From 5158ee903be463c189a80715f92235ceb04871a7 Mon Sep 17 00:00:00 2001
From: Arseny Kapoulkine <arseny.kapoulkine@gmail.com>
Date: Tue, 14 Apr 2015 19:19:13 -0700
Subject: Fix xpath_node_set assignment to provide strong exception guarantee

Since the type of the set was updated before assignment, assigning in
out-of-memory condition could change the type to not match the content.
---
 tests/test_xpath_api.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'tests/test_xpath_api.cpp')

diff --git a/tests/test_xpath_api.cpp b/tests/test_xpath_api.cpp
index df078a0..4fc5be3 100644
--- a/tests/test_xpath_api.cpp
+++ b/tests/test_xpath_api.cpp
@@ -381,15 +381,20 @@ TEST_XML(xpath_api_node_set_assign_out_of_memory_preserve, "<node><a/><b/></node
 {
 	xpath_node_set ns = doc.select_nodes(STR("node/*"));
 	CHECK(ns.size() == 2);
+	CHECK(ns.type() == xpath_node_set::type_sorted);
 
 	xpath_node_set nsall = doc.select_nodes(STR("//*"));
+	nsall.sort(true);
 	CHECK(nsall.size() == 3);
+	CHECK(nsall.type() == xpath_node_set::type_sorted_reverse);
 
 	test_runner::_memory_fail_threshold = 1;
 
 	CHECK_ALLOC_FAIL(ns = nsall);
 
-	CHECK(ns.size() == 2 && ns[0] == doc.child(STR("node")).child(STR("a")) && ns[1] == doc.child(STR("node")).child(STR("b")));
+	CHECK(ns.size() == 2);
+	CHECK(ns.type() == xpath_node_set::type_sorted);
+	CHECK(ns[0] == doc.child(STR("node")).child(STR("a")) && ns[1] == doc.child(STR("node")).child(STR("b")));
 }
 
 TEST_XML(xpath_api_deprecated_select_single_node, "<node><head/><foo id='1'/><foo/><tail/></node>")
-- 
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