content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * Licensed 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.activiti.core.el.juel.tree.impl.ast;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.activiti.core.el.juel.test.TestCase;
  import org.junit.jupiter.api.Test;
  
  public class AstEvalTest extends TestCase {
  
      AstEval parseNode(String expression) {
          return (AstEval) parse(expression).getRoot();
      }
  
      @Test
      public void testIsLeftValue() {
          assertFalse(parseNode("${1}").isLeftValue());
          assertTrue(parseNode("${foo.bar}").isLeftValue());
      }
  
      @Test
      public void testIsDeferred() {
          assertTrue(parseNode("#{1}").isDeferred());
          assertFalse(parseNode("${1}").isDeferred());
      }
  
      @Test
      public void testEval() {
          assertEquals(1l, parseNode("${1}").eval(null, null));
      }
  
      @Test
      public void testAppendStructure() {
          StringBuilder s = new StringBuilder();
          parseNode("${1}").appendStructure(s, null);
          assertEquals("${1}", s.toString());
      }
  }
  