public void a_scanner_and_some_terminals()
{
scanner = new ScanStrings(Input) { SkipWhitespace = true };
__this__ = new LiteralString("this");
__is__ = new LiteralString("is");
__wally__ = new LiteralString("wally");
__dr_jones__ = new LiteralString("Dr. Jones!");
}
public void input_that_repeats_less_than_parsers_lower_bound_fails()
{
var term = new LiteralString("op!");
var scanner = new ScanStrings("op!op!");
IParser subject = new Repetition(term, 4, 5);
var result = subject.Parse(scanner);
Assert.That(result.Success, Is.False);
}
public void input_that_repeats_more_than_parsers_upper_bound_passes_and_captures_only_expected_max_range()
{
var term = new LiteralString("op!");
var scanner = new ScanStrings("op!op!op!op!op!op!op!op!");
IParser subject = new Repetition(term, 3, 3);
var result = subject.Parse(scanner);
Assert.That(result.Success, Is.True);
Assert.That(result.Value, Is.EqualTo("op!op!op!"));
}
public void input_that_repeats_exactly_as_many_as_the_upper_bound_passes_and_captures_all_input()
{
var term = new LiteralString("op!");
var scanner = new ScanStrings("op!op!op!");
IParser subject = new Repetition(term, 1, 3);
var result = subject.Parse(scanner);
Assert.That(result.Success, Is.True);
Assert.That(result.Value, Is.EqualTo("op!op!op!"));
}