/*
* 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 jakarta.el;
import org.junit.Assert;
import org.junit.Test;
public class TestELResolver {
@Test
public void testConvertToType01() {
ELContext context = new TesterELContext();
ValueExpression ve = ELManager.getExpressionFactory().createValueExpression(context, "1", String.class);
String result = (String) ve.getValue(context);
Assert.assertEquals("1", result);
}
@Test
public void testConvertToType02() {
ELContext context = new TesterELContext(new TesterELResolverOne());
ValueExpression ve = ELManager.getExpressionFactory().createValueExpression(context, "1", String.class);
String result = (String) ve.getValue(context);
Assert.assertEquals("ONE", result);
}
@Test
public void testConvertToType03() {
ELContext context = new TesterELContext(new TesterELResolverOne());
ValueExpression ve = ELManager.getExpressionFactory().createValueExpression(context, "2", String.class);
String result = (String) ve.getValue(context);
Assert.assertEquals("2", result);
}
@Test
public void testConvertToType04() {
CompositeELResolver resolver = new CompositeELResolver();
ELContext context = new TesterELContext(resolver);
ValueExpression ve = ELManager.getExpressionFactory().createValueExpression(context, "2", String.class);
String result = (String) ve.getValue(context);
Assert.assertEquals("2", result);
}
@Test
public void testConvertToType05() {
CompositeELResolver resolver = new CompositeELResolver();
resolver.add(new TesterELResolverOne());
resolver.add(new TesterELResolverTwo());
ELContext context = new TesterELContext(resolver);
ValueExpression ve = ELManager.getExpressionFactory().createValueExpression(context, "1", String.class);
String result = (String) ve.getValue(context);
Assert.assertEquals("ONE", result);
}
@Test
public void testConvertToType06() {
CompositeELResolver resolver = new CompositeELResolver();
resolver.add(new TesterELResolverOne());
resolver.add(new TesterELResolverTwo());
ELContext context = new TesterELContext(resolver);
ValueExpression ve = ELManager.getExpressionFactory().createValueExpression(context, "2", String.class);
String result = (String) ve.getValue(context);
Assert.assertEquals("TWO", result);
}
@Test
public void testConvertToType07() {
CompositeELResolver resolver = new CompositeELResolver();
resolver.add(new TesterELResolverOne());
resolver.add(new TesterELResolverTwo());
ELContext context = new TesterELContext(resolver);
ValueExpression ve = ELManager.getExpressionFactory().createValueExpression(context, "3", String.class);
String result = (String) ve.getValue(context);
Assert.assertEquals("3", result);
}
// https://bz.apache.org/bugzilla/show_bug.cgi?id=57802
@Test
public void testDefaultConvertToType() {
ELContext context = new TesterELContext(new StaticFieldELResolver());
ValueExpression ve =
ELManager.getExpressionFactory().createValueExpression(context, "${!Boolean.FALSE}", Boolean.class);
Boolean result = (Boolean) ve.getValue(context);
Assert.assertEquals(Boolean.TRUE, result);
}
}