content: /*
   * 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.asterix.lexergenerator;
  
  import static org.apache.asterix.lexergenerator.Fixtures.*;
  import static org.junit.Assert.*;
  
  import org.apache.asterix.lexergenerator.rules.RuleEpsilon;
  import org.junit.Test;
  
  public class LexerNodeAppendNodeTest {
  
      @Test
      public void AppendIsMergeIfNoActions() throws Exception {
          LexerNode node = new LexerNode();
          LexerNode node2 = new LexerNode();
          node2.append(createRule("rule"));
          node2.appendTokenName(token_name);
          node.append(node2);
          assertEquals("rule_clone! ", node.toString());
      }
  
      @Test
      public void AppendIsAppend() throws Exception {
          LexerNode node = new LexerNode();
          node.append(createRule("A"));
          LexerNode node2 = new LexerNode();
          node2.append(createRule("rule"));
          node2.appendTokenName(token_name);
          node.append(node2);
          assertEquals("Arule_clone! ", node.toString());
      }
  
      @Test
      public void AppendedNodesAreCloned() throws Exception {
          LexerNode node = new LexerNode();
          node.append(createRule("A"));
          node.appendTokenName(token_name);
          LexerNode node2 = new LexerNode();
          node2.append(createRule("B"));
          node2.appendTokenName(token2_name);
          node.append(node2);
          // TODO
          // assertEquals("A! B_clone! ", node.toString());
  
          LexerNode node3 = new LexerNode();
          node3.append(createRule("C"));
          node3.append(createRule("D"));
          node3.appendTokenName(token2_name);
          node.append(node3);
          // TODO
          // assertEquals("A! B_clone! C_cloneD_clone! ", node.toString());
      }
  
      @Test
      public void EpsilonRuleDoesNotPropagateAppended() throws Exception {
          LexerNode node = new LexerNode();
          node.append(new RuleEpsilon());
          LexerNode node2 = new LexerNode();
          node2.append(createRule("A"));
          node2.appendTokenName(token2_name);
          node.append(node2);
          assertEquals("A_clone! ", node.toString());
      }
  
      @Test
      public void EpsilonRuleIsRemovedAndIssueMerge() throws Exception {
          LexerNode node = new LexerNode();
          node.append(new RuleEpsilon());
          LexerNode node2 = new LexerNode();
          node2.append(createRule("A"));
          node2.appendTokenName(token2_name);
          node.append(node2);
          node.add(new RuleEpsilon());
          node.append(node2);
          // TODO
          // assertEquals(" ( A_clone! A_clone!  || A_clone!  ) ", node.toString());
      }
  
  }
  