MFH: Add tests for ReflectionFunction::getExtension*().

ext/reflection/tests/ReflectionFunction_getExtension.phpt

@@ -0,0 +1,19 @@
+--TEST--
+ReflectionFunction::getExtension()
+--FILE--
+<?php
+function foo () {}
+
+$function = new ReflectionFunction('sort');
+var_dump($function->getExtension());
+
+$function = new ReflectionFunction('foo');
+var_dump($function->getExtension());
+?>
+--EXPECTF--
+object(ReflectionExtension)#%i (1) {
+  ["name"]=>
+  string(8) "standard"
+}
+NULL
+

ext/reflection/tests/ReflectionFunction_getExtensionName.phpt

@@ -0,0 +1,16 @@
+--TEST--
+ReflectionFunction::getExtensionName()
+--FILE--
+<?php
+function foo() {}
+
+$function = new ReflectionFunction('sort');
+var_dump($function->getExtensionName());
+
+$function = new ReflectionFunction('foo');
+var_dump($function->getExtensionName());
+?>
+--EXPECT--
+string(8) "standard"
+bool(false)
+