1 files changed, 116 insertions, 0 deletions
diff --git a/ext/spl/tests/observer_001.phpt b/ext/spl/tests/observer_001.phpt
new file mode 100644
index 0000000..e7d72b9
--- /dev/null
+++ b/ext/spl/tests/observer_001.phpt
@@ -0,0 +1,116 @@
+--TEST--
+SPL: SplObserver and SplSubject (empty notify)
+--FILE--
+<?php
+
+class ObserverImpl implements SplObserver
+{
+	protected $name = '';
+
+	function __construct($name = 'obj')
+	{
+		$this->name = '$' . $name;
+	}
+
+	function update(SplSubject $subject)
+	{
+		echo $this->name . '->' . __METHOD__ . '(' . $subject->getName() . ");\n";
+	}
+	
+	function getName()
+	{
+		return $this->name;
+	}
+}
+
+class SubjectImpl implements SplSubject
+{
+	protected $name = '';
+	protected $observers = array();
+
+	function __construct($name = 'sub')
+	{
+		$this->name = '$' . $name;
+	}
+
+    function attach(SplObserver $observer)
+    {
+    	echo '$sub->' . __METHOD__ . '(' . $observer->getName() . ");\n";
+    	if (!in_array($observer, $this->observers))
+    	{
+	    	$this->observers[] = $observer;
+	    }
+    }
+
+    function detach(SplObserver $observer)
+    {
+    	echo '$sub->' . __METHOD__ . '(' . $observer->getName() . ");\n";
+    	$idx = array_search($observer, $this->observers);
+    	if ($idx !== false)
+    	{
+    		unset($this->observers[$idx]);
+    	}
+    }
+
+    function notify()
+    {
+    	echo '$sub->' . __METHOD__ . "();\n";
+    	foreach($this->observers as $observer)
+    	{
+    		$observer->update($this);
+    	}
+    }
+
+	function getName()
+	{
+		return $this->name;
+	}
+}
+
+$sub = new SubjectImpl;
+
+$ob1 = new ObserverImpl("ob1");
+$ob2 = new ObserverImpl("ob2");
+$ob3 = new ObserverImpl("ob3");
+
+$sub->attach($ob1);
+$sub->attach($ob1);
+$sub->attach($ob2);
+$sub->attach($ob3);
+
+$sub->notify();
+
+$sub->detach($ob3);
+
+$sub->notify();
+
+$sub->detach($ob2);
+$sub->detach($ob1);
+
+$sub->notify();
+
+$sub->attach($ob3);
+
+$sub->notify();
+?>
+===DONE===
+--EXPECT--
+$sub->SubjectImpl::attach($ob1);
+$sub->SubjectImpl::attach($ob1);
+$sub->SubjectImpl::attach($ob2);
+$sub->SubjectImpl::attach($ob3);
+$sub->SubjectImpl::notify();
+$ob1->ObserverImpl::update($sub);
+$ob2->ObserverImpl::update($sub);
+$ob3->ObserverImpl::update($sub);
+$sub->SubjectImpl::detach($ob3);
+$sub->SubjectImpl::notify();
+$ob1->ObserverImpl::update($sub);
+$ob2->ObserverImpl::update($sub);
+$sub->SubjectImpl::detach($ob2);
+$sub->SubjectImpl::detach($ob1);
+$sub->SubjectImpl::notify();
+$sub->SubjectImpl::attach($ob3);
+$sub->SubjectImpl::notify();
+$ob3->ObserverImpl::update($sub);
+===DONE===