text: /*
   *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS.  All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #include <iostream>
  #include <sstream>
  #include <string>
  
  #include "testing/gtest/include/gtest/gtest.h"
  #include "third_party/libjingle_xmpp/xmllite/qname.h"
  #include "third_party/libjingle_xmpp/xmllite/xmlparser.h"
  
  using jingle_xmpp::QName;
  using jingle_xmpp::XmlParser;
  using jingle_xmpp::XmlParseContext;
  using jingle_xmpp::XmlParseHandler;
  
  class XmlParserTestHandler : public XmlParseHandler {
   public:
    virtual void StartElement(XmlParseContext * pctx,
                              const char * name, const char ** atts) {
      ss_ << "START (" << pctx->ResolveQName(name, false).Merged();
      while (*atts) {
        ss_ << ", " << pctx->ResolveQName(*atts, true).Merged()
            << "='" << *(atts+1) << "'";
        atts += 2;
      }
      ss_ << ") ";
    }
    virtual void EndElement(XmlParseContext * pctx, const char * name) {
      ss_ << "END ";
    }
    virtual void CharacterData(XmlParseContext * pctx,
                               const char * text, int len) {
      ss_ << "TEXT (" << std::string(text, len) << ") ";
    }
    virtual void Error(XmlParseContext * pctx, XML_Error code) {
      ss_ << "ERROR (" << static_cast<int>(code) << ") ";
    }
    virtual ~XmlParserTestHandler() {
    }
  
    std::string Str() {
      return ss_.str();
    }
  
    std::string StrClear() {
      std::string result = ss_.str();
      ss_.str("");
      return result;
    }
  
   private:
    std::stringstream ss_;
  };
  
  
  TEST(XmlParserTest, TestTrivial) {
    XmlParserTestHandler handler;
    XmlParser::ParseXml(&handler, "<testing/>");
    EXPECT_EQ("START (testing) END ", handler.Str());
  }
  
  TEST(XmlParserTest, TestAttributes) {
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<testing a='b'/>");
      EXPECT_EQ("START (testing, a='b') END ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<testing e='' long='some text'/>");
      EXPECT_EQ("START (testing, e='', long='some text') END ", handler.Str());
    }
  }
  
  TEST(XmlParserTest, TestNesting) {
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<top><first/><second><third></third></second></top>");
      EXPECT_EQ("START (top) START (first) END START (second) START (third) "
          "END END END ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<top><fifth><deeper><and><deeper/></and>"
          "<sibling><leaf/></sibling></deeper></fifth><first/><second>"
          "<third></third></second></top>");
      EXPECT_EQ("START (top) START (fifth) START (deeper) START (and) START "
              "(deeper) END END START (sibling) START (leaf) END END END "
              "END START (first) END START (second) START (third) END END END ",
              handler.Str());
    }
  }
  
  TEST(XmlParserTest, TestXmlDecl) {
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<?xml version=\"1.0\"?><testing/>");
      EXPECT_EQ("START (testing) END ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<?xml version=\"1.0\" encoding=\"utf-8\"?><testing/>");
      EXPECT_EQ("START (testing) END ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>"
          "<testing/>");
      EXPECT_EQ("START (testing) END ", handler.Str());
    }
  }
  
  TEST(XmlParserTest, TestNamespace) {
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<top xmlns='my-namespace' a='b'/>");
      EXPECT_EQ("START (my-namespace:top, xmlns='my-namespace', a='b') END ",
          handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<foo:top xmlns:foo='my-namespace' "
            "a='b' foo:c='d'/>");
      EXPECT_EQ("START (my-namespace:top, "
          "http://www.w3.org/2000/xmlns/:foo='my-namespace', "
          "a='b', my-namespace:c='d') END ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<top><nested xmlns='my-namespace'><leaf/>"
          "</nested><sibling/></top>");
      EXPECT_EQ("START (top) START (my-namespace:nested, xmlns='my-namespace') "
          "START (my-namespace:leaf) END END START (sibling) END END ",
          handler.Str());
    }
  }
  
  TEST(XmlParserTest, TestIncremental) {
    XmlParserTestHandler handler;
    XmlParser parser(&handler);
    std::string fragment;
  
    fragment = "<stream:stream";
    parser.Parse(fragment.c_str(), fragment.length(), false);
    EXPECT_EQ("", handler.StrClear());
  
    fragment = " id=\"abcdefg\" xmlns=\"";
    parser.Parse(fragment.c_str(), fragment.length(), false);
    EXPECT_EQ("", handler.StrClear());
  
    fragment = "j:c\" xmlns:stream='hm";
    parser.Parse(fragment.c_str(), fragment.length(), false);
    EXPECT_EQ("", handler.StrClear());
  
    fragment = "ph'><test";
    parser.Parse(fragment.c_str(), fragment.length(), false);
    EXPECT_EQ("START (hmph:stream, id='abcdefg', xmlns='j:c', "
        "http://www.w3.org/2000/xmlns/:stream='hmph') ", handler.StrClear());
  
    fragment = "ing/><again/>abracad";
    parser.Parse(fragment.c_str(), fragment.length(), false);
    EXPECT_EQ("START (j:c:testing) END START (j:c:again) END TEXT (abracad) ",
        handler.StrClear());
  
    fragment = "abra</stream:";
    parser.Parse(fragment.c_str(), fragment.length(), false);
    EXPECT_EQ("TEXT (abra) ", handler.StrClear());
  
    fragment = "stream>";
    parser.Parse(fragment.c_str(), fragment.length(), false);
    EXPECT_EQ("END ", handler.StrClear());
  }
  
  TEST(XmlParserTest, TestReset) {
    {
      XmlParserTestHandler handler;
      XmlParser parser(&handler);
      std::string fragment;
  
      fragment = "<top><first/><second><third></third>";
      parser.Parse(fragment.c_str(), fragment.length(), false);
      EXPECT_EQ("START (top) START (first) END START (second) START (third) END ",
          handler.StrClear());
  
      parser.Reset();
      fragment = "<tip><first/><second><third></third>";
      parser.Parse(fragment.c_str(), fragment.length(), false);
      EXPECT_EQ("START (tip) START (first) END START (second) START (third) END ",
          handler.StrClear());
    }
    {
      XmlParserTestHandler handler;
      XmlParser parser(&handler);
      std::string fragment;
  
      fragment = "<top xmlns='m'>";
      parser.Parse(fragment.c_str(), fragment.length(), false);
      EXPECT_EQ("START (m:top, xmlns='m') ", handler.StrClear());
  
      fragment = "<testing/><frag";
      parser.Parse(fragment.c_str(), fragment.length(), false);
      EXPECT_EQ("START (m:testing) END ", handler.StrClear());
  
      parser.Reset();
      fragment = "<testing><fragment/";
      parser.Parse(fragment.c_str(), fragment.length(), false);
      EXPECT_EQ("START (testing) ", handler.StrClear());
  
      fragment = ">";
      parser.Parse(fragment.c_str(), fragment.length(), false);
      EXPECT_EQ("START (fragment) END ", handler.StrClear());
    }
  }
  
  TEST(XmlParserTest, TestError) {
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "junk");
      EXPECT_EQ("ERROR (2) ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<top/> garbage ");
      EXPECT_EQ("START (top) END ERROR (9) ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<-hm->");
      EXPECT_EQ("ERROR (4) ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler, "<hello>&foobar;</hello>");
      EXPECT_EQ("START (hello) ERROR (11) ", handler.Str());
    }
    {
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<!DOCTYPE HTML PUBLIC \"foobar\" \"barfoo\">");
      EXPECT_EQ("ERROR (3) ", handler.Str());
    }
    {
      // XmlParser requires utf-8
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><test/>");
      EXPECT_EQ("ERROR (19) ", handler.Str());
    }
    {
      // XmlParser requires version 1.0
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<?xml version=\"2.0\"?><test/>");
      EXPECT_EQ("ERROR (2) ", handler.Str());
    }
    {
      // XmlParser requires standalone documents
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<?xml version=\"1.0\" standalone=\"no\"?><test/>");
      EXPECT_EQ("ERROR (2) ", handler.Str());
    }
    {
      // XmlParser doesn't like empty namespace URIs
      XmlParserTestHandler handler;
      XmlParser::ParseXml(&handler,
          "<test xmlns:foo='' foo:bar='huh?'>");
      EXPECT_EQ("ERROR (2) ", handler.Str());
    }
  }
  