assertFalse(control("foo", 1).equals(entry("foo", 2)));
    assertFalse(entry("foo", 1).equals(control("bar", 1)));
    assertFalse(entry("foo", 1).equals(new Object()));
    assertFalse(entry("foo", 1).equals(null));
  }

  public void testEqualsNull() {
    assertEquals(control(NE, 1), entry(NE, 1));
    assertFalse(control(NE, 1).equals(entry(NE, 2)));
    assertFalse(entry(NE, 1).equals(control("bar", 1)));

                for (int j = i + 1; j < lines.size(); j++) {
                    String look = lines.get(j).trim();

                    if (look.equals("[.multi-language-sample]") || look.equals("====")) {
                        break; // stop at next sample or end of example block
                    }

                    if (sourceLang == null) {
                        String parsed = parseSourceLang(look);

        if (current.equals(version) || (version == null && current.isEmpty())) {
            return this;
        }
        return new RelocatedArtifact(artifact, groupId, artifactId, classifier, extension, version, message);
    }

    @Override
    public Artifact setFile(File file) {
        File current = getFile();
        if (Objects.equals(current, file)) {
            return this;
        }

        if (sourceLevelSet) {
            throw new IllegalStateException("Cannot reset sourceLevel attribute; it is already set to: " + sourceLevel);
        } else if (!(USER_LEVEL.equals(sourceLevel) || PROJECT_LEVEL.equals(sourceLevel)  || GLOBAL_LEVEL.equals(sourceLevel))) {
            throw new IllegalArgumentException("sourceLevel must be one of: {" + USER_LEVEL + "," + PROJECT_LEVEL + "," + GLOBAL_LEVEL + "}");
        } else {

        assertFalse(lesser.equals(t));
      }

      assertEquals(t + ".compareTo(" + t + ')', 0, t.compareTo(t));
      assertTrue(t.equals(t));

      for (int j = i + 1; j < valuesInExpectedOrder.size(); j++) {
        T greater = valuesInExpectedOrder.get(j);
        assertTrue(greater + ".compareTo(" + t + ')', greater.compareTo(t) > 0);
        assertFalse(greater.equals(t));
      }
    }
  }

   * IllegalStateException} if it is accessed in any way, with the following exceptions:
   *
   * <ul>
   *   <li>{@code view.equals(view)} evaluates to {@code true} (but any other {@code equals(...)}
   *       expression involving {@code view} will throw)
   *   <li>{@code hashCode()} does not throw
   *   <li>if {@code node} is re-added to the graph after having been removed, {@code view}'s
   *       behavior is undefined

        if (inheritedScope == null) {
            desiredScope = scope;
        } else if (Artifact.SCOPE_TEST.equals(scope) || Artifact.SCOPE_PROVIDED.equals(scope)) {
            return null;
        } else if (Artifact.SCOPE_COMPILE.equals(scope) && Artifact.SCOPE_COMPILE.equals(inheritedScope)) {
            // added to retain compile artifactScope. Remove if you want compile inherited as runtime

        return Artifact.SCOPE_COMPILE.equals(scope)
                || Artifact.SCOPE_PROVIDED.equals(scope)
                || Artifact.SCOPE_SYSTEM.equals(scope);
    }

    // TODO let the scope handler deal with this
    private static boolean isRuntimePathElement(final String scope) {
        return Artifact.SCOPE_COMPILE.equals(scope) || Artifact.SCOPE_RUNTIME.equals(scope);
    }

                currentList = null;
                if (currentItem != null) {
                    currentItem = null;
                    nodes.pop();
                }
                nodes.pop();
            }
            if (element.equals("dt")) {
                nodes.pop();
            }
            if (element.equals("dd")) {
                nodes.pop();
            }
        }

                    && extension.equals(that.extension)
                    && version.equals(that.version)
                    && context.equals(that.context)
                    && localRepo.equals(that.localRepo)
                    && Objects.equals(workspace, that.workspace)
                    && repositories.equals(that.repositories);
        }

        @Override
        public int hashCode() {