TestIFileStreams.java 文件源码

public void testIFileStream() throws Exception {
  final int DLEN = 100;
  DataOutputBuffer dob = new DataOutputBuffer(DLEN + 4);
  IFileOutputStream ifos = new IFileOutputStream(dob);
  for (int i = 0; i < DLEN; ++i) {
    ifos.write(i);
  }
  ifos.close();
  DataInputBuffer dib = new DataInputBuffer();
  dib.reset(dob.getData(), DLEN + 4);
  IFileInputStream ifis = new IFileInputStream(dib, 104, new Configuration());
  for (int i = 0; i < DLEN; ++i) {
    assertEquals(i, ifis.read());
  }
  ifis.close();
}