/*
 * 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 CommentTest {
  @Test
  public void testNull() throws Exception {
    Comment c = new Comment((String) null);
    assertEquals("<!-- -->", c.toXML());
  }

  @Test
  public void testEmpty() throws Exception {
    Comment c = new Comment("");
    assertEquals("<!-- -->", c.toXML());
  }

  @Test
  public void testBlank() throws Exception {
    Comment c = new Comment(" ");
    assertEquals("<!-- -->", c.toXML());
  }

  @Test
  public void testSimple() throws Exception {
    Comment c = new Comment("a");
    assertEquals("<!--a-->", c.toXML());
  }

  @Test
  public void testSpaces() throws Exception {
    String text = " a\n<>b!!-!>\t";
    Comment c = new Comment(text);
    assertEquals("<!--" + text + "-->", c.toXML());
    assertEquals(text, c.getText());
  }

  @Test
  public void testMinusMinus() throws Exception {
    try {
      new Comment("--");
      fail("No exception was thrown");
    } catch (XMLParseException e) {
      assertEquals("The text of a comment must not contain '--': [--]", e.getMessage());
    }
  }

  @Test
  public void testToken() throws Exception {
    Token t = new Token();
    t.setSource(new XMLStringSource("<!-- Comment -->"));
    t.setStartOffset(0);
    t.setEndOffset(t.getSource().length());
    Comment c = new Comment(t);
    assertEquals(" Comment ", c.getText());
  }
}