public void CanSkipBlankLines()
{
string input =
@"word
words
";
using (var s = new TextScanner(input))
{
Assert.That(s.FindInLine(@"^\w+$"), Is.EqualTo("word"));
Assert.That(s.FindInLine(@"^\w+$"), Is.EqualTo("words"));
Assert.That(s.HasNextLine(), Is.False);
}
}
public void CanFindInLineAfterFail()
{
var expectedStrings = new[] { "1", "2", "red", "blue" };
string input = "1 fish 2 fish red fish blue fish";
using (var s = new TextScanner(input))
{
Assert.That(s.FindInLine("someword thats not there"), Is.Null);
var matchingText = s.FindInLine("(\\d+) fish (\\d+) fish (\\w+) fish (\\w+)");
// skip the overall match and get the captured group values
var groups = from @group in s.Match.Groups.Cast <Group>().Skip(1)
select @group.Value;
Assert.That(groups, Is.EquivalentTo(expectedStrings));
Assert.That(matchingText, Is.EqualTo("1 fish 2 fish red fish blue"));
Assert.That(s.Next(), Is.EqualTo("fish"));
}
}
public void CanFindInLineToEnd()
{
var expectedStrings = new[] { "1", "2", "red", "blue" };
string input = "1 fish 2 fish red fish blue fish";
using (var s = new TextScanner(input))
{
var matchingText = s.FindInLine(@"^((?<Kind>[^\s]+) fish\s*)+$");
// skip the overall match and get the captured group values
var groups = (from @group in s.Match.Groups["Kind"].Captures.Cast <Capture>()
select @group.Value).ToArray();
// verified the following with a java sample.
Assert.That(matchingText, Is.EqualTo("1 fish 2 fish red fish blue fish"));
Assert.That(groups, Is.EquivalentTo(expectedStrings));
}
}
public void CanSkipLines()
{
string input =
@"First Line, second statement,
Second Line, fourth statement
";
using (var s = new TextScanner(input)
.UseDelimiter(@",\s*"))
{
Assert.That(s.Next(), Is.EqualTo("First Line"));
Assert.That(s.NextLine(), Is.EqualTo(", second statement,"));
Assert.That(s.Next(), Is.EqualTo("Second Line"));
Assert.That(s.FindInLine(@"^[a-z, ]+$"), Is.EqualTo(", fourth statement"));
Assert.That(s.HasNextLine(), Is.False);
// there are no more line endings, so the following should throw
Assert.Catch <InvalidOperationException>(() => s.NextLine());
}
}
