geode-core/src/test/java/org/apache/geode/internal/offheap/OffHeapStoredObjectSliceJUnitTest.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
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package org.apache.geode.internal.offheap;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import org.junit.Test;


public class OffHeapStoredObjectSliceJUnitTest extends OffHeapStoredObjectJUnitTest {

  @Test
  public void sliceShouldHaveAValidDataSize() {
    int position = 1;
    int end = 2;

    OffHeapStoredObject chunk = createValueAsUnserializedStoredObject(getValue());
    OffHeapStoredObjectSlice slice = (OffHeapStoredObjectSlice) chunk.slice(position, end);

    assertNotNull(slice);
    assertEquals(OffHeapStoredObjectSlice.class, slice.getClass());

    assertEquals(end - position, slice.getDataSize());
  }

  @Test
  public void sliceShouldHaveAValidBaseDataAddress() {
    int position = 1;
    int end = 2;

    OffHeapStoredObject chunk = createValueAsUnserializedStoredObject(getValue());
    OffHeapStoredObjectSlice slice = (OffHeapStoredObjectSlice) chunk.slice(position, end);

    assertNotNull(slice);
    assertEquals(OffHeapStoredObjectSlice.class, slice.getClass());

    assertEquals(chunk.getBaseDataAddress() + position, slice.getBaseDataAddress());
  }

  @Test
  public void sliceShouldHaveAValidBaseOffset() {
    int position = 1;
    int end = 2;

    OffHeapStoredObject chunk = createValueAsUnserializedStoredObject(getValue());
    OffHeapStoredObjectSlice slice = (OffHeapStoredObjectSlice) chunk.slice(position, end);

    assertNotNull(slice);
    assertEquals(OffHeapStoredObjectSlice.class, slice.getClass());

    assertEquals(chunk.getBaseDataOffset() + position, slice.getBaseDataOffset());
  }
}