/*
 * 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.assertEquals;
import static org.junit.Assert.fail;

import org.junit.Test;

public class XMLDeclarationTest {
  @Test
  public void testVersion() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.0");
    assertEquals("<?xml version=\"1.0\"?>", decl.toXML());
  }

  @Test
  public void testVersionSpace() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.0");
    decl.setVersionSpace("\t");
    assertEquals("<?xml\tversion=\"1.0\"?>", decl.toXML());
  }

  @Test
  public void testVersionQuote() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.0");
    decl.setVersionQuote('\'');
    assertEquals("<?xml version='1.0'?>", decl.toXML());
  }

  @Test
  public void testVersionEquals() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.0");
    decl.setVersionEquals(" = ");
    assertEquals("<?xml version = \"1.0\"?>", decl.toXML());
  }

  @Test
  public void testVersion11() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.1");
    assertEquals("<?xml version=\"1.1\"?>", decl.toXML());
  }

  @Test
  public void testEncoding() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.1", "iso-8859-1");
    assertEquals("<?xml version=\"1.1\" encoding=\"iso-8859-1\"?>", decl.toXML());
  }

  @Test
  public void testEncodingSpace() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.1", "iso-8859-1");
    decl.setEncodingSpace("\t");
    assertEquals("<?xml version=\"1.1\"\tencoding=\"iso-8859-1\"?>", decl.toXML());
  }

  @Test
  public void testEncodingQuote() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.1", "iso-8859-1");
    decl.setEncodingQuote('\'');
    assertEquals("<?xml version=\"1.1\" encoding='iso-8859-1'?>", decl.toXML());
  }

  @Test
  public void testParsingSimple() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.0");
    String text = "<?xml version=\"1.0\"?>";
    decl.parseXMLDeclaration(text);

    assertEquals(text, decl.toXML());
    assertEquals(" ", decl.getVersionSpace());
  }

  @Test
  public void testParsingComplex() throws Exception {
    XMLDeclaration decl = new XMLDeclaration("1.0");
    String text =
        "<?xml\t \tversion\t= '1.1'\t encoding\t\t= \t'iso-8859-1'\t\tstandalone =\t'no' \t?>";
    decl.parseXMLDeclaration(text);

    assertEquals(text, decl.toXML());
    assertEquals("\t \t", decl.getVersionSpace());
    assertEquals("\t= ", decl.getVersionEquals());
    assertEquals('\'', decl.getVersionQuote());
    assertEquals("1.1", decl.getVersion());

    assertEquals("\t ", decl.getEncodingSpace());
    assertEquals("\t\t= \t", decl.getEncodingEquals());
    assertEquals('\'', decl.getEncodingQuote());
    assertEquals("iso-8859-1", decl.getEncoding());

    assertEquals("\t\t", decl.getStandaloneSpace());
    assertEquals(" =\t", decl.getStandaloneEquals());
    assertEquals('\'', decl.getStandaloneQuote());
    assertEquals(false, decl.isStandalone());
    assertEquals(true, decl.isShowStandaloneNo());
  }

  @Test
  public void testNullVersion() throws Exception {
    try {
      new XMLDeclaration((String) null);
      fail("No exception was thrown");
    } catch (IllegalArgumentException e) {
      assertEquals("version is null or blank", e.getMessage());
    }
  }

  @Test
  public void testEmptyVersion() throws Exception {
    try {
      new XMLDeclaration("");
      fail("No exception was thrown");
    } catch (IllegalArgumentException e) {
      assertEquals("version is null or blank", e.getMessage());
    }
  }

  @Test
  public void testBlankVersion() throws Exception {
    try {
      new XMLDeclaration(" ");
      fail("No exception was thrown");
    } catch (IllegalArgumentException e) {
      assertEquals("version is null or blank", e.getMessage());
    }
  }

  @Test
  public void testIllegalVersion() throws Exception {
    try {
      new XMLDeclaration("0");
      fail("No exception was thrown");
    } catch (IllegalArgumentException e) {
      assertEquals("only versions '1.0' and '1.1' are supported: [0]", e.getMessage());
    }
  }

  @Test
  public void testNullEncoding() throws Exception {
    assertEquals("<?xml version=\"1.0\"?>", new XMLDeclaration("1.0", null).toXML());
  }

  @Test
  public void testEmptyEncoding() throws Exception {
    try {
      new XMLDeclaration("1.0", "");
      fail("No exception was thrown");
    } catch (IllegalArgumentException e) {
      assertEquals("encoding is blank", e.getMessage());
    }
  }

  @Test
  public void testBlankEncoding() throws Exception {
    try {
      new XMLDeclaration("1.0", " ");
      fail("No exception was thrown");
    } catch (IllegalArgumentException e) {
      assertEquals("encoding is blank", e.getMessage());
    }
  }
}