/**
* Licensed to Odiago, Inc. under one or more contributor license
* agreements. See the NOTICE.txt file distributed with this work for
* additional information regarding copyright ownership. Odiago, Inc.
* licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package com.odiago.flumebase.parser;
import org.testng.annotations.Test;
import static org.testng.AssertJUnit.*;
import com.odiago.flumebase.exec.BuiltInSymbolTable;
import com.odiago.flumebase.exec.HashSymbolTable;
import com.odiago.flumebase.exec.SymbolTable;
import com.odiago.flumebase.lang.Type;
import com.odiago.flumebase.lang.TypeChecker;
public class TestFnCallExpr extends ExprTestCase {
@Test
public void testLengthFn() throws Exception {
FnCallExpr fnCallExpr;
TypeChecker checker;
Object value;
SymbolTable symbols = new HashSymbolTable(new BuiltInSymbolTable());
// This is expected to succeed.
fnCallExpr = new FnCallExpr("length");
fnCallExpr.addArg(new ConstExpr(Type.getPrimitive(Type.TypeName.STRING), "meep"));
checker = new TypeChecker(symbols);
fnCallExpr.accept(checker);
value = fnCallExpr.eval(getEmptyEventWrapper());
assertEquals(Integer.valueOf(4), value);
}
}