public void ShouldNotAddTheHighElement_WhenTheElementIsAlreadyPresent()
{
// Arrange
var set = new CodePointSet(new[] { new CodePoint(42), new CodePoint(1000) });
var result = new CodePointSet(set);
// Act
result.Add(new CodePoint(1000));
// Assert
Assert.Equivalent(new[] { new CodePoint(42), new CodePoint(1000) }, result);
}
public void ShouldNotAddEof_WhenEofIsAlreadyPresent()
{
// Arrange
var set = new CodePointSet(new[] { new CodePoint(42), new CodePoint(1000), CodePoint.Eof });
var result = new CodePointSet(set);
// Act
result.Add(CodePoint.Eof);
// Assert
Assert.Equivalent(new[] { new CodePoint(42), new CodePoint(1000), CodePoint.Eof }, result);
}