public void Int_NoDigit_ReturnsError()
{
var parser = Numeric.Int();
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 Between_RepeatingValue_ReturnsValue()
{
var parser = Chars.NoneOf("]").Many().Between(Chars.Char('['), Chars.Char(']'));
var result = parser.Parse("[xyz]");
ParseAssert.ValueEquals("xyz", result);
}
public void Repeat_CountZero_ReturnsEmptyResult()
{
var parser = Chars.Char('x').Repeat(0);
var result = parser.Parse("xxxxx");
ParseAssert.ValueEquals(new char[0], result);
}
public void Repeat_CountThree_ReturnsThreeMatches()
{
var parser = Chars.Char('x').Repeat(3);
var result = parser.Parse("xxxxx");
ParseAssert.ValueEquals(new char[] { 'x', 'x', '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 Or_FirstError_ReturnsSecondResult()
{
var parser = Combine.Or(Parse.Fail <int>("test"), Parse.Succeed(42));
var result = parser.Parse("");
ParseAssert.ValueEquals(42, result);
}
public void Many_NoMatch_ReturnsEmptySet()
{
var parser = Chars.Char('x').Many();
var result = parser.Parse("y");
ParseAssert.ValueEquals("", result);
}
public void Double_Int_ReturnsDoubleValue()
{
var parser = Numeric.Double();
var result = parser.Parse("42");
ParseAssert.ValueEquals(42, result);
}
public void Double_IntThenFraction_ReturnsDoubleValue()
{
var parser = Numeric.Double();
var result = parser.Parse("42.37");
ParseAssert.ValueEquals(42.37, result);
}
public void Double_NonNumeric_ReturnsError()
{
var parser = Numeric.Double();
var result = parser.Parse("test");
ParseAssert.IsError(result);
}
public void Int_Plus_ReturnIntValue()
{
var parser = Numeric.Int();
var result = parser.Parse("+42xyz");
ParseAssert.ValueEquals(42, result);
}
public void Int_Negative_ReturnsIntValue()
{
var parser = Numeric.Int();
var result = parser.Parse("-42xyz");
ParseAssert.ValueEquals(-42, 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 Many1_NoMatch_ReturnsError()
{
var parser = Chars.Char('x').Many1();
var result = parser.Parse("y");
ParseAssert.IsError(result);
}
public void SeparatedBy_Nothing_ReturnsEmptyValue()
{
var parser = Chars.Any().SeparatedBy(Chars.Char(';'));
var result = parser.Parse("");
ParseAssert.ValueEquals(new char[] { }, result);
}
public void Many1_OneMatch_ReturnsSetWithOneMatch()
{
var parser = Chars.Char('x').Many1();
var result = parser.Parse("xy");
ParseAssert.ValueEquals("x", result);
}
public void Before_ParserABSuccess_ReturnsParserBResult()
{
var parser = Chars.Char('x').Before(Chars.Char('y'));
var result = parser.Parse("xy");
ParseAssert.ValueEquals('y', result);
}
public void Many1_ManyMatches_ReturnsSet()
{
var parser = Chars.OneOf("xyz").Many1();
var result = parser.Parse("xxyz");
ParseAssert.ValueEquals("xxyz", result);
}
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 Before_ParserBError_ReturnsError()
{
var parser = Chars.Char('x').Before(Chars.Char('y'));
var result = parser.Parse("xx");
ParseAssert.IsError(result);
}
public void Repeat_CountOne_ReturnsSingleMatch()
{
var parser = Chars.Char('x').Repeat(1);
var result = parser.Parse("xxxxx");
ParseAssert.ValueEquals(new char[] { 'x' }, 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 Repeat_CountLargerThanMatching_ReturnsError()
{
var parser = Chars.Char('x').Repeat(42);
var result = parser.Parse("xxxxx");
ParseAssert.IsError(result);
}
public void FollowedBy_ParserABSuccess_ReturnsParserAResult()
{
var parser = Chars.Char('x').FollowedBy(Chars.Char('y'));
var result = parser.Parse("xy");
ParseAssert.ValueEquals('x', 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 NotFollowedBy_ParserBError_ReturnsParserAValue()
{
var parser = Chars.Char('x').NotFollowedBy(Chars.Char('y'));
var result = parser.Parse("xz");
ParseAssert.ValueEquals('x', result);
}
public void Or_FirstSuccess_ReturnsFirstResult()
{
var parser = Combine.Or(Parse.Succeed('x'), Parse.Succeed('y'));
var result = parser.Parse("");
ParseAssert.ValueEquals('x', result);
}
public void OneOf_NonMatchingChar_ReturnsError()
{
var parser = Chars.OneOf("xyz");
var result = parser.Parse("a");
ParseAssert.IsError(result);
}
