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/*
* 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.lang;
import javax.el.ELContext;
import javax.el.ELManager;
import javax.el.ExpressionFactory;
import javax.el.TesterELContext;
import javax.el.ValueExpression;
import javax.el.VariableMapper;
import org.junit.Assert;
import org.junit.Test;
public class TesterVariableMapperImpl {
@Test
public void testSetVariable01() {
ExpressionFactory factory = ELManager.getExpressionFactory();
ELContext context = new TesterELContext();
ValueExpression ve1 =
factory.createValueExpression(context, "${1}", int.class);
ValueExpression ve2 =
factory.createValueExpression(context, "${2}", int.class);
ValueExpression ve3 =
factory.createValueExpression(context, "${3}", int.class);
VariableMapper mapper = new VariableMapperImpl();
mapper.setVariable("var1", ve1);
mapper.setVariable("var2", ve2);
mapper.setVariable("var3", ve3);
mapper.setVariable("var2", null);
Assert.assertEquals(ve1, mapper.resolveVariable("var1"));
Assert.assertNull(mapper.resolveVariable("var2"));
Assert.assertEquals(ve3, mapper.resolveVariable("var3"));
}
}
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