From 4881c650070f960173f8fa2e5f905600e291bb44 Mon Sep 17 00:00:00 2001
From: Sergei Golubchik <sergii@pisem.net>
Date: Mon, 17 Feb 2014 11:09:24 +0100
Subject: [PATCH] test case for MDEV-5689 ExtractValue(xml, 'substring(/x,/y)')
 crashes MySQL bug#12428404 MYSQLD.EXE CRASHES WHEN EXTRACTVALUE() IS CALLED
 WITH MALFORMED XPATH EXP

---
 mysql-test/r/xml.result | 3 +++
 mysql-test/t/xml.test   | 6 ++++++
 2 files changed, 9 insertions(+)

diff --git a/mysql-test/r/xml.result b/mysql-test/r/xml.result
index 999178a0d52..6c78e9eac55 100644
--- a/mysql-test/r/xml.result
+++ b/mysql-test/r/xml.result
@@ -1161,6 +1161,9 @@ UPDATEXML('<a><c><a>x</a></c></a>','(a)//a','<b />')
 SELECT ExtractValue('<a><a>aa</a><b>bb</b></a>','(a)/a|(a)/b');
 ExtractValue('<a><a>aa</a><b>bb</b></a>','(a)/a|(a)/b')
 aa bb
+SELECT ExtractValue('<a><b>abc</b><c>2</c><d>1</d></a>','substring(/a/b,..)');
+ExtractValue('<a><b>abc</b><c>2</c><d>1</d></a>','substring(/a/b,..)')
+
 #
 # End of 5.5 tests
 #
diff --git a/mysql-test/t/xml.test b/mysql-test/t/xml.test
index b36bd2067cc..7013a306270 100644
--- a/mysql-test/t/xml.test
+++ b/mysql-test/t/xml.test
@@ -673,6 +673,12 @@ SELECT UPDATEXML('<a><c><a>x</a></c></a>','(a)/a','<b />');
 SELECT UPDATEXML('<a><c><a>x</a></c></a>','(a)//a','<b />');
 SELECT ExtractValue('<a><a>aa</a><b>bb</b></a>','(a)/a|(a)/b');
 
+#
+# MDEV-5689 ExtractValue(xml, 'substring(/x,/y)') crashes
+# MySQL bug#12428404 MYSQLD.EXE CRASHES WHEN EXTRACTVALUE() IS CALLED WITH MALFORMED XPATH EXP
+#
+SELECT ExtractValue('<a><b>abc</b><c>2</c><d>1</d></a>','substring(/a/b,..)');
+
 --echo #
 --echo # End of 5.5 tests
 --echo #