}

  /**
   * Compares the two specified {@code int} values. The sign of the value returned is the same as
   * that of {@code ((Integer) a).compareTo(b)}.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Integer#compare} method instead.
   *
   * @param a the first {@code int} to compare
   * @param b the second {@code int} to compare

    for (double x : VALUES) {
      for (double y : VALUES) {
        // note: spec requires only that the sign is the same
        assertWithMessage(x + ", " + y)
            .that(Doubles.compare(x, y))
            .isEqualTo(Double.valueOf(x).compareTo(y));
      }
    }
  }

  public void testContains() {
    assertThat(Doubles.contains(EMPTY, (double) 1)).isFalse();

        return vr.containsVersion(actualVersion);
    }

    @Test
    void testOrder0() {
        // assertTrue( new DefaultArtifactVersion( "1.0-alpha10" ).compareTo( new DefaultArtifactVersion( "1.0-alpha1" )
        // ) > 0 );
    }

    @Test
    void testCache() throws InvalidVersionSpecificationException {

  }

  private static class IntegerDiv10 implements Comparable<IntegerDiv10> {
    final int value;

    IntegerDiv10(int value) {
      this.value = value;
    }

    @Override
    public int compareTo(IntegerDiv10 o) {
      return value / 10 - o.value / 10;
    }

    @Override
    public String toString() {
      return Integer.toString(value);
    }
  }

    private final int value;

    ClassWithTerribleHashCode(int value) {
      this.value = value;
    }

    @Override
    public int compareTo(ClassWithTerribleHashCode that) {
      return Integer.compare(this.value, that.value);
    }

    @Override
    public boolean equals(@Nullable Object x) {
      return x instanceof ClassWithTerribleHashCode

        methods,
        new Comparator<Method>() {
          @Override
          public int compare(Method m1, Method m2) {
            int nameComparison = m1.getName().compareTo(m2.getName());
            if (nameComparison != 0) {
              return nameComparison;
            } else {
              return Integer.compare(m1.getParameterTypes().length, m2.getParameterTypes().length);
            }
          }
        });

        methods,
        new Comparator<Method>() {
          @Override
          public int compare(Method m1, Method m2) {
            int nameComparison = m1.getName().compareTo(m2.getName());
            if (nameComparison != 0) {
              return nameComparison;
            } else {
              return Integer.compare(m1.getParameterTypes().length, m2.getParameterTypes().length);
            }
          }
        });

    assertThat(Booleans.trueFirst().compare(true, true)).isEqualTo(0);
    assertThat(Booleans.trueFirst().compare(false, false)).isEqualTo(0);
    assertThat(Booleans.trueFirst().compare(true, false)).isLessThan(0);
    assertThat(Booleans.trueFirst().compare(false, true)).isGreaterThan(0);
  }

  public void testFalseFirst() {
    assertThat(Booleans.falseFirst().compare(true, true)).isEqualTo(0);

  }

  /**
   * Compares the two specified {@code char} values. The sign of the value returned is the same as
   * that of {@code ((Character) a).compareTo(b)}.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use the
   * equivalent {@link Character#compare} method instead.
   *
   * @param a the first {@code char} to compare
   * @param b the second {@code char} to compare

          // This means the service was started by some means other than ServiceManager.startAsync
          stopwatch = Stopwatch.createStarted();
          startupTimers.put(service, stopwatch);
        }
        if (to.compareTo(RUNNING) >= 0 && stopwatch.isRunning()) {
          // N.B. if we miss the STARTING event then we may never record a startup time.
          stopwatch.stop();
          if (!(service instanceof NoOpService)) {