593 lines
24 KiB
C#
593 lines
24 KiB
C#
#region Apache License 2.0
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/*
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Nuclex .NET Framework
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Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#endregion // Apache License 2.0
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using System;
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using NUnit.Framework;
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namespace Nuclex.Support.Cloning {
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/// <summary>Base class for unit tests verifying the clone factory</summary>
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internal abstract class CloneFactoryTest {
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#region class DerivedReferenceType
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/// <summary>A derived reference type being used for testing</summary>
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protected class DerivedReferenceType : TestReferenceType {
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/// <summary>Field holding an integer value for testing</summary>
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public int DerivedField;
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/// <summary>Property holding an integer value for testing</summary>
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public int DerivedProperty { get; set; }
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}
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#endregion // class DerivedReferenceType
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#region class TestReferenceType
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/// <summary>A reference type being used for testing</summary>
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protected class TestReferenceType {
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/// <summary>Field holding an integer value for testing</summary>
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public int TestField;
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/// <summary>Property holding an integer value for testing</summary>
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public int TestProperty { get; set; }
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}
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#endregion // class TestReferenceType
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#region struct TestValueType
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/// <summary>A value type being used for testing</summary>
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protected struct TestValueType {
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/// <summary>Field holding an integer value for testing</summary>
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public int TestField;
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/// <summary>Property holding an integer value for testing</summary>
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public int TestProperty { get; set; }
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}
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#endregion // struct TestValueType
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#region struct HierarchicalValueType
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/// <summary>A value type containiner other complex types used for testing</summary>
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protected struct HierarchicalValueType {
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/// <summary>Field holding an integer value for testing</summary>
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public int TestField;
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/// <summary>Property holding an integer value for testing</summary>
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public int TestProperty { get; set; }
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/// <summary>Value type field for testing</summary>
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public TestValueType ValueTypeField;
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/// <summary>Value type property for testing</summary>
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public TestValueType ValueTypeProperty { get; set; }
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/// <summary>Reference type field for testing</summary>
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public TestReferenceType ReferenceTypeField;
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/// <summary>Reference type property for testing</summary>
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public TestReferenceType ReferenceTypeProperty { get; set; }
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/// <summary>An array field of reference types</summary>
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public TestReferenceType[,][] ReferenceTypeArrayField;
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/// <summary>An array property of reference types</summary>
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public TestReferenceType[,][] ReferenceTypeArrayProperty { get; set; }
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/// <summary>A reference type field that's always null</summary>
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public TestReferenceType AlwaysNullField;
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/// <summary>A reference type property that's always null</summary>
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public TestReferenceType AlwaysNullProperty { get; set; }
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/// <summary>A property that only has a getter</summary>
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public TestReferenceType GetOnlyProperty { get { return null; } }
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/// <summary>A property that only has a setter</summary>
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public TestReferenceType SetOnlyProperty { set { } }
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/// <summary>A read-only field</summary>
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public readonly TestValueType ReadOnlyField;
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/// <summary>Field typed as base class holding a derived instance</summary>
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public TestReferenceType DerivedField;
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/// <summary>Field typed as base class holding a derived instance</summary>
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public TestReferenceType DerivedProperty { get; set; }
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}
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#endregion // struct HierarchicalValueType
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#region struct HierarchicalReferenceType
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/// <summary>A value type containiner other complex types used for testing</summary>
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protected class HierarchicalReferenceType {
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/// <summary>Field holding an integer value for testing</summary>
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public int TestField;
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/// <summary>Property holding an integer value for testing</summary>
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public int TestProperty { get; set; }
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/// <summary>Value type field for testing</summary>
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public TestValueType ValueTypeField;
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/// <summary>Value type property for testing</summary>
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public TestValueType ValueTypeProperty { get; set; }
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/// <summary>Reference type field for testing</summary>
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public TestReferenceType ReferenceTypeField;
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/// <summary>Reference type property for testing</summary>
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public TestReferenceType ReferenceTypeProperty { get; set; }
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/// <summary>An array field of reference types</summary>
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public TestReferenceType[,][] ReferenceTypeArrayField;
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/// <summary>An array property of reference types</summary>
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public TestReferenceType[,][] ReferenceTypeArrayProperty { get; set; }
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/// <summary>A reference type field that's always null</summary>
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public TestReferenceType AlwaysNullField;
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/// <summary>A reference type property that's always null</summary>
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public TestReferenceType AlwaysNullProperty { get; set; }
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/// <summary>A property that only has a getter</summary>
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public TestReferenceType GetOnlyProperty { get { return null; } }
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/// <summary>A property that only has a setter</summary>
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public TestReferenceType SetOnlyProperty { set { } }
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/// <summary>A read-only field</summary>
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public readonly TestValueType ReadOnlyField;
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/// <summary>Field typed as base class holding a derived instance</summary>
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public TestReferenceType DerivedField;
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/// <summary>Field typed as base class holding a derived instance</summary>
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public TestReferenceType DerivedProperty { get; set; }
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}
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#endregion // struct HierarchicalReferenceType
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#region class ClassWithoutDefaultConstructor
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/// <summary>A class that does not have a default constructor</summary>
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public class ClassWithoutDefaultConstructor {
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/// <summary>
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/// Initializes a new instance of the class without default constructor
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/// </summary>
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/// <param name="dummy">Dummy value that will be saved by the instance</param>
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public ClassWithoutDefaultConstructor(int dummy) {
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this.dummy = dummy;
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}
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/// <summary>Dummy value that has been saved by the instance</summary>
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public int Dummy {
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get { return this.dummy; }
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}
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/// <summary>Dummy value that has been saved by the instance</summary>
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private int dummy;
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}
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#endregion // class ClassWithoutDefaultConstructor
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/// <summary>
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/// Verifies that a cloned object exhibits the expected state for the type of
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/// clone that has been performed
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/// </summary>
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/// <param name="original">Original instance the clone was created from</param>
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/// <param name="clone">Cloned instance that will be checked for correctness</param>
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/// <param name="isDeepClone">Whether the cloned instance is a deep clone</param>
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/// <param name="isPropertyBasedClone">
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/// Whether a property-based clone was performed
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/// </param>
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protected static void VerifyClone(
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HierarchicalReferenceType original, HierarchicalReferenceType clone,
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bool isDeepClone, bool isPropertyBasedClone
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) {
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Assert.AreNotSame(original, clone);
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if(isPropertyBasedClone) {
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Assert.AreEqual(0, clone.TestField);
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Assert.AreEqual(0, clone.ValueTypeField.TestField);
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Assert.AreEqual(0, clone.ValueTypeField.TestProperty);
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Assert.AreEqual(0, clone.ValueTypeProperty.TestField);
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Assert.IsNull(clone.ReferenceTypeField);
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Assert.IsNull(clone.DerivedField);
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if(isDeepClone) {
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Assert.AreNotSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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Assert.AreNotSame(original.DerivedProperty, clone.DerivedProperty);
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Assert.IsInstanceOf<DerivedReferenceType>(clone.DerivedProperty);
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var originalDerived = (DerivedReferenceType)original.DerivedProperty;
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var clonedDerived = (DerivedReferenceType)clone.DerivedProperty;
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Assert.AreEqual(originalDerived.TestProperty, clonedDerived.TestProperty);
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Assert.AreEqual(originalDerived.DerivedProperty, clonedDerived.DerivedProperty);
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Assert.AreEqual(0, clone.ReferenceTypeProperty.TestField);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][0],
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clone.ReferenceTypeArrayProperty[1, 3][0]
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][2],
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clone.ReferenceTypeArrayProperty[1, 3][2]
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);
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Assert.AreEqual(0, clone.ReferenceTypeArrayProperty[1, 3][0].TestField);
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Assert.AreEqual(0, clone.ReferenceTypeArrayProperty[1, 3][2].TestField);
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} else {
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Assert.AreSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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}
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} else {
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Assert.AreEqual(original.TestField, clone.TestField);
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Assert.AreEqual(original.ValueTypeField.TestField, clone.ValueTypeField.TestField);
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Assert.AreEqual(original.ValueTypeField.TestProperty, clone.ValueTypeField.TestProperty);
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Assert.AreEqual(
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original.ValueTypeProperty.TestField, clone.ValueTypeProperty.TestField
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);
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Assert.AreEqual(
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original.ReferenceTypeField.TestField, clone.ReferenceTypeField.TestField
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);
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Assert.AreEqual(
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original.ReferenceTypeField.TestProperty, clone.ReferenceTypeField.TestProperty
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);
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Assert.AreEqual(
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original.ReferenceTypeProperty.TestField, clone.ReferenceTypeProperty.TestField
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);
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if(isDeepClone) {
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Assert.AreNotSame(original.ReferenceTypeField, clone.ReferenceTypeField);
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Assert.AreNotSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreNotSame(original.DerivedField, clone.DerivedField);
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Assert.AreNotSame(original.DerivedProperty, clone.DerivedProperty);
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Assert.IsInstanceOf<DerivedReferenceType>(clone.DerivedField);
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Assert.IsInstanceOf<DerivedReferenceType>(clone.DerivedProperty);
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var originalDerived = (DerivedReferenceType)original.DerivedField;
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var clonedDerived = (DerivedReferenceType)clone.DerivedField;
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Assert.AreEqual(originalDerived.TestField, clonedDerived.TestField);
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Assert.AreEqual(originalDerived.TestProperty, clonedDerived.TestProperty);
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Assert.AreEqual(originalDerived.DerivedField, clonedDerived.DerivedField);
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Assert.AreEqual(originalDerived.DerivedProperty, clonedDerived.DerivedProperty);
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originalDerived = (DerivedReferenceType)original.DerivedProperty;
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clonedDerived = (DerivedReferenceType)clone.DerivedProperty;
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Assert.AreEqual(originalDerived.TestField, clonedDerived.TestField);
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Assert.AreEqual(originalDerived.TestProperty, clonedDerived.TestProperty);
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Assert.AreEqual(originalDerived.DerivedField, clonedDerived.DerivedField);
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Assert.AreEqual(originalDerived.DerivedProperty, clonedDerived.DerivedProperty);
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Assert.AreNotSame(
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original.ReferenceTypeArrayField, clone.ReferenceTypeArrayField
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][0],
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clone.ReferenceTypeArrayProperty[1, 3][0]
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][2],
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clone.ReferenceTypeArrayProperty[1, 3][2]
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);
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Assert.AreEqual(
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original.ReferenceTypeArrayProperty[1, 3][0].TestField,
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clone.ReferenceTypeArrayProperty[1, 3][0].TestField
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);
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Assert.AreEqual(
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original.ReferenceTypeArrayProperty[1, 3][2].TestField,
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clone.ReferenceTypeArrayProperty[1, 3][2].TestField
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);
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} else {
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Assert.AreSame(original.DerivedField, clone.DerivedField);
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Assert.AreSame(original.DerivedProperty, clone.DerivedProperty);
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Assert.AreSame(original.ReferenceTypeField, clone.ReferenceTypeField);
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Assert.AreSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreSame(
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original.ReferenceTypeArrayField, clone.ReferenceTypeArrayField
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);
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Assert.AreSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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}
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}
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}
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/// <summary>
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/// Verifies that a cloned object exhibits the expected state for the type of
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/// clone that has been performed
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/// </summary>
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/// <param name="original">Original instance the clone was created from</param>
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/// <param name="clone">Cloned instance that will be checked for correctness</param>
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/// <param name="isDeepClone">Whether the cloned instance is a deep clone</param>
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/// <param name="isPropertyBasedClone">
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/// Whether a property-based clone was performed
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/// </param>
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protected static void VerifyClone(
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ref HierarchicalValueType original, ref HierarchicalValueType clone,
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bool isDeepClone, bool isPropertyBasedClone
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) {
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if(isPropertyBasedClone) {
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Assert.AreEqual(0, clone.TestField);
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Assert.AreEqual(0, clone.ValueTypeField.TestField);
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Assert.AreEqual(0, clone.ValueTypeField.TestProperty);
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Assert.AreEqual(0, clone.ValueTypeProperty.TestField);
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Assert.IsNull(clone.ReferenceTypeField);
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Assert.IsNull(clone.DerivedField);
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if(isDeepClone) {
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Assert.AreNotSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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Assert.AreNotSame(original.DerivedProperty, clone.DerivedProperty);
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Assert.IsInstanceOf<DerivedReferenceType>(clone.DerivedProperty);
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var originalDerived = (DerivedReferenceType)original.DerivedProperty;
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var clonedDerived = (DerivedReferenceType)clone.DerivedProperty;
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Assert.AreEqual(originalDerived.TestProperty, clonedDerived.TestProperty);
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Assert.AreEqual(originalDerived.DerivedProperty, clonedDerived.DerivedProperty);
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Assert.AreEqual(0, clone.ReferenceTypeProperty.TestField);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][0],
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clone.ReferenceTypeArrayProperty[1, 3][0]
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][2],
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clone.ReferenceTypeArrayProperty[1, 3][2]
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);
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Assert.AreEqual(0, clone.ReferenceTypeArrayProperty[1, 3][0].TestField);
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Assert.AreEqual(0, clone.ReferenceTypeArrayProperty[1, 3][2].TestField);
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} else {
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Assert.AreSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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}
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} else {
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Assert.AreEqual(original.TestField, clone.TestField);
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Assert.AreEqual(original.ValueTypeField.TestField, clone.ValueTypeField.TestField);
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Assert.AreEqual(original.ValueTypeField.TestProperty, clone.ValueTypeField.TestProperty);
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Assert.AreEqual(
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original.ValueTypeProperty.TestField, clone.ValueTypeProperty.TestField
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);
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Assert.AreEqual(
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original.ReferenceTypeField.TestField, clone.ReferenceTypeField.TestField
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);
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Assert.AreEqual(
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original.ReferenceTypeField.TestProperty, clone.ReferenceTypeField.TestProperty
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);
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Assert.AreEqual(
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original.ReferenceTypeProperty.TestField, clone.ReferenceTypeProperty.TestField
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);
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if(isDeepClone) {
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Assert.AreNotSame(original.ReferenceTypeField, clone.ReferenceTypeField);
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Assert.AreNotSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreNotSame(original.DerivedField, clone.DerivedField);
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Assert.AreNotSame(original.DerivedProperty, clone.DerivedProperty);
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Assert.IsInstanceOf<DerivedReferenceType>(clone.DerivedField);
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Assert.IsInstanceOf<DerivedReferenceType>(clone.DerivedProperty);
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var originalDerived = (DerivedReferenceType)original.DerivedField;
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var clonedDerived = (DerivedReferenceType)clone.DerivedField;
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Assert.AreEqual(originalDerived.TestField, clonedDerived.TestField);
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Assert.AreEqual(originalDerived.TestProperty, clonedDerived.TestProperty);
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Assert.AreEqual(originalDerived.DerivedField, clonedDerived.DerivedField);
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Assert.AreEqual(originalDerived.DerivedProperty, clonedDerived.DerivedProperty);
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originalDerived = (DerivedReferenceType)original.DerivedProperty;
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clonedDerived = (DerivedReferenceType)clone.DerivedProperty;
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Assert.AreEqual(originalDerived.TestField, clonedDerived.TestField);
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Assert.AreEqual(originalDerived.TestProperty, clonedDerived.TestProperty);
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Assert.AreEqual(originalDerived.DerivedField, clonedDerived.DerivedField);
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Assert.AreEqual(originalDerived.DerivedProperty, clonedDerived.DerivedProperty);
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Assert.AreNotSame(
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original.ReferenceTypeArrayField, clone.ReferenceTypeArrayField
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][0],
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clone.ReferenceTypeArrayProperty[1, 3][0]
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);
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Assert.AreNotSame(
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original.ReferenceTypeArrayProperty[1, 3][2],
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clone.ReferenceTypeArrayProperty[1, 3][2]
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);
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Assert.AreEqual(
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original.ReferenceTypeArrayProperty[1, 3][0].TestField,
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clone.ReferenceTypeArrayProperty[1, 3][0].TestField
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);
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Assert.AreEqual(
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original.ReferenceTypeArrayProperty[1, 3][2].TestField,
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clone.ReferenceTypeArrayProperty[1, 3][2].TestField
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);
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} else {
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Assert.AreSame(original.DerivedField, clone.DerivedField);
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Assert.AreSame(original.DerivedProperty, clone.DerivedProperty);
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Assert.AreSame(original.ReferenceTypeField, clone.ReferenceTypeField);
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Assert.AreSame(original.ReferenceTypeProperty, clone.ReferenceTypeProperty);
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Assert.AreSame(
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original.ReferenceTypeArrayField, clone.ReferenceTypeArrayField
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);
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Assert.AreSame(
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original.ReferenceTypeArrayProperty, clone.ReferenceTypeArrayProperty
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);
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}
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}
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Assert.AreEqual(original.TestProperty, clone.TestProperty);
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Assert.AreEqual(
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original.ValueTypeProperty.TestProperty, clone.ValueTypeProperty.TestProperty
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);
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Assert.AreEqual(
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original.ReferenceTypeProperty.TestProperty, clone.ReferenceTypeProperty.TestProperty
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);
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Assert.AreEqual(
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original.ReferenceTypeArrayProperty[1, 3][0].TestProperty,
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clone.ReferenceTypeArrayProperty[1, 3][0].TestProperty
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);
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Assert.AreEqual(
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original.ReferenceTypeArrayProperty[1, 3][2].TestProperty,
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clone.ReferenceTypeArrayProperty[1, 3][2].TestProperty
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);
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}
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/// <summary>Creates a value type with random data for testing</summary>
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/// <returns>A new value type with random data</returns>
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protected static HierarchicalValueType CreateValueType() {
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return new HierarchicalValueType() {
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TestField = 123,
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TestProperty = 321,
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ReferenceTypeArrayField = new TestReferenceType[2, 4][] {
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{
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null, null, null, null
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},
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{
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null, null, null,
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new TestReferenceType[3] {
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new TestReferenceType() { TestField = 101, TestProperty = 202 },
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null,
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new TestReferenceType() { TestField = 909, TestProperty = 808 }
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}
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},
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},
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ReferenceTypeArrayProperty = new TestReferenceType[2, 4][] {
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{
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null, null, null, null
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},
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{
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null, null, null,
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new TestReferenceType[3] {
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new TestReferenceType() { TestField = 303, TestProperty = 404 },
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null,
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new TestReferenceType() { TestField = 707, TestProperty = 606 }
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}
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},
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},
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ValueTypeField = new TestValueType() {
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TestField = 456,
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TestProperty = 654
|
|
},
|
|
ValueTypeProperty = new TestValueType() {
|
|
TestField = 789,
|
|
TestProperty = 987,
|
|
},
|
|
ReferenceTypeField = new TestReferenceType() {
|
|
TestField = 135,
|
|
TestProperty = 531
|
|
},
|
|
ReferenceTypeProperty = new TestReferenceType() {
|
|
TestField = 246,
|
|
TestProperty = 642,
|
|
},
|
|
DerivedField = new DerivedReferenceType() {
|
|
DerivedField = 100,
|
|
DerivedProperty = 200,
|
|
TestField = 300,
|
|
TestProperty = 400
|
|
},
|
|
DerivedProperty = new DerivedReferenceType() {
|
|
DerivedField = 500,
|
|
DerivedProperty = 600,
|
|
TestField = 700,
|
|
TestProperty = 800
|
|
}
|
|
};
|
|
}
|
|
|
|
/// <summary>Creates a reference type with random data for testing</summary>
|
|
/// <returns>A new reference type with random data</returns>
|
|
protected static HierarchicalReferenceType CreateReferenceType() {
|
|
return new HierarchicalReferenceType() {
|
|
TestField = 123,
|
|
TestProperty = 321,
|
|
ReferenceTypeArrayField = new TestReferenceType[2, 4][] {
|
|
{
|
|
null, null, null, null
|
|
},
|
|
{
|
|
null, null, null,
|
|
new TestReferenceType[3] {
|
|
new TestReferenceType() { TestField = 101, TestProperty = 202 },
|
|
null,
|
|
new TestReferenceType() { TestField = 909, TestProperty = 808 }
|
|
}
|
|
},
|
|
},
|
|
ReferenceTypeArrayProperty = new TestReferenceType[2, 4][] {
|
|
{
|
|
null, null, null, null
|
|
},
|
|
{
|
|
null, null, null,
|
|
new TestReferenceType[3] {
|
|
new TestReferenceType() { TestField = 303, TestProperty = 404 },
|
|
null,
|
|
new TestReferenceType() { TestField = 707, TestProperty = 606 }
|
|
}
|
|
},
|
|
},
|
|
ValueTypeField = new TestValueType() {
|
|
TestField = 456,
|
|
TestProperty = 654
|
|
},
|
|
ValueTypeProperty = new TestValueType() {
|
|
TestField = 789,
|
|
TestProperty = 987,
|
|
},
|
|
ReferenceTypeField = new TestReferenceType() {
|
|
TestField = 135,
|
|
TestProperty = 531
|
|
},
|
|
ReferenceTypeProperty = new TestReferenceType() {
|
|
TestField = 246,
|
|
TestProperty = 642,
|
|
},
|
|
DerivedField = new DerivedReferenceType() {
|
|
DerivedField = 100,
|
|
DerivedProperty = 200,
|
|
TestField = 300,
|
|
TestProperty = 400
|
|
},
|
|
DerivedProperty = new DerivedReferenceType() {
|
|
DerivedField = 500,
|
|
DerivedProperty = 600,
|
|
TestField = 700,
|
|
TestProperty = 800
|
|
}
|
|
};
|
|
}
|
|
|
|
/// <summary>
|
|
/// Useless method that avoids a compile warnings due to unused fields
|
|
/// </summary>
|
|
protected void AvoidCompilerWarnings() {
|
|
var reference = new HierarchicalReferenceType() {
|
|
AlwaysNullField = new TestReferenceType()
|
|
};
|
|
var value = new HierarchicalValueType() {
|
|
AlwaysNullField = new TestReferenceType()
|
|
};
|
|
}
|
|
|
|
}
|
|
|
|
} // namespace Nuclex.Support.Cloning
|