tests/xml/parser/driver.cxx


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// file      : tests/xml/parser/driver.cxx
// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
// license   : MIT; see accompanying LICENSE file

#include <string>
#include <cassert>
#include <iostream>
#include <sstream>

#include <cutl/xml/parser.hxx>

using namespace std;
namespace xml = cutl::xml;
using namespace xml;

int
main ()
{
  // Test error handling.
  //
  try
  {
    istringstream is ("<root><nested>X</nasted></root>");
    parser p (is, "test");

    assert (p.next () == parser::start_element);
    assert (p.next () == parser::start_element);
    assert (p.next () == parser::characters && p.value () == "X");
    p.next ();
    assert (false);
  }
  catch (const xml::exception& e)
  {
    // cerr << e.what () << endl;
  }

  try
  {
    istringstream is ("<root/>");
    is.exceptions (ios_base::badbit | ios_base::failbit);
    parser p (is, "test");

    is.setstate (ios_base::badbit);
    p.next ();
    assert (false);
  }
  catch (const ios_base::failure& e)
  {
  }

  // Test content processing.
  //

  // empty
  //
  {
    istringstream is ("<root x=' x '>  \n\t </root>");
    parser p (is, "empty");

    assert (p.next () == parser::start_element);
    p.content (parser::empty);
    assert (p.next () == parser::start_attribute);
    assert (p.next () == parser::characters && p.value () == " x ");
    assert (p.next () == parser::end_attribute);
    assert (p.next () == parser::end_element);
    assert (p.next () == parser::eof);
  }

  try
  {
    istringstream is ("<root>  \n &amp; X \t </root>");
    parser p (is, "empty");

    assert (p.next () == parser::start_element);
    p.content (parser::empty);
    p.next ();
    assert (false);
  }
  catch (const xml::exception& e)
  {
    // cerr << e.what () << endl;
  }

  // simple
  //
  {
    istringstream is ("<root> X </root>");
    parser p (is, "simple");

    assert (p.next () == parser::start_element);
    p.content (parser::simple);
    assert (p.next () == parser::characters && p.value () == " X ");
    assert (p.next () == parser::end_element);
    assert (p.next () == parser::eof);
  }

  try
  {
    istringstream is ("<root> ? <nested/></root>");
    parser p (is, "simple");

    assert (p.next () == parser::start_element);
    p.content (parser::simple);
    assert (p.next () == parser::characters && p.value () == " ? ");
    p.next ();
    assert (false);
  }
  catch (const xml::exception& e)
  {
    // cerr << e.what () << endl;
  }

  // complex
  //
  {
    istringstream is ("<root x=' x '>\n"
                      "  <nested>\n"
                      "    <inner/>\n"
                      "    <inner> X </inner>\n"
                      "  </nested>\n"
                      "</root>\n");
    parser p (is, "complex");

    assert (p.next () == parser::start_element); // root
    p.content (parser::complex);

    assert (p.next () == parser::start_attribute);
    assert (p.next () == parser::characters && p.value () == " x ");
    assert (p.next () == parser::end_attribute);

    assert (p.next () == parser::start_element); // nested
    p.content (parser::complex);

    assert (p.next () == parser::start_element); // inner
    p.content (parser::empty);
    assert (p.next () == parser::end_element);   // inner

    assert (p.next () == parser::start_element); // inner
    p.content (parser::simple);
    assert (p.next () == parser::characters && p.value () == " X ");
    assert (p.next () == parser::end_element);   // inner

    assert (p.next () == parser::end_element);   // nested
    assert (p.next () == parser::end_element);   // root
    assert (p.next () == parser::eof);
  }

  try
  {
    istringstream is ("<root> \n<n/> X <n> X </n>  </root>");
    parser p (is, "complex");

    assert (p.next () == parser::start_element);
    p.content (parser::complex);
    assert (p.next () == parser::start_element);
    assert (p.next () == parser::end_element);
    p.next ();
    assert (false);
  }
  catch (const xml::exception& e)
  {
    // cerr << e.what () << endl;
  }
}