content: /*
   * Copyright (C) 2014 Agens AS
   *
   * 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 no.agens.cassowarylayout.util;
  
  import junit.framework.TestCase;
  
  import java.util.Arrays;
  import java.util.List;
  
  import no.agens.cassowarylayout.ConstraintParser;
  import no.agens.cassowarylayout.ConstraintParser;
  
  
  /**
   * Created by alex on 26/09/2014.
   */
  public class InfixToPostFixTest extends TestCase {
  
  
      public void testInfixToPostFix() {
  
          String[] infix = {"3", "+", "4", "*", "2", "/", "(", "1", "-", "5", ")", "^", "2", "^", "3"};
  
          List<String> postFix = ConstraintParser.infixToPostfix(Arrays.asList(infix));
  
          int index = 0;
  
          assertEquals(postFix.get(index++), "3");
          assertEquals(postFix.get(index++), "4");
          assertEquals(postFix.get(index++), "2");
          assertEquals(postFix.get(index++), "*");
          assertEquals(postFix.get(index++), "1");
          assertEquals(postFix.get(index++), "5");
          assertEquals(postFix.get(index++), "-");
          assertEquals(postFix.get(index++), "2");
          assertEquals(postFix.get(index++), "3");
          assertEquals(postFix.get(index++), "^");
          assertEquals(postFix.get(index++), "^");
          assertEquals(postFix.get(index++), "/");
          assertEquals(postFix.get(index++), "+");
      }
  
      public void testInfixToPostFix1PlusTwoTimes3() {
  
          String[] infix = {"1", "+", "2", "*", "3" };
  
          List<String> postFix = ConstraintParser.infixToPostfix(Arrays.asList(infix));
  
          int index = 0;
  
          assertEquals(postFix.get(index++), "1");
          assertEquals(postFix.get(index++), "2");
          assertEquals(postFix.get(index++), "3");
          assertEquals(postFix.get(index++), "*");
          assertEquals(postFix.get(index++), "+");
  
      }
  
      public void testInfixToPostFix1PlusTwoTimes3Braces() {
  
          String[] infix = {"(", "100", "+", "2", ")","*", "3" };
  
          List<String> postFix = ConstraintParser.infixToPostfix(Arrays.asList(infix));
  
          int index = 0;
  
          assertEquals(postFix.get(index++), "100");
          assertEquals(postFix.get(index++), "2");
          assertEquals(postFix.get(index++), "+");
          assertEquals(postFix.get(index++), "3");
          assertEquals(postFix.get(index++), "*");
  
  
      }
  
      public void testRosettaCodeTestCase() {
          String[] infix = {"3", "+", "4", "*", "2","/", "(", "1", "-", "5", ")", "^", "2", "^", "3" };
  
          List<String> postFix = ConstraintParser.infixToPostfix(Arrays.asList(infix));
  
          int index = 0;
  
          assertEquals(postFix.get(index++), "3");
          assertEquals(postFix.get(index++), "4");
          assertEquals(postFix.get(index++), "2");
          assertEquals(postFix.get(index++), "*");
          assertEquals(postFix.get(index++), "1");
          assertEquals(postFix.get(index++), "5");
          assertEquals(postFix.get(index++), "-");
          assertEquals(postFix.get(index++), "2");
          assertEquals(postFix.get(index++), "3");
          assertEquals(postFix.get(index++), "^");
          assertEquals(postFix.get(index++), "^");
          assertEquals(postFix.get(index++), "/");
          assertEquals(postFix.get(index++), "+");
  
      }
  
  }
  