/*
 *  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 "webrtc/libjingle/xmllite/xmlbuilder.h"
#include "webrtc/libjingle/xmllite/xmlelement.h"
#include "webrtc/libjingle/xmllite/xmlparser.h"
#include "webrtc/base/common.h"
#include "webrtc/base/gunit.h"

using buzz::XmlBuilder;
using buzz::XmlElement;
using buzz::XmlParser;

TEST(XmlBuilderTest, TestTrivial) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing/>");
  EXPECT_EQ("<testing/>", builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestAttributes1) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing a='b'/>");
  EXPECT_EQ("<testing a=\"b\"/>", builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestAttributes2) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing e='' long='some text'/>");
  EXPECT_EQ("<testing e=\"\" long=\"some text\"/>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestNesting1) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder,
      "<top><first/><second><third></third></second></top>");
  EXPECT_EQ("<top><first/><second><third/></second></top>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestNesting2) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder,
    "<top><fifth><deeper><and><deeper/></and><sibling><leaf/>"
    "</sibling></deeper></fifth><first/><second><third></third>"
    "</second></top>");
  EXPECT_EQ("<top><fifth><deeper><and><deeper/></and><sibling><leaf/>"
    "</sibling></deeper></fifth><first/><second><third/>"
    "</second></top>", builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestQuoting1) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing a='>'/>");
  EXPECT_EQ("<testing a=\"&gt;\"/>", builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestQuoting2) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing a='&lt;>&amp;&quot;'/>");
  EXPECT_EQ("<testing a=\"&lt;&gt;&amp;&quot;\"/>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestQuoting3) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing a='so &quot;important&quot;'/>");
  EXPECT_EQ("<testing a=\"so &quot;important&quot;\"/>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestQuoting4) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing a='&quot;important&quot;, yes'/>");
  EXPECT_EQ("<testing a=\"&quot;important&quot;, yes\"/>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestQuoting5) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder,
      "<testing a='&lt;what is &quot;important&quot;&gt;'/>");
  EXPECT_EQ("<testing a=\"&lt;what is &quot;important&quot;&gt;\"/>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestText1) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing>></testing>");
  EXPECT_EQ("<testing>&gt;</testing>", builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestText2) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing>&lt;>&amp;&quot;</testing>");
  EXPECT_EQ("<testing>&lt;&gt;&amp;\"</testing>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestText3) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing>so &lt;important&gt;</testing>");
  EXPECT_EQ("<testing>so &lt;important&gt;</testing>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestText4) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing>&lt;important&gt;, yes</testing>");
  EXPECT_EQ("<testing>&lt;important&gt;, yes</testing>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestText5) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder,
      "<testing>importance &amp;&lt;important&gt;&amp;</testing>");
  EXPECT_EQ("<testing>importance &amp;&lt;important&gt;&amp;</testing>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestNamespace1) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing xmlns='foo'/>");
  EXPECT_EQ("<testing xmlns=\"foo\"/>", builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestNamespace2) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing xmlns:a='foo' a:b='c'/>");
  EXPECT_EQ("<testing xmlns:a=\"foo\" a:b=\"c\"/>",
      builder.BuiltElement()->Str());
}

TEST(XmlBuilderTest, TestNamespace3) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing xmlns:a=''/>");
  EXPECT_TRUE(NULL == builder.BuiltElement());
}

TEST(XmlBuilderTest, TestNamespace4) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing a:b='c'/>");
  EXPECT_TRUE(NULL == builder.BuiltElement());
}

TEST(XmlBuilderTest, TestAttrCollision1) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder, "<testing a='first' a='second'/>");
  EXPECT_TRUE(NULL == builder.BuiltElement());
}

TEST(XmlBuilderTest, TestAttrCollision2) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder,
      "<testing xmlns:a='foo' xmlns:b='foo' a:x='c' b:x='d'/>");
  EXPECT_TRUE(NULL == builder.BuiltElement());
}

TEST(XmlBuilderTest, TestAttrCollision3) {
  XmlBuilder builder;
  XmlParser::ParseXml(&builder,
      "<testing xmlns:a='foo'><nested xmlns:b='foo' a:x='c' b:x='d'/>"
      "</testing>");
  EXPECT_TRUE(NULL == builder.BuiltElement());
}