Nuclex.Support/Source/Cloning/ExpressionTreeCloner.Test.cs

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#region CPL License
/*
Nuclex Framework
Copyright (C) 2002-2017 Nuclex Development Labs
This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
IBM Common Public License for more details.
You should have received a copy of the IBM Common Public
License along with this library
*/
#endregion
#if !NO_SETS
#if UNITTEST
using System;
using System.Collections.Generic;
using NUnit.Framework;
namespace Nuclex.Support.Cloning {
/// <summary>Unit Test for the expression tree-based cloner</summary>
[TestFixture]
internal class ExpressionTreeClonerTest : CloneFactoryTest {
/// <summary>Initializes a new unit test suite for the reflection cloner</summary>
public ExpressionTreeClonerTest() {
this.cloneFactory = new ExpressionTreeCloner();
}
/// <summary>Verifies that cloning a null object simply returns null</summary>
[Test]
public void CloningNullYieldsNull() {
Assert.IsNull(this.cloneFactory.DeepFieldClone<object>(null));
Assert.IsNull(this.cloneFactory.DeepPropertyClone<object>(null));
Assert.IsNull(this.cloneFactory.ShallowFieldClone<object>(null));
Assert.IsNull(this.cloneFactory.ShallowPropertyClone<object>(null));
}
/// <summary>
/// Verifies that clones of objects whose class doesn't possess a default constructor
/// can be made
/// </summary>
[Test]
public void ClassWithoutDefaultConstructorCanBeCloned() {
var original = new ClassWithoutDefaultConstructor(1234);
ClassWithoutDefaultConstructor clone = this.cloneFactory.DeepFieldClone(original);
Assert.AreNotSame(original, clone);
Assert.AreEqual(original.Dummy, clone.Dummy);
}
/// <summary>Verifies that clones of primitive types can be created</summary>
[Test]
public void PrimitiveTypesCanBeCloned() {
int original = 12345;
int clone = this.cloneFactory.DeepFieldClone(original);
Assert.AreEqual(original, clone);
}
/// <summary>Verifies that shallow clones of arrays can be made</summary>
[Test]
public void ReferenceTypesCanBeCloned() {
var original = new TestReferenceType() { TestField = 123, TestProperty = 456 };
TestReferenceType clone = this.cloneFactory.DeepFieldClone(original);
Assert.AreNotSame(original, clone);
Assert.AreEqual(original.TestField, clone.TestField);
Assert.AreEqual(original.TestProperty, clone.TestProperty);
}
/// <summary>Verifies that shallow clones of arrays can be made</summary>
[Test]
public void PrimitiveArraysCanBeCloned() {
var original = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
int[] clone = this.cloneFactory.DeepFieldClone(original);
Assert.AreNotSame(original, clone);
CollectionAssert.AreEqual(original, clone);
}
/// <summary>Verifies that shallow clones of arrays can be made</summary>
[Test]
public void ShallowClonesOfArraysCanBeMade() {
var original = new TestReferenceType[] {
new TestReferenceType() { TestField = 123, TestProperty = 456 }
};
TestReferenceType[] clone = this.cloneFactory.ShallowFieldClone(original);
Assert.AreSame(original[0], clone[0]);
}
/// <summary>Verifies that deep clones of arrays can be made</summary>
[Test]
public void DeepClonesOfArraysCanBeMade() {
var original = new TestReferenceType[,] {
{
new TestReferenceType() { TestField = 123, TestProperty = 456 }
}
};
TestReferenceType[,] clone = this.cloneFactory.DeepFieldClone(original);
Assert.AreNotSame(original[0, 0], clone[0, 0]);
Assert.AreEqual(original[0, 0].TestField, clone[0, 0].TestField);
Assert.AreEqual(original[0, 0].TestProperty, clone[0, 0].TestProperty);
}
/// <summary>Verifies that deep clones of a generic list can be made</summary>
[Test]
public void GenericListsCanBeCloned() {
var original = new List<int>(new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 });
List<int> clone = this.cloneFactory.DeepFieldClone(original);
CollectionAssert.AreEqual(original, clone);
}
/// <summary>Verifies that deep clones of a generic dictionary can be made</summary>
[Test]
public void GenericDictionariesCanBeCloned() {
var original = new Dictionary<int, string>();
original.Add(1, "one");
Dictionary<int, string> clone = this.cloneFactory.DeepFieldClone(original);
Assert.AreEqual("one", clone[1]);
}
/// <summary>
/// Verifies that a field-based shallow clone of a value type can be performed
/// </summary>
[Test]
public void ShallowFieldBasedClonesOfValueTypesCanBeMade() {
HierarchicalValueType original = CreateValueType();
HierarchicalValueType clone = this.cloneFactory.ShallowFieldClone(original);
VerifyClone(ref original, ref clone, isDeepClone: false, isPropertyBasedClone: false);
}
/// <summary>
/// Verifies that a field-based shallow clone of a reference type can be performed
/// </summary>
[Test]
public void ShallowFieldBasedClonesOfReferenceTypesCanBeMade() {
HierarchicalReferenceType original = CreateReferenceType();
HierarchicalReferenceType clone = this.cloneFactory.ShallowFieldClone(original);
VerifyClone(original, clone, isDeepClone: false, isPropertyBasedClone: false);
}
/// <summary>
/// Verifies that a field-based deep clone of a value type can be performed
/// </summary>
[Test]
public void DeepFieldBasedClonesOfValueTypesCanBeMade() {
HierarchicalValueType original = CreateValueType();
HierarchicalValueType clone = this.cloneFactory.DeepFieldClone(original);
VerifyClone(ref original, ref clone, isDeepClone: true, isPropertyBasedClone: false);
}
/// <summary>
/// Verifies that a field-based deep clone of a reference type can be performed
/// </summary>
[Test]
public void DeepFieldBasedClonesOfReferenceTypesCanBeMade() {
HierarchicalReferenceType original = CreateReferenceType();
HierarchicalReferenceType clone = this.cloneFactory.DeepFieldClone(original);
VerifyClone(original, clone, isDeepClone: true, isPropertyBasedClone: false);
}
/// <summary>
/// Verifies that a property-based shallow clone of a value type can be performed
/// </summary>
[Test]
public void ShallowPropertyBasedClonesOfValueTypesCanBeMade() {
HierarchicalValueType original = CreateValueType();
HierarchicalValueType clone = this.cloneFactory.ShallowPropertyClone(original);
VerifyClone(ref original, ref clone, isDeepClone: false, isPropertyBasedClone: true);
}
/// <summary>
/// Verifies that a property-based shallow clone of a reference type can be performed
/// </summary>
[Test]
public void ShallowPropertyBasedClonesOfReferenceTypesCanBeMade() {
HierarchicalReferenceType original = CreateReferenceType();
HierarchicalReferenceType clone = this.cloneFactory.ShallowPropertyClone(original);
VerifyClone(original, clone, isDeepClone: false, isPropertyBasedClone: true);
}
/// <summary>
/// Verifies that a property-based deep clone of a value type can be performed
/// </summary>
[Test]
public void DeepPropertyBasedClonesOfValueTypesCanBeMade() {
HierarchicalValueType original = CreateValueType();
HierarchicalValueType clone = this.cloneFactory.DeepPropertyClone(original);
VerifyClone(ref original, ref clone, isDeepClone: true, isPropertyBasedClone: true);
}
/// <summary>
/// Verifies that a property-based deep clone of a reference type can be performed
/// </summary>
[Test]
public void DeepPropertyBasedClonesOfReferenceTypesCanBeMade() {
HierarchicalReferenceType original = CreateReferenceType();
HierarchicalReferenceType clone = this.cloneFactory.DeepPropertyClone(original);
VerifyClone(original, clone, isDeepClone: true, isPropertyBasedClone: true);
}
/// <summary>Clone factory being tested</summary>
private ICloneFactory cloneFactory;
}
} // namespace Nuclex.Support.Cloning
#endif // UNITTEST
#endif // !NO_SETS