public void GetNext_Test()
{
var parser = new AnyParser <char>();
var target = new ParseResultSequence <char, char>("abc".ToCharacterSequence(), parser, null);
target.GetNext().Value.Should().Be('a');
target.GetNext().Value.Should().Be('b');
target.GetNext().Value.Should().Be('c');
}
public void IsAtEnd_Test()
{
var parser = new AnyParser <char>();
var target = new ParseResultSequence <char, char>("abc".ToCharacterSequence(), parser, null);
target.IsAtEnd.Should().BeFalse();
target.GetNext();
target.IsAtEnd.Should().BeFalse();
target.GetNext();
target.IsAtEnd.Should().BeFalse();
target.GetNext();
target.IsAtEnd.Should().BeTrue();
}
public void Location_Test()
{
var parser = new AnyParser <char>();
var target = new ParseResultSequence <char, char>("abc".ToCharacterSequence(), parser, null);
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(0);
target.GetNext();
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(1);
target.GetNext();
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(2);
target.GetNext();
target.CurrentLocation.Line.Should().Be(1);
target.CurrentLocation.Column.Should().Be(3);
}
public void Checkpoint_Test()
{
var parser = new AnyParser <char>();
var target = new ParseResultSequence <char, char>("abcde".ToCharacterSequence(), parser, null);
target.GetNext().Value.Should().Be('a');
target.GetNext().Value.Should().Be('b');
var cp = target.Checkpoint();
target.GetNext().Value.Should().Be('c');
target.GetNext().Value.Should().Be('d');
target.GetNext().Value.Should().Be('e');
target.IsAtEnd.Should().BeTrue();
cp.Rewind();
target.GetNext().Value.Should().Be('c');
target.GetNext().Value.Should().Be('d');
target.GetNext().Value.Should().Be('e');
target.IsAtEnd.Should().BeTrue();
}
