- Add new tests

tests/classes/inheritance_003.phpt

@@ -0,0 +1,20 @@
+--TEST--
+ZE2 method inheritance without interfaces
+--FILE--
+<?php
+
+class A
+{
+	function f($x) {}
+}
+
+class B extends A
+{
+	function f() {}
+}
+
+?>
+===DONE===
+--EXPECTF--
+
+Fatal error: Declaration of B::f() must be compatible with that of A::f() in %sinheritance_003.php on line %d

tests/classes/inheritance_004.phpt

@@ -0,0 +1,20 @@
+--TEST--
+ZE2 method inheritance without interfaces
+--FILE--
+<?php
+
+class A
+{
+	function f() {}
+}
+
+class B extends A
+{
+	function f($x) {}
+}
+
+?>
+===DONE===
+--EXPECTF--
+
+Fatal error: Declaration of B::f() must be compatible with that of A::f() in %sinheritance_004.php on line %d