exec/memory/base/src/test/java/org/apache/drill/exec/memory/TestEndianess.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
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 */
package org.apache.drill.exec.memory;

import static org.junit.Assert.assertEquals;
import io.netty.buffer.ByteBuf;

import org.apache.drill.categories.MemoryTest;
import org.apache.drill.common.DrillAutoCloseables;
import org.apache.drill.common.config.DrillConfig;
import org.apache.drill.test.BaseTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;

@Category(MemoryTest.class)
public class TestEndianess extends BaseTest {

  @Test
  public void testLittleEndian() {
    final BufferAllocator a = new RootAllocator(DrillConfig.getMaxDirectMemory());
    final ByteBuf b = a.buffer(4);
    b.setInt(0, 35);
    assertEquals(b.getByte(0), 35);
    assertEquals(b.getByte(1), 0);
    assertEquals(b.getByte(2), 0);
    assertEquals(b.getByte(3), 0);
    b.release();
    DrillAutoCloseables.closeNoChecked(a);
  }

}