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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.
namespace System.ComponentModel.Design.Tests;
public class DesignerActionItemCollectionTests
{
[Fact]
public void DesignerActionItemCollection_Ctor_Default()
{
DesignerActionItemCollection collection = [];
Assert.Empty(collection);
}
[Fact]
public void DesignerActionItemCollection_Add_DesignerActionItem_Success()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value1 = new("displayName", "category", "description");
collection.Add(value1);
Assert.Same(value1, Assert.Single(collection));
Assert.Same(value1, collection[0]);
Assert.True(collection.Contains(value1));
Assert.Equal(0, collection.IndexOf(value1));
SubDesignerActionItem value2 = new("displayName", "category", "description");
collection.Add(value2);
Assert.Equal(new object[] { value1, value2 }, collection.Cast<object>());
Assert.True(collection.Contains(value2));
Assert.Equal(1, collection.IndexOf(value2));
}
[Fact]
public void DesignerActionItemCollection_Add_NullValue_ThrowsArgumentNullException()
{
DesignerActionItemCollection collection = [];
Assert.Throws<ArgumentNullException>("value", () => collection.Add(null));
}
[Fact]
public void DesignerActionItemCollection_Insert_DesignerActionItem_Success()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value1 = new("displayName", "category", "description");
collection.Insert(0, value1);
Assert.Same(value1, Assert.Single(collection));
Assert.Same(value1, collection[0]);
Assert.True(collection.Contains(value1));
Assert.Equal(0, collection.IndexOf(value1));
SubDesignerActionItem value2 = new("displayName", "category", "description");
collection.Insert(0, value2);
Assert.Equal(new object[] { value2, value1 }, collection.Cast<object>());
Assert.True(collection.Contains(value2));
Assert.Equal(0, collection.IndexOf(value2));
}
[Fact]
public void DesignerActionItemCollection_Insert_NullValue_ThrowsArgumentNullException()
{
DesignerActionItemCollection collection = [];
Assert.Throws<ArgumentNullException>("value", () => collection.Insert(0, null));
}
[Fact]
public void DesignerActionItemCollection_Remove_Invoke_Success()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value = new("displayName", "category", "description");
collection.Add(value);
Assert.Same(value, Assert.Single(collection));
collection.Remove(value);
Assert.Empty(collection);
Assert.False(collection.Contains(value));
Assert.Equal(-1, collection.IndexOf(value));
}
[Fact]
public void DesignerActionItemCollection_Remove_NullValue_ThrowsArgumentNullException()
{
DesignerActionItemCollection collection = [];
Assert.Throws<ArgumentNullException>("value", () => collection.Remove(null));
}
[Fact]
public void DesignerActionItemCollection_Item_Set_GetReturnsExpected()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value1 = new("displayName", "category", "description");
SubDesignerActionItem value2 = new("displayName", "category", "description");
collection.Add(value1);
Assert.Same(value1, Assert.Single(collection));
collection[0] = value2;
Assert.Same(value2, Assert.Single(collection));
Assert.Same(value2, collection[0]);
Assert.False(collection.Contains(value1));
Assert.Equal(-1, collection.IndexOf(value1));
Assert.True(collection.Contains(value2));
Assert.Equal(0, collection.IndexOf(value2));
}
[Fact]
public void DesignerActionItemCollection_Item_SetNull_ThrowsArgumentNullException()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value = new("displayName", "category", "description");
collection.Add(value);
Assert.Throws<ArgumentNullException>("value", () => collection[0] = null);
}
[Fact]
public void DesignerActionItemCollection_CopyTo_Invoke_Success()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value = new("displayName", "category", "description");
collection.Add(value);
var array = new DesignerActionItem[3];
collection.CopyTo(array, 1);
Assert.Equal([null, value, null], array);
}
[Fact]
public void DesignerActionItemCollection_Contains_NoSuchValue_ReturnsFalse()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value = new("displayName", "category", "description");
collection.Add(value);
Assert.False(collection.Contains(new SubDesignerActionItem("displayName", "category", "description")));
Assert.False(collection.Contains(null));
}
[Fact]
public void DesignerActionItemCollection_IndexOf_NoSuchValue_ReturnsNegativeOne()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value = new("displayName", "category", "description");
collection.Add(value);
Assert.Equal(-1, collection.IndexOf(new SubDesignerActionItem("displayName", "category", "description")));
Assert.Equal(-1, collection.IndexOf(null));
}
[Fact]
public void DesignerActionItemCollection_Clear_Success()
{
DesignerActionItemCollection collection = [];
SubDesignerActionItem value = new("displayName", "category", "description");
collection.Add(value);
collection.Clear();
Assert.Empty(collection);
// Clear again.
collection.Clear();
Assert.Empty(collection);
}
private class SubDesignerActionItem : DesignerActionItem
{
public SubDesignerActionItem(string displayName, string category, string description) : base(displayName, category, description)
{
}
}
}
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