adds tests for shallow copy

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@1384 c26eb9a1-5813-0410-bd6c-c2e55f420ca7

tests/xcache_deep_copy_opcodes_for_const.phpt

@@ -0,0 +1,9 @@
+--TEST--
+xcache requires deep copying opcodes for __FILE__ and __DIR__
+--INI--
+--FILE--
+<?php
+echo __FILE__, PHP_EOL;
+?>
+--EXPECTF--
+%sxcache_deep_copy_opcodes_for_const%s

tests/xcache_shallow_copy_check_early_binding.phpt

@@ -0,0 +1,14 @@
+--TEST--
+xcache shallow copying precondition: early binding changes constant inside opcode for PHP5.2-
+--SKIPIF--
+<?php
+if (version_compare(PHP_VERSION, "5.3", ">=")) {
+	die("skip only needed for PHP 5.2 or less");
+}
+?>
+--FILE--
+<?php
+class A extends Exception {
+}
+?>
+--EXPECT--