ArrayTypeTest.java 文件源码

@Test public void shortArraysWithNull() throws Exception {
  final Random r = new Random();
  try (Connection conn = DriverManager.getConnection(url)) {
    ScalarType component = ColumnMetaData.scalar(Types.SMALLINT, "SMALLINT", Rep.SHORT);
    List<Array> arrays = new ArrayList<>();
    // Construct the data
    for (int i = 0; i < 5; i++) {
      List<Short> elements = new ArrayList<>();
      for (int j = 0; j < 4; j++) {
        short value = (short) r.nextInt(Short.MAX_VALUE);
        // 50% of the time, negate the value
        if (0 == r.nextInt(2)) {
          value *= -1;
        }
        elements.add(Short.valueOf(value));
      }
      elements.add(null);
      arrays.add(createArray("SMALLINT", component, elements));
    }
    // Verify read/write
    writeAndReadArrays(conn, "short_arrays", "SMALLINT", component, arrays,
        PRIMITIVE_LIST_VALIDATOR);
  }
}