public static void CheckEitherLeft <TLeft>(EitherLeft <TLeft> either, [NotNull] TLeft expectedValue)
{
Assert.IsTrue(either.IsLeft);
Assert.IsFalse(either.IsRight);
CheckLeftEither <TLeft, int>(either, expectedValue); // Use int as fallback for right value, but it's not relevant
}
public void EitherLeftSerialization()
{
EitherLeft <int> either = new EitherLeft <int>(42);
EitherLeft <int> deserializedEither = SerializeAndDeserialize(either);
CheckEitherLeft(deserializedEither, 42);
}
public void LeftShouldSucceed()
{
// Arrange
var value = "value";
// Act
EitherLeft <string> left = Left <string>(value);
// Assert
left.ToString().Should().Be("Left(value)");
}
public void EqualsObjectShouldReturnFalseWhenFirstValueNull()
{
// Arrange
var first = new EitherLeft <string>(null);
var second = new EitherLeft <string>("value");
// Act
var result = Equals(first, second);
// Assert
result.Should().BeFalse();
}
public void EqualsObjectShouldReturnFalseWhenDifferentTypes()
{
// Arrange
var first = new EitherLeft <string>("1");
var second = new EitherLeft <int>(1);
// Act
var result = Equals(first, second);
// Assert
result.Should().BeFalse();
}
public void EqualsObjectShouldReturnFalseWhenSameTypeAndDifferentValues()
{
// Arrange
var first = new EitherLeft <string>("value1");
var second = new EitherLeft <string>("value2");
// Act
var result = Equals(first, second);
// Assert
result.Should().BeFalse();
}
public void EqualsObjectShouldReturnTrueWhenBothValueSameNotNull()
{
// Arrange
var first = new EitherLeft <string>("value");
var second = new EitherLeft <string>("value");
// Act
var result = Equals(first, second);
// Assert
result.Should().BeTrue();
}
public void CtorShouldSetCorrectValue()
{
// Arrange
var value = "left";
var eitherLeft = new EitherLeft <string>(value);
// Act
var result = eitherLeft.Value;
// Assert
result.Should().Be(value);
}
public void EqualsEitherLeftShouldReturnFalse()
{
// Arrange
var first = new EitherLeft <string>("value1");
var second = new EitherLeft <string>("value2");
// Act
var result = first.Equals(second);
// Assert
result.Should().BeFalse();
}
public void EqualsEitherLeftShouldReturnTrueWhenBothValueNull()
{
// Arrange
var first = new EitherLeft <string>(null);
var second = new EitherLeft <string>(null);
// Act
var result = first.Equals(second);
// Assert
result.Should().BeTrue();
}
public void ToStringShouldProvideExpectedRepresentation()
{
// Arrange
var value = "left";
var expectedResult = $"Left({value})";
var eitherLeft = new EitherLeft <string>(value);
// Act
var result = eitherLeft.ToString();
// Assert
result.Should().Be(expectedResult);
}
public void ImplicitOperatorOverloadingShouldSucceedWithEitherLeft()
{
// Arrange
var value = "value";
var eitherLeft = new EitherLeft <string>(value);
// Act
Either <string, int> either = eitherLeft;
var result = either.ToString();
// Assert
result.Should().Be("Left(value)");
}