/*
 * Copyright (c) 2008, Aaron Digulla
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Aaron Digulla nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
package de.pdark.decentxml;

import static org.junit.Assert.*;

import org.junit.Test;

public class XMLParseExceptionTest {
  @Test
  public void testWithNullToken() throws Exception {
    XMLParseException e = new XMLParseException("x", (Token) null);
    assertEquals("x", e.getMessage());
    assertNull(e.getSource());
  }

  @Test
  public void testWithElement() throws Exception {
    Element e = new Element("xxx");
    XMLParseException ex = new XMLParseException("test", e);
    assertEquals("Line 1, column 1: test", ex.getMessage());
  }

  @Test
  public void testOffset() throws Exception {
    XMLSource source = new XMLStringSource("a\rb\r\nc\nd");
    XMLParseException e = new XMLParseException("x", source, source.length() - 1);
    assertEquals(7, e.getOffset());
    assertEquals("Line 4, column 1: x", e.getMessage());
    assertEquals(source, e.getSource());
  }

  @Test
  public void testColumn() throws Exception {
    XMLSource source = new XMLStringSource("a\rb\r\nc\nd");
    XMLParseException e = new XMLParseException("x", source, source.length());
    assertEquals(2, e.getColumn());
    assertEquals("Line 4, column 2: x", e.getMessage());
  }

  @Test
  public void testLineStartOffset() throws Exception {
    XMLSource source = new XMLStringSource("a\rb\r\nc\n");
    XMLParseException e = new XMLParseException("x", source, source.length());
    assertEquals(7, e.getLineStartOffset());
    assertEquals("Line 4, column 1: x", e.getMessage());
  }

  @Test
  public void testCalcLineNumber() throws Exception {
    XMLSource source = new XMLStringSource("a\rb\r\nc\r\n");
    XMLParseException e = new XMLParseException("x", source, source.length());
    assertEquals(1, e.getColumn());
    assertEquals(8, e.getLineStartOffset());
    assertEquals("Line 4, column 1: x", e.getMessage());
  }

  @Test
  public void testCalcLineNumber2() throws Exception {
    XMLSource source = new XMLStringSource("a\rb\r\nc\r");
    XMLParseException e = new XMLParseException("x", source, source.length());
    assertEquals(7, e.getLineStartOffset());
    assertEquals("Line 4, column 1: x", e.getMessage());
  }
}