package org.apache.maven.repository.internal;
   
   /*
    * 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.
   */
  
  import static org.junit.Assert.assertTrue;
  
  import java.text.SimpleDateFormat;
  import java.util.Arrays;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.HashSet;
  import java.util.Locale;
  import java.util.Set;
  
  import org.apache.maven.artifact.repository.metadata.Metadata;
  import org.eclipse.aether.artifact.DefaultArtifact;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  public class RemoteSnapshotMetadataTest
  {
      private Locale defaultLocale;
  
      @Before
      public void setLocaleToUseBuddhistCalendar()
      {
          defaultLocale = Locale.getDefault();
          Locale.setDefault( new Locale( "th", "TH" ) );
      }
  
      @After
      public void restoreLocale()
      {
          Locale.setDefault( defaultLocale );
      }
  
      static String gregorianDate()
      {
          SimpleDateFormat df = new SimpleDateFormat( "yyyyMMdd" );
          df.setCalendar( new GregorianCalendar() );
          df.setTimeZone( RemoteSnapshotMetadata.DEFAULT_SNAPSHOT_TIME_ZONE );
          return df.format( new Date() );
      }
  
      @Test
      public void gregorianCalendarIsUsed()
      {
          String dateBefore = gregorianDate();
  
          RemoteSnapshotMetadata metadata = new RemoteSnapshotMetadata(
                  new DefaultArtifact( "a:b:1-SNAPSHOT" ), false);
          metadata.merge( new Metadata() );
  
          String dateAfter = gregorianDate();
  
          String ts = metadata.metadata.getVersioning().getSnapshot().getTimestamp();
          String datePart = ts.replaceAll( "\\..*", "" );
  
          /* Allow for this test running across midnight */
          Set<String> expected = new HashSet<String>( Arrays.asList( dateBefore, dateAfter ) );
          assertTrue( "Expected " + datePart + " to be in " + expected,
                  expected.contains( datePart ) );
      }
  }