/*
* 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.commons.jexl2.scripting;
import java.io.StringWriter;
import javax.script.Compilable;
import javax.script.CompiledScript;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import junit.framework.TestCase;
public class JexlScriptEngineOptionalTest extends TestCase {
private final JexlScriptEngineFactory factory = new JexlScriptEngineFactory();
private final ScriptEngineManager manager = new ScriptEngineManager();
private final ScriptEngine engine = manager.getEngineByName("jexl");
public void testOutput() throws Exception {
String output = factory.getOutputStatement("foo\u00a9bar");
assertEquals("JEXL.out.print('foo\\u00a9bar')", output);
// redirect output to capture evaluation result
final StringWriter outContent = new StringWriter();
engine.getContext().setWriter(outContent);
engine.eval(output);
assertEquals("foo\u00a9bar", outContent.toString());
}
public void testError() throws Exception {
String error = "JEXL.err.print('ERROR')";
// redirect error to capture evaluation result
final StringWriter outContent = new StringWriter();
engine.getContext().setErrorWriter(outContent);
engine.eval(error);
assertEquals("ERROR", outContent.toString());
}
public void testCompilable() throws Exception {
assertTrue("Engine should implement Compilable", engine instanceof Compilable);
Compilable cengine = (Compilable) engine;
CompiledScript script = cengine.compile("40 + 2");
assertEquals(Integer.valueOf(42), script.eval());
assertEquals(Integer.valueOf(42), script.eval());
}
}