Package java.nio

Examples of java.nio.CharBuffer.rewind()

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    ByteBuffer in = ByteBuffer.wrap(new byte[] { 98, 98 });
    CharBuffer out = CharBuffer.allocate(5);
    // Normal case: after decode with endOfInput is true
    decoder.reset();
    decoder.decode(in, out, true);
    out.rewind();
    CoderResult result = decoder.flush(out);
    assertSame(result, CoderResult.UNDERFLOW);

    // Illegal state: flush twice
    try {
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    ByteBuffer in = ByteBuffer.wrap(new byte[] { 98, 98 });
    CharBuffer out = CharBuffer.allocate(100);
    // Normal case: just created
    decoder.decode(in, out, true);
    in.rewind();
    out.rewind();

    // Normal case: just after decode with that endOfInput is true
    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), true);
    in.rewind();
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    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), true);
    in.rewind();
    decoder.decode(in, out, true);
    in.rewind();
    out.rewind();

    // Normal case:just after decode with that endOfInput is false
    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), false);
    in.rewind();
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    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), false);
    in.rewind();
    decoder.decode(in, out, true);
    in.rewind();
    out.rewind();

    // Illegal state: just after flush
    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), true);
    decoder.flush(CharBuffer.allocate(10));
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      decoder.decode(in, out, true);
      fail("should illegal state");
    } catch (IllegalStateException e) {
    }
    in.rewind();
    out.rewind();

  }

  // test illegal states for two decode method with endOfInput is false
  public void testDecodeFalseIllegalState() throws CharacterCodingException {
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    ByteBuffer in = ByteBuffer.wrap(new byte[] { 98, 98 });
    CharBuffer out = CharBuffer.allocate(5);
    // Normal case: just created
    decoder.decode(in, out, false);
    in.rewind();
    out.rewind();

    // Illegal state: just after decode facade
    decoder.reset();
    decoder.decode(in);
    in.rewind();
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      decoder.decode(in, out, false);
      fail("should illegal state");
    } catch (IllegalStateException e) {
    }
    in.rewind();
    out.rewind();

    // Illegal state: just after decode with that endOfInput is true
    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), true);
    in.rewind();
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      decoder.decode(in, out, false);
      fail("should illegal state");
    } catch (IllegalStateException e) {
    }
    in.rewind();
    out.rewind();

    // Normal case:just after decode with that endOfInput is false
    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), false);
    in.rewind();
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    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), false);
    in.rewind();
    decoder.decode(in, out, false);
    in.rewind();
    out.rewind();

    // Illegal state: just after flush
    decoder.reset();
    decoder.decode(in, CharBuffer.allocate(30), true);
    in.rewind();
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                    CoderResult res = cd.decode(bytes, chars, true);
                    if (res.isMalformed() || res.isUnmappable()) {
                        return true;
                    } else if (res.isOverflow()) {
                        chars.limit(chars.position());
                        chars.rewind();
                        int c = chars.capacity() * 2;
                        CharBuffer on = CharBuffer.allocate(c);
                        on.put(chars);
                        chars = on;
                    }
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