public void Choose_EmptySequence_ReturnsError()
{
var parser = Parse.Choose <char>();
var result = parser.Parse("z");
ParseAssert.IsError(result);
}
public void Satisfy_FailingPredicate_ReturnsError()
{
var parser = Chars.Satisfy(c => false);
var result = parser.Parse("xyz");
ParseAssert.IsError(result);
}
public void Between_NonMatchingValue_ReturnsError()
{
var parser = Chars.Char('x').Between(Chars.Char('['), Chars.Char(']'));
var result = parser.Parse("[_]");
ParseAssert.IsError(result);
}
public void String_EndOfInput_ReturnsError()
{
var parser = Chars.String("xyz");
var result = parser.Parse("xy");
ParseAssert.IsError(result);
}
public void String_NoMatch_ReturnsError()
{
var parser = Chars.String("xyz");
var result = parser.Parse("abc");
ParseAssert.IsError(result);
}
public void Not_MatchingChar_ReturnsError()
{
var parser = Chars.Not('x');
var result = parser.Parse("x");
ParseAssert.IsError(result);
}
public void EndOfLine_NoMatch_ReturnsError()
{
var parser = Chars.EndOfLine();
var result = parser.Parse("abc");
ParseAssert.IsError(result);
}
public void Any_EmptyStream_ReturnsError()
{
var parser = Chars.Any();
var result = parser.Parse("");
ParseAssert.IsError(result);
}
public void NoneOf_MatchingChar_ReturnsError()
{
var parser = Chars.NoneOf("abc");
var result = parser.Parse("b");
ParseAssert.IsError(result);
}
public void Repeat_CountLargerThanMatching_ReturnsError()
{
var parser = Chars.Char('x').Repeat(42);
var result = parser.Parse("xxxxx");
ParseAssert.IsError(result);
}
public void SeparatedBy_ValueAndSeparator_ReturnsError()
{
var parser = Chars.Any().SeparatedBy(Chars.Char(';'));
var result = parser.Parse("x;");
ParseAssert.IsError(result);
}
public void Eof_RemainingInput_ReturnsError()
{
var parser = Parse.Eof <int>();
var result = parser.Parse("abc");
ParseAssert.IsError(result);
}
public void NotFollowedBy_ParserBSuccess_ReturnsError()
{
var parser = Chars.Char('x').NotFollowedBy(Chars.Char('y'));
var result = parser.Parse("xy");
ParseAssert.IsError(result);
}
public void Char_NonMatchingChar_ReturnsError()
{
var parser = Chars.Char('x');
var result = parser.Parse("abc");
ParseAssert.IsError(result);
}
public void Before_ParserBError_ReturnsError()
{
var parser = Chars.Char('x').Before(Chars.Char('y'));
var result = parser.Parse("xx");
ParseAssert.IsError(result);
}
public void FollowedBy_ParserBError_ReturnsError()
{
var parser = Chars.Char('x').FollowedBy(Chars.Char('y'));
var result = parser.Parse("xx");
ParseAssert.IsError(result);
}
public void Many1_NoMatch_ReturnsError()
{
var parser = Chars.Char('x').Many1();
var result = parser.Parse("y");
ParseAssert.IsError(result);
}
public void Double_NonNumeric_ReturnsError()
{
var parser = Numeric.Double();
var result = parser.Parse("test");
ParseAssert.IsError(result);
}
public void Int_NoDigit_ReturnsError()
{
var parser = Numeric.Int();
var result = parser.Parse("xyz");
ParseAssert.IsError(result);
}
public void OneOf_NonMatchingChar_ReturnsError()
{
var parser = Chars.OneOf("xyz");
var result = parser.Parse("a");
ParseAssert.IsError(result);
}
public void Sequence_FailingSequence_ReturnsError()
{
var parser = Parse.Sequence(Chars.Char('x'),
Chars.Char('y'),
Chars.Char('z'));
var result = parser.Parse("xy");
ParseAssert.IsError(result);
}
public void Choose_UnsuccesfulParsers_ReturnsError()
{
var parser = Parse.Choose(Chars.Char('x'),
Chars.Char('y'),
Chars.Char('z'));
var result = parser.Parse("a");
ParseAssert.IsError(result);
}
public void Aggregate_ConsumedInputThenError_ReturnsError()
{
var parser = (from x in Chars.Char('x')
from y in Chars.Char('y')
select x.ToString() + y.ToString())
.Aggregate(() => "", (acc, c) => acc + c);
var result = parser.Parse("xyxz");
ParseAssert.IsError(result);
}
public void Try_Error_ReturnsErrorAndResetsPosition()
{
var parser = Parse.Try(from x in Chars.Any()
from y in Chars.Any()
from f in Parse.Fail <char>("test")
select x);
IInputReader input = InputReader.Create("abc");
Position expectedPosition = input.GetPosition();
var result = parser.Parse(input);
ParseAssert.IsError(result);
Assert.AreEqual(expectedPosition, input.GetPosition());
}
