geode-core/src/integrationTest/java/org/apache/geode/pdx/PdxInstanceJUnitTest.java - geode - Git at Google

 /*
  * 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.pdx;

 import static org.apache.geode.distributed.ConfigurationProperties.DISTRIBUTED_SYSTEM_ID;
 import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT;
 import static org.assertj.core.api.Assertions.assertThat;

 import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
 import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.math.BigInteger;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Date;
 import java.util.HashMap;

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

 import org.apache.geode.DataSerializer;
 import org.apache.geode.cache.CacheFactory;
 import org.apache.geode.internal.HeapDataOutputStream;
 import org.apache.geode.internal.cache.GemFireCacheImpl;
 import org.apache.geode.internal.serialization.Version;
 import org.apache.geode.pdx.internal.EnumInfo.PdxInstanceEnumInfo;
 import org.apache.geode.pdx.internal.PdxInstanceFactoryImpl;
 import org.apache.geode.test.dunit.cache.internal.JUnit4CacheTestCase;
 import org.apache.geode.test.junit.categories.SerializationTest;

 @Category({SerializationTest.class})
 public class PdxInstanceJUnitTest extends JUnit4CacheTestCase {

   private GemFireCacheImpl cache;
   private int allFieldCount;

   @Before
   public void setUp() {
     // make it a loner
     cache = (GemFireCacheImpl) new CacheFactory().set(MCAST_PORT, "0")
         .set(DISTRIBUTED_SYSTEM_ID, "255").setPdxReadSerialized(true).create();
   }

   @After
   public void tearDown() {
     cache.close();
   }

   @Test
   public void testGetField() throws IOException, ClassNotFoundException {
     PdxInstance instance = getPdx(new TestPdx() {
       @Override
       public void toData(PdxWriter out) {
         out.writeBoolean("field1", false);
         out.writeInt("field2", 53);
         out.writeObject("field3", new TestPdx() {
           @Override
           public void toData(PdxWriter writer) {
             writer.writeString("afield", "hello");
           }

         });
       }
     });

     assertThat(instance.getFieldNames()).containsExactly("field1", "field2", "field3");
     assertThat(instance.getField("field2")).isEqualTo(53);
     assertThat(instance.getField("field1")).isEqualTo(false);
     PdxInstance fieldInstance = (PdxInstance) instance.getField("field3");
     assertThat(fieldInstance.getFieldNames()).containsExactly("afield");
     assertThat(fieldInstance.getField("afield")).isEqualTo("hello");
   }

   @Test
   public void testHashCodeAndEqualsSameType() throws IOException, ClassNotFoundException {
     PdxInstance instance = getAllFields(0);
     assertThat(instance).isEqualTo(getAllFields(0));
     assertThat(instance.hashCode()).isEqualTo(getAllFields(0).hashCode());

     for (int i = 1; i < allFieldCount + 1; i++) {
       PdxInstance other = getAllFields(i);
       assertThat(instance.equals(other))
           .withFailMessage("One field " + i + " hashcode have been unequal but were equal"
               + instance.getField("field" + (i - 1)) + ", " + other.getField("field" + (i - 1))
               + ", "
               + instance + ", " + other)
           .isFalse();
       // Technically, this could be true. If this asserts fails I guess we can just change the test.
       assertThat(instance.hashCode()).withFailMessage(
           "One field " + i + " hashcode have been unequal but were equal" + instance + ", " + other)
           .isNotEqualTo(other.hashCode());
     }
   }

   @Test
   public void testEquals() {
     PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("testEquals", false, cache);
     c.writeInt("intField", 37);
     PdxInstance pi = c.create();
     assertThat(pi.equals(null)).isFalse();
     assertThat(pi.equals(new Date(37))).isFalse();
     c = PdxInstanceFactoryImpl.newCreator("testEquals", false, cache);
     c.writeInt("intField", 37);
     c.writeInt("intField2", 38);
     PdxInstance pi2 = c.create();
     assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isFalse();
     assertThat(pi2.equals(pi)).isFalse();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new Date());
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", null);
     pi2 = c.create();
     assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isFalse();
     assertThat(pi2.equals(pi)).isFalse();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new int[] {1});
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new byte[] {(byte) 1});
     pi2 = c.create();
     assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isFalse();
     assertThat(pi2.equals(pi)).isFalse();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new int[] {1});
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new int[] {2});
     pi2 = c.create();
     assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isFalse();
     assertThat(pi2.equals(pi)).isFalse();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new int[] {1});
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new int[] {1});
     pi2 = c.create();
     assertThat(pi.hashCode()).isEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isTrue();
     assertThat(pi2.equals(pi)).isTrue();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new int[] {1});
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new Date());
     pi2 = c.create();
     assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isFalse();
     assertThat(pi2.equals(pi)).isFalse();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new Date[] {new Date(1)});
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new Date[] {new Date(2)});
     pi2 = c.create();
     assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isFalse();
     assertThat(pi2.equals(pi)).isFalse();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new Date[] {new Date(1)});
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", new Date[] {new Date(1)});
     pi2 = c.create();
     assertThat(pi.hashCode()).isEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isTrue();
     assertThat(pi2.equals(pi)).isTrue();

     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", MyEnum.ONE);
     pi = c.create();
     c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
     c.writeObject("objField", MyEnum.ONE);
     pi2 = c.create();
     assertThat(pi.hashCode()).isEqualTo(pi2.hashCode());
     assertThat(pi.equals(pi2)).isTrue();
     assertThat(pi2.equals(pi)).isTrue();
   }

   public enum MyEnum {
     ONE, TWO
   }

   public enum MyComplexEnum {
     ONE {},
     TWO {}
   }

   @Test
   public void testPdxComplexEnum() {
     PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("testPdxEnum", false, cache);
     c.writeObject("enumField", MyComplexEnum.ONE);
     PdxInstance pi = c.create();
     Object f = pi.getField("enumField");
     assertThat(f).isInstanceOf(PdxInstanceEnumInfo.class);
     PdxInstanceEnumInfo e = (PdxInstanceEnumInfo) f;
     assertThat(e.getName()).isEqualTo("ONE");
     cache.getPdxRegistry().flushCache();
     assertThat(e.getObject()).isEqualTo(MyComplexEnum.ONE);
   }

   @Test
   public void testPdxSimpleEnum() {
     PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("testPdxEnum", false, cache);
     c.writeObject("enumField", MyEnum.ONE);
     PdxInstance pi = c.create();
     Object f = pi.getField("enumField");
     assertThat(f).isInstanceOf(PdxInstanceEnumInfo.class);
     PdxInstanceEnumInfo e = (PdxInstanceEnumInfo) f;
     assertThat(e.getName()).isEqualTo("ONE");
     cache.getPdxRegistry().flushCache();
     assertThat(e.getObject()).isEqualTo(MyEnum.ONE);
   }

   @Test
   public void testEqualsDifferentTypes() throws IOException, ClassNotFoundException {
     PdxInstance instance1 = getPdx(new TestPdx() {
       @Override
       public void toData(PdxWriter writer) {
         writer.writeBoolean("field1", true);
       }
     });

     PdxInstance instance2 = getPdx(new TestPdx() {
       @Override
       public void toData(PdxWriter writer) {
         writer.writeBoolean("field1", true);
       }
     });

     // These are different classes, so they shouldn't match.
     assertThat(instance1.equals(instance2)).isFalse();
     assertThat(instance1.isIdentityField("field1")).isFalse();
   }

   @Test
   public void testHashCodeEqualsOutOfOrderFields()
       throws IOException, ClassNotFoundException, NoSuchMethodException, InstantiationException,
       IllegalAccessException, InvocationTargetException {
     PdxSerializable serializable1 = getSeparateClassLoadedPdx(true);
     PdxInstance instance1 = getPdx(serializable1);
     PdxSerializable serializable2 = getSeparateClassLoadedPdx(false);
     PdxInstance instance2 = getPdx(serializable2);

     assertThat(instance2).isEqualTo(instance1);
     assertThat(instance2.hashCode()).isEqualTo(instance1.hashCode());
   }

   @Test
   public void testIdentityFields() throws IOException, ClassNotFoundException {
     PdxInstance instance1 = getPdx(getPdxSerializable(new TestPdx() {
       @Override
       public void toData(PdxWriter out) {
         out.writeInt("field2", 53);
         out.writeBoolean("field1", false);
         out.markIdentityField("field2");
       }
     }));

     PdxInstance instance2 = getPdx(getPdxSerializable(new TestPdx() {
       @Override
       public void toData(PdxWriter out) {
         out.writeInt("field2", 53);
         out.writeBoolean("field1", true);
         out.markIdentityField("field2");
       }
     }));

     assertThat(instance2).isEqualTo(instance1);
     assertThat(instance2.hashCode()).isEqualTo(instance1.hashCode());
     assertThat(instance1.isIdentityField("field1")).isFalse();
     assertThat(instance1.isIdentityField("field2")).isTrue();
   }

   // This is hack to make sure the classnames are the same
   // for every call to this method, even if the toDatas are different.
   private PdxSerializable getPdxSerializable(final TestPdx toData) {
     return new TestPdx() {
       @Override
       public void toData(PdxWriter writer) {
         toData.toData(writer);
       }
     };
   }

   private PdxSerializable getSeparateClassLoadedPdx(boolean field1First)
       throws ClassNotFoundException, NoSuchMethodException, InstantiationException,
       IllegalAccessException, InvocationTargetException {
     ClassLoader parent = Thread.currentThread().getContextClassLoader();
     ClassLoader loader1 = new NonDelegatingLoader(parent);
     Class<?> clazz1 =
         loader1.loadClass(getClass().getPackage().getName() + ".SeparateClassloaderPdx");
     Constructor<?> constructor = clazz1.getConstructor(boolean.class);
     constructor.setAccessible(true);
     return (PdxSerializable) constructor.newInstance(field1First);
   }

   private PdxInstance getAllFields(final int change) throws IOException, ClassNotFoundException {
     return getPdx(new TestPdx() {
       @Override
       public void toData(PdxWriter out) {
         int x = 0;
         Number serializable1 = new BigInteger("1234");
         Number serializable2 = new BigInteger("1235");
         Collection<Number> collection1 = new ArrayList<>();
         collection1.add(serializable1);
         collection1.add(serializable2);
         Collection<Number> collection2 = new ArrayList<>();
         collection2.add(serializable2);
         collection2.add(serializable1);
         SimpleClass testPdx1 = new SimpleClass(5, (byte) 5);
         SimpleClass testPdx2 = new SimpleClass(6, (byte) 6);
         HashMap<Number, Number> map1 = new HashMap<>();
         HashMap<Number, Number> map2 = new HashMap<>();
         map2.put(serializable1, serializable2);


         out.writeChar("field" + x++, change == x ? 'c' : 'd');
         out.writeBoolean("field" + x++, change == x);
         out.writeByte("field" + x++, (byte) (change == x ? 0x5 : 0x6));
         out.writeShort("field" + x++, (short) (change == x ? 7 : 8));
         out.writeInt("field" + x++, change == x ? 9 : 10);
         out.writeLong("field" + x++, change == x ? 55555555 : 666666666);
         out.writeFloat("field" + x++, change == x ? 23.44f : 23.55f);
         out.writeDouble("field" + x++, change == x ? 28.7777 : 29.3333);
         out.writeDate("field" + x++, change == x ? new Date(23L) : new Date(25L));
         // out.writeEnum("field" + x++, change==x ? Enum<?> e: );
         out.writeString("field" + x++, change == x ? "hello" : "world");
         out.writeObject("field" + x++, change == x ? serializable1 : serializable2);
         out.writeObject("field" + x++, change == x ? testPdx1 : testPdx2);
         out.writeObject("field" + x++, change == x ? map1 : map2);
         out.writeObject("field" + x++, change == x ? collection1 : collection2);
         // out.writeRegion("field" + x++, change==x ? region1: region2);
         out.writeBooleanArray("field" + x++,
             change == x ? new boolean[] {false, true} : new boolean[] {true, false});
         out.writeCharArray("field" + x++,
             change == x ? new char[] {'a', 'b'} : new char[] {'a', 'c'});
         out.writeByteArray("field" + x++,
             change == x ? new byte[] {0, 1, 2} : new byte[] {0, 1, 3});
         out.writeShortArray("field" + x++,
             change == x ? new short[] {0, 1, 4} : new short[] {0, 1, 5});
         out.writeIntArray("field" + x++, change == x ? new int[] {0, 1, 4} : new int[] {0, 1, 5});
         out.writeLongArray("field" + x++,
             change == x ? new long[] {0, 1, 4} : new long[] {0, 1, 5});
         out.writeFloatArray("field" + x++,
             change == x ? new float[] {0, 1, 4} : new float[] {0, 1, 5});
         out.writeDoubleArray("field" + x++,
             change == x ? new double[] {0, 1, 4} : new double[] {0, 1, 5});
         out.writeStringArray("field" + x++,
             change == x ? new String[] {"a", "b"} : new String[] {"a", "c"});
         out.writeObjectArray("field" + x++,
             change == x ? new Object[] {collection1, serializable1} : new Object[] {serializable2});
         out.writeArrayOfByteArrays("field" + x++,
             change == x ? new byte[][] {{1, 2}} : new byte[][] {{2, 2}});
         allFieldCount = x;
       }
     });
   }

   private PdxInstance getPdx(PdxSerializable toData) throws IOException, ClassNotFoundException {
     HeapDataOutputStream out = new HeapDataOutputStream(Version.CURRENT);
     DataSerializer.writeObject(toData, out);
     return DataSerializer
         .readObject(new DataInputStream(new ByteArrayInputStream(out.toByteArray())));
   }


   abstract static class TestPdx implements PdxSerializable {

     @Override
     public void fromData(PdxReader in) {}

   }

 }
	/*
	* 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.pdx;

	import static org.apache.geode.distributed.ConfigurationProperties.DISTRIBUTED_SYSTEM_ID;
	import static org.apache.geode.distributed.ConfigurationProperties.MCAST_PORT;
	import static org.assertj.core.api.Assertions.assertThat;

	import java.io.ByteArrayInputStream;
	import java.io.DataInputStream;
	import java.io.IOException;
	import java.lang.reflect.Constructor;
	import java.lang.reflect.InvocationTargetException;
	import java.math.BigInteger;
	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Date;
	import java.util.HashMap;

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

	import org.apache.geode.DataSerializer;
	import org.apache.geode.cache.CacheFactory;
	import org.apache.geode.internal.HeapDataOutputStream;
	import org.apache.geode.internal.cache.GemFireCacheImpl;
	import org.apache.geode.internal.serialization.Version;
	import org.apache.geode.pdx.internal.EnumInfo.PdxInstanceEnumInfo;
	import org.apache.geode.pdx.internal.PdxInstanceFactoryImpl;
	import org.apache.geode.test.dunit.cache.internal.JUnit4CacheTestCase;
	import org.apache.geode.test.junit.categories.SerializationTest;

	@Category({SerializationTest.class})
	public class PdxInstanceJUnitTest extends JUnit4CacheTestCase {

	private GemFireCacheImpl cache;
	private int allFieldCount;

	@Before
	public void setUp() {
	// make it a loner
	cache = (GemFireCacheImpl) new CacheFactory().set(MCAST_PORT, "0")
	.set(DISTRIBUTED_SYSTEM_ID, "255").setPdxReadSerialized(true).create();
	}

	@After
	public void tearDown() {
	cache.close();
	}

	@Test
	public void testGetField() throws IOException, ClassNotFoundException {
	PdxInstance instance = getPdx(new TestPdx() {
	@Override
	public void toData(PdxWriter out) {
	out.writeBoolean("field1", false);
	out.writeInt("field2", 53);
	out.writeObject("field3", new TestPdx() {
	@Override
	public void toData(PdxWriter writer) {
	writer.writeString("afield", "hello");
	}

	});
	}
	});

	assertThat(instance.getFieldNames()).containsExactly("field1", "field2", "field3");
	assertThat(instance.getField("field2")).isEqualTo(53);
	assertThat(instance.getField("field1")).isEqualTo(false);
	PdxInstance fieldInstance = (PdxInstance) instance.getField("field3");
	assertThat(fieldInstance.getFieldNames()).containsExactly("afield");
	assertThat(fieldInstance.getField("afield")).isEqualTo("hello");
	}

	@Test
	public void testHashCodeAndEqualsSameType() throws IOException, ClassNotFoundException {
	PdxInstance instance = getAllFields(0);
	assertThat(instance).isEqualTo(getAllFields(0));
	assertThat(instance.hashCode()).isEqualTo(getAllFields(0).hashCode());

	for (int i = 1; i < allFieldCount + 1; i++) {
	PdxInstance other = getAllFields(i);
	assertThat(instance.equals(other))
	.withFailMessage("One field " + i + " hashcode have been unequal but were equal"
	+ instance.getField("field" + (i - 1)) + ", " + other.getField("field" + (i - 1))
	+ ", "
	+ instance + ", " + other)
	.isFalse();
	// Technically, this could be true. If this asserts fails I guess we can just change the test.
	assertThat(instance.hashCode()).withFailMessage(
	"One field " + i + " hashcode have been unequal but were equal" + instance + ", " + other)
	.isNotEqualTo(other.hashCode());
	}
	}

	@Test
	public void testEquals() {
	PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("testEquals", false, cache);
	c.writeInt("intField", 37);
	PdxInstance pi = c.create();
	assertThat(pi.equals(null)).isFalse();
	assertThat(pi.equals(new Date(37))).isFalse();
	c = PdxInstanceFactoryImpl.newCreator("testEquals", false, cache);
	c.writeInt("intField", 37);
	c.writeInt("intField2", 38);
	PdxInstance pi2 = c.create();
	assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isFalse();
	assertThat(pi2.equals(pi)).isFalse();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new Date());
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", null);
	pi2 = c.create();
	assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isFalse();
	assertThat(pi2.equals(pi)).isFalse();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new int[] {1});
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new byte[] {(byte) 1});
	pi2 = c.create();
	assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isFalse();
	assertThat(pi2.equals(pi)).isFalse();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new int[] {1});
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new int[] {2});
	pi2 = c.create();
	assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isFalse();
	assertThat(pi2.equals(pi)).isFalse();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new int[] {1});
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new int[] {1});
	pi2 = c.create();
	assertThat(pi.hashCode()).isEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isTrue();
	assertThat(pi2.equals(pi)).isTrue();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new int[] {1});
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new Date());
	pi2 = c.create();
	assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isFalse();
	assertThat(pi2.equals(pi)).isFalse();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new Date[] {new Date(1)});
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new Date[] {new Date(2)});
	pi2 = c.create();
	assertThat(pi.hashCode()).isNotEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isFalse();
	assertThat(pi2.equals(pi)).isFalse();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new Date[] {new Date(1)});
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", new Date[] {new Date(1)});
	pi2 = c.create();
	assertThat(pi.hashCode()).isEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isTrue();
	assertThat(pi2.equals(pi)).isTrue();

	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", MyEnum.ONE);
	pi = c.create();
	c = PdxInstanceFactoryImpl.newCreator("testEqualsOF", false, cache);
	c.writeObject("objField", MyEnum.ONE);
	pi2 = c.create();
	assertThat(pi.hashCode()).isEqualTo(pi2.hashCode());
	assertThat(pi.equals(pi2)).isTrue();
	assertThat(pi2.equals(pi)).isTrue();
	}

	public enum MyEnum {
	ONE, TWO
	}

	public enum MyComplexEnum {
	ONE {},
	TWO {}
	}

	@Test
	public void testPdxComplexEnum() {
	PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("testPdxEnum", false, cache);
	c.writeObject("enumField", MyComplexEnum.ONE);
	PdxInstance pi = c.create();
	Object f = pi.getField("enumField");
	assertThat(f).isInstanceOf(PdxInstanceEnumInfo.class);
	PdxInstanceEnumInfo e = (PdxInstanceEnumInfo) f;
	assertThat(e.getName()).isEqualTo("ONE");
	cache.getPdxRegistry().flushCache();
	assertThat(e.getObject()).isEqualTo(MyComplexEnum.ONE);
	}

	@Test
	public void testPdxSimpleEnum() {
	PdxInstanceFactory c = PdxInstanceFactoryImpl.newCreator("testPdxEnum", false, cache);
	c.writeObject("enumField", MyEnum.ONE);
	PdxInstance pi = c.create();
	Object f = pi.getField("enumField");
	assertThat(f).isInstanceOf(PdxInstanceEnumInfo.class);
	PdxInstanceEnumInfo e = (PdxInstanceEnumInfo) f;
	assertThat(e.getName()).isEqualTo("ONE");
	cache.getPdxRegistry().flushCache();
	assertThat(e.getObject()).isEqualTo(MyEnum.ONE);
	}

	@Test
	public void testEqualsDifferentTypes() throws IOException, ClassNotFoundException {
	PdxInstance instance1 = getPdx(new TestPdx() {
	@Override
	public void toData(PdxWriter writer) {
	writer.writeBoolean("field1", true);
	}
	});

	PdxInstance instance2 = getPdx(new TestPdx() {
	@Override
	public void toData(PdxWriter writer) {
	writer.writeBoolean("field1", true);
	}
	});

	// These are different classes, so they shouldn't match.
	assertThat(instance1.equals(instance2)).isFalse();
	assertThat(instance1.isIdentityField("field1")).isFalse();
	}

	@Test
	public void testHashCodeEqualsOutOfOrderFields()
	throws IOException, ClassNotFoundException, NoSuchMethodException, InstantiationException,
	IllegalAccessException, InvocationTargetException {
	PdxSerializable serializable1 = getSeparateClassLoadedPdx(true);
	PdxInstance instance1 = getPdx(serializable1);
	PdxSerializable serializable2 = getSeparateClassLoadedPdx(false);
	PdxInstance instance2 = getPdx(serializable2);

	assertThat(instance2).isEqualTo(instance1);
	assertThat(instance2.hashCode()).isEqualTo(instance1.hashCode());
	}

	@Test
	public void testIdentityFields() throws IOException, ClassNotFoundException {
	PdxInstance instance1 = getPdx(getPdxSerializable(new TestPdx() {
	@Override
	public void toData(PdxWriter out) {
	out.writeInt("field2", 53);
	out.writeBoolean("field1", false);
	out.markIdentityField("field2");
	}
	}));

	PdxInstance instance2 = getPdx(getPdxSerializable(new TestPdx() {
	@Override
	public void toData(PdxWriter out) {
	out.writeInt("field2", 53);
	out.writeBoolean("field1", true);
	out.markIdentityField("field2");
	}
	}));

	assertThat(instance2).isEqualTo(instance1);
	assertThat(instance2.hashCode()).isEqualTo(instance1.hashCode());
	assertThat(instance1.isIdentityField("field1")).isFalse();
	assertThat(instance1.isIdentityField("field2")).isTrue();
	}

	// This is hack to make sure the classnames are the same
	// for every call to this method, even if the toDatas are different.
	private PdxSerializable getPdxSerializable(final TestPdx toData) {
	return new TestPdx() {
	@Override
	public void toData(PdxWriter writer) {
	toData.toData(writer);
	}
	};
	}

	private PdxSerializable getSeparateClassLoadedPdx(boolean field1First)
	throws ClassNotFoundException, NoSuchMethodException, InstantiationException,
	IllegalAccessException, InvocationTargetException {
	ClassLoader parent = Thread.currentThread().getContextClassLoader();
	ClassLoader loader1 = new NonDelegatingLoader(parent);
	Class<?> clazz1 =
	loader1.loadClass(getClass().getPackage().getName() + ".SeparateClassloaderPdx");
	Constructor<?> constructor = clazz1.getConstructor(boolean.class);
	constructor.setAccessible(true);
	return (PdxSerializable) constructor.newInstance(field1First);
	}

	private PdxInstance getAllFields(final int change) throws IOException, ClassNotFoundException {
	return getPdx(new TestPdx() {
	@Override
	public void toData(PdxWriter out) {
	int x = 0;
	Number serializable1 = new BigInteger("1234");
	Number serializable2 = new BigInteger("1235");
	Collection<Number> collection1 = new ArrayList<>();
	collection1.add(serializable1);
	collection1.add(serializable2);
	Collection<Number> collection2 = new ArrayList<>();
	collection2.add(serializable2);
	collection2.add(serializable1);
	SimpleClass testPdx1 = new SimpleClass(5, (byte) 5);
	SimpleClass testPdx2 = new SimpleClass(6, (byte) 6);
	HashMap<Number, Number> map1 = new HashMap<>();
	HashMap<Number, Number> map2 = new HashMap<>();
	map2.put(serializable1, serializable2);


	out.writeChar("field" + x++, change == x ? 'c' : 'd');
	out.writeBoolean("field" + x++, change == x);
	out.writeByte("field" + x++, (byte) (change == x ? 0x5 : 0x6));
	out.writeShort("field" + x++, (short) (change == x ? 7 : 8));
	out.writeInt("field" + x++, change == x ? 9 : 10);
	out.writeLong("field" + x++, change == x ? 55555555 : 666666666);
	out.writeFloat("field" + x++, change == x ? 23.44f : 23.55f);
	out.writeDouble("field" + x++, change == x ? 28.7777 : 29.3333);
	out.writeDate("field" + x++, change == x ? new Date(23L) : new Date(25L));
	// out.writeEnum("field" + x++, change==x ? Enum<?> e: );
	out.writeString("field" + x++, change == x ? "hello" : "world");
	out.writeObject("field" + x++, change == x ? serializable1 : serializable2);
	out.writeObject("field" + x++, change == x ? testPdx1 : testPdx2);
	out.writeObject("field" + x++, change == x ? map1 : map2);
	out.writeObject("field" + x++, change == x ? collection1 : collection2);
	// out.writeRegion("field" + x++, change==x ? region1: region2);
	out.writeBooleanArray("field" + x++,
	change == x ? new boolean[] {false, true} : new boolean[] {true, false});
	out.writeCharArray("field" + x++,
	change == x ? new char[] {'a', 'b'} : new char[] {'a', 'c'});
	out.writeByteArray("field" + x++,
	change == x ? new byte[] {0, 1, 2} : new byte[] {0, 1, 3});
	out.writeShortArray("field" + x++,
	change == x ? new short[] {0, 1, 4} : new short[] {0, 1, 5});
	out.writeIntArray("field" + x++, change == x ? new int[] {0, 1, 4} : new int[] {0, 1, 5});
	out.writeLongArray("field" + x++,
	change == x ? new long[] {0, 1, 4} : new long[] {0, 1, 5});
	out.writeFloatArray("field" + x++,
	change == x ? new float[] {0, 1, 4} : new float[] {0, 1, 5});
	out.writeDoubleArray("field" + x++,
	change == x ? new double[] {0, 1, 4} : new double[] {0, 1, 5});
	out.writeStringArray("field" + x++,
	change == x ? new String[] {"a", "b"} : new String[] {"a", "c"});
	out.writeObjectArray("field" + x++,
	change == x ? new Object[] {collection1, serializable1} : new Object[] {serializable2});
	out.writeArrayOfByteArrays("field" + x++,
	change == x ? new byte[][] {{1, 2}} : new byte[][] {{2, 2}});
	allFieldCount = x;
	}
	});
	}

	private PdxInstance getPdx(PdxSerializable toData) throws IOException, ClassNotFoundException {
	HeapDataOutputStream out = new HeapDataOutputStream(Version.CURRENT);
	DataSerializer.writeObject(toData, out);
	return DataSerializer
	.readObject(new DataInputStream(new ByteArrayInputStream(out.toByteArray())));
	}



	abstract static class TestPdx implements PdxSerializable {

	@Override
	public void fromData(PdxReader in) {}

	}

	}