From 604861e520d2d6579674a1c2bd5e59cb10f7ecd2 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 10 Mar 2015 09:03:22 -0700
Subject: Escape ?> sequence in PI value during printing

This prevents malformed PI value from breaking the document structure.
---
 tests/test_write.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'tests/test_write.cpp')

diff --git a/tests/test_write.cpp b/tests/test_write.cpp
index da83745..59cdb3e 100644
--- a/tests/test_write.cpp
+++ b/tests/test_write.cpp
@@ -115,6 +115,25 @@ TEST(write_pi_null)
 	CHECK_NODE(doc, STR("<?:anonymous value?>"));
 }
 
+TEST(write_pi_invalid)
+{
+	xml_document doc;
+	xml_node node = doc.append_child(node_pi);
+
+	node.set_name(STR("test"));
+	node.set_value(STR("?"));
+
+	CHECK_NODE(doc, STR("<?test ?" "?>"));
+
+	node.set_value(STR("?>"));
+
+	CHECK_NODE(doc, STR("<?test ? >?>"));
+
+	node.set_value(STR("<?foo?>"));
+
+	CHECK_NODE(doc, STR("<?test <?foo? >?>"));
+}
+
 TEST_XML_FLAGS(write_declaration, "<?xml version='2.0'?>", parse_declaration | parse_fragment)
 {
 	CHECK_NODE(doc, STR("<?xml version=\"2.0\"?>"));
-- 
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