},
		{
			desc:       "Correct sha256, nested, truncated",
			src:        mustReader(t, bytes.NewReader([]byte("abcd-more-stuff-to-be ignored")), 4, "", "", 4),
			size:       4,
			actualSize: -1,
			sha256hex:  "88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589",
			err:        ioutil.ErrOverread,
		},
		7: {
			desc:       "Correct sha256, nested, truncated, swapped",

				err = rec.WriteJSON(&gotB)
				if err != nil {
					t.Error(err)
				}
				err = want.WriteJSON(&wantB)
				if err != nil {
					t.Error(err)
				}
				// truncate newline from 'want'
				wantB.Truncate(wantB.Len() - 1)
				if !bytes.Equal(gotB.Bytes(), wantB.Bytes()) {
					t.Errorf("JSON output mismatch.\nwant: %s\ngot:  %s", wantB.String(), gotB.String())
				}
			}
		})
	}

  @Override
  public boolean wasStreamClosed() {
    return outputStreamClosed;
  }

  @Override
  public OutputStream openStream() throws IOException {
    outputStreamOpened = true;
    bytes.reset(); // truncate
    return new Out();
  }

  private final class Out extends TestOutputStream {

    Out() throws IOException {
      super(bytes, options);
    }

    @Override

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

/**
 * Modes for opening a file for writing. The default when mode when none is specified is to truncate
 * the file before writing.
 *
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
public enum FileWriteMode {
  /** Specifies that writes to the opened file should append to the end of the file. */

		type="hidden" id="rt" value="${f:h(requestedTime)}" />
	<ol class="list-unstyled col-md-8">
		<c:forEach var="doc" varStatus="s" items="${documentItems}">
			<li id="result${s.index}">
				<h3 class="title text-truncate">
					<a class="link" href="${doc.url_link}" data-uri="${doc.url_link}"
						data-id="${doc.doc_id}" data-order="${s.index}">${doc.content_title}</a>
				</h3>
				<div class="body">

            // truncate the file
            if ((flags & SmbConstants.O_CREAT) == SmbConstants.O_CREAT) {
                // create it if necessary
                this.openFunction = OPEN_FN_TRUNC | OPEN_FN_CREATE;
            } else {
                this.openFunction = OPEN_FN_TRUNC;
            }
        } else // don't truncate the file

								</c:forEach>
							</c:forEach>
						</c:if>
				</a></li>
			</c:if>
		</ul>
		<c:if test="${!empty popularWords}">
			<div class="row">
				<div class="col">
					<p class="text-truncate">
						<la:message key="labels.search_popular_word_word" />
						<c:forEach var="item" varStatus="s" items="${popularWords}">
							<c:if test="${s.index < 3}">
								<la:link

								</c:forEach>
							</c:forEach>
						</c:if>
				</a></li>
			</c:if>
		</ul>
		<c:if test="${!empty popularWords}">
			<div class="row">
				<div class="col">
					<p class="text-truncate">
						<la:message key="labels.search_popular_word_word" />
						<c:forEach var="item" varStatus="s" items="${popularWords}">
							<c:if test="${s.index < 3}">
								<la:link

        // Verify customData part (should be truncated)
        byte[] expectedCustomData = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        byte[] actualCustomData = new byte[8];
        System.arraycopy(value, 8, actualCustomData, 0, 8);
        assertArrayEquals(expectedCustomData, actualCustomData);

        // Verify machineId part (should be truncated)
        byte[] expectedMachineId = new byte[32];

func (b *Buffer) Available() int { return cap(b.buf) - len(b.buf) }

// Truncate discards all but the first n unread bytes from the buffer
// but continues to use the same allocated storage.
// It panics if n is negative or greater than the length of the buffer.
func (b *Buffer) Truncate(n int) {
	if n == 0 {
		b.Reset()
		return
	}
	b.lastRead = opInvalid
	if n < 0 || n > b.Len() {