public void TestLiteralParserParseSingleWordFailureEOF()
{
var p = new LiteralParser("Hello");
var r = p.Parse(new Input("Wo"));
Assert.True(r is Failure);
Assert.Equal(FailureType.UnexpectedEndOfStream, (r as Failure).Type);
}
public void TestLiteralParserParseSingleWordSuccess()
{
var p = new LiteralParser("Hello");
var r = p.Parse(new Input("Hello World!"));
Assert.True(r is Success);
Assert.Equal("Hello", (r as Success).Value);
}
public void TestLiteralParserParseSingleWordFailure()
{
var p = new LiteralParser("Hello");
var r = p.Parse(new Input("World!"));
Assert.True(r is Failure);
Assert.Equal(FailureType.ExpectedLiteral, (r as Failure).Type);
}
public void TestLiteralParserComputeFirst()
{
var p = new LiteralParser("Hello");
var first = p.First();
Assert.Equal(1, first.Count());
Assert.Equal('H', first.First());
}
public void TestLiteralParserApplySingleWordFailure()
{
var p = new LiteralParser("Hello");
var r = p.Apply(new Input("World!"));
Assert.Equal(1, r.Count());
Assert.True(r.First() is Failure);
}
public void TestLiteralParserApplySingleWordSuccess()
{
var p = new LiteralParser("Hello");
var r = p.Apply(new Input("Hello"));
Assert.Equal(1, r.Count());
Assert.True(r.First() is Success);
Assert.Equal("Hello", (r.First() as Success).Value);
}
public void TestLiteralParserApplySingleWordFailureTrailingChars()
{
var p = new LiteralParser("Hello");
var r = p.Apply(new Input("Hello World!"));
Assert.Equal(1, r.Count());
Assert.True(r.First() is Failure);
Assert.Equal(FailureType.UnexpectedTrailingChars, (r.First() as Failure).Type);
}