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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;
import javax.el.ELContext;
import javax.el.ELException;
import javax.el.ExpressionFactory;
import org.junit.Assert;
import org.junit.Test;
import org.apache.jasper.el.ELContextImpl;
public class TestExpressionFactory {
@Test(expected = NullPointerException.class)
public void testCreateValueExpression2ParamNullExpectedType() {
ExpressionFactory factory = ExpressionFactory.newInstance();
Assert.assertNotNull(factory);
factory.createValueExpression("foo", null);
}
@Test(expected = NullPointerException.class)
public void testCreateValueExpression3ParamNullExpectedType() {
ExpressionFactory factory = ExpressionFactory.newInstance();
Assert.assertNotNull(factory);
ELContext context = new ELContextImpl(factory);
Assert.assertNotNull(context);
factory.createValueExpression(context, "foo", null);
}
@Test
public void testCoerceToTypeString() {
ExpressionFactory factory = ExpressionFactory.newInstance();
TestObject testObjectA = new TestObject();
Object result = factory.coerceToType(testObjectA, String.class);
Assert.assertEquals(TestObject.OK, result);
}
@Test(expected = ELException.class)
public void testCoerceToTypeStringThrowsException() {
ExpressionFactory factory = ExpressionFactory.newInstance();
TestObjectException testObjectA = new TestObjectException();
factory.coerceToType(testObjectA, String.class);
}
private static class TestObject{
private static final String OK = "OK";
@Override
public String toString() {
return OK;
}
}
private static class TestObjectException{
@Override
public String toString() {
throw new RuntimeException();
}
}
}
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