when(backingMap.putIfAbsent(eq(KEY), isA(AtomicInteger.class))).thenReturn(existingZero);
    // since the putIfAbsent returned a zero, we'll try to replace...
    when(backingMap.replace(eq(KEY), eq(existingZero), isA(AtomicInteger.class))).thenReturn(false);
    // ...and then putIfAbsent. Simulate failure on both
    when(backingMap.putIfAbsent(eq(KEY), isA(AtomicInteger.class))).thenReturn(existing);

    wdir=`cd "$wdir/.."; pwd`
  done
  echo "$basedir"
)
}

find_file_argument_basedir() {
(
  basedir=`pwd`

  found_file_switch=0
  for arg in "$@"; do
    if [ ${found_file_switch} -eq 1 ]; then
      if [ -d "${arg}" ]; then
        basedir=`cd "${arg}" && pwd -P`
      elif [ -f "${arg}" ]; then
        basedir=`dirname "${arg}"`
        basedir=`cd "$basedir" && pwd -P`