new(test): added a test to avoid future issues with LoadAll().

Signed-off-by: Federico Di Pierro <nierro92@gmail.com>

test/integration/node_spec_test.cpp

@@ -941,6 +941,13 @@ TEST(NodeSpecTest, Ex7_24_FlowNodes) {
   EXPECT_EQ("", doc[4].as<std::string>());
 }
 
+TEST(NodeSpecTest, Ex7_25_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).
+  ASSERT_THROW(LoadAll(ex7_25), ParserException);
+}
+
 TEST(NodeSpecTest, Ex8_1_BlockScalarHeader) {
   Node doc = Load(ex8_1);
   EXPECT_EQ(4, doc.size());

test/specexamples.h

@@ -687,6 +687,9 @@ const char *ex7_24 =
     "- *anchor\n"
     "- !!str";
 
+const char *ex7_25 =
+    ",";
+
 const char *ex8_1 =
     "- | # Empty header\n"
     " literal\n"