- Add another LSB test

1 files changed, 95 insertions, 0 deletions

diff --git a/Zend/tests/lsb_018.phpt b/Zend/tests/lsb_018.phpt
new file mode 100755
index 0000000000..5a678d1853
--- /dev/null
+++ b/Zend/tests/lsb_018.phpt
@@ -0,0 +1,95 @@
+--TEST--
+ZE2 Late Static Binding and Singleton
+--FILE--
+<?php
+abstract class Singleton
+{
+	static private $instances = array();
+	static private $nextInstanceId = 0;
+	private $instanceId = NULL;
+	static final public function getInstance()
+	{
+		$caller = get_called_class();
+		if (!isset(self::$instances[$caller])) {
+			self::$instances[$caller] = new $caller;
+			self::$instances[$caller]->instanceId = self::$nextInstanceId++;
+		}
+		return self::$instances[$caller];
+	}
+	public final function getInstanceId()
+	{
+		return $this->instanceId;
+	}
+	public final function identify()
+	{
+		var_dump($this);
+	}
+}
+
+class Foo extends Singleton {
+}
+
+class Bar extends Singleton {
+}
+
+class Baz extends Bar {
+}
+
+$u = Foo::getInstance();
+$v = Bar::getInstance();
+$w = Baz::getInstance();
+
+$u->identify();
+$v->identify();
+$w->identify();
+
+$x = Foo::getInstance();
+$y = Bar::getInstance();
+$z = Baz::getInstance();
+
+$u->identify();
+$v->identify();
+$w->identify();
+$x->identify();
+$y->identify();
+$z->identify();
+?>
+===DONE===
+--EXPECTF--
+object(Foo)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(0)
+}
+object(Bar)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(1)
+}
+object(Baz)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(2)
+}
+object(Foo)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(0)
+}
+object(Bar)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(1)
+}
+object(Baz)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(2)
+}
+object(Foo)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(0)
+}
+object(Bar)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(1)
+}
+object(Baz)#%d (1) {
+  ["instanceId":"Singleton":private]=>
+  int(2)
+}
+===DONE===