protected override object VisitExclusiveSetBlock(ExclusiveSetBlock block)
{
string characters = block.Characters;
int length = _input.Length;
if (_position < length)
{
var currentSymbol = _input[_position];
if (currentSymbol == 0)
{
return new[] { _position + 1 };
}
if (characters.IndexOf(currentSymbol) == -1)
return new[] { _position + 1 };
}
return _errorResult;
}
public void GetPositionsFromExclusiveSetBlockTest()
{
string input = "\0";
var visitor1 = new CheckerRegexVisitor(0, input, null);
string characters = "abc";
var exclusiveSetBlock = new ExclusiveSetBlock(characters);
var positions1 = visitor1.GetPositions(exclusiveSetBlock);
positions1.Should().BeEquivalentTo(new[] { 1 });
input = "a";
var visitor2 = new CheckerRegexVisitor(0, input, null);
var positions2 = visitor2.GetPositions(exclusiveSetBlock);
positions2.Should().BeEmpty();
input = "d";
var visitor3 = new CheckerRegexVisitor(0, input, null);
var positions3 = visitor3.GetPositions(exclusiveSetBlock);
positions3.Should().BeEquivalentTo(new[] { 1 });
}
public void GetLinesFromExclusiveSetBlockTest()
{
var input = "\0";
var visitor1 = new BuilderRegexVisitor(0, input, null, null);
var characters = "abc";
var exclusiveSetBlock = new ExclusiveSetBlock(characters);
List<string> expectedLines = new List<string>();
for (char c = 'a'; c < 'z'; c++)
{
if (characters.IndexOf(c) == -1)
expectedLines.Add(c.ToString());
}
CheckVisitorResult(visitor1, exclusiveSetBlock, expectedLines);
input = "a";
var visitor2 = new BuilderRegexVisitor(0, input, null, null);
CheckVisitorResult(visitor2, exclusiveSetBlock, Enumerable.Empty<string>());
input = "d";
var visitor3 = new BuilderRegexVisitor(0, input, null, null);
CheckVisitorResult(visitor3, exclusiveSetBlock, new[] { "d" });
}
protected virtual object VisitExclusiveSetBlock(ExclusiveSetBlock block)
{
return block;
}
public void ParseTest9()
{
var parser = new RegexParser();
string pattern = "[^abc]";
// Expected regular expression
var setBlock = new ExclusiveSetBlock("abc");
var groupBlock = new AndGroupBlock(new RegexBlock[] { setBlock });
var expected = new RegularExpression(groupBlock);
var actual = parser.Parse(pattern);
actual.ShouldBeEquivalentTo(expected, options => options.IncludingAllRuntimeProperties());
}
public void ParseTest9()
{
var parser = new RegexParser();
string pattern = "[^abc]";
// Expected regular expression
var setBlock = new ExclusiveSetBlock("abc");
var groupBlock = new AndGroupBlock(new RegexBlock[] { setBlock });
var expected = new RegularExpression(groupBlock);
var actual = parser.Parse(pattern);
Assert.IsTrue(expected.Equals(actual), "Pattern was parsed incorrectly");
}
