test: add case demonstrating bug

test/integration/load_node_test.cpp

@@ -368,13 +368,18 @@ TEST(NodeTest, LoadCommaSeparatedStrings) {
   EXPECT_THROW(Load(R"(,foo)"), ParserException);
 }
 
-TEST(NodeSpecTest, InfiniteLoopNodes) {
+TEST(NodeTest, InfiniteLoopNodes) {
   // Until yaml-cpp <= 0.8.0 this caused an infinite loop;
   // After, it triggers an exception (but LoadAll is smart enough to avoid
   // the infinite loop in any case).
   EXPECT_THROW(LoadAll(R"(,)"), ParserException);
 }
 
+TEST(NodeTest, MultipleDocuments) {
+  std::vector<Node> docs = LoadAll("\n---\n---\nA\n");
+  EXPECT_EQ(docs.size(), 2);
+}
+
 struct NewLineStringsTestCase {
   std::string input;
   std::string expected_content;