/*
* 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.jasper.el;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import jakarta.el.ELContext;
import jakarta.el.ELResolver;
import jakarta.servlet.jsp.el.ImplicitObjectELResolver;
import org.junit.Assert;
import org.junit.Test;
import org.apache.el.stream.StreamELResolverImpl;
import org.apache.jasper.runtime.JspRuntimeLibrary;
public class TestJasperELResolver {
private static final int STANDARD_RESOLVERS_COUNT = 12;
@Test
public void testConstructorNone() throws Exception {
doTestConstructor(0);
}
@Test
public void testConstructorOne() throws Exception {
doTestConstructor(1);
}
@Test
public void testConstructorFive() throws Exception {
doTestConstructor(5);
}
private void doTestConstructor(int count) throws Exception {
List<ELResolver> list = new ArrayList<>();
for (int i = 0; i < count; i++) {
list.add(new ImplicitObjectELResolver());
}
int adjustedForGraalCount = JspRuntimeLibrary.GRAAL ? count + 1 : count;
JasperELResolver resolver =
new JasperELResolver(list, new StreamELResolverImpl());
Assert.assertEquals(Integer.valueOf(count),
getField("appResolversSize", resolver));
Assert.assertEquals(STANDARD_RESOLVERS_COUNT + adjustedForGraalCount,
((ELResolver[])getField("resolvers", resolver)).length);
Assert.assertEquals(Integer.valueOf(STANDARD_RESOLVERS_COUNT + adjustedForGraalCount),
Integer.valueOf(((AtomicInteger) getField("resolversSize", resolver)).get()));
}
private static Object getField(String name, Object target)
throws NoSuchFieldException, SecurityException,
IllegalArgumentException, IllegalAccessException {
Field field = target.getClass().getDeclaredField(name);
field.setAccessible(true);
return field.get(target);
}
@Test
public void testGraalResolver() throws Exception {
ELResolver resolver = new JasperELResolver.GraalBeanELResolver();
ELContext context = new ELContextImpl(resolver);
Assert.assertEquals("foo", resolver.getValue(context, new TestBean(), "foo"));
Assert.assertEquals(Boolean.TRUE, resolver.getValue(context, new TestBean(), "foo2"));
Assert.assertEquals("bla", resolver.getValue(context, new TestBean(), "bla"));
Assert.assertNull(resolver.getValue(context, new TestBean(), "foobar"));
Assert.assertNull(resolver.getValue(context, new TestBean(), "bar"));
Assert.assertFalse(resolver.isReadOnly(context, new TestBean(), "foo"));
Assert.assertTrue(resolver.isReadOnly(context, new TestBean(), "bla"));
}
public static class TestBean {
public String getFoo() {
return "foo";
}
public void setFoo(@SuppressWarnings("unused") String foo) {
}
public boolean isFoo2() {
return true;
}
public void setFoo2(@SuppressWarnings("unused") boolean foo) {
}
public String getBar(@SuppressWarnings("unused") boolean i) {
return "bar";
}
public String isFoobar() {
return "foobar";
}
public String getBla() {
return "bla";
}
public void setBla(@SuppressWarnings("unused") Object bla) {
}
}
}