@SuppressWarnings("SelfEquals")
  public void testEquals_self() {
    assertTrue("An Object should be equal to itself.", collection.equals(collection));
  }

  public void testEquals_null() {
    // noinspection ObjectEqualsNull
    assertFalse("An object should not be equal to null.", collection.equals(null));
  }

  public void testEquals_notACollection() {

   * same structural relationships as those in this graph.
   *
   * <p>Thus, two graphs A and B are equal if <b>all</b> of the following are true:
   *
   * <ul>
   *   <li>A and B have equal {@link #isDirected() directedness}.
   *   <li>A and B have equal {@link #nodes() node sets}.
   *   <li>A and B have equal {@link #edges() edge sets}.
   * </ul>
   *

   * same structural relationships as those in this graph.
   *
   * <p>Thus, two graphs A and B are equal if <b>all</b> of the following are true:
   *
   * <ul>
   *   <li>A and B have equal {@link #isDirected() directedness}.
   *   <li>A and B have equal {@link #nodes() node sets}.
   *   <li>A and B have equal {@link #edges() edge sets}.
   * </ul>
   *

    if (!equal(actual, expected)) {
      // fail(), but with the JUnit-supplied message.
      assertEquals("Using seed " + seed, expected, actual);
    }
  }

  private static void assertEqualsUsingStartedWith(
      Collection<?> startedWith, @Nullable Object expected, @Nullable Object actual) {
    if (!equal(actual, expected)) {

  origin: GrandCastle
`

	g.Expect(output).To(Equal(expectedOutput))
}

func TestFormatter_PrintEmpty(t *testing.T) {
	g := NewWithT(t)

	msgs := diag.Messages{}

	logOutput, _ := Print(msgs, LogFormat, false)
	g.Expect(logOutput).To(Equal(""))

	jsonOutput, _ := Print(msgs, JSONFormat, false)
	g.Expect(jsonOutput).To(Equal("[]"))

	yamlOutput, _ := Print(msgs, YAMLFormat, false)

     *
     * <p>Returns {@code true} if the given object is also a multiset entry and the two entries
     * represent the same element and count. That is, two entries {@code a} and {@code b} are equal
     * if:
     *
     * <pre>{@code
     * Objects.equal(a.getElement(), b.getElement())
     *     && a.getCount() == b.getCount()
     * }</pre>
     */
    @Override
    // TODO(kevinb): check this wrt TreeMultiset?

		for i := 0; i < b.N; i++ {
			eq := Equal(buf1, buf2)
			if !eq {
				b.Fatal("bad equal")
			}
		}
	})

	sizes := []int{1, 6, 9, 15, 16, 20, 32, 4 << 10, 4 << 20, 64 << 20}

	b.Run("same", func(b *testing.B) {
		benchBytes(b, sizes, bmEqual(func(a, b []byte) bool { return Equal(a, a) }))
	})

	benchBytes(b, sizes, bmEqual(Equal))
}

        SnapshotVersion sv1 = addSnapshotVersion(source.getVersioning(), date, artifact);
        // although nothing has changed merge returns true, as the last modified date is equal
        // TODO: improve merge here?
        assertTrue(target.merge(source));
        assertEquals(1, target.getVersioning().getSnapshotVersions().size());

			t.Log("Expecting an invalid configuration log:")
			err := in.sleepWatchInstall(ctx, sets.String{})
			if err != nil {
				t.Fatalf("error should be nil due to invalid config, got: %v", err)
			}
			assert.Equal(t, isReady.Load(), false)

			if len(c.invalidConfigFilename) > 0 {
				if err := os.Remove(cniConfigFilepath); err != nil {
					t.Fatal(err)
				}
			}

			// Copy a valid config file into tempDir

    return Iterators.forArray(nodeU, nodeV);
  }

  /**
   * Two ordered {@link EndpointPair}s are equal if their {@link #source()} and {@link #target()}
   * are equal. Two unordered {@link EndpointPair}s are equal if they contain the same nodes. An
   * ordered {@link EndpointPair} is never equal to an unordered {@link EndpointPair}.
   */
  @Override
  public abstract boolean equals(@CheckForNull Object obj);