File: System\Windows\Forms\TableLayoutStyleCollectionTests.cs
Web Access
Project: src\src\System.Windows.Forms\tests\UnitTests\System.Windows.Forms.Tests.csproj (System.Windows.Forms.Tests)
// 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;
 
namespace System.Windows.Forms.Tests;
 
public class TableLayoutStyleCollectionTests
{
    [WinFormsFact]
    public void TableLayoutStyleCollection_Properties_GetDefault_ReturnsExpected()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        Assert.Equal(0, collection.Count);
        Assert.False(collection.IsFixedSize);
        Assert.False(collection.IsReadOnly);
        Assert.False(collection.IsSynchronized);
        Assert.NotNull(collection.SyncRoot);
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Add_TableLayoutStyle_Success()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
 
        RowStyle style = new();
        collection.Add(style);
        Assert.Equal(style, Assert.Single(collection));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Add_Object_Success()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
 
        RowStyle style = new();
        collection.Add(style);
        Assert.Equal(style, Assert.Single(collection));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Add_Null_ThrowsArgumentNullException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        Assert.Throws<ArgumentNullException>("style", () => collection.Add(null));
        Assert.Throws<ArgumentNullException>("style", () => ((IList)collection).Add(null));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Add_ObjectNotTableLayoutStyle_ThrowsInvalidCastException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        Assert.Throws<InvalidCastException>(() => collection.Add(new object()));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Add_StyleAlreadyAdded_ThrowsArgumentException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        Assert.Throws<ArgumentException>("style", () => collection.Add(style));
        Assert.Throws<ArgumentException>("style", () => ((IList)collection).Add(style));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Insert_Object_Success()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
 
        RowStyle style = new();
        collection.Insert(0, style);
        Assert.Equal(style, Assert.Single(collection));
    }
 
    [WinFormsTheory]
    [InlineData(-1)]
    [InlineData(0)]
    public void TableLayoutStyleCollection_Insert_Null_ThrowsArgumentNullException(int index)
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        Assert.Throws<ArgumentNullException>("style", () => ((IList)collection).Insert(index, null));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Insert_ObjectNotTableLayoutStyle_ArgumentException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        Assert.Throws<ArgumentException>(() => collection.Insert(0, new object()));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Insert_StyleAlreadyAdded_ThrowsArgumentException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        Assert.Throws<ArgumentException>("style", () => ((IList)collection).Insert(0, style));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Item_SetTableLayoutStyle_GetReturnsExpected()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        collection.Add(new RowStyle());
 
        RowStyle style = new();
        collection[0] = style;
        Assert.Single(collection);
        Assert.Equal(style, collection[0]);
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Item_SetObject_GetReturnsExpected()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        collection.Add(new RowStyle());
 
        RowStyle style = new();
        collection[0] = style;
        Assert.Single(collection);
        Assert.Equal(style, collection[0]);
    }
 
    [WinFormsTheory]
    [InlineData(-1)]
    [InlineData(0)]
    public void TableLayoutStyleCollection_Item_SetNull_ThrowsArgumentNullException(int index)
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        collection.Add(new RowStyle());
        Assert.Throws<ArgumentNullException>("value", () => collection[index] = null);
        Assert.Throws<ArgumentNullException>("value", () => ((IList)collection)[index] = null);
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Item_ObjectNotTableLayoutStyle_ThrowsArgumentException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        collection.Add(new RowStyle());
        Assert.Throws<ArgumentException>(() => collection[0] = new object());
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Item_StyleAlreadyAdded_ThrowsArgumentException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        Assert.Throws<ArgumentException>("style", () => collection[0] = style);
        Assert.Throws<ArgumentException>("style", () => ((IList)collection)[0] = style);
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Remove_Object_Success()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        collection.Remove(style);
        Assert.Empty(collection);
 
        collection.Add(style);
        Assert.Equal(style, Assert.Single(collection));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Remove_Null_Nop()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        collection.Remove(null);
        Assert.Same(style, Assert.Single(collection));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Remove_ObjectNotTableLayoutStyle_ThrowsArgumentException()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        Assert.Throws<ArgumentException>(() => collection.Remove(new object()));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_RemoveAt_Invoke_Success()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        collection.RemoveAt(0);
        Assert.Empty(collection);
 
        collection.Add(style);
        Assert.Equal(style, Assert.Single(collection));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Clear_Invoke_Success()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        TableLayoutStyleCollection collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        collection.Clear();
        Assert.Empty(collection);
 
        collection.Clear();
        Assert.Empty(collection);
 
        collection.Add(style);
        Assert.Equal(style, Assert.Single(collection));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_Contains_Object_ReturnsExpected()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        Assert.True(collection.Contains(style));
        Assert.False(collection.Contains(new ColumnStyle()));
        Assert.False(collection.Contains(new RowStyle()));
        Assert.False(collection.Contains(null));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_IndexOf_Object_ReturnsExpected()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
        Assert.Equal(0, collection.IndexOf(style));
        Assert.Equal(-1, collection.IndexOf(new ColumnStyle()));
        Assert.Equal(-1, collection.IndexOf(new RowStyle()));
        Assert.Equal(-1, collection.IndexOf(null));
    }
 
    [WinFormsFact]
    public void TableLayoutStyleCollection_CopyTo_Invoke_Success()
    {
        using ToolStrip toolStrip = new() { LayoutStyle = ToolStripLayoutStyle.Table };
        TableLayoutSettings settings = Assert.IsType<TableLayoutSettings>(toolStrip.LayoutSettings);
        IList collection = settings.RowStyles;
        RowStyle style = new();
        collection.Add(style);
 
        object[] array = [1, 2, 3];
        collection.CopyTo(array, 1);
        Assert.Equal([1, style, 3], array);
    }
}