/*
 * 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 limitations under
 * the License.
 */
package org.apache.geode.cache.query.internal;

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

import org.junit.Test;
import org.junit.experimental.categories.Category;

import org.apache.geode.test.junit.categories.UnitTest;

@Category(UnitTest.class)
public class QueryExecutionContextJUnitTest {

  @Test
  public void testNullReturnedFromCacheGetWhenNoValueWasPut() {
    Object key = new Object();
    QueryExecutionContext context = new QueryExecutionContext(null, null);
    assertNull(context.cacheGet(key));
  }

  @Test
  public void testPutValueReturnedFromCacheGet() {
    Object key = new Object();
    Object value = new Object();
    QueryExecutionContext context = new QueryExecutionContext(null, null);
    context.cachePut(key, value);
    assertEquals(value, context.cacheGet(key));
  }

  @Test
  public void testDefaultReturnedFromCacheGetWhenNoValueWasPut() {
    Object key = new Object();
    Object value = new Object();
    QueryExecutionContext context = new QueryExecutionContext(null, null);
    assertEquals(value, context.cacheGet(key, value));
  }

  @Test
  public void testExecCachesCanBePushedAndValuesRetrievedAtTheCorrectLevel() {
    Object key = new Object();
    Object value = new Object();
    QueryExecutionContext context = new QueryExecutionContext(null, null);
    context.pushExecCache(1);
    context.cachePut(key, value);
    context.pushExecCache(2);
    assertNull(context.cacheGet(key));
    context.popExecCache();
    assertEquals(value, context.cacheGet(key));
  }

}