Package org.xtreemfs.babudb.sandbox

Examples of org.xtreemfs.babudb.sandbox.RandomGenerator

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  public void testInitialize() {
    Logging.start(Logging.LEVEL_ERROR);

    for (int i=0;i<NO_TESTS_PER_CASE;i++){
      long testSeed = RandomGenerator.getRandomSeed();
      assertEquals(new RandomGenerator().initialize(testSeed).toString(),
             new RandomGenerator().initialize(testSeed).toString());
    }
  }
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  @Test
  public void testLSNInsertGroup() throws Exception {
    // initialization
    Random random = new Random();
    long testSeed = RandomGenerator.getRandomSeed();
    RandomGenerator testGen1 = new RandomGenerator();
    RandomGenerator testGen2 = new RandomGenerator(); 
    testGen1.initialize(testSeed);
    testGen2.initialize(testSeed);
   
    assert (RandomGenerator.MAX_SEQUENCENO<((long) Integer.MAX_VALUE)) : "This test cannot handle such a big MAX_SEQUENCENO.";
    int viewID = random.nextInt(RandomGenerator.MAX_VIEWID-(RandomGenerator.MAX_VIEWID/2))+1;
    long sequenceNO = random.nextInt((int) (RandomGenerator.MAX_SEQUENCENO-1L))+1L;
    LSN testLSN = new LSN(viewID,sequenceNO);
   
    for (int i=0;i<NO_TESTS_PER_CASE;i++){
      assertEquals(testGen1.getInsertGroup(testLSN).toString(), testGen2.getInsertGroup(testLSN).toString());
      if (sequenceNO<RandomGenerator.MAX_SEQUENCENO)
        testLSN = new LSN(viewID,++sequenceNO);
      else
        testLSN = new LSN(++viewID,sequenceNO = 1L);
    }
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  @Test
  public void testLSNLookUpGroup() throws Exception {
    // initialization
    Random random = new Random();
    long testSeed = RandomGenerator.getRandomSeed();
    RandomGenerator testGen1 = new RandomGenerator();
    RandomGenerator testGen2 = new RandomGenerator(); 
    testGen1.initialize(testSeed);
    testGen2.initialize(testSeed);
 
    assert (RandomGenerator.MAX_SEQUENCENO<((long) Integer.MAX_VALUE)) : "This test cannot handle such a big MAX_SEQUENCENO.";   
    for (int i=0;i<NO_TESTS_PER_CASE;i++){
      LSN testLSN = new LSN(random.nextInt(RandomGenerator.MAX_VIEWID-1)+1,random.nextInt((int) (RandomGenerator.MAX_SEQUENCENO-1L))+1L);
      assertEquals(testGen1.getLookupGroup(testLSN).toString(), testGen2.getLookupGroup(testLSN).toString());
    }   
  }
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  @Test
  public void testCrossComparison() throws Exception {
    // initialization
    Random random = new Random();
    long testSeed = RandomGenerator.getRandomSeed();
    RandomGenerator testGen1 = new RandomGenerator();
    RandomGenerator testGen2 = new RandomGenerator();
    testGen1.initialize(testSeed);
    testGen2.initialize(testSeed);
   
    for (int i=0;i<NO_TESTS_PER_CASE;i++){
      LSN testLSN = new LSN(random.nextInt(RandomGenerator.MAX_VIEWID-1)+1,random.nextInt((int) (RandomGenerator.MAX_SEQUENCENO-1L))+1L);
      assertEquals(testGen1.getInsertGroup(testLSN).lookUpCompareable(),testGen2.getLookupGroup(testLSN).toString());
      assertEquals(testGen2.getInsertGroup(testLSN).lookUpCompareable(),testGen1.getLookupGroup(testLSN).toString());
      testGen1.reset();
      testGen2.reset();
    }
  }
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Related Classes of org.xtreemfs.babudb.sandbox.RandomGenerator

  • org.xtreemfs.babudb.sandbox.ContinuesRandomGenerator.Operation
  • org.xtreemfs.babudb.sandbox.RandomGeneratorTest
  • java.util.Random
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