using System.Diagnostics;
using WhiteMagic;
using WhiteMagic.ProcessEnvironment;
using Xunit;

namespace WhiteMagicTest.ProcessEnvironment;

public sealed class ManagedPebTests
{
    [Fact]
    public void Read_current_process_peb_fields_returns_plausible_values()
    {
        using var magic = Magic.OpenInProcess();
        var peb = new ManagedPeb(magic.Memory);

        Assert.NotEqual(IntPtr.Zero, peb.ReadPebAddress());
        Assert.NotEqual(IntPtr.Zero, peb.ReadImageBaseAddress());

        byte beingDebugged = peb.ReadBeingDebugged();
        Assert.True(beingDebugged == 0 || beingDebugged == 1);

        Assert.NotEqual(IntPtr.Zero, peb.ReadLdrAddress());

        // The in-process test process is native to the host architecture, so
        // it is not running under WOW64.
        Assert.False(peb.ReadIsWow64Process());
    }
}