/*
    * Copyright (C) 2012, Christian Halstrick and others
    *
    * This program and the accompanying materials are made available under the
    * terms of the Eclipse Distribution License v. 1.0 which is available at
    * https://www.eclipse.org/org/documents/edl-v10.php.
    *
    * SPDX-License-Identifier: BSD-3-Clause
    */
  package org.eclipse.jgit.util;
  
  import static org.junit.Assert.fail;
  
  import java.text.ParseException;
  import java.util.Calendar;
  import java.util.GregorianCalendar;
  
  import org.eclipse.jgit.junit.MockSystemReader;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.experimental.theories.DataPoints;
  import org.junit.experimental.theories.Theories;
  import org.junit.experimental.theories.Theory;
  import org.junit.runner.RunWith;
  
  /**
   * Tests which assert that unparseable Strings lead to ParseExceptions
   */
  @RunWith(Theories.class)
  public class GitDateParserBadlyFormattedTest {
  	private String dateStr;
  
  	@Before
  	public void setUp() {
  		MockSystemReader mockSystemReader = new MockSystemReader();
  		SystemReader.setInstance(mockSystemReader);
  	}
  
  	@After
  	public void tearDown() {
  		SystemReader.setInstance(null);
  	}
  
  	public GitDateParserBadlyFormattedTest(String dateStr) {
  		this.dateStr = dateStr;
  	}
  
  	@DataPoints
  	public static String[] getDataPoints() {
  		return new String[] { "", "1970", "3000.3000.3000", "3 yesterday ago",
  				"now yesterday ago", "yesterdays", "3.day. 2.week.ago",
  				"day ago", "Gra Feb 21 15:35:00 2007 +0100",
  				"Sun Feb 21 15:35:00 2007 +0100",
  				"Wed Feb 21 15:35:00 Grand +0100" };
  	}
  
  	@Theory
  	public void badlyFormattedWithExplicitRef() {
  		Calendar ref = new GregorianCalendar(SystemReader.getInstance()
  				.getTimeZone(), SystemReader.getInstance().getLocale());
  		try {
  			GitDateParser.parse(dateStr, ref, SystemReader.getInstance()
  					.getLocale());
  			fail("The expected ParseException while parsing '" + dateStr
  					+ "' did not occur.");
  		} catch (ParseException e) {
  			// expected
  		}
  	}
  
  	@Theory
  	public void badlyFormattedWithoutRef() {
  		try {
  			GitDateParser.parse(dateStr, null, SystemReader.getInstance()
  					.getLocale());
  			fail("The expected ParseException while parsing '" + dateStr
  					+ "' did not occur.");
  		} catch (ParseException e) {
  			// expected
  		}
  	}
  }