// 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;
 
// NB: doesn't require thread affinity
public class VScrollPropertiesTests
{
    public static IEnumerable<object[]> Ctor_ScrollableControl_TestData()
    {
        yield return new object[] { new ScrollableControl() };
        yield return new object[] { null };
    }
 
    [Theory]
    [MemberData(nameof(Ctor_ScrollableControl_TestData))]
    public void VScrollProperties_Ctor_Control(ScrollableControl container)
    {
        SubVScrollProperties properties = new(container);
        Assert.Equal(container, properties.ParentControlEntry);
        Assert.True(properties.Enabled);
        Assert.Equal(10, properties.LargeChange);
        Assert.Equal(1, properties.SmallChange);
        Assert.Equal(100, properties.Maximum);
        Assert.Equal(0, properties.Minimum);
        Assert.Equal(0, properties.Value);
        Assert.False(properties.Visible);
    }
 
    private class SubVScrollProperties : VScrollProperties
    {
        public SubVScrollProperties(ScrollableControl container) : base(container)
        {
        }
 
        public ScrollableControl ParentControlEntry => ParentControl;
    }
}