new DoubleSerialiser()); |
| 22 | list.add(1.0); |
| 23 | list.close(); |
| 24 | Assert.assertEquals(8, tempFile.length()); |
| 25 | |
| 26 | list = new BackgroundMemoryList<Double>(tempFile.getAbsolutePath(), |
| 27 | new DoubleSerialiser()); |
| 28 | Assert.assertEquals(1,list.size()); |
| 29 | Assert.assertEquals(1.0, list.get(0)); |
| 30 | list.add(2.0); |
| 31 | Assert.assertEquals(2,list.size()); |
| 32 | Assert.assertEquals(2.0, list.get(1)); |
| 33 | list.close(); |
| 34 | Assert.assertEquals(16, tempFile.length()); |
| 35 | |
| 36 | } catch (IOException e) { |
| 37 | e.printStackTrace(); |
| 38 | Assert.assertTrue(false); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | public void testList2() { |
| 43 | BackgroundMemoryList<Double> list; |
| 44 | try { |
| 45 | File tempFile = File.createTempFile("TempDB", "lst"); |
| 46 | list = new BackgroundMemoryList<Double>(tempFile.getAbsolutePath(), |
| 47 | new DoubleSerialiser()); |
| 48 | for (double i = 0; i < LARGE_LIST_TEST_COUNT; i += 1) |
| 49 | list.add(i); |
| 50 | list.close(); |
| 51 | Assert.assertEquals(LARGE_LIST_TEST_COUNT * 8, tempFile.length()); |
| 52 | |
| 53 | list = new BackgroundMemoryList<Double>(tempFile.getAbsolutePath(), |
| 54 | new DoubleSerialiser()); |
| 55 | for (double i = 0; i < LARGE_LIST_TEST_COUNT; i += 1) |
| 56 | Assert.assertEquals(i,list.get((int)i)); |
| 57 | list.close(); |
| 58 | } catch (IOException e) { |
| 59 | e.printStackTrace(); |
| 60 | Assert.assertTrue(false); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | } |