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119 changes: 119 additions & 0 deletions
119
...s.Forms/tests/UnitTests/System/Windows/Forms/CheckedListBox.CheckedItemCollectionTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
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| using System.Collections; | ||
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| namespace System.Windows.Forms.Tests; | ||
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| public class CheckedListBox_CheckedItemCollectionTests : IDisposable | ||
| { | ||
| private readonly CheckedListBox _checkedListBox; | ||
| private readonly CheckedListBox.CheckedItemCollection _collection; | ||
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| public CheckedListBox_CheckedItemCollectionTests() | ||
| { | ||
| _checkedListBox = new CheckedListBox(); | ||
| _collection = new CheckedListBox.CheckedItemCollection(_checkedListBox); | ||
| } | ||
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| public void Dispose() | ||
| { | ||
| _checkedListBox.Items.Clear(); | ||
| _checkedListBox.Dispose(); | ||
| } | ||
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| [WinFormsFact] | ||
| public void CheckedItemCollection_Properties_ReturnExpected() | ||
| { | ||
| // Test properties: Count, SyncRoot, IsSynchronized, IsFixedSize, IsReadOnly | ||
| _collection.Count.Should().Be(0); | ||
| ((ICollection)_collection).SyncRoot.Should().BeSameAs(_collection); | ||
| ((ICollection)_collection).IsSynchronized.Should().BeFalse(); | ||
| ((IList)_collection).IsFixedSize.Should().BeTrue(); | ||
| _collection.IsReadOnly.Should().BeTrue(); | ||
| } | ||
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| [WinFormsFact] | ||
| public void CheckedItemCollection_Methods_ThrowNotSupportedException() | ||
| { | ||
| // Test methods: Add, Clear, Insert, Remove, RemoveAt that should throw NotSupportedException | ||
| ((Action)(() => ((IList)_collection)[0] = 1)).Should().Throw<NotSupportedException>(); | ||
| ((IList)_collection).Invoking(c => c.Add(1)).Should().Throw<NotSupportedException>(); | ||
| ((IList)_collection).Invoking(c => c.Clear()).Should().Throw<NotSupportedException>(); | ||
| ((IList)_collection).Invoking(c => c.Insert(0, 1)).Should().Throw<NotSupportedException>(); | ||
| ((IList)_collection).Invoking(c => c.Remove(1)).Should().Throw<NotSupportedException>(); | ||
| ((IList)_collection).Invoking(c => c.RemoveAt(0)).Should().Throw<NotSupportedException>(); | ||
| } | ||
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| [WinFormsFact] | ||
| public void CheckedItemCollection_ItemGet_ReturnsExpected() | ||
| { | ||
| _checkedListBox.Items.Add("item1", true); | ||
| _checkedListBox.Items.Add("item2", false); | ||
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| _collection.Count.Should().Be(1); | ||
| _collection[0].Should().Be("item1"); | ||
| } | ||
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| private void AddItemsToCheckedListBox(string[] items, bool[] checkedStates) | ||
| { | ||
| for (int i = 0; i < items.Length; i++) | ||
| { | ||
| _checkedListBox.Items.Add(items[i], checkedStates[i]); | ||
| } | ||
| } | ||
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| [WinFormsTheory] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { true, false }, "item1", true)] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { false, true }, "item2", true)] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { false, false }, "item1", false)] | ||
| public void CheckedItemCollection_Contains_ReturnsExpected(string[] items, bool[] checkedStates, string item, bool expected) | ||
| { | ||
| AddItemsToCheckedListBox(items, checkedStates); | ||
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| _collection.Contains(item).Should().Be(expected); | ||
| } | ||
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| [WinFormsTheory] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { true, false }, "item1", 0)] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { false, true }, "item2", 0)] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { false, false }, "item1", -1)] | ||
| public void CheckedItemCollection_IndexOf_ReturnsExpected(string[] items, bool[] checkedStates, string item, int expected) | ||
| { | ||
| AddItemsToCheckedListBox(items, checkedStates); | ||
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| _collection.IndexOf(item).Should().Be(expected); | ||
| } | ||
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| [WinFormsTheory] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { true, false }, new object[] { "item1", null })] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { false, true }, new object[] { "item2", null })] | ||
| [InlineData(new string[] { "item1", "item2" }, new bool[] { false, false }, new object[] { null, null })] | ||
| public void CheckedItemCollection_CopyTo_CopiesExpectedValues(string[] items, bool[] checkedStates, object[] expected) | ||
| { | ||
| AddItemsToCheckedListBox(items, checkedStates); | ||
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| object[] array = new object[items.Length]; | ||
| ((ICollection)_collection).CopyTo(array, 0); | ||
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| array.Should().Equal(expected); | ||
| } | ||
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| [WinFormsTheory] | ||
| [InlineData(new string[] { "item1", "item2", "item3" }, new bool[] { true, false, true }, new object[] { "item1", "item3" })] | ||
| [InlineData(new string[] { "item1", "item2", "item3" }, new bool[] { false, true, false }, new object[] { "item2" })] | ||
| [InlineData(new string[] { "item1", "item2", "item3" }, new bool[] { false, false, false }, new object[] { })] | ||
| public void CheckedItemCollection_GetEnumerator_ReturnsExpected(string[] items, bool[] checkedStates, object[] expected) | ||
| { | ||
| AddItemsToCheckedListBox(items, checkedStates); | ||
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| IEnumerator enumerator = _collection.GetEnumerator(); | ||
| List<object> result = new List<object>(); | ||
| while (enumerator.MoveNext()) | ||
| { | ||
| result.Add(enumerator.Current); | ||
| } | ||
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| result.Should().Equal(expected); | ||
| } | ||
| } |
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