- Add test to verify all iterator methods can throw

tests/classes/iterators_007.phpt

@@ -0,0 +1,43 @@
+--TEST--
+ZE2 iterators and exceptions
+--FILE--
+<?
+class Test implements Iterator
+{
+	public $arr = array(1, 2, 3);
+	public $x = 0;
+	
+	public function rewind()    { if ($this->x == 0) throw new Exception(__METHOD__); reset($this->arr); }
+	public function current()   { if ($this->x == 1) throw new Exception(__METHOD__); return current($this->arr); }
+	public function key()       { if ($this->x == 2) throw new Exception(__METHOD__); return key($this->arr); }
+	public function next()      { if ($this->x == 3) throw new Exception(__METHOD__); next($this->arr); }
+	public function valid()     { if ($this->x == 4) throw new Exception(__METHOD__); return (key($this->arr) !== NULL); }
+}
+
+$t = new Test();
+
+while($t->x < 5)
+{
+	try
+	{
+	    foreach($t as $k => $v)
+	    {
+	        echo "Current\n";
+	    }
+	}
+	catch(Exception $e)
+	{
+	    echo "Caught in " . $e->getMessage() . "()\n";
+	}
+	$t->x++;
+}
+?>
+===DONE===
+--EXPECT--
+Caught in Test::rewind()
+Caught in Test::current()
+Caught in Test::key()
+Current
+Caught in Test::next()
+Caught in Test::valid()
+===DONE===