public void empty_string_produces_no_conditions()
{
var text = string.Empty;
var actual = CharacterCondition.Parse(text);
actual.Should().BeEmpty();
}
public void invalid_condition_creates_empty_result()
{
var text = "[x";
var actual = CharacterCondition.Parse(text);
actual.Should().BeEmpty();
}
public void empty_negated_range_allows_any()
{
var text = "[^]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.Should().BeEmpty();
actual[0].Restricted.Should().BeTrue();
}
public void multiple_letter_in_brackets_creates_allowed_multiple()
{
var text = "[qwerty]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.ShouldBeEquivalentTo("qwerty".ToCharArray());
actual[0].Restricted.Should().BeFalse();
}
public void single_letter_in_brackets_creates_single_char()
{
var text = "[b]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.ShouldBeEquivalentTo(new[] { 'b' });
actual[0].Restricted.Should().BeFalse();
}
public void empty_brackets_creates_disallowed_condition()
{
var text = "[]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.Should().BeEmpty();
actual[0].Restricted.Should().BeFalse();
}
public void single_dot_allows_anything()
{
var text = ".";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.Should().BeEmpty();
actual[0].Restricted.Should().BeTrue();
}
public void double_caret_negated_range_allows_all_but_caret()
{
var text = "[^^]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.ShouldBeEquivalentTo(new[] { '^' });
actual[0].Restricted.Should().BeTrue();
}
public void multiple_in_negated_range_allows_all_but_specified()
{
var text = "[^qwerty]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.ShouldBeEquivalentTo("qwerty".ToCharArray());
actual[0].Restricted.Should().BeTrue();
}
public void single_in_negated_range_allows_all_but_one()
{
var text = "[^t]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(1);
actual[0].Characters.ShouldBeEquivalentTo(new[] { 't' });
actual[0].Restricted.Should().BeTrue();
}
public void documentation_example_creates_correct_conditions()
{
var text = "[^aeiou]y";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(2);
actual[0].Characters.ShouldBeEquivalentTo("aeiou".ToCharArray());
actual[0].Restricted.Should().BeTrue();
actual[1].Characters.ShouldBeEquivalentTo(new[] { 'y' });
actual[1].Restricted.Should().BeFalse();
}
public void two_mixed_ranges_makes_two__restricted_conditions()
{
var text = "[qwerty][^asdf]";
var actual = CharacterCondition.Parse(text);
actual.Should().HaveCount(2);
actual[0].Characters.ShouldBeEquivalentTo("qwerty".ToCharArray());
actual[0].Restricted.Should().BeFalse();
actual[1].Characters.ShouldBeEquivalentTo("asdf".ToCharArray());
actual[1].Restricted.Should().BeTrue();
}