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 com.aliyun.oss.common.utils;
  
  import static org.junit.Assert.assertTrue;
  
  import java.text.ParseException;
  import java.util.Date;
  
  import org.junit.Test;
  
  public class DateUtilTest {
  
      @Test
      public void testFormatGMTDate() {
          String expectedRegex = "\\w{3}, \\d{2} \\w{3} \\d{4} \\d{2}:\\d{2}:\\d{2} GMT";
  
          String actual = DateUtil.formatRfc822Date(new Date());
          assertTrue(actual.matches(expectedRegex));
      }
  
      @Test
      public void testFormatIso8601Date() {
          String expectedRegex = "\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}Z";
  
          String actual = DateUtil.formatAlternativeIso8601Date(new Date());
          assertTrue(actual.matches(expectedRegex));
      }
  
      @Test
      public void testParseIso8601Date() {
          try {
              DateUtil.parseIso8601Date("invalid");
              assertTrue(false);
          } catch (ParseException e) {
              assertTrue(true);
          }
      }
  }
  