public void SparqlParsingLiteralsInExpressions()
{
Queue <IToken> tokens = new Queue <IToken>();
tokens.Enqueue(new LiteralToken("value", 0, 0, 0));
tokens.Enqueue(new HatHatToken(0, 0));
tokens.Enqueue(new DataTypeToken("<http://example/type>", 0, 0, 0));
SparqlExpressionParser parser = new SparqlExpressionParser();
ISparqlExpression expr = parser.Parse(tokens);
Assert.IsInstanceOf(typeof(ConstantTerm), expr);
ConstantTerm constant = expr as ConstantTerm;
Assert.IsNotNull(constant);
IValuedNode n = constant.Node;
Assert.IsInstanceOf(typeof(ILiteralNode), n);
ILiteralNode lit = (ILiteralNode)n;
Assert.AreEqual(String.Empty, lit.Language);
Assert.IsTrue(EqualityHelper.AreUrisEqual(lit.DataType, new Uri("http://example/type")));
}
public void SparqlParsingLiteralsInExpressions()
{
var tokens = new Queue <IToken>();
tokens.Enqueue(new LiteralToken("value", 0, 0, 0));
tokens.Enqueue(new HatHatToken(0, 0));
tokens.Enqueue(new DataTypeToken("<http://example/type>", 0, 0, 0));
var parser = new SparqlExpressionParser();
var expr = parser.Parse(tokens);
Assert.IsType <ConstantTerm>(expr);
var constant = expr as ConstantTerm;
Assert.NotNull(constant);
var n = constant.Node;
Assert.IsAssignableFrom <ILiteralNode>(n);
var lit = (ILiteralNode)n;
Assert.Equal(string.Empty, lit.Language);
Assert.True(EqualityHelper.AreUrisEqual(lit.DataType, new Uri("http://example/type")));
}
