namespace Geekeey.Extensions.Result.Tests;

[TestFixture]
internal sealed class ResultUnboxTests
{
	[Test]
	public void I_can_try_get_value_and_it_returns_true_and_sets_value_for_success_with_1_param()
	{
		var result = Success(2);
		var ok = result.TryGetValue(out var value);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.True);
			Assert.That(value, Is.EqualTo(2));
		});
	}

	[Test]
	public void I_can_try_get_value_and_it_returns_false_for_failure_with_1_param()
	{
		var result = Failure<int>("error");
		var ok = result.TryGetValue(out var value);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.False);
			Assert.That(value, Is.EqualTo(default(int)));
		});
	}

	[Test]
	public void I_can_try_get_value_and_it_returns_true_and_sets_value_for_success_with_2_param()
	{
		var result = Success(2);
		var ok = result.TryGetValue(out var value, out var error);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.True);
			Assert.That(value, Is.EqualTo(2));
			Assert.That(error, Is.EqualTo(default(Error)));
		});
	}

	[Test]
	public void I_can_try_get_value_and_it_returns_false_and_sets_error_for_failure_with_2_param()
	{
		var result = Failure<int>("error");
		var ok = result.TryGetValue(out var value, out var error);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.False);
			Assert.That(value, Is.EqualTo(default(int)));
			Assert.That(error?.Message, Is.EqualTo("error"));
		});
	}

	[Test]
	public void I_can_try_get_error_and_it_returns_true_and_sets_error_for_failure_with_1_param()
	{
		var result = Failure<int>("error");
		var ok = result.TryGetError(out var error);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.True);
			Assert.That(error?.Message, Is.EqualTo("error"));
		});
	}

	[Test]
	public void I_can_try_get_error_and_it_returns_false_for_success_with_1_param()
	{
		var result = Success(2);
		var ok = result.TryGetError(out var error);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.False);
			Assert.That(error, Is.EqualTo(default(Error)));
		});
	}

	[Test]
	public void I_can_try_get_error_and_it_returns_true_and_sets_error_for_failure_with_2_param()
	{
		var r = Failure<int>("error");
		var ok = r.TryGetError(out var error, out var value);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.True);
			Assert.That(error?.Message, Is.EqualTo("error"));
			Assert.That(value, Is.EqualTo(default(int)));
		});
	}

	[Test]
	public void I_can_try_get_error_and_it_returns_false_and_sets_value_for_success_with_2_param()
	{
		var r = Success(2);
		var ok = r.TryGetError(out var error, out var value);

		Assert.Multiple(() =>
		{
			Assert.That(ok, Is.False);
			Assert.That(error, Is.EqualTo(default(Error)));
			Assert.That(value, Is.EqualTo(2));
		});
	}
}