@Test
  public void testGetAttributeCount() throws XmlPullParserException, IOException {
    assertThat(parser.getAttributeCount())
        .isEqualTo(-1)
        .as("When no node is being explored the number of attributes should be -1.");

    forgeAndOpenDocument("<foo bar=\"bar\"/>");
    assertThat(parser.getAttributeCount()).isEqualTo(1);
  }
 private int attributeIndexOutOfIndex() {
   return parser.getAttributeCount() + 1;
 }