コード例 #1
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);
  }
コード例 #2
0
  // Test mix of INT_TYPE and STRING_TYPE.
  @Test
  public void new_getSizeTest() {
    Type[] typeAr = new Type[] {Type.INT_TYPE, Type.INT_TYPE, Type.STRING_TYPE, Type.STRING_TYPE};
    String[] fieldAr = new String[] {"number0", "number1", "string0", "string1"};
    TupleDesc td = new TupleDesc(typeAr, fieldAr);

    int length = 2 * Type.INT_TYPE.getLen() + 2 * Type.STRING_TYPE.getLen();
    assertEquals(length, td.getSize());
  }
コード例 #3
0
  /** Unit test for TupleDesc.getSize() */
  @Test
  public void getSize() {
    int[] lengths = new int[] {1, 2, 1000};

    for (int len : lengths) {
      TupleDesc td = Utility.getTupleDesc(len);
      assertEquals(len * Type.INT_TYPE.getLen(), td.getSize());
    }
  }