Example #1
0
  @Test
  public void new_getFieldTypeTest() {
    int length = 100;
    String name = "td";
    TupleDesc td = Utility.getTupleDesc(length, name);

    // Lower than index bound.
    try {
      td.getFieldType(length + 1);
      fail("expected exception");
    } catch (NoSuchElementException e) {
    }

    // Higher than index bound.
    try {
      td.getFieldType(-1);
      fail("expected exception");
    } catch (NoSuchElementException e) {
    }

    // Check each name.
    for (int i = 0; i < length; i++) {
      assertEquals(Type.INT_TYPE, td.getFieldType(i));
    }
  }
Example #2
0
  /** Unit test for TupleDesc.combine() */
  @Test
  public void combine() {
    TupleDesc td1, td2, td3;

    td1 = Utility.getTupleDesc(1, "td1");
    td2 = Utility.getTupleDesc(2, "td2");

    // test td1.combine(td2)
    td3 = TupleDesc.merge(td1, td2);
    assertEquals(3, td3.numFields());
    assertEquals(3 * Type.INT_TYPE.getLen(), td3.getSize());
    for (int i = 0; i < 3; ++i) assertEquals(Type.INT_TYPE, td3.getFieldType(i));
    assertEquals(combinedStringArrays(td1, td2, td3), true);

    // test td2.combine(td1)
    td3 = TupleDesc.merge(td2, td1);
    assertEquals(3, td3.numFields());
    assertEquals(3 * Type.INT_TYPE.getLen(), td3.getSize());
    for (int i = 0; i < 3; ++i) assertEquals(Type.INT_TYPE, td3.getFieldType(i));
    assertEquals(combinedStringArrays(td2, td1, td3), true);

    // test td2.combine(td2)
    td3 = TupleDesc.merge(td2, td2);
    assertEquals(4, td3.numFields());
    assertEquals(4 * Type.INT_TYPE.getLen(), td3.getSize());
    for (int i = 0; i < 4; ++i) assertEquals(Type.INT_TYPE, td3.getFieldType(i));
    assertEquals(combinedStringArrays(td2, td2, td3), true);
  }
Example #3
0
  /** Unit test for TupleDesc.getType() */
  @Test
  public void getType() {
    int[] lengths = new int[] {1, 2, 1000};

    for (int len : lengths) {
      TupleDesc td = Utility.getTupleDesc(len);
      for (int i = 0; i < len; ++i) assertEquals(Type.INT_TYPE, td.getFieldType(i));
    }
  }