/* * Licensed to Elasticsearch under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Elasticsearch licenses this file to you under * the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.elasticsearch.common.xcontent.cbor; import org.elasticsearch.common.bytes.BytesReference; import org.elasticsearch.common.xcontent.XContentFactory; import org.elasticsearch.common.xcontent.XContentParser; import org.elasticsearch.test.ESTestCase; import java.io.IOException; public class CborXContentParserTests extends ESTestCase { public void testEmptyValue() throws IOException { BytesReference ref = XContentFactory.cborBuilder().startObject().field("field", "").endObject().bytes(); for (int i = 0; i < 2; i++) { // Running this part twice triggers the issue. // See https://github.com/elastic/elasticsearch/issues/8629 XContentParser parser = createParser(CborXContent.cborXContent, ref); while (parser.nextToken() != null) { parser.utf8Bytes(); } } } }