Bugfix: add missing transition from finish state.

include/rapidjson/reader.h

@@ -947,6 +947,11 @@ private:
 		case IterativeParsingArrayContentState:
 			r = TransitFromArrayStates<parseFlags>(state, is, handler);
 			break;
+		case IterativeParsingFinishState:
+			// Any token appears after finish state leads to error state.
+			r = IterativeParsingErrorState;
+			RAPIDJSON_PARSE_ERROR_NORETURN(kParseErrorDocumentRootNotSingular, is.Tell());
+			break;
 		}
 
 		return r;

test/unittest/readertest.cpp

@@ -900,6 +900,16 @@ TEST(Reader, IterativeParsing_ElementCounting) {
 	EXPECT_EQ(1, handler.ElementCount);
 }
 
+TEST(Reader, IterativeParsing_AfterFinishState) {
+	StringStream json("{}, {}");
+	Reader reader;
+	BaseReaderHandler<> handler;
+	
+	reader.IterativeParse<kParseIterativeFlag>(json, handler);
+
+	EXPECT_TRUE(reader.HasParseError());
+}
+
 #ifdef __GNUC__
 #pragma GCC diagnostic pop
 #endif