using NUnit.Framework;
using ProjectQuint.Probes;

namespace ProjectQuint.Tests
{
    public sealed class CoreBenchmarkTests
    {
        [Test]
        public void Benchmark_CheckpointsAreIncompleteUntilEverySampleFinishes()
        {
            var checkpoints = 0;
            var report = CoreBenchmark.Run(100, 42, 60, 3, checkpoint =>
            {
                ++checkpoints;
                Assert.That(checkpoint.Complete, Is.False);
                Assert.That(checkpoint.Samples.Length, Is.EqualTo(checkpoints));
                Assert.That(checkpoint.Samples[0].Judgement.Finished, Is.True);
            });
            Assert.That(report.Complete, Is.True);
            Assert.That(checkpoints, Is.EqualTo(3));
            Assert.That(report.Samples.Length, Is.EqualTo(3));
            Assert.That(report.WarmupIterations, Is.EqualTo(3));
        }

        [TestCase(0)]
        [TestCase(101)]
        public void Benchmark_RejectsInvalidIterationCount(int iterations) =>
            Assert.Throws<System.ArgumentOutOfRangeException>(() =>
                CoreBenchmark.Run(100, 42, 60, iterations, _ => { }));
    }
}