diff --git a/tests/xcache_deep_copy_arg_info.phpt b/tests/xcache_deep_copy_arg_info.phpt
new file mode 100644
index 0000000..d398c93
--- /dev/null
+++ b/tests/xcache_deep_copy_arg_info.phpt
@@ -0,0 +1,15 @@
+--TEST--
+xcache requires deep copying arg info
+--INI--
+xcache.readonly_protection=0
+--FILE--
+<?php
+function a($a = 1) {
+	echo $a;
+}
+a();
+a(2);
+echo PHP_EOL;
+?>
+--EXPECT--
+12
diff --git a/tests/xcache_deep_copy_static_variables.phpt b/tests/xcache_deep_copy_static_variables.phpt
new file mode 100644
index 0000000..b019e3a
--- /dev/null
+++ b/tests/xcache_deep_copy_static_variables.phpt
@@ -0,0 +1,11 @@
+--TEST--
+xcache requires deep copying static variables in shallow copy mode
+--INI--
+xcache.readonly_protection=0
+--FILE--
+<?php
+static $a = array(1);
+echo $a[0], PHP_EOL;
+?>
+--EXPECT--
+1