101 lines
3.0 KiB
C#
101 lines
3.0 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 System.Collections.Generic;
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#if UNITTEST
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using NUnit.Framework;
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namespace Nuclex.Support.Collections {
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/// <summary>Unit Test for the Parentable class</summary>
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[TestFixture]
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internal class ParentableTest {
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#region class TestParentable
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/// <summary>Parentable object that can be the child of an int</summary>
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private class TestParentable : Parentable<int> {
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/// <summary>Initializes a new instance of the parentable test class</summary>
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public TestParentable() { }
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/// <summary>The parent object that owns this instance</summary>
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public int GetParent() {
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return base.Parent;
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}
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/// <summary>Invoked whenever the instance's owner changes</summary>
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/// <remarks>
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/// When items are parented for the first time, the oldParent argument will
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/// be null. Also, if the element is removed from the collection, the
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/// current parent will be null.
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/// </remarks>
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/// <param name="oldParent">Previous owner of the instance</param>
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protected override void OnParentChanged(int oldParent) {
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this.parentChangedCalled = true;
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base.OnParentChanged(oldParent); // to satisfy NCover :-/
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}
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/// <summary>Whether the OnParentChanged method has been called</summary>
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public bool ParentChangedCalled {
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get { return this.parentChangedCalled; }
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}
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/// <summary>Whether the OnParentChanged method has been called</summary>
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private bool parentChangedCalled;
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}
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#endregion // class TestParentable
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/// <summary>
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/// Tests whether a parent can be assigned and then retrieved from
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/// the parentable object
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/// </summary>
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[Test]
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public void TestParentAssignment() {
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TestParentable testParentable = new TestParentable();
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testParentable.SetParent(12345);
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Assert.AreEqual(12345, testParentable.GetParent());
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}
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/// <summary>
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/// Tests whether a parent can be assigned and then retrieved from
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/// the parentable object
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/// </summary>
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[Test]
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public void TestParentChangedNotification() {
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TestParentable testParentable = new TestParentable();
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testParentable.SetParent(12345);
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Assert.IsTrue(testParentable.ParentChangedCalled);
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}
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}
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} // namespace Nuclex.Support.Collections
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#endif // UNITTEST
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