private void lessThanTester(int left, int right) {
LessThan lessThan = new LessThan();
lessThan.left = new Number(left);
lessThan.left.type = IntegerType.instance;
lessThan.right = new Number(right);
lessThan.right.type = IntegerType.instance;
expressionSimplificationTester(
lessThan, left < right ? True.class : False.class, BooleanType.instance, 0, false);
}
/** Simple test that constructs and AST from the ANTLR generated files */
@Test
public void lessThan() throws RecognitionException {
String queryString = "select * where a < 5";
ANTLRStringStream in = new ANTLRStringStream(queryString);
QueryFilterLexer lexer = new QueryFilterLexer(in);
TokenRewriteStream tokens = new TokenRewriteStream(lexer);
QueryFilterParser parser = new QueryFilterParser(tokens);
Query query = parser.ql().query;
Operand root = query.getRootOperand();
LessThan equal = (LessThan) root;
assertEquals("a", equal.getProperty().getValue());
assertEquals(5, ((LongLiteral) equal.getLiteral()).getValue().intValue());
// TODO Todd fix this.
queryString = "select * where a lt 5";
in = new ANTLRStringStream(queryString);
lexer = new QueryFilterLexer(in);
tokens = new TokenRewriteStream(lexer);
parser = new QueryFilterParser(tokens);
query = parser.ql().query;
root = query.getRootOperand();
equal = (LessThan) root;
assertEquals("a", equal.getProperty().getValue());
assertEquals(5, ((LongLiteral) equal.getLiteral()).getValue().intValue());
}
@Override
public Boolean visit(LessThan<T> pLessThan, MemoryLocation pVarName) {
return pLessThan.getOperand1().accept(this, pVarName)
|| pLessThan.getOperand2().accept(this, pVarName);
}