// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

#nullable disable

namespace System.ComponentModel.Design.Serialization.Tests;

public class SerializeAbsoluteContextTests
{
    [Fact]
    public void SerializeAbsoluteContext_Ctor_Default()
    {
        SerializeAbsoluteContext context = new();
        Assert.Null(context.Member);
    }

    public static IEnumerable<object[]> Ctor_MemberDescriptor_TestData()
    {
        yield return new object[] { null };

        PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(RootContext));
        yield return new object[] { properties[nameof(RootContext.Expression)] };
    }

    [Theory]
    [MemberData(nameof(Ctor_MemberDescriptor_TestData))]
    public void SerializeAbsoluteContext_Ctor_MemberDescriptor(MemberDescriptor member)
    {
        SerializeAbsoluteContext context = new(member);
        Assert.Same(member, context.Member);
    }

    public static IEnumerable<object[]> ShouldSerialize_TestData()
    {
        PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(RootContext));
        MemberDescriptor member1 = properties[nameof(RootContext.Expression)];
        MemberDescriptor member2 = properties[nameof(RootContext.Value)];

        yield return new object[] { new SerializeAbsoluteContext(null), null, true };
        yield return new object[] { new SerializeAbsoluteContext(null), member1, true };

        yield return new object[] { new SerializeAbsoluteContext(member1), null, false };
        yield return new object[] { new SerializeAbsoluteContext(member1), member1, true };
        yield return new object[] { new SerializeAbsoluteContext(member2), member2, true };
    }

    [Theory]
    [MemberData(nameof(ShouldSerialize_TestData))]
    public void SerializeAbsoluteContext_ShouldSerialize_Invoke_ReturnsExpected(SerializeAbsoluteContext context, MemberDescriptor member, bool expected)
    {
        Assert.Equal(expected, context.ShouldSerialize(member));
    }
}
