Cloners now offer their methods as static members for easy access in non-service oriented applications; began implementing the expression tree cloner

git-svn-id: file:///srv/devel/repo-conversion/nusu@228 d2e56fa2-650e-0410-a79f-9358c0239efd

Source/Cloning/ExpressionTreeCloner.Test.cs

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+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2010 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 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]
+  public class ExpressionTreeClonerTest : CloneFactoryTest {
+
+    /// <summary>Initializes a new unit test suite for the reflection cloner</summary>
+    public ExpressionTreeClonerTest() {
+      this.cloneFactory = new ExpressionTreeCloner();
+    }
+
+    /// <summary>Verifies that clones of primitive types can be created</summary>
+    [Test]
+    public void PrimitiveTypesCanBeCloned() {
+      int original = 12345;
+      int clone = this.cloneFactory.ShallowClone(original, false);
+      Assert.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.ShallowClone(original, false);
+
+      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.DeepClone(original, false);
+
+      Assert.AreNotSame(original[0], clone[0]);
+      Assert.AreEqual(original[0].TestField, clone[0].TestField);
+      Assert.AreEqual(original[0].TestProperty, clone[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.DeepClone(original, false);
+
+      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.DeepClone(original, false);
+
+      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.ShallowClone(original, false);
+      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.ShallowClone(original, false);
+      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.DeepClone(original, false);
+      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.DeepClone(original, false);
+      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.ShallowClone(original, true);
+      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.ShallowClone(original, true);
+      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.DeepClone(original, true);
+      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.DeepClone(original, true);
+      VerifyClone(original, clone, isDeepClone: true, isPropertyBasedClone: true);
+    }
+
+    /// <summary>Clone factory being tested</summary>
+    private ICloneFactory cloneFactory;
+
+  }
+
+} // namespace Nuclex.Support.Cloning
+
+#endif // UNITTEST