io.crate.expression.scalar.SubstrFunctionBytesRefTest.java Source code

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Here is the source code for io.crate.expression.scalar.SubstrFunctionBytesRefTest.java

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/*
 * 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.expression.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)));
    }

}