br.ReadRune()
	br.Peek(1)
	if err := br.UnreadRune(); err == nil {
		t.Error("UnreadRune didn't fail after Peek")
	}
}

func TestNoUnreadByteAfterPeek(t *testing.T) {
	br := NewReader(strings.NewReader("example"))
	br.ReadByte()
	br.Peek(1)
	if err := br.UnreadByte(); err == nil {
		t.Error("UnreadByte didn't fail after Peek")
	}
}

func TestNoUnreadRuneAfterDiscard(t *testing.T) {

    // Once the journal has a failure, subsequent writes aren't permitted.
    filesystem.setFaultyWrite(journalFile, false)
    assertThat(cache.edit("d")).isNull()

    // Confirm that the fault didn't corrupt entries stored before the fault was introduced.
    cache.close()
    cache =
      DiskLruCache(filesystem, cacheDir, appVersion, 2, Int.MAX_VALUE.toLong(), taskRunner).also {
        toClose.add(it)

			}
		}
		if len(a) > 0 {
			in, out := a[0], s
			if cap(in) == cap(out) && &in[:1][0] == &out[:1][0] {
				t.Errorf("Join(%#v, %q) didn't copy", a, tt.sep)
			}
		}
	}
}

var splitaftertests = []SplitTest{
	{abcd, "a", -1, []string{"a", "bcd"}},
	{abcd, "z", -1, []string{"abcd"}},
	{abcd, "", -1, []string{"a", "b", "c", "d"}},

    SortedMap<String, Double> transformed = transformValues(map, SQRT_FUNCTION);

    /*
     * We'd like to sanity check that we didn't get a NavigableMap out, but we
     * can't easily do so while maintaining GWT compatibility.
     */
    assertEquals(ImmutableSortedMap.of("a", 2.0, "b", 3.0), transformed);
  }

 *  Fix: Use the correct key size in the name of `TLS_AES_128_CCM_8_SHA256` which is a TLS 1.3
    cipher suite. We accidentally specified a key size of 256, preventing that cipher suite from
    being selected for any TLS handshakes. We didn't notice because this cipher suite isn't
    supported on Android, Java, or Conscrypt.

    We removed this cipher suite and `TLS_AES_128_CCM_SHA256` from the restricted, modern, and

  }

  /**
   * We had a bug where we'd perform infinite retries of route that fail with connection shutdown
   * errors. The problem was that the logic that decided whether to reuse a route didn't track
   * certain HTTP/2 errors. https://github.com/square/okhttp/issues/5547
   */
  @ParameterizedTest
  @ArgumentsSource(ProtocolParamProvider::class)
  fun noRecoveryFromTwoRefusedStreams(

    SortedMap<String, Double> transformed = transformValues(map, SQRT_FUNCTION);

    /*
     * We'd like to sanity check that we didn't get a NavigableMap out, but we
     * can't easily do so while maintaining GWT compatibility.
     */
    assertEquals(ImmutableSortedMap.of("a", 2.0, "b", 3.0), transformed);
  }

		return
	}

	for i := range errs {
		// DeleteMarkerVersionID is not used specifically to avoid
		// lookup errors, since DeleteMarkerVersionID is only
		// created during DeleteMarker creation when client didn't
		// specify a versionID.
		objToDel := ObjectToDelete{
			ObjectV: ObjectV{
				ObjectName: decodeDirObject(dObjects[i].ObjectName),
				VersionID:  dObjects[i].VersionID,
			},

            });

    List<Object> resultArray = doConcurrentGet(cache, "bar", count, startSignal);

    assertEquals(1, callCount.get());
    for (int i = 0; i < count; i++) {
      assertSame("result(" + i + ") didn't match expected", result, resultArray.get(i));
    }
  }

  /**
   * On a concurrent computation that returns null, all threads should get an

  //   system scheduling and as such we could either miss our deadline, or unpark() could be delayed
  //   so that it looks like we timed out even though we didn't. For comparison FutureTask respects
  //   completion preferably and AQS is non-deterministic (depends on where in the queue the waiter