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* 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
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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.common.xcontent.XContentType;
import org.elasticsearch.test.ESTestCase;
import org.junit.Test;
import java.io.IOException;
public class CborXContentParserTests extends ESTestCase {
@Test
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 = XContentFactory.xContent(XContentType.CBOR).createParser(ref);
while (parser.nextToken() != null) {
parser.utf8Bytes();
}
}
}
}