Beispiel #1
0
  @Test
  public void testChunks() {
    FastFloatBuffer buff = new FastFloatBuffer();

    assertEquals(-1, buff.index());
    assertEquals(0, buff.offset());

    buff.append(1);

    assertEquals(0, buff.index());
    assertEquals(1, buff.offset());

    buff.append(2);

    assertEquals(2, buff.offset());

    for (int i = 3; i <= SIZE; i++) {
      buff.append(i);
    }

    assertEquals(0, buff.index());
    assertEquals(SIZE, buff.offset());

    buff.append(SIZE + 1);
    assertEquals(1, buff.index());
    assertEquals(1, buff.offset());

    float[] a = buff.array(0);

    for (int i = 1; i <= SIZE; i++) {
      assertEquals(i, a[i - 1], 0.1);
    }
  }
Beispiel #2
0
  @Test
  public void testToArray() {
    FastFloatBuffer buff = new FastFloatBuffer();

    int sum = 0;

    for (int j = 0; j < COUNT; j++) {
      for (int i = 1; i <= SIZE; i++) {
        buff.append(i);
        sum += i;
      }
    }

    buff.append(173);
    sum += 173;

    float[] array = buff.toArray();
    int sum2 = 0;
    for (double l : array) {
      sum2 += l;
    }

    assertEquals(sum, sum2);

    array = buff.toArray(1, buff.size() - 2);
    sum2 = 0;
    for (double l : array) {
      sum2 += l;
    }

    assertEquals(sum - 1 - 173, sum2);
  }
Beispiel #3
0
  @Test
  public void testChunksOverflow() {
    FastFloatBuffer buff = new FastFloatBuffer();

    assertEquals(-1, buff.index());
    assertEquals(0, buff.offset());

    int sum = 0;

    for (int j = 0; j < COUNT; j++) {
      for (int i = 1; i <= SIZE; i++) {
        buff.append(i);
        sum += i;
      }
    }

    assertEquals(15, buff.index());
    assertEquals(1024, buff.offset());

    buff.append(-1);
    sum--;
    assertEquals(16, buff.index());
    assertEquals(1, buff.offset());

    int sum2 = 0;

    for (int i = 0; i < buff.size(); i++) {
      sum2 += buff.get(i);
    }

    assertEquals(sum, sum2);
  }
Beispiel #4
0
  @Test
  public void testAppend() {
    FastFloatBuffer buff = new FastFloatBuffer(3);

    buff.append(buff);
    buff.append(173);
    buff.append(array(8, 98));

    assertArrayEquals(array((float) 173, (float) 8, (float) 98), buff.toArray(), 0.1f);

    buff.append(buff);

    assertArrayEquals(
        array((float) 173, (float) 8, (float) 98, (float) 173, (float) 8, (float) 98),
        buff.toArray(),
        0.1f);

    buff.append(array(173, 5, 3), 1, 1);

    assertArrayEquals(
        array((float) 173, (float) 8, (float) 98, (float) 173, (float) 8, (float) 98, (float) 5),
        buff.toArray(),
        0.1f);

    FastFloatBuffer buff2 = new FastFloatBuffer(3);
    buff2.append(buff);

    assertEquals(7, buff2.toArray().length);
  }
Beispiel #5
0
  @Test
  public void testToSubArray() {
    FastFloatBuffer buff = new FastFloatBuffer();

    int total = SIZE + (SIZE / 2);

    for (int i = 1; i <= total; i++) {
      buff.append(i);
    }

    float[] array = buff.toArray(SIZE + 1, total - SIZE - 1);

    assertEquals(total - SIZE - 1, array.length);
    assertEquals(SIZE + 2, array[0], 0.1);
  }
Beispiel #6
0
  @Test
  public void testClear() {
    FastFloatBuffer buff = new FastFloatBuffer();

    assertTrue(buff.isEmpty());

    buff.append(1);

    assertFalse(buff.isEmpty());

    buff.clear();

    assertTrue(buff.isEmpty());

    try {
      buff.get(0);
      fail();
    } catch (IndexOutOfBoundsException ignore) {
    }

    float[] arr = buff.toArray();

    assertEquals(0, arr.length);
  }