From 36d8911ecb490e7eb90c68ba34c2b9a9a821612c Mon Sep 17 00:00:00 2001
From: Rhodri James <rhodri@kynesim.co.uk>
Date: Fri, 9 Jun 2017 15:23:38 +0100
Subject: [PATCH] Test ASCII-like unknown encoding correctly rejects invalid
 characters

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

diff --git a/expat/tests/runtests.c b/expat/tests/runtests.c
index 33c6df3a..53b4b19c 100644
--- a/expat/tests/runtests.c
+++ b/expat/tests/runtests.c
@@ -5511,6 +5511,18 @@ START_TEST(test_unknown_ascii_encoding_ok)
 }
 END_TEST
 
+START_TEST(test_unknown_ascii_encoding_fail)
+{
+    const char *text =
+        "<?xml version='1.0' encoding='experimental'?>\n"
+        "<doc>Hello, \x80 world</doc>";
+
+    XML_SetUnknownEncodingHandler(parser, AsciiAsUnknownEncodingHandler, NULL);
+    expect_failure(text, XML_ERROR_INVALID_TOKEN,
+                   "Invalid character not faulted");
+}
+END_TEST
+
 
 /*
  * Namespaces tests.
@@ -10777,6 +10789,7 @@ make_suite(void)
     tcase_add_test(tc_basic, test_unknown_encoding_long_name_2);
     tcase_add_test(tc_basic, test_invalid_unknown_encoding);
     tcase_add_test(tc_basic, test_unknown_ascii_encoding_ok);
+    tcase_add_test(tc_basic, test_unknown_ascii_encoding_fail);
 
     suite_add_tcase(s, tc_namespace);
     tcase_add_checked_fixture(tc_namespace,
-- 
2.40.0