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-rw-r--r--mysql-test/t/xml.test11
1 files changed, 11 insertions, 0 deletions
diff --git a/mysql-test/t/xml.test b/mysql-test/t/xml.test
index 1d16652ab1e..6c7d9af1b63 100644
--- a/mysql-test/t/xml.test
+++ b/mysql-test/t/xml.test
@@ -533,3 +533,14 @@ select UpdateXML('<a>a</a>',repeat('a b ',1000),'');
select ExtractValue('<a>a</a>', '/a[@x=@y0123456789_0123456789_0123456789_0123456789]');
--error 1105
select ExtractValue('<a>a</a>', '/a[@x=$y0123456789_0123456789_0123456789_0123456789]');
+
+#
+# Bug #31438: updatexml still crashes
+#
+
+select updatexml(NULL, 1, 1), updatexml(1, NULL, 1), updatexml(1, 1, NULL);
+select updatexml(NULL, NULL, 1), updatexml(1, NULL, NULL),
+ updatexml(NULL, 1, NULL);
+select updatexml(NULL, NULL, NULL);
+
+--echo End of 5.1 tests