File: System\Windows\Forms\AccessibleObjects\DataGridViewRowsAccessibleObjectTests.cs
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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.
 
namespace System.Windows.Forms.Tests.AccessibleObjects;
 
public class DataGridViewRowsAccessibleObjectTests
{
    [WinFormsFact]
    public void DataGridViewRowsAccessibleObject_Ctor_Default_IfHandleIsCreated()
    {
        using DataGridView dataGridView = new DataGridView
        {
            RowCount = 5,
            Height = 87
        };
 
        dataGridView.CreateControl();
        dataGridView.Rows[0].Height = 20;
        dataGridView.Rows[1].Height = 20;
        dataGridView.Rows[2].Height = 20;
        dataGridView.Rows[3].Height = 20;
        dataGridView.Rows[4].Height = 20;
 
        AccessibleObject accObject = dataGridView.AccessibilityObject; // it is necessary to be in time to initialize elements
 
        int accRowHeightSum = 0;
        for (int i = 0; i < 5; i++)
        {
            accRowHeightSum += dataGridView.Rows[i].AccessibilityObject.BoundingRectangle.Height;
        }
 
        int accDataGridViewHeight = dataGridView.AccessibilityObject.BoundingRectangle.Height;
        int borders = 2 * dataGridView.BorderWidth; // top border and bottom border
 
        Assert.Equal(accRowHeightSum, accDataGridViewHeight - borders - dataGridView.ColumnHeadersHeight);
    }
 
    [WinFormsFact]
    public void DataGridViewRowsAccessibleObject_Ctor_Default_IfHandleIsNotCreated()
    {
        using DataGridView dataGridView = new DataGridView
        {
            RowCount = 5,
            Height = 87
        };
 
        dataGridView.Rows[0].Height = 20;
        dataGridView.Rows[1].Height = 20;
        dataGridView.Rows[2].Height = 20;
        dataGridView.Rows[3].Height = 20;
        dataGridView.Rows[4].Height = 20;
 
        AccessibleObject accObject = dataGridView.AccessibilityObject; // it is necessary to be in time to initialize elements
 
        int accRowHeightSum = 0;
        for (int i = 0; i < 5; i++)
        {
            accRowHeightSum += dataGridView.Rows[i].AccessibilityObject.BoundingRectangle.Height;
        }
 
        int accDataGridViewHeight = dataGridView.AccessibilityObject.BoundingRectangle.Height;
 
        Assert.Equal(0, accDataGridViewHeight);
        Assert.Equal(0, accRowHeightSum);
    }
}