/**
* Assert that there is an exception as a result of comparing the two literals with the given
* operator.
*
* @param lit1 The left literal
* @param lit2 The right literal
* @param op The operator for the comparison
*/
private void assertCompareException(Literal lit1, Literal lit2, CompareOp op) throws Exception {
try {
boolean returnValue = QueryEvaluationUtil.compareLiterals(lit1, lit2, op);
fail(
"Did not receive expected ValueExprEvaluationException (return value was "
+ returnValue
+ ") for "
+ lit1.toString()
+ op.getSymbol()
+ lit2.toString());
} catch (ValueExprEvaluationException e) {
// Expected exception
}
}
@Override
public URI getDatatype() {
if (datatype == null) {
if (literal.getDatatype() != null) {
datatype = URIs.createURI(literal.getDatatype().toString());
} else {
datatype =
literal.getLanguage() == null
? net.enilink.komma.core.Literal.TYPE_STRING
: net.enilink.komma.core.Literal.TYPE_LANGSTRING;
}
}
return datatype;
}
/**
* Assert that there is no exception as a result of comparing the two literals with the given
* operator and it returns true.
*
* @param lit1 The left literal
* @param lit2 The right literal
* @param op The operator for the comparison
* @param strict boolean switch between strict and extended comparison
*/
private void assertCompareTrue(Literal lit1, Literal lit2, CompareOp op, boolean strict)
throws Exception {
assertTrue(
"Compare did not return true for " + lit1.toString() + op.getSymbol() + lit2.toString(),
QueryEvaluationUtil.compareLiterals(lit1, lit2, op, strict));
}
@Override
public String getLanguage() {
return literal.getLanguage().orElse(null);
}
@Override
public String getLabel() {
return literal.getLabel();
}