Package org.apache.lucene.store

Examples of org.apache.lucene.store.IndexInput.readByte()

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    indexOutput.writeBytes(b, 16000);
    indexOutput.close();

    IndexInput input = directory.openInput("test", IOContext.DEFAULT);
    assertEquals(16002, input.length());
    assertEquals(1, input.readByte());
    assertEquals(2, input.readByte());

    byte[] buf = new byte[16000];
    input.readBytes(buf, 0, 16000);
    input.close();
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    indexOutput.close();

    IndexInput input = directory.openInput("test", IOContext.DEFAULT);
    assertEquals(16002, input.length());
    assertEquals(1, input.readByte());
    assertEquals(2, input.readByte());

    byte[] buf = new byte[16000];
    input.readBytes(buf, 0, 16000);
    input.close();
    assertArrayEquals(b, buf);
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  private void testEof(String name, Directory directory, long length) throws IOException {
    IndexInput input = directory.openInput(name, IOContext.DEFAULT);
    try {
      input.seek(length);
      input.readByte();
      fail("should throw eof");
    } catch (IOException e) {
    }
  }
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      actual.length = expected.length;
      input.readBytes(actual.bytes, 0, actual.length);
      assertEquals(expected, actual);
    }
    try {
      input.readByte();
      fail("must be EOF");
    } catch (IOException e) {
      // expected - read past EOF
    }
    dir.close();
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        os.close();

        IndexInput in = fsdir.openInput(file);

        // This read primes the buffer in IndexInput
        in.readByte();

        // Close the file
        in.close();

        // ERROR: this call should fail, but succeeds because the buffer
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        // Close the file
        in.close();

        // ERROR: this call should fail, but succeeds because the buffer
        // is still filled
        in.readByte();

        // ERROR: this call should fail, but succeeds for some reason as well
        in.seek(1099);

        try {
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        in.seek(1099);

        try {
            // OK: this call correctly fails. We are now past the 1024 internal
            // buffer, so an actual IO is attempted, which fails
            in.readByte();
            fail("expected readByte() to throw exception");
        } catch (IOException e) {
          // expected exception
        }
    }
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        e2.seek(1027);
        a2.seek(1027);
        assertEquals(1027, e2.getFilePointer());
        assertEquals(1027, a2.getFilePointer());
        byte be2 = e2.readByte();
        byte ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Now make sure the first one didn't move
        assertEquals(101, e1.getFilePointer());
        assertEquals(101, a1.getFilePointer());
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        // Now make sure the second set didn't move
        assertEquals(1028, e2.getFilePointer());
        assertEquals(1028, a2.getFilePointer());
        be2 = e2.readByte();
        ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Move the second set back, again cross the buffer size
        e2.seek(17);
        a2.seek(17);
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        e2.seek(17);
        a2.seek(17);
        assertEquals(17, e2.getFilePointer());
        assertEquals(17, a2.getFilePointer());
        be2 = e2.readByte();
        ba2 = a2.readByte();
        assertEquals(be2, ba2);

        // Finally, make sure the first set didn't move
        // Now make sure the first one didn't move
        assertEquals(1911, e1.getFilePointer());
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