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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.
#nullable enable
using System.Drawing;
namespace System.Windows.Forms.Tests;
public class ToolStripItemCollectionTests
{
[WinFormsTheory]
[InlineData("name2")]
[InlineData("NAME2")]
public void ToolStripItemCollection_Find_InvokeKeyExists_ReturnsExpected(string key)
{
using ToolStripMenuItem toolStrip = new();
ToolStripMenuItem child1 = new()
{
Name = "name1"
};
ToolStripMenuItem child2 = new()
{
Name = "name2"
};
ToolStripMenuItem child3 = new()
{
Name = "name2"
};
ToolStripMenuItem grandchild1 = new()
{
Name = "name1"
};
ToolStripMenuItem grandchild2 = new()
{
Name = "name2"
};
ToolStripMenuItem grandchild3 = new()
{
Name = "name2"
};
child3.DropDownItems.Add(grandchild1);
child3.DropDownItems.Add(grandchild2);
child3.DropDownItems.Add(grandchild3);
ToolStripItemCollection collection = toolStrip.DropDownItems;
collection.Add(child1);
collection.Add(child2);
collection.Add(child3);
// Search all children.
Assert.Equal(new ToolStripMenuItem[] { child2, child3, grandchild2, grandchild3 }, collection.Find(key, searchAllChildren: true));
// Call again.
Assert.Equal(new ToolStripMenuItem[] { child2, child3, grandchild2, grandchild3 }, collection.Find(key, searchAllChildren: true));
// Don't search all children.
Assert.Equal(new ToolStripMenuItem[] { child2, child3 }, collection.Find(key, searchAllChildren: false));
// Call again.
Assert.Equal(new ToolStripMenuItem[] { child2, child3 }, collection.Find(key, searchAllChildren: false));
}
[WinFormsTheory]
[InlineData("NoSuchName")]
[InlineData("abcd")]
[InlineData("abcde")]
[InlineData("abcdef")]
public void ToolStripItemCollection_Find_InvokeNoSuchKey_ReturnsEmpty(string key)
{
using ToolStripMenuItem toolStrip = new();
ToolStripMenuItem child1 = new()
{
Name = "name1"
};
ToolStripMenuItem child2 = new()
{
Name = "name2"
};
ToolStripMenuItem child3 = new()
{
Name = "name2"
};
var collection = toolStrip.DropDown.DisplayedItems;
collection.Add(child1);
collection.Add(child2);
collection.Add(child3);
Assert.Empty(collection.Find(key, searchAllChildren: true));
Assert.Empty(collection.Find(key, searchAllChildren: false));
}
[WinFormsTheory]
[NullAndEmptyStringData]
public void ToolStripItemCollection_Find_NullOrEmptyKey_ThrowsArgumentNullException(string key)
{
using ToolStripMenuItem toolStrip = new();
var collection = toolStrip.DropDown.DisplayedItems;
Assert.Throws<ArgumentNullException>("key", () => collection.Find(key, searchAllChildren: true));
Assert.Throws<ArgumentNullException>("key", () => collection.Find(key, searchAllChildren: false));
}
[WinFormsFact]
public void ToolStripItemCollection_AddRange_ToolStripItemCollection_Success()
{
using ContextMenuStrip contextMenuStrip = new();
using ToolStripDropDownButton toolStripDropDownButton = new();
// Add 0 items.
contextMenuStrip.Items.AddRange(toolStripDropDownButton.DropDownItems);
Assert.Empty(contextMenuStrip.Items);
// Add 3 items.
toolStripDropDownButton.DropDownItems.Add("a");
toolStripDropDownButton.DropDownItems.Add("b");
toolStripDropDownButton.DropDownItems.Add("c");
contextMenuStrip.Items.AddRange(toolStripDropDownButton.DropDownItems);
Assert.Empty(toolStripDropDownButton.DropDownItems);
Assert.Equal(3, contextMenuStrip.Items.Count);
// Validate order.
Assert.Equal("a", contextMenuStrip.Items[0].Text);
Assert.Equal("b", contextMenuStrip.Items[1].Text);
Assert.Equal("c", contextMenuStrip.Items[2].Text);
}
[WinFormsFact]
public void ToolStripItemCollection_AddRange_ToolStripItemCollection_SameOwner_Success()
{
using ToolStrip toolStrip = new();
// Create a ToolStripItemCollection with 2 items
ToolStripItemCollection itemCollection = new(toolStrip,
[
new ToolStripButton("Button 1"),
new ToolStripButton("Button 2")
]);
toolStrip.Items.Count.Should().Be(0);
toolStrip.Items.AddRange(itemCollection);
itemCollection.Count.Should().Be(2);
toolStrip.Items.Count.Should().Be(2);
toolStrip.Items[0].Text.Should().Be("Button 1");
toolStrip.Items[1].Text.Should().Be("Button 2");
}
private ToolStripItem[] CreateToolStripItems(params (string Key, string Name)[] items) =>
items.Select(item => new ToolStripButton(item.Name) { Name = item.Key }).ToArray();
[WinFormsFact]
public void ToolStripItemCollection_Constructor_ToolStripOwnerAndItems_Success()
{
using ToolStrip toolStrip = new();
ToolStripItem[] items = CreateToolStripItems(("key1", "Item1"), ("key2", "Item2"));
ToolStripItemCollection collection = new(toolStrip, items);
collection.Count.Should().Be(2);
collection[0].Text.Should().Be("Item1");
collection[1].Text.Should().Be("Item2");
}
private ToolStripItemCollection CreateToolStripItemCollectionWithItems(params (string Key, string Name)[] items)
{
using ToolStrip toolStrip = new();
ToolStripItem[] toolStripItems = items.Select(item => new ToolStripButton(item.Name) { Name = item.Key }).ToArray();
return new ToolStripItemCollection(toolStrip, toolStripItems);
}
[WinFormsFact]
public void ToolStripItemCollection_Indexer_ValidKey_ReturnsExpected()
{
ToolStripItemCollection collection = CreateToolStripItemCollectionWithItems(
("key1", "Item1"),
("key2", "Item2")
);
collection["key1"].Should().Be(collection[0]);
collection["key2"].Should().Be(collection[1]);
}
[WinFormsFact]
public void ToolStripItemCollection_Indexer_InvalidOrNullOrEmptyKey_ReturnsNull()
{
ToolStripItemCollection collection = CreateToolStripItemCollectionWithItems(
("key1", "Item1"),
("key2", "Item2")
);
collection["invalidKey"].Should().BeNull();
collection[null].Should().BeNull();
collection[string.Empty].Should().BeNull();
}
[WinFormsFact]
public void ToolStripItemCollection_ContainsKey_ValidKey_ReturnsTrue()
{
ToolStripItemCollection collection = CreateToolStripItemCollectionWithItems(
("key1", "Item1"),
("key2", "Item2")
);
collection.ContainsKey("key1").Should().BeTrue();
collection.ContainsKey("key2").Should().BeTrue();
}
[WinFormsFact]
public void ToolStripItemCollection_ContainsKey_InvalidOrNullOrEmptyKey_ReturnsFalse()
{
ToolStripItemCollection collection = CreateToolStripItemCollectionWithItems(
("key1", "Item1"),
("key2", "Item2")
);
collection.ContainsKey("invalidKey").Should().BeFalse();
collection.ContainsKey(null).Should().BeFalse();
collection.ContainsKey(string.Empty).Should().BeFalse();
}
[WinFormsTheory]
[InlineData("key1", 0)]
[InlineData("key2", 1)]
[InlineData("key3", 2)]
public void ToolStripItemCollection_IndexOfKey_ValidKey_ReturnsExpected(string key, int expectedIndex)
{
ToolStripItemCollection collection = CreateToolStripItemCollectionWithItems(
("key1", "Item1"),
("key2", "Item2"),
("key3", "Item3")
);
collection.IndexOfKey(key).Should().Be(expectedIndex);
}
[WinFormsTheory]
[InlineData("invalidKey", -1)]
[InlineData("key4", -1)]
[InlineData("", -1)]
public void ToolStripItemCollection_IndexOfKey_InvalidOrEmptyKey_ReturnsMinusOne(string key, int expectedIndex)
{
ToolStripItemCollection collection = CreateToolStripItemCollectionWithItems(
("key1", "Item1"),
("key2", "Item2"),
("key3", "Item3")
);
collection.IndexOfKey(key).Should().Be(expectedIndex);
}
[WinFormsFact]
public void ToolStripItemCollection_IsValidIndex_ValidIndex_ReturnsTrue()
{
using ToolStrip toolStrip = new();
ToolStripItem[] items = CreateToolStripItems(("key1", "Item1"), ("key2", "Item2"));
ToolStripItemCollection collection = new(toolStrip, items);
dynamic accessor = collection.TestAccessor().Dynamic;
((bool)accessor.IsValidIndex(0)).Should().BeTrue();
((bool)accessor.IsValidIndex(1)).Should().BeTrue();
}
[WinFormsFact]
public void ToolStripItemCollection_IsValidIndex_InvalidIndex_ReturnsFalse()
{
using ToolStrip toolStrip = new();
ToolStripItem[] items = CreateToolStripItems(("key1", "Item1"), ("key2", "Item2"));
ToolStripItemCollection collection = new(toolStrip, items);
dynamic accessor = collection.TestAccessor().Dynamic;
((bool)accessor.IsValidIndex(-1)).Should().BeFalse();
((bool)accessor.IsValidIndex(2)).Should().BeFalse();
}
[WinFormsFact]
public void ToolStripItemCollection_RemoveByKey_ValidKey_RemovesItem()
{
using ToolStrip toolStrip = new();
ToolStripItem[] items = CreateToolStripItems(("key1", "Item1"), ("key2", "Item2"));
ToolStripItemCollection collection = new(toolStrip, items);
collection.ContainsKey("key1").Should().BeTrue();
collection.RemoveByKey("key1");
collection.ContainsKey("key1").Should().BeFalse();
collection.Count.Should().Be(1);
collection[0].Text.Should().Be("Item2");
}
[WinFormsFact]
public void ToolStripItemCollection_RemoveByKey_InvalidKey_DoesNothing()
{
ToolStripItemCollection collection = CreateToolStripItemCollectionWithItems(
("key1", "Item1"),
("key2", "Item2")
);
collection.RemoveByKey("invalidKey");
collection.Contains(collection[0]).Should().BeTrue();
collection.Contains(collection[1]).Should().BeTrue();
}
[WinFormsFact]
public void ToolStripItemCollection_MoveItem_ItemWithParent_MovesItem()
{
using ToolStrip toolStrip1 = new();
using ToolStrip toolStrip2 = new();
ToolStripItem[] items = CreateToolStripItems(("key1", "Item1"), ("key2", "Item2"));
toolStrip1.Items.AddRange(items);
ToolStripItemCollection collection = new(toolStrip2, Array.Empty<ToolStripItem>());
collection.MoveItem(items[0]);
toolStrip1.Items.Contains(items[0]).Should().BeFalse();
toolStrip1.Items.Contains(items[1]).Should().BeTrue();
collection.Contains(items[0]).Should().BeTrue();
}
[WinFormsFact]
public void ToolStripItemCollection_MoveItem_Index_ValidItem_MovesItem()
{
using ToolStrip toolStrip = new();
ToolStripItem[] items = CreateToolStripItems(("key1", "Item1"), ("key2", "Item2"), ("key3", "Item3"));
ToolStripItemCollection collection = new(toolStrip, items);
collection.MoveItem(index: 1, items[2]);
collection.IndexOf(items[2]).Should().Be(1);
collection.IndexOf(items[0]).Should().Be(0);
collection.IndexOf(items[1]).Should().Be(2);
}
[WinFormsFact]
public void ToolStripItemCollection_MoveItem_MovesItemFromToolStripToCollection()
{
using ToolStrip toolStrip1 = new();
using ToolStrip toolStrip2 = new();
ToolStripItem[] items = CreateToolStripItems(("key1", "Item1"), ("key2", "Item2"));
toolStrip1.Items.AddRange(items);
ToolStripItemCollection collection = new(toolStrip2, Array.Empty<ToolStripItem>());
collection.MoveItem(index: 0, items[0]);
toolStrip1.Items.Contains(items[0]).Should().BeFalse();
toolStrip1.Items.Contains(items[1]).Should().BeTrue();
collection.Contains(items[0]).Should().BeTrue();
collection.IndexOf(items[0]).Should().Be(0);
}
[WinFormsFact]
public void ToolStripItemCollection_Add_Image_Success()
{
using ToolStrip toolStrip = new();
ToolStripItemCollection collection = new(toolStrip, Array.Empty<ToolStripItem>());
using Bitmap image = new(10, 10);
ToolStripItem item = collection.Add(image);
item.Should().NotBeNull();
item.Image.Should().Be(image);
}
[WinFormsFact]
public void ToolStripItemCollection_Add_TextAndImage_Success()
{
using ToolStrip toolStrip = new();
ToolStripItemCollection collection = new(toolStrip, Array.Empty<ToolStripItem>());
string text = "Test";
using Bitmap image = new(10, 10);
ToolStripItem item = collection.Add(text, image);
item.Should().NotBeNull();
item.Text.Should().Be(text);
item.Image.Should().Be(image);
}
}
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