File: System\Windows\Forms\DataGridViewRowHeightInfoNeededEventArgsTests.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;
 
public class DataGridViewRowHeightInfoNeededEventArgsTests
{
    [WinFormsTheory]
    [InlineData(-1, 3)]
    [InlineData(3, 3)]
    [InlineData(6, 6)]
    [InlineData(65536, 65536)]
    public void DataGridViewRowHeightInfoNeededEventArgs_Height_Set_GetReturnsExpected(int value, int expected)
    {
        using DataGridView dataGridView = new()
        {
            ColumnCount = 1,
            VirtualMode = true
        };
        DataGridViewRow row = dataGridView.Rows[0];
 
        int callCount = 0;
        DataGridViewRowHeightInfoNeededEventHandler handler = (sender, e) =>
        {
            callCount++;
            e.Height = value;
            Assert.Equal(expected, e.Height);
        };
        dataGridView.RowHeightInfoNeeded += handler;
 
        Assert.Equal(expected, row.Height);
        Assert.Equal(1, callCount);
    }
 
    [WinFormsTheory]
    [InlineData(65537)]
    public void Height_SetInvalid_ThrowsArgumentOutOfRangeException(int value)
    {
        using DataGridView dataGridView = new()
        {
            ColumnCount = 1,
            VirtualMode = true
        };
        DataGridViewRow row = dataGridView.Rows[0];
 
        int callCount = 0;
        DataGridViewRowHeightInfoNeededEventHandler handler = (sender, e) =>
        {
            callCount++;
            Assert.Throws<ArgumentOutOfRangeException>("value", () => e.Height = value);
        };
        dataGridView.RowHeightInfoNeeded += handler;
 
        Assert.Equal(Control.DefaultFont.Height + 9, row.Height);
        Assert.Equal(1, callCount);
    }
 
    [WinFormsTheory]
    [InlineData(2, 10)]
    [InlineData(3, 10)]
    [InlineData(10, 10)]
    [InlineData(11, 11)]
    [InlineData(65536, 65536)]
    [InlineData(65537, 65537)]
    public void MinimumHeight_Set_GetReturnsExpected(int value, int expectedHeight)
    {
        using DataGridView dataGridView = new()
        {
            ColumnCount = 1,
            VirtualMode = true
        };
        DataGridViewRow row = dataGridView.Rows[0];
        row.Height = 10;
 
        int callCount = 0;
        DataGridViewRowHeightInfoNeededEventHandler handler = (sender, e) =>
        {
            callCount++;
            e.MinimumHeight = value;
            Assert.Equal(value, e.MinimumHeight);
            Assert.Equal(expectedHeight, e.Height);
        };
        dataGridView.RowHeightInfoNeeded += handler;
 
        Assert.Equal(value, row.MinimumHeight);
        Assert.Equal(1, callCount);
    }
 
    [WinFormsTheory]
    [InlineData(-1)]
    [InlineData(0)]
    [InlineData(1)]
    public void MinimumHeight_SetInvalid_ThrowsArgumentOutOfRangeException(int value)
    {
        using DataGridView dataGridView = new()
        {
            ColumnCount = 1,
            VirtualMode = true
        };
        DataGridViewRow row = dataGridView.Rows[0];
 
        int callCount = 0;
        DataGridViewRowHeightInfoNeededEventHandler handler = (sender, e) =>
        {
            callCount++;
            Assert.Throws<ArgumentOutOfRangeException>("value", () => e.MinimumHeight = value);
        };
        dataGridView.RowHeightInfoNeeded += handler;
 
        Assert.Equal(3, row.MinimumHeight);
        Assert.Equal(1, callCount);
    }
}