| /* |
| * 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. |
| */ |
| |
| namespace Apache.Ignite.Core.Tests.Binary |
| { |
| using Apache.Ignite.Core.Binary; |
| using Apache.Ignite.Core.Impl.Binary; |
| using Apache.Ignite.Core.Impl.Binary.IO; |
| using NUnit.Framework; |
| |
| /// <summary> |
| /// Equality comparers test. |
| /// </summary> |
| public class BinaryEqualityComparerTest |
| { |
| /// <summary> |
| /// Tests simple equality. |
| /// </summary> |
| [Test] |
| public void TestSimpleEquality() |
| { |
| var obj = GetBinaryObject(1, "x", 0); |
| |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(null, null)); |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(obj, obj)); |
| |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj, null)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(null, obj)); |
| |
| Assert.AreEqual(0, BinaryArrayEqualityComparer.GetHashCode(null)); |
| Assert.AreNotEqual(0, BinaryArrayEqualityComparer.GetHashCode(obj)); |
| } |
| |
| /// <summary> |
| /// Tests hash code on a stream. |
| /// </summary> |
| [Test] |
| public void TestStreamHashCode() |
| { |
| var ms = new BinaryHeapStream(10); |
| |
| Assert.AreEqual(1, BinaryArrayEqualityComparer.GetHashCode(ms, 0, 0)); |
| |
| ms.WriteByte(1); |
| Assert.AreEqual(31 + 1, BinaryArrayEqualityComparer.GetHashCode(ms, 0, 1)); |
| |
| ms.WriteByte(3); |
| Assert.AreEqual((31 + 1) * 31 + 3, BinaryArrayEqualityComparer.GetHashCode(ms, 0, 2)); |
| } |
| |
| /// <summary> |
| /// Tests binary objects comparisons. |
| /// </summary> |
| [Test] |
| public void TestBinaryObjects() |
| { |
| var obj1 = GetBinaryObject(1, "foo", 11); |
| var obj2 = GetBinaryObject(1, "bar", 11); |
| var obj3 = GetBinaryObject(2, "foo", 11); |
| var obj4 = GetBinaryObject(2, "bar", 11); |
| var obj5 = GetBinaryObject(1, "foo", 11); |
| var obj6 = GetBinaryObject(1, "foo", 12); |
| |
| // Equals. |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(obj1, obj1)); |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(obj1, obj5)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj1, obj2)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj1, obj3)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj1, obj4)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj1, obj6)); |
| |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(obj2, obj2)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj2, obj5)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj2, obj3)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj2, obj4)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj2, obj6)); |
| |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(obj3, obj3)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj3, obj5)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj3, obj4)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj3, obj6)); |
| |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(obj4, obj4)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj4, obj5)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj4, obj6)); |
| |
| Assert.IsTrue(BinaryArrayEqualityComparer.Equals(obj5, obj5)); |
| Assert.IsFalse(BinaryArrayEqualityComparer.Equals(obj5, obj6)); |
| |
| // BinaryObject.GetHashCode. |
| Assert.AreEqual(1934949494, obj1.GetHashCode()); |
| Assert.AreEqual(-2013102781, obj2.GetHashCode()); |
| Assert.AreEqual(1424415317, obj3.GetHashCode()); |
| Assert.AreEqual(1771330338, obj4.GetHashCode()); |
| Assert.AreEqual(obj1.GetHashCode(), obj5.GetHashCode()); |
| Assert.AreEqual(1934979285, BinaryArrayEqualityComparer.GetHashCode(obj6)); |
| |
| // Comparer.GetHashCode. |
| Assert.AreEqual(2001751043, BinaryArrayEqualityComparer.GetHashCode(GetBinaryObject(0, null, 0))); |
| Assert.AreEqual(194296580, BinaryArrayEqualityComparer.GetHashCode(GetBinaryObject(1, null, 0))); |
| Assert.AreEqual(1934949494, BinaryArrayEqualityComparer.GetHashCode(obj1)); |
| Assert.AreEqual(-2013102781, BinaryArrayEqualityComparer.GetHashCode(obj2)); |
| Assert.AreEqual(1424415317, BinaryArrayEqualityComparer.GetHashCode(obj3)); |
| Assert.AreEqual(1771330338, BinaryArrayEqualityComparer.GetHashCode(obj4)); |
| Assert.AreEqual(BinaryArrayEqualityComparer.GetHashCode(obj1), BinaryArrayEqualityComparer.GetHashCode(obj5)); |
| Assert.AreEqual(1934979285, BinaryArrayEqualityComparer.GetHashCode(obj6)); |
| |
| // GetHashCode consistency. |
| foreach (var obj in new[] {obj1, obj2, obj3, obj4, obj5, obj6}) |
| Assert.AreEqual(obj.GetHashCode(), BinaryArrayEqualityComparer.GetHashCode(obj)); |
| } |
| |
| /// <summary> |
| /// Gets the binary object. |
| /// </summary> |
| private static IBinaryObject GetBinaryObject(int id, string name, int raw) |
| { |
| var marsh = new Marshaller(new BinaryConfiguration(typeof(Foo))); |
| |
| var bytes = marsh.Marshal(new Foo {Id = id, Name = name, Raw = raw}); |
| |
| return marsh.Unmarshal<IBinaryObject>(bytes, BinaryMode.ForceBinary); |
| } |
| |
| private class Foo : IBinarizable |
| { |
| public int Id { get; set; } |
| public string Name { get; set; } |
| public int Raw { get; set; } |
| |
| public void WriteBinary(IBinaryWriter writer) |
| { |
| writer.WriteInt("id", Id); |
| writer.WriteString("name", Name); |
| |
| writer.GetRawWriter().WriteInt(Raw); |
| } |
| |
| public void ReadBinary(IBinaryReader reader) |
| { |
| Id = reader.ReadInt("id"); |
| Name = reader.ReadString("name"); |
| |
| Raw = reader.GetRawReader().ReadInt(); |
| } |
| } |
| } |
| } |