assertFalse(
        "Two Sets should not be equal if exactly one of them contains null.",
        getSet().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_smallerSet() {
    Collection<E> fewerElements = getSampleElements(getNumElements() - 1);
    assertFalse(
        "Sets of different sizes should not be equal.",
        getSet().equals(MinimalSet.from(fewerElements)));
  }

    assertFalse(
        "Two Sets should not be equal if exactly one of them contains null.",
        getSet().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  public void testEquals_smallerSet() {
    Collection<E> fewerElements = getSampleElements(getNumElements() - 1);
    assertFalse(
        "Sets of different sizes should not be equal.",
        getSet().equals(MinimalSet.from(fewerElements)));
  }

      // filter out equals/hashCode/toString
      if (method.getName().equals("equals")
          && method.getParameterTypes().length == 1
          && method.getParameterTypes()[0] == Object.class) {
        continue;
      }
      if (method.getName().equals("hashCode") && method.getParameterTypes().length == 0) {
        continue;
      }

        new Scm().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Scm().equals(null));

        new Scm().equals(new Scm());
    }

    @Test
    void testEqualsIdentity() {
        Scm thing = new Scm();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {
        assertNotNull(new Scm().toString());

   * equals()} contract.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated; use {@link
   * java.util.Objects#equals} instead.
   */
  @SuppressWarnings("InlineMeSuggester") // would introduce fully qualified references to Objects
  public static boolean equal(@Nullable Object a, @Nullable Object b) {
    return java.util.Objects.equals(a, b);
  }

  /**

    @Test
    void testEqualsNullSafe() {
        assertFalse(new DependencyManagement().equals(null));

        new DependencyManagement().equals(new DependencyManagement());
    }

    @Test
    void testEqualsIdentity() {
        DependencyManagement thing = new DependencyManagement();
        assertTrue(thing.equals(thing), "Expected " + thing + " to equal " + thing);
    }

    @Test
    void testToStringNullSafe() {

    assertTrue("An Object should be equal to itself.", collection.equals(collection));
  }

  // Comparisons to null *are* defined.
  @SuppressWarnings("UndefinedEquals")
  public void testEquals_null() {
    // noinspection ObjectEqualsNull
    assertFalse("An object should not be equal to null.", collection.equals(null));
  }

  // A collection should essentially never be equal to a non-collection.

        assertFalse(filter1.equals(null), "Expected " + filter1 + " to not equal " + null);
        assertTrue(filter1.equals(filter1), "Expected " + filter1 + " to equal " + filter1);
        assertEquals(filter1.hashCode(), filter1.hashCode());

        assertFalse(filter1.equals(filter2), "Expected " + filter1 + " to not equal " + filter2);
        assertFalse(filter2.equals(filter1), "Expected " + filter2 + " to not equal " + filter1);

      assertTrue(item + " must not be Object#equals to null", !item.equals(null));
      assertTrue(
          item + " must not be Object#equals to an arbitrary object of another class",
          !item.equals(NotAnInstance.EQUAL_TO_NOTHING));
      assertTrue(item + " must be Object#equals to itself", item.equals(item));
      assertEquals(

class FileModelSourceTest {

    /**
     * Test of equals method, of class FileModelSource.
     */
    @Test
    void testEquals() throws Exception {
        File tempFile = createTempFile("pomTest");
        FileModelSource instance = new FileModelSource(tempFile);

        assertFalse(instance.equals(null), "Expected " + instance + " to not equal " + null);
        assertFalse(instance.equals(new Object()));