/*
    * 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
    *
    *      https://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.validator.routines.checkdigit;
  
  import org.junit.jupiter.api.BeforeEach;
  
  /**
   * CAS Number Check Digit Tests.
   */
  class CASNumberCheckDigitTest extends AbstractCheckDigitTest {
  
      private static final String MIN = "00-01-1"; // theoretical
      private static final String WATER = "7732-18-5";
      private static final String ETHANOL = "64-17-5";
      private static final String ASPIRIN = "50-78-2";
      private static final String COFFEIN = "58-08-2";
      private static final String FORMALDEHYDE = "50-00-0";
      private static final String DEXAMETHASONE = "50-02-2";
      private static final String ARSENIC = "7440-38-2";
      private static final String ASBESTOS = "1332-21-4";
      private static final String MAX = "9999999-99-5"; // theoretical
  
      /**
       * {@inheritDoc}
       */
      @Override
      protected String removeCheckDigit(final String code) {
          final String cde = (String) CASNumberCheckDigit.REGEX_VALIDATOR.validate(code);
          if (cde == null || cde.length() <= checkDigitLth) {
              return null;
          }
          return cde.substring(0, cde.length() - checkDigitLth);
      }
  
      /**
       * Sets up routine & valid codes.
       */
      @BeforeEach
      protected void setUp() {
          routine = CASNumberCheckDigit.getInstance();
          valid = new String[] {MIN, WATER, ETHANOL, ASPIRIN, COFFEIN, FORMALDEHYDE, DEXAMETHASONE, ARSENIC, ASBESTOS, MAX};
      }
  
  }