@Test
  public void testCreatePath() {
    assertThat(IOUtils.createPath()).isEqualTo("");
    assertThat(IOUtils.createPath("path", "to", "file.test"))
        .isEqualTo("/path/to/file.test".replace("/", File.separator));
    assertThat(IOUtils.createPath("path", "to", "a", "directory"))
        .isEqualTo("/path/to/a/directory".replace("/", File.separator));
  }
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