Esempio n. 1
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  @Test
  public void testTrimTo() {
    DataAccess da = createDataAccess(name);
    da.setSegmentSize(128);
    da.create(128 * 11);
    da.setInt(1 * 4, 10);
    da.setInt(27 * 4, 200);
    da.setInt(31 * 4, 301);
    da.setInt(32 * 4, 302);
    da.setInt(337 * 4, 4000);

    // now 11 segments: (337 + 1) * 4 = 1352
    assertEquals(11, da.getSegments());
    assertEquals(11 * 128, da.getCapacity());

    // now 3 segments
    da.trimTo(128 * 2 + 1);
    assertEquals(3, da.getSegments());

    // now 2 segments
    da.trimTo(128 * 2);
    assertEquals(2, da.getSegments());
    assertEquals(301, da.getInt(31 * 4));
    assertEquals(302, da.getInt(32 * 4));

    // now only one segment
    da.trimTo(128 * 1);
    assertEquals(1, da.getSegments());
    assertEquals(301, da.getInt(31 * 4));

    // at least one segment
    da.trimTo(0);
    assertEquals(1, da.getSegments());
    da.close();
  }
Esempio n. 2
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  @Test
  public void testCopy() {
    DataAccess da1 = createDataAccess(name);
    da1.create(1001 * 4);
    da1.setHeader(4, 12);
    da1.setInt(1 * 4, 1);
    da1.setInt(123 * 4, 321);
    da1.setInt(1000 * 4, 1111);

    DataAccess da2 = createDataAccess(name + "2");
    da2.create(10);
    da1.copyTo(da2);
    assertEquals(12, da2.getHeader(4));
    assertEquals(1, da2.getInt(1 * 4));
    assertEquals(321, da2.getInt(123 * 4));
    assertEquals(1111, da2.getInt(1000 * 4));

    da2.setInt(1 * 4, 2);
    assertEquals(2, da2.getInt(1 * 4));
    da2.flush();
    da1.flush();
    // make sure they are independent!
    assertEquals(1, da1.getInt(1 * 4));
    da1.close();
    da2.close();
  }
Esempio n. 3
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  @Test
  public void testBoundsCheck() {
    DataAccess da = createDataAccess(name);
    da.setSegmentSize(128);
    da.create(128 * 11);
    da.setInt(32 * 4, 302);

    // make smaller
    da.trimTo(128 * 1);
    try {
      assertEquals(302, da.getInt(32 * 4));
      assertTrue(false);
    } catch (Exception ex) {
    }
    da.close();

    da = createDataAccess(name);
    da.create(128);
    da.setInt(31 * 4, 200);
    try {
      // this should fail with an index out of bounds exception
      da.setInt(32 * 4, 220);
      assertFalse(true);
    } catch (Exception ex) {
    }
    da.close();
  }
Esempio n. 4
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  @Test
  public void testRenameFlush() {
    DataAccess da = createDataAccess(name);
    da.create(100);
    da.setInt(17 * 4, 17);
    da.flush();
    assertTrue(new File(directory + name).exists());
    da.rename(name + "wow");
    assertFalse(new File(directory + name).exists());
    assertTrue(new File(directory + name + "wow").exists());
    assertEquals(17, da.getInt(17 * 4));
    da.close();

    da = createDataAccess(name + "wow");
    assertTrue(da.loadExisting());
    assertEquals(17, da.getInt(17 * 4));
    da.close();
  }
Esempio n. 5
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  @Test
  public void testEnsureCapacity() {
    DataAccess da = createDataAccess(name);
    da.create(128);
    da.setInt(31 * 4, 200);

    assertEquals(200, da.getInt(31 * 4));
    da.ensureCapacity(2 * 128);
    assertEquals(200, da.getInt(31 * 4));
    // now it shouldn't fail
    da.setInt(32 * 4, 220);
    assertEquals(220, da.getInt(32 * 4));
    da.close();

    // ensure some bigger area
    da = createDataAccess(name);
    da.create(200 * 4);
    da.ensureCapacity(600 * 4);
    da.close();
  }
Esempio n. 6
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  @Test
  public void testLoadFlush() {
    DataAccess da = createDataAccess(name);
    assertFalse(da.loadExisting());
    da.create(300);
    da.setInt(7 * 4, 123);
    assertEquals(123, da.getInt(7 * 4));
    da.setInt(10 * 4, Integer.MAX_VALUE / 3);
    assertEquals(Integer.MAX_VALUE / 3, da.getInt(10 * 4));
    da.flush();

    // check noValue clearing
    assertEquals(0, da.getInt(2 * 4));
    assertEquals(0, da.getInt(3 * 4));
    assertEquals(123, da.getInt(7 * 4));
    assertEquals(Integer.MAX_VALUE / 3, da.getInt(10 * 4));
    da.close();

    // cannot load data if already closed
    try {
      da.loadExisting();
      assertTrue(false);
    } catch (Exception ex) {
      assertEquals("already closed", ex.getMessage());
    }

    da = createDataAccess(name);
    assertTrue(da.loadExisting());
    assertEquals(123, da.getInt(7 * 4));
    da.close();
  }
Esempio n. 7
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  @Test
  public void testLoadClose() {
    DataAccess da = createDataAccess(name);
    da.create(300);
    da.setInt(2 * 4, 321);
    da.flush();
    da.close();

    da = createDataAccess(name);
    assertTrue(da.loadExisting());
    assertEquals(321, da.getInt(2 * 4));
    da.close();
  }
Esempio n. 8
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  @Test
  public void testSegments() {
    DataAccess da = createDataAccess(name);
    da.setSegmentSize(128);
    da.create(10);
    assertEquals(1, da.getSegments());
    da.ensureCapacity(500);
    int olds = da.getSegments();
    assertTrue(olds > 3);

    da.setInt(400, 321);
    da.flush();
    da.close();

    da = createDataAccess(name);
    assertTrue(da.loadExisting());
    assertEquals(olds, da.getSegments());
    assertEquals(321, da.getInt(400));
    da.close();
  }