From bcee6525d1f10e48b0d7b75edaa079b8bf74e122 Mon Sep 17 00:00:00 2001
From: Rhodri James <rhodri@kynesim.co.uk>
Date: Mon, 6 Feb 2017 18:30:36 +0000
Subject: [PATCH] Check entity parsing policy can't be changed mid-parse

---
 expat/tests/runtests.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/expat/tests/runtests.c b/expat/tests/runtests.c
index 05f204c0..62d8171e 100644
--- a/expat/tests/runtests.c
+++ b/expat/tests/runtests.c
@@ -1848,6 +1848,9 @@ START_TEST(test_user_parameters)
         xml_failure(parser);
     if (comment_count != 2)
         fail("Comment handler not invoked enough times");
+    /* Ensure we can't change policy mid-parse */
+    if (XML_SetParamEntityParsing(parser, XML_PARAM_ENTITY_PARSING_NEVER))
+        fail("Changed param entity parsing policy while parsing");
     if (_XML_Parse_SINGLE_BYTES(parser, epilog, strlen(epilog),
                                 XML_TRUE) == XML_STATUS_ERROR)
         xml_failure(parser);