/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.el.parser;
import jakarta.el.ELProcessor;
import org.junit.Assert;
import org.junit.Test;
public class TestAstNot {
@Test
public void test01() {
ELProcessor processor = new ELProcessor();
Boolean result = processor.eval("!null");
Assert.assertEquals(Boolean.TRUE, result);
}
@Test
public void test02() {
ELProcessor processor = new ELProcessor();
Boolean result = processor.eval("!true");
Assert.assertEquals(Boolean.FALSE, result);
}
@Test
public void test03() {
ELProcessor processor = new ELProcessor();
Boolean result = processor.eval("!false");
Assert.assertEquals(Boolean.TRUE, result);
}
}