assertThrows(UnsupportedOperationException.class, () -> map.putAll(ImmutableMap.of("b", "2")));

    assertThrows(
        UnsupportedOperationException.class,
        () -> map.entrySet().iterator().next().setValue("one"));
  }

  public void testTransformRemoveEntry() {
    Map<String, Integer> underlying = new HashMap<>();
    underlying.put("a", 1);

    Iterator<Entry<K, V>> entryIterator = entrySet().iterator();
    while (entryIterator.hasNext()) {
      Entry<K, V> entry = entryIterator.next();
      if (Objects.equals(entry.getKey(), key)) {
        V value = entry.getValue();
        entryIterator.remove();
        return value;
      }
    }
    return null;
  }

  /**
   * A sensible definition of {@link #clear} in terms of the {@code iterator} method of {@link

      for (Table.Cell<String, SecretKey, HashFunction> cell : ALGORITHMS.cellSet()) {
        String algorithm = cell.getRowKey();
        SecretKey key = cell.getColumnKey();
        HashFunction hashFunc = cell.getValue();
        assertMacHashing(HashTestUtils.ascii(stringToTest), algorithm, key, hashFunc);
      }
    }
  }

  @AndroidIncompatible // sun.security
  public void testNoProviders() {

    for (Cell<HashFunction, String, String> cell : KNOWN_HASHES.cellSet()) {
      HashFunction func = cell.getRowKey();
      String input = cell.getColumnKey();
      String expected = cell.getValue();
      assertEquals(
          String.format(Locale.ROOT, "Known hash for hash(%s, UTF_8) failed", input),
          expected,
          func.hashString(input, UTF_8).toString());
    }
  }

            final String key = e.getKey().toString();
            if (!key.startsWith(SAML_PREFIX)) {
                return;
            }
            params.put("onelogin.saml2." + key.substring(SAML_PREFIX.length()), e.getValue());
        });
        return new SettingsBuilder().fromValues(params).build();
    }

    @Override
    public LoginCredential getLoginCredential() {

        boolean found = false;
        for (Cookie cookie : cookies) {
            if ("FESS_SEARCH_PARAM".equals(cookie.getName())) {
                found = true;
                assertNotNull(cookie.getValue());
            }
        }
        assertTrue(found);
        getMockRequest().addCookie(cookies[0]);
        RequestParameter[] result = searchHelper.getSearchParameters();
        assertEquals(2, result.length);

                final int index = tags.size() / 2 + 1;
                tags.put("name" + index, e.getKey());
                tags.put("value" + index, e.getValue());
            });
            RenderDataUtil.register(data, "savedTags", tags);
        });
    }

    /**
     * Container class for path information containing separate path and name components.

    cache.put(5, 10);

    fakeTicker.advance(501, MILLISECONDS);

    int sum = 0;
    for (Entry<Integer, Integer> current : cache.asMap().entrySet()) {
      sum += current.getKey() + current.getValue();
    }
    assertEquals(57, sum);
  }

  public void testAsMapValues_iteratorRemove() {
    Cache<Integer, Integer> cache =

        ArgumentCaptor<SID[]> captor = ArgumentCaptor.forClass(SID[].class);
        verify(cache, times(1)).resolveSids0(isNull(), same(ctx), captor.capture());
        SID[] resolvedFirst = captor.getValue();
        assertEquals(2, resolvedFirst.length);
        assertEquals("user1", ((SID) resolvedFirst[0]).acctName);
        assertEquals("user2", ((SID) resolvedFirst[1]).acctName);

            buf.append('{');
            final String json = ((Map<?, ?>) value).entrySet().stream().map(e -> {
                final StringBuilder tempBuf = new StringBuilder();
                appendJson(e.getKey().toString(), e.getValue(), tempBuf);
                return tempBuf.toString();
            }).collect(Collectors.joining(","));
            buf.append(json);
            buf.append('}');