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* 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
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*/
package org.elasticsearch.common.bytes;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.hamcrest.Matchers;
import java.io.IOException;
public class BytesArrayTests extends AbstractBytesReferenceTestCase {
@Override
protected BytesReference newBytesReference(int length) throws IOException {
// we know bytes stream output always creates a paged bytes reference, we use it to create randomized content
final BytesStreamOutput out = new BytesStreamOutput(length);
for (int i = 0; i < length; i++) {
out.writeByte((byte) random().nextInt(1 << 8));
}
assertEquals(length, out.size());
BytesArray ref = new BytesArray(out.bytes().toBytesRef());
assertEquals(length, ref.length());
assertTrue(ref instanceof BytesArray);
assertThat(ref.length(), Matchers.equalTo(length));
return ref;
}
public void testArray() throws IOException {
int[] sizes = {0, randomInt(PAGE_SIZE), PAGE_SIZE, randomIntBetween(2, PAGE_SIZE * randomIntBetween(2, 5))};
for (int i = 0; i < sizes.length; i++) {
BytesArray pbr = (BytesArray) newBytesReference(sizes[i]);
byte[] array = pbr.array();
assertNotNull(array);
assertEquals(sizes[i], array.length);
assertSame(array, pbr.array());
}
}
public void testArrayOffset() throws IOException {
int length = randomInt(PAGE_SIZE * randomIntBetween(2, 5));
BytesArray pbr = (BytesArray) newBytesReference(length);
assertEquals(0, pbr.offset());
}
}