public void SeparatedBy_MultipleValues_ReturnsValues()
{
var parser = Chars.Any().SeparatedBy(Chars.Char(';'));
var result = parser.Parse("x;y;z");
ParseAssert.ValueEquals(new char[] { 'x', 'y', 'z' }, result);
}
public void Between_AllMatching_ReturnsValue()
{
var parser = Chars.Any().Between(Chars.Char('['), Chars.Char(']'));
var result = parser.Parse("[x]");
ParseAssert.ValueEquals('x', result);
}
public void SeparatedBy_ValueOnly_ReturnsValue()
{
var parser = Chars.Any().SeparatedBy(Chars.Char(';'));
var result = parser.Parse("x");
ParseAssert.ValueEquals(new char[] { 'x' }, result);
}
public void SeparatedBy_ValueAndSeparator_ReturnsError()
{
var parser = Chars.Any().SeparatedBy(Chars.Char(';'));
var result = parser.Parse("x;");
ParseAssert.IsError(result);
}
public void Any_NonEmptyStream_ReturnsChar()
{
var parser = Chars.Any();
var result = parser.Parse("a");
ParseAssert.ValueEquals('a', result);
}
public void SeparatedBy_Nothing_ReturnsEmptyValue()
{
var parser = Chars.Any().SeparatedBy(Chars.Char(';'));
var result = parser.Parse("");
ParseAssert.ValueEquals(new char[] { }, result);
}
public void Any_EmptyStream_ReturnsError()
{
var parser = Chars.Any();
var result = parser.Parse("");
ParseAssert.IsError(result);
}
public void Not_Success_ReturnsError()
{
var parser = Parse.Not(Chars.Any());
var result = parser.Parse("xyz");
ParseAssert.ErrorEquals("Unexpected \"x\"", result);
}
public void Aggregate_CombinesParsedValues_UntilError()
{
var parser = Chars.Any()
.Aggregate(() => "test", (acc, c) => acc + c);
var result = parser.Parse("xxyyzz");
ParseAssert.ValueEquals("testxxyyzz", result);
}
public void Many_IEnumerable()
{
var parser = (from c in Chars.Any()
from x in Parse.Succeed(42)
select x).Many();
var result = parser.Parse("xyz");
ParseAssert.ValueEquals(new[] { 42, 42, 42 }, result);
}
public void Aggregate_ResultSelector_ReturnsTransformedResult()
{
var parser = Chars.Any()
.Aggregate(() => "", (acc, c) => acc + c,
x => x + "test");
var result = parser.Parse("xyz");
ParseAssert.ValueEquals("xyztest", result);
}
public void Or_FirstErrorConsumesInput_ReturnsFirstError()
{
var parserA = from x in Chars.Any()
from y in Parse.Fail <char>("test")
select y;
var parserB = Chars.Any();
var parser = Combine.Or(parserA, parserB);
var result = parser.Parse("abc");
ParseAssert.ErrorEquals("test", 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());
}