using UnitTestSharp;

namespace Ariadne.Generator.UnitTests
{
    public class StepLabelSuppressorTests : TestFixture
    {
        public class ReportSuppressionsTests : TestFixture
        {
            public void UnusedLabelInAPassage_IsSilenced()
            {
                GeneratorRun run = GeneratorRun.Of(@"
public partial class Labeled : Arc<World>
{
    protected override void Run(World world)
    {
    greet:
        world.Open.Add(""greeted"");

    wait:
        while (!world.Open.Contains(""wait""))
        {
            Yield();
        }
    }
}");

                CheckEqual(0, run.Compiled.Count);
            }

            public void UnusedLabelOutsideAPassage_StillWarns()
            {
                GeneratorRun run = GeneratorRun.Of(@"
public partial class Helped : Arc<World>
{
    private void Helper(World world)
    {
    unused:
        world.Open.Add(""helped"");
    }

    protected override void Run(World world)
    {
        Helper(world);
    }
}");

                CheckEqual(new[] { "CS0164:unused" }, run.Compiled);
            }

            public void UnusedLabelInAnArcWritingItsOwnResume_StillWarns()
            {
                GeneratorRun run = GeneratorRun.Of(@"
public class HandWritten : Arc<World>
{
    protected override bool __Resume(World world, Ariadne.TickTime time)
    {
    unused:
        return true;
    }

    protected override void Run(World world)
    {
    }
}");

                CheckEqual(new[] { "CS0164:unused" }, run.Compiled);
            }

            public void UnusedLabelOutsideAScript_StillWarns()
            {
                GeneratorRun run = GeneratorRun.Of(@"
public class Plain
{
    public void Method(World world)
    {
    unused:
        world.Open.Add(""plain"");
    }
}");

                CheckEqual(new[] { "CS0164:unused" }, run.Compiled);
            }
        }
    }
}