} catch (NoSuchElementException expected) {
    }
  }

  public void testGetOnlyElement_noDefault_moreThanOneLessThanFiveElements() {
    Iterator<String> iterator = asList("one", "two").iterator();
    try {
      Iterators.getOnlyElement(iterator);
      fail();
    } catch (IllegalArgumentException expected) {
      assertThat(expected).hasMessageThat().isEqualTo("expected one element but was: <one, two>");
    }

    } catch (UnsupportedOperationException expected) {
    }
    try {
      inverse.putAll(Collections.singletonMap("four", 4));
      fail("UnsupportedOperationException expected");
    } catch (UnsupportedOperationException expected) {
    }
    Set<String> values = unmod.values();
    try {
      values.remove("four");
      fail("UnsupportedOperationException expected");

      sink.flush()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("stream finished")
    }
    assertFailsWith<IOException> {
      stream.getSource().read(Buffer(), 1)
    }.also { expected ->
      assertThat(expected.message).isEqualTo("stream was reset: CANCEL")
    }

    // Verify the peer received what was expected.
    val synStream = peer.takeFrame()

    ExecutionError expected = assertThrows(ExecutionError.class, () -> cache.get(new Object()));
    assertThat(expected).hasCauseThat().isSameInstanceAs(e);
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

    ExecutionError expected = assertThrows(ExecutionError.class, () -> cache.get(new Object()));
    assertThat(expected).hasCauseThat().isSameInstanceAs(e);
    stats = cache.stats();
    assertEquals(1, stats.missCount());
    assertEquals(0, stats.loadSuccessCount());
    assertEquals(1, stats.loadExceptionCount());
    assertEquals(0, stats.hitCount());

		return err
	}
	dstFilePath := pathutil.Join(dstVolumeDir, dstPath)
	if err = checkPathLength(dstFilePath); err != nil {
		return err
	}
	if srcIsDir {
		// If source is a directory, we expect the destination to be non-existent but we
		// we still need to allow overwriting an empty directory since it represents
		// an object empty directory.
		dirInfo, err := Lstat(dstFilePath)
		if isSysErrIO(err) {

        List<String> expected = new ArrayList<>();
        expected.add("maven-it-plugin-error");
        expected.add("maven-it-plugin-configuration");
        expected.add("maven-it-plugin-dependency-resolution");
        expected.add("maven-it-plugin-packaging");
        expected.add("maven-it-plugin-log-file");
        expected.add("maven-it-plugin-expression");

	},
	ErrParseExpectedDatePart: {
		Code:           "ParseExpectedDatePart",
		Description:    "Did not find the expected date part in the SQL expression.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrParseExpectedKeyword: {
		Code:           "ParseExpectedKeyword",
		Description:    "Did not find the expected keyword in the SQL expression.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrParseExpectedTokenType: {

    val call1 = client.newCall(Request(server.url("/")))
    assertFailsWith<IOException> {
      call1.execute()
    }.also { expected ->
      when (expected) {
        is SocketTimeoutException, is SSLException -> {}
        else -> throw expected
      }
    }

    // The second call times out because it uses the same bad connection.
    val call2 = client.newCall(Request(server.url("/")))

		}
	}

	// expected error response when the unsigned HTTP request is not permitted.
	unsupportedSignature := getAPIError(ErrSignatureVersionNotSupported).HTTPStatusCode
	if rec.Code != unsupportedSignature {