From 9940f71578eb3dacc2f7fd595ef03ca31920a24f Mon Sep 17 00:00:00 2001
From: Rhodri James <rhodri@kynesim.co.uk>
Date: Tue, 20 Jun 2017 14:58:42 +0100
Subject: [PATCH] Test parameter entity marked SYSTEM but with no ID

---
 expat/tests/runtests.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/expat/tests/runtests.c b/expat/tests/runtests.c
index 4d7863ea..de43f96a 100644
--- a/expat/tests/runtests.c
+++ b/expat/tests/runtests.c
@@ -6767,6 +6767,18 @@ START_TEST(test_bad_entity_3)
 }
 END_TEST
 
+START_TEST(test_bad_entity_4)
+{
+    const char *text =
+        "<!DOCTYPE doc [\n"
+        "  <!ENTITY % foo SYSTEM>\n"
+        "]>\n"
+        "<doc/>";
+    expect_failure(text, XML_ERROR_SYNTAX,
+                   "Parameter ENTITY without Public ID is not rejected");
+}
+END_TEST
+
 /*
  * Namespaces tests.
  */
@@ -12257,6 +12269,7 @@ make_suite(void)
     tcase_add_test(tc_basic, test_bad_entity);
     tcase_add_test(tc_basic, test_bad_entity_2);
     tcase_add_test(tc_basic, test_bad_entity_3);
+    tcase_add_test(tc_basic, test_bad_entity_4);
 
     suite_add_tcase(s, tc_namespace);
     tcase_add_checked_fixture(tc_namespace,
-- 
2.40.0