How to use

getValueAt

method

in

org.apache.logging.log4j.util.SortedArrayStringMap

@Override
public Map<String, String> toMap() {
  final Map<String, String> result = new HashMap<>(size());
  for (int i = 0; i < size(); i++) {
    final Object value = getValueAt(i);
    result.put(getKeyAt(i), value == null ? null : String.valueOf(value));
  }
  return result;
}

  @Override
  public void accept(final String key, final String value) {
    assertEquals("key", key, original.getKeyAt(count));
    assertEquals("val", value, original.getValueAt(count));
    count++;
    assertTrue("count should not exceed size but was " + count, count <= original.size());
  }
});

  @Override
  public void accept(final String key, final String value, final State state) {
    assertEquals("key", key, state.data.getKeyAt(state.count));
    assertEquals("val", value, state.data.getValueAt(state.count));
    state.count++;
    assertTrue("count should not exceed size but was " + state.count,
        state.count <= state.data.size());
  }
};

@Test
public void testGetValueAt() throws Exception {
  final SortedArrayStringMap original = new SortedArrayStringMap();
  original.putValue("a", "avalue");
  assertEquals("a", original.getKeyAt(0));
  assertEquals("avalue", original.getValueAt(0));
  original.putValue("B", "Bvalue");
  assertEquals("B", original.getKeyAt(0));
  assertEquals("Bvalue", original.getValueAt(0));
  assertEquals("a", original.getKeyAt(1));
  assertEquals("avalue", original.getValueAt(1));
  original.putValue("3", "3value");
  assertEquals("3", original.getKeyAt(0));
  assertEquals("3value", original.getValueAt(0));
  assertEquals("B", original.getKeyAt(1));
  assertEquals("Bvalue", original.getValueAt(1));
  assertEquals("a", original.getKeyAt(2));
  assertEquals("avalue", original.getValueAt(2));
}

@Test
public void testGetValue_GetValueAt() throws Exception {
  final SortedArrayStringMap original = new SortedArrayStringMap();
  original.putValue("a", "avalue");
  original.putValue("B", "Bvalue");
  original.putValue("3", "3value");
  assertEquals("avalue", original.getValue("a"));
  assertEquals("avalue", original.getValueAt(2));
  assertEquals("Bvalue", original.getValue("B"));
  assertEquals("Bvalue", original.getValueAt(1));
  assertEquals("3value", original.getValue("3"));
  assertEquals("3value", original.getValueAt(0));
  original.putValue("0", "0value");
  assertEquals("0value", original.getValue("0"));
  assertEquals("0value", original.getValueAt(0));
  assertEquals("3value", original.getValue("3"));
  assertEquals("3value", original.getValueAt(1));
  assertEquals("Bvalue", original.getValue("B"));
  assertEquals("Bvalue", original.getValueAt(2));
  assertEquals("avalue", original.getValue("a"));
  assertEquals("avalue", original.getValueAt(3));
}

@Test
public void testPutInsertsInAlphabeticOrder() throws Exception {
  final SortedArrayStringMap original = new SortedArrayStringMap();
  original.putValue("a", "avalue");
  original.putValue("B", "Bvalue");
  original.putValue("3", "3value");
  original.putValue("c", "cvalue");
  original.putValue("d", "dvalue");
  assertEquals("avalue", original.getValue("a"));
  assertEquals("avalue", original.getValueAt(2));
  assertEquals("Bvalue", original.getValue("B"));
  assertEquals("Bvalue", original.getValueAt(1));
  assertEquals("3value", original.getValue("3"));
  assertEquals("3value", original.getValueAt(0));
  assertEquals("cvalue", original.getValue("c"));
  assertEquals("cvalue", original.getValueAt(3));
  assertEquals("dvalue", original.getValue("d"));
  assertEquals("dvalue", original.getValueAt(4));
}

@Test
public void testPutValueInsertsInAlphabeticOrder() throws Exception {
  final SortedArrayStringMap original = new SortedArrayStringMap();
  original.putValue("a", "avalue");
  original.putValue("B", "Bvalue");
  original.putValue("3", "3value");
  original.putValue("c", "cvalue");
  original.putValue("d", "dvalue");
  assertEquals("avalue", original.getValue("a"));
  assertEquals("avalue", original.getValueAt(2));
  assertEquals("Bvalue", original.getValue("B"));
  assertEquals("Bvalue", original.getValueAt(1));
  assertEquals("3value", original.getValue("3"));
  assertEquals("3value", original.getValueAt(0));
  assertEquals("cvalue", original.getValue("c"));
  assertEquals("cvalue", original.getValueAt(3));
  assertEquals("dvalue", original.getValue("d"));
  assertEquals("dvalue", original.getValueAt(4));
}

@Test
public void testRemoveNullsOutRemovedSlot() throws Exception {
  final SortedArrayStringMap original = new SortedArrayStringMap();
  original.putValue("a", "avalue");
  original.putValue("b", "bvalue");
  original.putValue("c", "cvalue");
  original.putValue("d", "dvalue");
  original.remove("a");
  original.remove("b");
  original.remove("c");
  original.remove("d");
  assertNull(original.getValueAt(0));
  // ensure slots in the values array are nulled out
  final Field f = SortedArrayStringMap.class.getDeclaredField("values");
  f.setAccessible(true);
  final Object[] values = (Object[]) f.get(original);
  for (int i = 0; i < values.length; i++) {
    assertNull(values[i]);
  }
}

@Override
public Map<String, String> toMap() {
  final Map<String, String> result = new HashMap<>(size());
  for (int i = 0; i < size(); i++) {
    final Object value = getValueAt(i);
    result.put(getKeyAt(i), value == null ? null : String.valueOf(value));
  }
  return result;
}