/*
    * 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.jexl3;
  
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests for malformed expressions and scripts. ({@link org.apache.commons.jexl3.JexlEngine#createExpression(String)} and
   * {@link org.apache.commons.jexl3.JexlEngine#createScript(String)} should throw {@link org.apache.commons.jexl3.JexlException}s).
   */
  public class ParseFailuresTest extends JexlTestCase {
  
      static final Log LOGGER = LogFactory.getLog(ParseFailuresTest.class.getName());
  
      /**
       * Create the test.
       */
      public ParseFailuresTest() {
          super("ParseFailuresTest");
      }
  
      @Test
      public void testMalformedExpression1() throws Exception {
          // this will throw a JexlException
          final String badExpression = "eq";
          final JexlException pe = assertThrows(JexlException.class, () -> JEXL.createExpression(badExpression),
                  () -> "Parsing \"" + badExpression + "\" should result in a JexlException");
          LOGGER.debug(pe);
      }
  
      @Test
      public void testMalformedExpression2() throws Exception {
          // this will throw a TokenMgrErr, which we rethrow as a JexlException
          final String badExpression = "?";
          final JexlException pe = assertThrows(JexlException.class, () -> JEXL.createExpression(badExpression),
                  () -> "Parsing \"" + badExpression + "\" should result in a JexlException");
          LOGGER.debug(pe);
      }
  
      @Test
      public void testMalformedScript1() throws Exception {
          // this will throw a TokenMgrErr, which we rethrow as a JexlException
          final String badScript = "eq";
          final JexlException pe = assertThrows(JexlException.class, () -> JEXL.createExpression(badScript),
                  () -> "Parsing \"" + badScript + "\" should result in a JexlException");
          LOGGER.debug(pe);
      }
  
      @Test
      public void testMalformedScript2() throws Exception {
          // this will throw a TokenMgrErr, which we rethrow as a JexlException
          final String badScript = "?";
          final JexlException pe = assertThrows(JexlException.class, () -> JEXL.createExpression(badScript),
                  () -> "Parsing \"" + badScript + "\" should result in a JexlException");
          LOGGER.debug(pe);
      }
  
      @Test
      public void testMalformedScript3() throws Exception {
          // this will throw a TokenMgrErr, which we rethrow as a JexlException
          final String badScript = "foo=1;bar=2;a?b:c:d;";
          final JexlException pe = assertThrows(JexlException.class, () -> JEXL.createExpression(badScript),
                  () -> "Parsing \"" + badScript + "\" should result in a JexlException");
          LOGGER.debug(pe);
      }
  
  }