/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership. Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/
package io.crate.operation.scalar;
import org.apache.lucene.util.BytesRef;
import org.junit.Test;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.is;
public class SubstrFunctionBytesRefTest {
@Test
public void testNoCopy() throws Exception {
BytesRef ref = new BytesRef("i do not want to be copied!");
BytesRef sub1 = SubstrFunction.substring(ref, 0, 10);
BytesRef sub2 = SubstrFunction.substring(ref, 5, 14);
assertThat(sub1.utf8ToString(), is("i do not w"));
assertThat(sub2.utf8ToString(), is("not want "));
assertThat(ref.bytes, allOf(is(sub2.bytes), is(sub1.bytes)));
}
}