--TEST--
SPL: AppendIterator
--FILE--
<?php

echo "===Empty===\n";

$it = new AppendIterator;

foreach($it as $key=>$val)
{
    echo "$key=>$val\n";
}

echo "===Append===\n";

$it->append(new ArrayIterator(array(0 => 'A', 1 => 'B')));

foreach($it as $key=>$val)
{
    echo "$key=>$val\n";
}

echo "===Rewind===\n";

foreach($it as $key=>$val)
{
    echo "$key=>$val\n";
}

echo "===Append===\n";

$it->append(new ArrayIterator(array(2 => 'C', 3 => 'D')));

foreach(new NoRewindIterator($it) as $key=>$val)
{
    echo "$key=>$val\n";
}

echo "===Rewind===\n";

foreach($it as $key=>$val)
{
    echo "$key=>$val\n";
}

?>
--EXPECT--
===Empty===
===Append===
0=>A
1=>B
===Rewind===
0=>A
1=>B
===Append===
2=>C
3=>D
===Rewind===
0=>A
1=>B
2=>C
3=>D