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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections;
using System.Drawing;
namespace System.Windows.Forms.Tests;
// NB: doesn't require thread affinity
public class ListViewSubItemCollectionTests
{
[Fact]
public void ListViewSubItemCollection_Ctor_ListViewItem()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Empty(collection);
}
[Fact]
public void ListViewSubItemCollection_Ctor_NullOwner_ThrowsArgumentNullException()
{
Assert.Throws<ArgumentNullException>("owner", () => new ListViewItem.ListViewSubItemCollection(null));
}
[Fact]
public void ListViewSubItemCollection_IList_GetProperties_ReturnsExpected()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Equal(0, collection.Count);
Assert.False(collection.IsFixedSize);
Assert.False(collection.IsReadOnly);
Assert.True(collection.IsSynchronized);
Assert.Same(collection, collection.SyncRoot);
}
[Fact]
public void ListViewSubItemCollection_Item_GetValidIndex_ReturnsExpected()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.Same(subItem, collection[0]);
}
[Theory]
[InlineData(-1)]
[InlineData(1)]
public void ListViewSubItemCollection_Item_GetInvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection[index]);
}
[Fact]
public void ListViewSubItemCollection_Item_SetValidIndex_GetReturnsExpected()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
var subItem = new ListViewItem.ListViewSubItem();
collection[0] = subItem;
Assert.Same(subItem, collection[0]);
}
[Theory]
[InlineData(-1)]
[InlineData(1)]
public void ListViewSubItemCollection_Item_SetInvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection[index] = new ListViewItem.ListViewSubItem());
}
[Fact]
public void ListViewSubItemCollection_Item_SetNull_ThrowsArgumentNullException()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
Assert.Throws<ArgumentNullException>("value", () => collection[0] = null);
}
[Fact]
public void ListViewSubItemCollection_IListItem_GetValidIndex_ReturnsExpected()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.Same(subItem, collection[0]);
}
[Theory]
[InlineData(-1)]
[InlineData(1)]
public void ListViewSubItemCollection_IListItem_GetInvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection[index]);
}
[Fact]
public void ListViewSubItemCollection_IListItem_SetValidIndex_GetReturnsExpected()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
var subItem = new ListViewItem.ListViewSubItem();
collection[0] = subItem;
Assert.Same(subItem, collection[0]);
}
[Theory]
[InlineData(-1)]
[InlineData(1)]
public void ListViewSubItemCollection_IListItem_SetInvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection[index]);
}
[Theory]
[InlineData(null)]
[InlineData("text")]
public void ListViewSubItemCollection_IList_SetInvalidValue_ThrowsArgumentException(object value)
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentException>("value", () => collection[0] = value);
}
[Theory]
[InlineData(null, -1)]
[InlineData("", -1)]
[InlineData("longer", -1)]
[InlineData("sm", -1)]
[InlineData("text", 1)]
[InlineData("tsxt", -1)]
[InlineData("TEXT", 1)]
public void ListViewSubItemCollection_Item_GetString_ReturnsExpected(string key, int expectedIndex)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem1 = new ListViewItem.ListViewSubItem();
var subItem2 = new ListViewItem.ListViewSubItem
{
Name = "text"
};
collection.Add(subItem1);
collection.Add(subItem2);
Assert.Equal(expectedIndex != -1 ? collection[expectedIndex] : null, collection[key]);
}
[Fact]
public void ListViewSubItemCollection_Add_ListViewSubItem_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.Same(subItem, Assert.Single(collection));
Assert.Equal(item, subItem._owner);
}
[Fact]
public void ListViewSubItemCollection_Add_ManyItems_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
for (int i = 0; i < 4096; i++)
{
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.Same(subItem, collection[i]);
}
Assert.Throws<InvalidOperationException>(() => collection.Add(new ListViewItem.ListViewSubItem()));
}
[Fact]
public void ListViewSubItemCollection_Add_ListViewSubItemExists_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
collection.Add(subItem);
Assert.Equal(2, collection.Count);
Assert.Equal(subItem, collection[0]);
Assert.Equal(subItem, collection[1]);
Assert.Equal(item, subItem._owner);
}
[Fact]
public void ListViewSubItemCollection_Add_ListViewSubItemExistsInOtherCollection_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
ListViewItem otherItem = new();
var otherCollection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
otherCollection.Add(subItem);
collection.Add(subItem);
Assert.Same(subItem, collection[0]);
Assert.Same(subItem, otherCollection[0]);
Assert.Equal(item, subItem._owner);
}
[Theory]
[NormalizedStringData]
public void ListViewSubItemCollection_Add_String_Success(string text, string expectedText)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
text
};
ListViewItem.ListViewSubItem subItem = Assert.Single(collection.Cast<ListViewItem.ListViewSubItem>());
Assert.Equal(expectedText, subItem.Text);
Assert.Equal(item, subItem._owner);
}
public static IEnumerable<object[]> Add_String_Color_Color_Font_TestData()
{
yield return new object[] { null, Color.Empty, Color.Empty, null, SystemColors.WindowText, SystemColors.Window, string.Empty };
yield return new object[] { string.Empty, Color.Red, Color.Blue, SystemFonts.MenuFont, Color.Red, Color.Blue, string.Empty };
yield return new object[] { "reasonable", Color.Red, Color.Blue, SystemFonts.MenuFont, Color.Red, Color.Blue, "reasonable" };
}
[Theory]
[MemberData(nameof(Add_String_Color_Color_Font_TestData))]
public void ListViewSubItemCollection_Add_String_Color_Color_Font_Success(string text, Color foreColor, Color backColor, Font font, Color expectedForeColor, Color expectedBackColor, string expectedText)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
{ text, foreColor, backColor, font }
};
ListViewItem.ListViewSubItem subItem = Assert.Single(collection.Cast<ListViewItem.ListViewSubItem>());
Assert.Same(expectedText, subItem.Text);
Assert.Equal(expectedForeColor, subItem.ForeColor);
Assert.Equal(expectedBackColor, subItem.BackColor);
Assert.Equal(font ?? Control.DefaultFont, subItem.Font);
Assert.Equal(item, subItem._owner);
}
[Fact]
public void ListViewSubItemCollection_Add_NullItem_ThrowsArgumentNullException()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentNullException>("item", () => collection.Add((ListViewItem.ListViewSubItem)null));
}
[Fact]
public void ListViewSubItemCollection_IListAdd_ListViewSubItem_Success()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.Same(subItem, Assert.Single(collection));
Assert.Equal(item, subItem._owner);
}
[Theory]
[InlineData(null)]
[InlineData("text")]
public void ListViewSubItemCollection_IListAdd_NotListViewSubItem_ThrowsArgumentException(object value)
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentException>("item", () => collection.Add(value));
}
[Fact]
public void ListViewSubItemCollection_AddRange_ListViewSubItemArray_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem1 = new ListViewItem.ListViewSubItem(null, "text1");
var subItem2 = new ListViewItem.ListViewSubItem(null, "text2");
var items = new ListViewItem.ListViewSubItem[] { subItem1, null, subItem2 };
collection.AddRange(items);
Assert.Equal(2, collection.Count);
Assert.Same(subItem1, collection[0]);
Assert.Same(subItem2, collection[1]);
}
[Fact]
public void ListViewSubItemCollection_AddRange_LargeListViewSubItemArrayWithItems_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem1 = new ListViewItem.ListViewSubItem(null, "text1");
var subItem2 = new ListViewItem.ListViewSubItem(null, "text2");
var subItem3 = new ListViewItem.ListViewSubItem(null, "text3");
var subItem4 = new ListViewItem.ListViewSubItem(null, "text4");
var items = new ListViewItem.ListViewSubItem[] { subItem1, null, subItem2, subItem3, subItem4 };
collection.AddRange(items);
Assert.Equal(4, collection.Count);
Assert.Same(subItem1, collection[0]);
Assert.Same(subItem2, collection[1]);
Assert.Same(subItem3, collection[2]);
Assert.Same(subItem4, collection[3]);
}
[Fact]
public void ListViewSubItemCollection_AddRange_LargeListViewSubItemArrayWithoutItems_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem1 = new ListViewItem.ListViewSubItem(null, "text1");
var subItem2 = new ListViewItem.ListViewSubItem(null, "text2");
var subItem3 = new ListViewItem.ListViewSubItem(null, "text3");
var subItem4 = new ListViewItem.ListViewSubItem(null, "text4");
var subItem5 = new ListViewItem.ListViewSubItem(null, "text5");
var subItem6 = new ListViewItem.ListViewSubItem(null, "text6");
var subItem7 = new ListViewItem.ListViewSubItem(null, "text7");
var subItem8 = new ListViewItem.ListViewSubItem(null, "text8");
var subItem9 = new ListViewItem.ListViewSubItem(null, "text8");
var items = new ListViewItem.ListViewSubItem[] { subItem2, null, subItem3, subItem4, subItem5, subItem6, subItem7, subItem8, subItem9 };
collection.Add(subItem1);
collection.AddRange(items);
Assert.Equal(9, collection.Count);
Assert.Same(subItem1, collection[0]);
Assert.Same(subItem2, collection[1]);
Assert.Same(subItem3, collection[2]);
Assert.Same(subItem4, collection[3]);
Assert.Same(subItem5, collection[4]);
Assert.Same(subItem6, collection[5]);
Assert.Same(subItem7, collection[6]);
Assert.Same(subItem8, collection[7]);
Assert.Same(subItem9, collection[8]);
}
[Fact]
public void ListViewSubItemCollection_AddRange_StringArray_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
string[] items = ["text1", null, "text2"];
collection.AddRange(items);
Assert.Equal(2, collection.Count);
Assert.Equal("text1", collection[0].Text);
Assert.Equal("text2", collection[1].Text);
}
public static IEnumerable<object[]> AddRange_StringArrayWithStyles_TestData()
{
yield return new object[] { Color.Empty, Color.Empty, null, SystemColors.WindowText, SystemColors.Window };
yield return new object[] { Color.Red, Color.Blue, SystemFonts.MenuFont, Color.Red, Color.Blue };
yield return new object[] { Color.Red, Color.Blue, SystemFonts.MenuFont, Color.Red, Color.Blue };
}
[Theory]
[MemberData(nameof(AddRange_StringArrayWithStyles_TestData))]
public void ListViewSubItemCollection_AddRange_StringArrayWithStyles_Success(Color foreColor, Color backColor, Font font, Color expectedForeColor, Color expectedBackColor)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
string[] items = ["text1", null, "text2"];
collection.AddRange(items, foreColor, backColor, font);
Assert.Equal(2, collection.Count);
Assert.Equal("text1", collection[0].Text);
Assert.Equal(expectedForeColor, collection[0].ForeColor);
Assert.Equal(expectedBackColor, collection[0].BackColor);
Assert.Equal(font ?? Control.DefaultFont, collection[0].Font);
Assert.Equal("text2", collection[1].Text);
Assert.Equal(expectedForeColor, collection[1].ForeColor);
Assert.Equal(expectedBackColor, collection[1].BackColor);
Assert.Equal(font ?? Control.DefaultFont, collection[1].Font);
}
[Fact]
public void ListViewSubItemCollection_AddRange_NullList_ThrowsArgumentNullException()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentNullException>("items", () => collection.AddRange((ListViewItem.ListViewSubItem[])null));
Assert.Throws<ArgumentNullException>("items", () => collection.AddRange((string[])null));
Assert.Throws<ArgumentNullException>("items", () => collection.AddRange((string[])null, Color.Red, Color.Blue, SystemFonts.MenuFont));
}
[Fact]
public void ListViewSubItemCollection_Clear_Invoke_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
collection.Clear();
Assert.Empty(collection);
Assert.Null(subItem._owner);
// Clear again.
collection.Clear();
Assert.Empty(collection);
Assert.Null(subItem._owner);
}
[Fact]
public void ListViewSubItemCollection_Clear_Empty_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
collection.Clear();
Assert.Empty(collection);
}
[Fact]
public void ListViewSubItemCollection_Contains_Invoke_ReturnsExpected()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.True(collection.Contains(subItem));
Assert.False(collection.Contains(new ListViewItem.ListViewSubItem()));
Assert.False(collection.Contains(null));
}
[Fact]
public void ListViewSubItemCollection_Contains_Empty_ReturnsFalse()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.False(collection.Contains(new ListViewItem.ListViewSubItem()));
Assert.False(collection.Contains(null));
}
[Theory]
[InlineData(null, false)]
[InlineData("", false)]
[InlineData("longer", false)]
[InlineData("sm", false)]
[InlineData("text", true)]
[InlineData("tsxt", false)]
[InlineData("TEXT", true)]
public void ListViewSubItemCollection_ContainsKey_Invoke_ReturnsExpected(string key, bool expected)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem1 = new ListViewItem.ListViewSubItem();
var subItem2 = new ListViewItem.ListViewSubItem
{
Name = "text"
};
collection.Add(subItem1);
collection.Add(subItem2);
Assert.Equal(expected, collection.ContainsKey(key));
}
[Fact]
public void ListViewSubItemCollection_ContainsKey_Empty_ReturnsFalse()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.False(collection.ContainsKey("text"));
Assert.False(collection.ContainsKey(null));
}
[Fact]
public void ListViewSubItemCollection_IListContains_Invoke_ReturnsExpected()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.True(collection.Contains(subItem));
Assert.False(collection.Contains(new ListViewItem.ListViewSubItem()));
Assert.False(collection.Contains(new object()));
Assert.False(collection.Contains(null));
}
[Fact]
public void ListViewSubItemCollection_IListContains_Empty_ReturnsFalse()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.False(collection.Contains(new ListViewItem.ListViewSubItem()));
Assert.False(collection.Contains(new object()));
Assert.False(collection.Contains(null));
}
[Fact]
public void ListViewSubItemCollection_IndexOf_Invoke_ReturnsExpected()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.Equal(0, collection.IndexOf(subItem));
Assert.Equal(-1, collection.IndexOf(new ListViewItem.ListViewSubItem()));
Assert.Equal(-1, collection.IndexOf(null));
}
[Fact]
public void ListViewSubItemCollection_IndexOf_Empty_ReturnsFalse()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Equal(-1, collection.IndexOf(new ListViewItem.ListViewSubItem()));
Assert.Equal(-1, collection.IndexOf(null));
}
[Theory]
[InlineData(null, -1)]
[InlineData("", -1)]
[InlineData("longer", -1)]
[InlineData("sm", -1)]
[InlineData("text", 1)]
[InlineData("tsxt", -1)]
[InlineData("TEXT", 1)]
public void ListViewSubItemCollection_IndexOfKey_Invoke_ReturnsExpected(string key, int expected)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem1 = new ListViewItem.ListViewSubItem();
var subItem2 = new ListViewItem.ListViewSubItem
{
Name = "text"
};
collection.Add(subItem1);
collection.Add(subItem2);
Assert.Equal(expected, collection.IndexOfKey(key));
// Call again to validate caching behavior.
Assert.Equal(expected, collection.IndexOfKey(key));
Assert.Equal(-1, collection.IndexOfKey("noSuchKey"));
}
[Fact]
public void ListViewSubItemCollection_IndexOfKey_Empty_ReturnsFalse()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Equal(-1, collection.IndexOfKey("text"));
Assert.Equal(-1, collection.IndexOf(null));
}
[Fact]
public void ListViewSubItemCollection_IListIndexOf_Invoke_ReturnsExpected()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
Assert.Equal(0, collection.IndexOf(subItem));
Assert.Equal(-1, collection.IndexOf(new ListViewItem.ListViewSubItem()));
Assert.Equal(-1, collection.IndexOf(new object()));
Assert.Equal(-1, collection.IndexOf(null));
}
[Fact]
public void ListViewSubItemCollection_IListIndexOf_Empty_ReturnsMinusOne()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Equal(-1, collection.IndexOf(new ListViewItem.ListViewSubItem()));
Assert.Equal(-1, collection.IndexOf(new object()));
Assert.Equal(-1, collection.IndexOf(null));
}
[Fact]
public void ListViewSubItemCollection_Insert_ListViewSubItem_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(new ListViewItem.ListViewSubItem());
collection.Insert(1, subItem);
Assert.Equal(2, collection.Count);
Assert.Same(subItem, collection[1]);
Assert.Same(item, subItem._owner);
}
[Fact]
public void ListViewSubItemCollection_Insert_ManyItems_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
for (int i = 0; i < 4096; i++)
{
var subItem = new ListViewItem.ListViewSubItem();
collection.Insert(0, subItem);
Assert.Same(subItem, collection[0]);
}
Assert.Throws<InvalidOperationException>(() => collection.Add(new ListViewItem.ListViewSubItem()));
}
[Fact]
public void ListViewSubItemCollection_Insert_NullItem_ThrowsArgumentNullException()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
Assert.Throws<ArgumentNullException>("item", () => collection.Insert(1, null));
}
[Theory]
[InlineData(-1)]
[InlineData(1)]
public void ListViewSubItemCollection_Insert_InvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection.Insert(index, null));
}
[Fact]
public void ListViewSubItemCollection_IListInsert_ListViewSubItem_Success()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(new ListViewItem.ListViewSubItem());
collection.Insert(1, subItem);
Assert.Equal(2, collection.Count);
Assert.Same(subItem, collection[1]);
Assert.Same(item, subItem._owner);
}
[Theory]
[InlineData(null)]
[InlineData("text")]
public void ListViewSubItemCollection_IListInsert_InvalidItem_ThrowsArgumentException(object value)
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentException>("item", () => collection.Insert(0, value));
}
[Theory]
[InlineData(-1)]
[InlineData(1)]
public void ListViewSubItemCollection_IListInsert_InvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection.Insert(index, new ListViewItem.ListViewSubItem()));
}
[Fact]
public void ListViewSubItemCollection_Remove_ListViewSubItem_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
// Remove null.
collection.Remove(null);
Assert.Same(subItem, Assert.Single(collection));
collection.Remove(subItem);
Assert.Empty(collection);
Assert.Null(subItem._owner);
// Remove again.
collection.Remove(subItem);
Assert.Empty(collection);
Assert.Null(subItem._owner);
}
[Fact]
public void ListViewSubItemCollection_IListRemove_ListViewSubItem_Success()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
collection.Remove(subItem);
Assert.Empty(collection);
Assert.Null(subItem._owner);
// Remove again.
collection.Remove(subItem);
Assert.Empty(collection);
Assert.Null(subItem._owner);
}
[Theory]
[InlineData(null)]
[InlineData("text")]
public void ListViewSubItemCollection_IListRemove_InvalidItem_Nop(object value)
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
collection.Remove(value);
Assert.Same(subItem, Assert.Single(collection));
}
[Fact]
public void ListViewSubItemCollection_RemoveAt_ValidIndex_Success()
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem1 = new ListViewItem.ListViewSubItem();
var subItem2 = new ListViewItem.ListViewSubItem();
var subItem3 = new ListViewItem.ListViewSubItem();
var subItem4 = new ListViewItem.ListViewSubItem();
collection.Add(subItem1);
collection.Add(subItem2);
collection.Add(subItem3);
collection.Add(subItem4);
// Remove from start.
collection.RemoveAt(0);
Assert.Equal(3, collection.Count);
Assert.Null(subItem1._owner);
Assert.Same(item, subItem2._owner);
Assert.Same(item, subItem3._owner);
Assert.Same(item, subItem4._owner);
// Remove from middle.
collection.RemoveAt(1);
Assert.Equal(2, collection.Count);
Assert.Null(subItem1._owner);
Assert.Same(item, subItem2._owner);
Assert.Null(subItem3._owner);
Assert.Same(item, subItem4._owner);
// Remove from end.
collection.RemoveAt(1);
Assert.Single(collection);
Assert.Null(subItem1._owner);
Assert.Same(item, subItem2._owner);
Assert.Null(subItem3._owner);
Assert.Null(subItem4._owner);
// Remove only.
collection.RemoveAt(0);
Assert.Empty(collection);
Assert.Null(subItem1._owner);
Assert.Null(subItem2._owner);
Assert.Null(subItem3._owner);
Assert.Null(subItem4._owner);
}
[Theory]
[InlineData(-1)]
[InlineData(2)]
public void ListViewSubItemCollection_RemoveAt_InvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item)
{
new ListViewItem.ListViewSubItem()
};
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection.RemoveAt(index));
}
[Theory]
[InlineData(-1)]
[InlineData(1)]
public void ListViewSubItemCollection_RemoveAt_InvalidIndexEmpty_ThrowsArgumentOutOfRangeException(int index)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
Assert.Throws<ArgumentOutOfRangeException>("index", () => collection.RemoveAt(index));
}
[Theory]
[InlineData(null, 1)]
[InlineData("", 1)]
[InlineData("longer", 1)]
[InlineData("sm", 1)]
[InlineData("text", 0)]
[InlineData("tsxt", 1)]
[InlineData("TEXT", 0)]
public void ListViewSubItemCollection_RemoveByKey_Invoke_Success(string key, int expectedCount)
{
ListViewItem item = new();
var collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem
{
Name = "text"
};
collection.Add(subItem);
collection.RemoveByKey(key);
Assert.Equal(expectedCount, collection.Count);
if (expectedCount == 1)
{
Assert.Same(item, subItem._owner);
}
else
{
Assert.Null(subItem._owner);
}
}
[Fact]
public void ListViewSubItemCollection_CopyTo_NonEmpty_Success()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
var subItem = new ListViewItem.ListViewSubItem();
collection.Add(subItem);
object[] array = [1, 2, 3];
collection.CopyTo(array, 1);
Assert.Equal([1, subItem, 3], array);
}
[Fact]
public void ListViewSubItemCollection_CopyTo_Empty_Nop()
{
ListViewItem item = new();
IList collection = new ListViewItem.ListViewSubItemCollection(item);
object[] array = [1, 2, 3];
collection.CopyTo(array, 0);
Assert.Equal([1, 2, 3], array);
}
[WinFormsFact]
public void ListViewSubItemCollection_Add_SetOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem subItem = new();
Assert.Null(subItem._owner);
listViewItem.SubItems.Add(subItem);
Assert.Same(listViewItem, subItem._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_Add_String_SetOwner()
{
ListViewItem listViewItem = new();
listViewItem.SubItems.Add("Test");
Assert.Same(listViewItem, listViewItem.SubItems[1]._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_Add_String_Color_SetOwner()
{
ListViewItem listViewItem = new();
listViewItem.SubItems.Add("Test", Color.White, Color.Black, SystemFonts.MenuFont);
Assert.Same(listViewItem, listViewItem.SubItems[1]._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_AddRange_SetOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem subItem1 = new();
ListViewItem.ListViewSubItem subItem2 = new();
Assert.Null(subItem1._owner);
Assert.Null(subItem2._owner);
listViewItem.SubItems.AddRange(new ListViewItem.ListViewSubItem[] { subItem1, subItem2 });
Assert.Same(listViewItem, subItem1._owner);
Assert.Same(listViewItem, subItem2._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_AddRange_String_SetOwner()
{
ListViewItem listViewItem = new();
listViewItem.SubItems.AddRange(new string[] { "Test 1", "Test 2" });
Assert.Same(listViewItem, listViewItem.SubItems[1]._owner);
Assert.Same(listViewItem, listViewItem.SubItems[2]._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_AddRange_String_Color_SetOwner()
{
ListViewItem listViewItem = new();
listViewItem.SubItems.AddRange(["Test 1", "Test 2"], Color.White, Color.Black, SystemFonts.MenuFont);
Assert.Same(listViewItem, listViewItem.SubItems[1]._owner);
Assert.Same(listViewItem, listViewItem.SubItems[2]._owner);
}
[WinFormsFact]
public void ListViewSubItem_Clear_RemoveOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem subItem1 = new();
ListViewItem.ListViewSubItem subItem2 = new();
ListViewItem.ListViewSubItem oldSubItem = listViewItem.SubItems[0];
listViewItem.SubItems.Add(subItem1);
listViewItem.SubItems.Add(subItem2);
Assert.Same(listViewItem, oldSubItem._owner);
Assert.Same(listViewItem, subItem1._owner);
Assert.Same(listViewItem, subItem1._owner);
listViewItem.SubItems.Clear();
Assert.Same(listViewItem, listViewItem.SubItems[0]._owner);
Assert.Null(oldSubItem._owner);
Assert.Null(subItem1._owner);
Assert.Null(subItem1._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_IList_Add_SetOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem subItem = new();
Assert.Null(subItem._owner);
((IList)listViewItem.SubItems).Add(subItem);
Assert.Same(listViewItem, subItem._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_IList_Insert_AddOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem subItem1 = new();
ListViewItem.ListViewSubItem subItem2 = new();
ListViewItem.ListViewSubItem oldSubItem1 = listViewItem.SubItems[0];
ListViewItem.ListViewSubItem oldSubItem2 = new();
listViewItem.SubItems.Add(oldSubItem2);
Assert.Null(subItem1._owner);
Assert.Null(subItem2._owner);
Assert.Same(listViewItem, oldSubItem1._owner);
Assert.Same(listViewItem, oldSubItem2._owner);
((IList)listViewItem.SubItems).Insert(0, subItem1);
((IList)listViewItem.SubItems).Insert(1, subItem2);
Assert.Equal(4, listViewItem.SubItems.Count);
Assert.Same(subItem1, listViewItem.SubItems[0]);
Assert.Same(subItem2, listViewItem.SubItems[1]);
Assert.Same(oldSubItem1, listViewItem.SubItems[2]);
Assert.Same(oldSubItem2, listViewItem.SubItems[3]);
Assert.Same(listViewItem, oldSubItem1._owner);
Assert.Same(listViewItem, oldSubItem2._owner);
Assert.Same(listViewItem, subItem1._owner);
Assert.Same(listViewItem, subItem2._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_IList_Remove_RemoveOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem oldSubItem = listViewItem.SubItems[0];
ListViewItem.ListViewSubItem subItem = new();
listViewItem.SubItems.Add(subItem);
Assert.Same(listViewItem, subItem._owner);
Assert.Same(listViewItem, oldSubItem._owner);
listViewItem.SubItems.Remove(subItem);
listViewItem.SubItems.Remove(oldSubItem);
Assert.Same(listViewItem, listViewItem.SubItems[0]._owner);
Assert.Null(subItem._owner);
Assert.Null(oldSubItem._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_IList_Set_UpdateOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem subItem = new();
ListViewItem.ListViewSubItem oldSubItem = listViewItem.SubItems[0];
Assert.Same(listViewItem, oldSubItem._owner);
Assert.Null(subItem._owner);
((IList)listViewItem.SubItems)[0] = subItem;
Assert.Null(oldSubItem._owner);
Assert.Same(listViewItem, subItem._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_Insert_UpdateOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem subItem1 = new();
ListViewItem.ListViewSubItem subItem2 = new();
ListViewItem.ListViewSubItem defaultSubItem = listViewItem.SubItems[0];
Assert.Null(subItem1._owner);
Assert.Null(subItem2._owner);
Assert.Same(listViewItem, defaultSubItem._owner);
listViewItem.SubItems.Insert(0, subItem1);
listViewItem.SubItems.Insert(1, subItem2);
Assert.Equal(3, listViewItem.SubItems.Count);
Assert.Same(listViewItem, defaultSubItem._owner);
Assert.Same(listViewItem, subItem1._owner);
Assert.Same(listViewItem, subItem2._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_Remove_RemoveOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem oldSubItem = listViewItem.SubItems[0];
ListViewItem.ListViewSubItem subItem = new();
listViewItem.SubItems.Add(subItem);
Assert.Same(listViewItem, subItem._owner);
Assert.Same(listViewItem, oldSubItem._owner);
listViewItem.SubItems.Remove(subItem);
listViewItem.SubItems.Remove(oldSubItem);
Assert.Null(subItem._owner);
Assert.Null(oldSubItem._owner);
Assert.Same(listViewItem, listViewItem.SubItems[0]._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_RemoveAt_RemoveOwner()
{
ListViewItem listViewItem = new();
ListViewItem.ListViewSubItem oldSubItem = listViewItem.SubItems[0];
ListViewItem.ListViewSubItem subItem = new();
listViewItem.SubItems.Add(subItem);
Assert.Same(listViewItem, subItem._owner);
Assert.Same(listViewItem, oldSubItem._owner);
listViewItem.SubItems.RemoveAt(1);
listViewItem.SubItems.RemoveAt(0);
Assert.Null(subItem._owner);
Assert.Null(oldSubItem._owner);
Assert.Same(listViewItem, listViewItem.SubItems[0]._owner);
}
[WinFormsFact]
public void ListViewSubItemCollection_RemoveByKey_RemoveOwner()
{
ListViewItem listViewItem = new("Test 1");
ListViewItem.ListViewSubItem oldSubItem = listViewItem.SubItems[0];
oldSubItem.Name = "Test 1";
ListViewItem.ListViewSubItem subItem = new(listViewItem, "Test 2") { Name = "Test 2" };
listViewItem.SubItems.Add(subItem);
Assert.Same(listViewItem, subItem._owner);
Assert.Same(listViewItem, oldSubItem._owner);
listViewItem.SubItems.RemoveByKey("Test 2");
listViewItem.SubItems.RemoveByKey("Test 1");
Assert.Null(subItem._owner);
Assert.Null(oldSubItem._owner);
Assert.Same(listViewItem, listViewItem.SubItems[0]._owner);
}
}
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