feat: initial project commit

src/Result.Tests/ResultUnboxTests.cs

@@ -0,0 +1,113 @@
+namespace Geekeey.Extensions.Result.Tests;
+
+[TestFixture]
+internal sealed class ResultUnboxTests
+{
+	[Test]
+	public void TryGetValue_1_ReturnsTrueAndSetsValue_ForSuccess()
+	{
+		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 TryGetValue_1_ReturnsFalse_ForFailure()
+	{
+		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 TryGetValue_2_ReturnsTrueAndSetsValue_ForSuccess()
+	{
+		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 TryGetValue_2_ReturnsFalseAndSetsError_ForFailure()
+	{
+		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 TryGetError_1_ReturnsTrueAndSetsError_ForFailure()
+	{
+		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 TryGetError_1_ReturnsFalse_ForSuccess()
+	{
+		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 TryGetError_2_ReturnsTrueAndSetsError_ForFailure()
+	{
+		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 TryGetError_2_ReturnsFalseAndSetsValue_ForSuccess()
+	{
+		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));
+		});
+	}
+}