private static final String RESULT3 = COMMENT + LINE_SEPARATOR + COMMENT + LINE_SEPARATOR + KEY1A + " = " + VALUE1
            + "\\" + LINE_SEPARATOR + VALUE1 + LINE_SEPARATOR;

    @Test
    public void testSaveComment3() throws Exception {
        properties.put(KEY1, List.of(new String[] {COMMENT, COMMENT}), List.of(new String[] {VALUE1, VALUE1}));
        StringWriter sw = new StringWriter();
        properties.save(sw);

      Key key1 = new Key(1);
      String value1 = key1.toString();
      Key key2 = new Key(2);
      String value2 = key2.toString();
      assertSame(value1, cache.getUnchecked(key1));
      assertSame(value2, cache.getUnchecked(key2));
      assertEquals(ImmutableSet.of(key1, key2), cache.asMap().keySet());
      assertThat(cache.asMap().values()).containsExactly(value1, value2);
      assertEquals(

            .add("field1", 1)
            .addValue("value1")
            .add("field2", "value2");
    final String expected = "TestClass{field1=1, value1, field2=value2}";

    assertEquals(expected, helper.toString());
    // Call toString again
    assertEquals(expected, helper.toString());

    // Make sure the cached value is reset when we modify the helper at all

        MojoDescriptor mojoDescriptor = new MojoDescriptor();
        Parameter param1 = new Parameter();
        param1.setName("param1");
        param1.setDefaultValue("value1");
        mojoDescriptor.addParameter(param1);

        assertEquals(1, mojoDescriptor.getParameters().size());

        assertEquals(
                mojoDescriptor.getParameters().size(),

    }

    static final class DuplicateKey {
      private final Object key;
      private final Object value1;
      private final Object value2;

      DuplicateKey(Object key, Object value1, Object value2) {
        this.key = key;
        this.value1 = value1;
        this.value2 = value2;
      }

      IllegalArgumentException exception() {
        return new IllegalArgumentException(

  /**
   * Sets two distinct values for {@code type}. These values can be used for both null pointer
   * testing and equals testing.
   *
   * @since 17.0
   */
  protected final <T> void setDistinctValues(Class<T> type, T value1, T value2) {
    tester.setDistinctValues(type, value1, value2);
  }

  /** Specifies that classes that satisfy the given predicate aren't tested for sanity. */

  /**
   * Sets two distinct values for {@code type}. These values can be used for both null pointer
   * testing and equals testing.
   *
   * @since 17.0
   */
  protected final <T> void setDistinctValues(Class<T> type, T value1, T value2) {
    tester.setDistinctValues(type, value1, value2);
  }

  /** Specifies that classes that satisfy the given predicate aren't tested for sanity. */

          DeferredCloser closer,
          @ParametricNullness V1 value1,
          @ParametricNullness V2 value2,
          @ParametricNullness V3 value3,
          @ParametricNullness V4 value4,
          @ParametricNullness V5 value5)
          throws Exception;
    }

    /**
     * A function that returns a {@link ClosingFuture} when applied to the values of the five

  }

  public void testNewIdentityHashSet() {
    Set<Integer> set = Sets.newIdentityHashSet();
    Integer value1 = new Integer(12357);
    Integer value2 = new Integer(12357);
    assertTrue(set.add(value1));
    assertFalse(set.contains(value2));
    assertTrue(set.contains(value1));
    assertTrue(set.add(value2));
    assertEquals(2, set.size());
  }

  @J2ktIncompatible
  @GwtIncompatible // CopyOnWriteArraySet

    builder.put("key", "value");
    assertThat(builder.build().entries()).containsExactly(Maps.immutableEntry("key", "value"));
  }

  public void testBuilderWithExpectedKeysPositive() {
    ImmutableSetMultimap.Builder<String, String> builder =
        ImmutableSetMultimap.builderWithExpectedKeys(1);
    builder.put("key", "value");