ImmutablePolicyRevision implements PolicyRevision { @Override public String toString() { return String.valueOf(value); } private  ImmutablePolicyRevision(final long theValue); static ImmutablePolicyRevision of(final long value); @Override boolean isGreaterThan(final PolicyRevision other); @Override boolean isGreaterThanOrEqualTo(final PolicyRevision other); @Override boolean isLowerThan(final PolicyRevision other); @Override boolean isLowerThanOrEqualTo(final PolicyRevision other); @Override PolicyRevision increment(); @Override long toLong(); @Override String toString(); @Override boolean equals(final Object o); @Override int hashCode(); @Override int compareTo(final PolicyRevision o);  }
@Test public void toStringReturnsExpected() { assertThat(underTest.toString()).isEqualTo(String.valueOf(DEFAULT_VALUE)); }