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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 DesignerActionListCollectionTests
{
[Fact]
public void DesignerActionListCollection_Ctor_Default()
{
DesignerActionListCollection collection = new();
Assert.Empty(collection);
}
public static IEnumerable<object[]> Ctor_DesignerActionListArray_TestData()
{
yield return new object[] { Array.Empty<DesignerActionList>() };
yield return new object[] { new DesignerActionList[] { new(null), null } };
}
[Theory]
[MemberData(nameof(Ctor_DesignerActionListArray_TestData))]
public void DesignerActionListCollection_Ctor_DesignerActionListArray(DesignerActionList[] value)
{
DesignerActionListCollection collection = new(value);
Assert.Equal(value, collection.Cast<object>());
}
[Fact]
public void DesignerActionListCollection_Ctor_NullValue_ThrowsArgumentNullException()
{
Assert.Throws<ArgumentNullException>("value", () => new DesignerActionListCollection(null));
}
[Fact]
public void DesignerActionListCollection_Add_DesignerActionList_Success()
{
DesignerActionListCollection collection = new();
DesignerActionList value1 = new(null);
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));
DesignerActionList value2 = new(null);
collection.Add(value2);
Assert.Equal(new object[] { value1, value2 }, collection.Cast<object>());
Assert.True(collection.Contains(value2));
Assert.Equal(1, collection.IndexOf(value2));
collection.Add(null);
Assert.Equal(new object[] { value1, value2, null }, collection.Cast<object>());
Assert.True(collection.Contains(null));
Assert.Equal(2, collection.IndexOf(null));
}
[Theory]
[MemberData(nameof(Ctor_DesignerActionListArray_TestData))]
public void DesignerActionListCollection_AddRange_DesignerActionListArray_Success(DesignerActionList[] value)
{
DesignerActionListCollection collection = new();
collection.AddRange(value);
Assert.Equal(value, collection.Cast<object>());
// Add again.
collection.AddRange(value);
Assert.Equal(value.Concat(value), collection.Cast<object>());
}
[Theory]
[MemberData(nameof(Ctor_DesignerActionListArray_TestData))]
public void DesignerActionListCollection_AddRange_DesignerActionListCollection_Success(DesignerActionList[] value)
{
DesignerActionListCollection collection = new();
collection.AddRange(new DesignerActionListCollection(value));
Assert.Equal(value, collection.Cast<object>());
// Add again.
collection.AddRange(new DesignerActionListCollection(value));
Assert.Equal(value.Concat(value), collection.Cast<object>());
}
[Fact]
public void DesignerActionListCollection_AddRange_NullValue_ThrowsArgumentNullException()
{
DesignerActionListCollection collection = new();
Assert.Throws<ArgumentNullException>("value", () => collection.AddRange((DesignerActionList[])null));
Assert.Throws<ArgumentNullException>("value", () => collection.AddRange((DesignerActionListCollection)null));
}
[Fact]
public void DesignerActionListCollection_Insert_DesignerActionList_Success()
{
DesignerActionListCollection collection = new();
DesignerActionList value1 = new(null);
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));
DesignerActionList value2 = new(null);
collection.Insert(0, value2);
Assert.Equal(new object[] { value2, value1 }, collection.Cast<object>());
Assert.True(collection.Contains(value2));
Assert.Equal(0, collection.IndexOf(value2));
collection.Insert(1, null);
Assert.Equal(new object[] { value2, null, value1 }, collection.Cast<object>());
Assert.True(collection.Contains(null));
Assert.Equal(1, collection.IndexOf(null));
}
[Fact]
public void DesignerActionListCollection_Remove_Invoke_Success()
{
DesignerActionListCollection collection = new();
DesignerActionList value = new(null);
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));
collection.Add(null);
collection.Remove(null);
Assert.Empty(collection);
Assert.False(collection.Contains(null));
Assert.Equal(-1, collection.IndexOf(null));
}
[Fact]
public void DesignerActionListCollection_Item_Set_GetReturnsExpected()
{
DesignerActionListCollection collection = new();
DesignerActionList value1 = new(null);
DesignerActionList value2 = new(null);
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));
collection[0] = null;
Assert.Null(Assert.Single(collection));
Assert.Null(collection[0]);
Assert.False(collection.Contains(value2));
Assert.Equal(-1, collection.IndexOf(value2));
Assert.True(collection.Contains(null));
Assert.Equal(0, collection.IndexOf(null));
}
[Fact]
public void DesignerActionListCollection_CopyTo_Invoke_Success()
{
DesignerActionListCollection collection = new();
DesignerActionList value = new(null);
collection.Add(value);
var array = new DesignerActionList[3];
collection.CopyTo(array, 1);
Assert.Equal(new DesignerActionList[] { null, value, null }, array);
}
[Fact]
public void DesignerActionListCollection_Contains_NoSuchValue_ReturnsFalse()
{
DesignerActionListCollection collection = new();
DesignerActionList value = new(null);
collection.Add(value);
Assert.False(collection.Contains(new DesignerActionList(null)));
Assert.False(collection.Contains(null));
}
[Fact]
public void DesignerActionListCollection_IndexOf_NoSuchValue_ReturnsNegativeOne()
{
DesignerActionListCollection collection = new();
DesignerActionList value = new(null);
collection.Add(value);
Assert.Equal(-1, collection.IndexOf(new DesignerActionList(null)));
Assert.Equal(-1, collection.IndexOf(null));
}
[Fact]
public void DesignerActionListCollection_Clear_Success()
{
DesignerActionListCollection collection = new();
DesignerActionList value = new(null);
collection.Add(value);
collection.Clear();
Assert.Empty(collection);
// Clear again.
collection.Clear();
Assert.Empty(collection);
}
}
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