public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    UncheckedExecutionException expected =
        assertThrows(UncheckedExecutionException.class, () -> cache.getUnchecked(new Object()));
    assertThat(expected).hasCauseThat().isEqualTo(cause);

    Object newValue = new Object();
    valueRef.set(newValue);

      }
      assertEqualsUsingStartedWith(perm, expected, elements);
    }
  }

  /** Regression test for b/4124577 */
  public void testRegression_dataCorruption() {
    int size = 8;
    List<Integer> expected = createOrderedList(size);
    MinMaxPriorityQueue<Integer> q = MinMaxPriorityQueue.create(expected);
    List<Integer> contents = new ArrayList<>(expected);

    Set<Multiset.Entry<E>> expected = getMultiset().entrySet();
    assertEquals(expected, SerializableTester.reserialize(expected));
  }

  @CollectionFeature.Require(SERIALIZABLE_INCLUDING_VIEWS)
  public void testElementSetSerialization() {
    Set<E> expected = getMultiset().elementSet();
    assertEquals(expected, SerializableTester.reserialize(expected));
  }

    Set<Multiset.Entry<E>> expected = getMultiset().entrySet();
    assertEquals(expected, SerializableTester.reserialize(expected));
  }

  @CollectionFeature.Require(SERIALIZABLE_INCLUDING_VIEWS)
  public void testElementSetSerialization() {
    Set<E> expected = getMultiset().elementSet();
    assertEquals(expected, SerializableTester.reserialize(expected));
  }

    StringBuilder input = new StringBuilder();
    StringBuilder expected = new StringBuilder();
    for (int i = 256; i < 1024; i++) {
      input.append((char) i);
      expected.append("[" + i + "]");
    }
    assertThat(SIMPLE_ESCAPER.escape(input.toString())).isEqualTo(expected.toString());
  }

  public void testSurrogatePairs() {
    UnicodeEscaper e = SIMPLE_ESCAPER;

            });
    Map<String, Boolean> expected = ImmutableMap.of("a", true, "b", false);
    assertMapsEqual(expected, map);
    assertEquals(expected.get("a"), map.get("a"));
    assertEquals(expected.containsKey("a"), map.containsKey("a"));
    assertEquals(expected.get("b"), map.get("b"));
    assertEquals(expected.containsKey("b"), map.containsKey("b"));
    assertEquals(expected.get("c"), map.get("c"));

    for (char replacement : new char[] {'_', '-'}) {
      String expected = out.replace('_', replacement);
      assertEqualsSame(expected, in, is('-').collapseFrom(in, replacement));
      assertEqualsSame(expected, in, is('-').collapseFrom(in, replacement));
      assertEqualsSame(expected, in, is('-').or(is('#')).collapseFrom(in, replacement));
      assertEqualsSame(expected, in, isNot('x').collapseFrom(in, replacement));

    }.also { expected ->
      assertThat(expected).hasMessage("Failed to parse UTCTime 191216#30210Z")
    }
  }

  @Test fun `cannot decode generalized time with offset`() {
    assertFailsWith<ProtocolException> {
      Adapters.GENERALIZED_TIME.fromDer("181332303139313231353139303231302d30383030".decodeHex())
    }.also { expected ->

  @Test
  fun onePartRequired() {
    assertFailsWith<IllegalStateException> {
      MultipartBody.Builder().build()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("Multipart body must have at least one part.")
    }
  }

  @Test
  fun singlePart() {
    val expected =
      """
      |--123
      |
      |Hello, World!
      |--123--
      |

  public void testFromInt() {
    for (ExpectedHashCode expected : expectedHashCodes) {
      if (expected.bytes.length == 4) {
        HashCode fromInt = HashCode.fromInt(expected.asInt);
        assertExpectedHashCode(expected, fromInt);
      }
    }
  }

  // expectedHashCodes must contain at least one hash code with 8 bytes
  public void testFromLong() {
    for (ExpectedHashCode expected : expectedHashCodes) {