// <copyright file="HybridLogicalClockTests.ReceiveSkew.cs" company="StellaOps">
// Copyright (c) StellaOps. Licensed under BUSL-1.1.
// </copyright>
using FluentAssertions;
using System;
using Xunit;

namespace StellaOps.HybridLogicalClock.Tests;

public sealed partial class HybridLogicalClockTests
{
    [Fact]
    public void Receive_ClockSkewExceeded_ThrowsException()
    {
        var timeProvider = CreateTimeProvider(FixedTime);
        var maxSkew = TimeSpan.FromMinutes(1);
        var clock = CreateClock(timeProvider, maxSkew: maxSkew);

        var remote = CreateRemoteTimestamp(FixedTime.AddMinutes(2), 0);

        var act = () => clock.Receive(remote);

        act.Should().Throw<HlcClockSkewException>()
            .Where(e => e.MaxAllowedSkew == maxSkew)
            .Where(e => e.ActualSkew > maxSkew);
    }
}