using VoiceCat.Protocol;

namespace VoiceCat.Tests;

public class VoiceHeaderTests
{
    [Fact]
    public void HeaderUsesBigEndianFieldsAndPreservesUnknownValues()
    {
        var header = new VoiceFrameHeader((MediaFrameType)255, (VoiceFrameFlags)128, 0x1234, 0x56789abc, 0x0123456789abcdef, 0xfedcba98);
        byte[] bytes = new byte[20];
        header.Write(bytes);
        Assert.Equal("FF80123456789ABC0123456789ABCDEFFEDCBA98", Convert.ToHexString(bytes));
        Assert.True(VoiceFrameHeader.TryRead(bytes, out var parsed));
        Assert.Equal(header, parsed);
        Assert.False(VoiceFrameHeader.TryRead(bytes.AsSpan(0, 19), out _));
        Assert.Throws<ArgumentOutOfRangeException>(() => header.Write(new byte[19]));
    }
}