@Test
  public void testObjectSerializationWithClassLoader() throws IOException, ClassNotFoundException {
    final BigDecimal pi = new BigDecimal(Math.PI);
    final byte[] piBytes = IOUtils.serializeObject(pi);

    assertThat(piBytes).isNotNull();
    assertThat(piBytes.length != 0).isTrue();

    final Object piObj =
        IOUtils.deserializeObject(piBytes, IOUtilsJUnitTest.class.getClassLoader());
    assertThat(piObj).isInstanceOf(BigDecimal.class);
    assertThat(piObj).isEqualTo(pi);
  }
Gets a fully-qualified path anchored at root.
<p>

@param pathElements a String array containing the elements of the path.
@return a fully-qualified pathname as a String value.
geode-core/src/test/java/org/apache/geode/internal/util/IOUtilsJUnitTest.java