xmltest.cpp

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/*
   Test program for TinyXML.
*/


#include <tinyxml.h>

#ifdef TIXML_USE_STL
        #include <iostream>
        #include <sstream>
        using namespace std;
#else
        #include <stdio.h>
#endif

#if defined( WIN32 ) && defined( TUNE )
        #include <crtdbg.h>
        _CrtMemState startMemState;
        _CrtMemState endMemState;
#endif

static int gPass = 0;
static int gFail = 0;


bool XmlTest (const char* testString, const char* expected, const char* found, bool noEcho = false)
{
        bool pass = !strcmp( expected, found );
        if ( pass )
                printf ("[pass]");
        else
                printf ("[fail]");

        if ( noEcho )
                printf (" %s\n", testString);
        else
                printf (" %s [%s][%s]\n", testString, expected, found);

        if ( pass )
                ++gPass;
        else
                ++gFail;
        return pass;
}


bool XmlTest( const char* testString, int expected, int found, bool noEcho = false )
{
        bool pass = ( expected == found );
        if ( pass )
                printf ("[pass]");
        else
                printf ("[fail]");

        if ( noEcho )
                printf (" %s\n", testString);
        else
                printf (" %s [%d][%d]\n", testString, expected, found);

        if ( pass )
                ++gPass;
        else
                ++gFail;
        return pass;
}


//
// This file demonstrates some basic functionality of TinyXml.
// Note that the example is very contrived. It presumes you know
// what is in the XML file. But it does test the basic operations,
// and show how to add and remove nodes.
//

int main()
{
        //
        // We start with the 'demoStart' todo list. Process it. And
        // should hopefully end up with the todo list as illustrated.
        //
        const char* demoStart =
                "<?xml version=\"1.0\"  standalone='no' >\n"
                "<!-- Our to do list data -->"
                "<ToDo>\n"
                "<!-- Do I need a secure PDA? -->\n"
                "<Item priority=\"1\" distance='close'> Go to the <bold>Toy store!</bold></Item>"
                "<Item priority=\"2\" distance='none'> Do bills   </Item>"
                "<Item priority=\"2\" distance='far &amp; back'> Look for Evil Dinosaurs! </Item>"
                "</ToDo>";

#ifdef TIXML_USE_STL
        /*      What the todo list should look like after processing.
                In stream (no formatting) representation. */
        const char* demoEnd =
                "<?xml version=\"1.0\" standalone=\"no\" ?>"
                "<!-- Our to do list data -->"
                "<ToDo>"
                "<!-- Do I need a secure PDA? -->"
                "<Item priority=\"2\" distance=\"close\">Go to the"
                "<bold>Toy store!"
                "</bold>"
                "</Item>"
                "<Item priority=\"1\" distance=\"far\">Talk to:"
                "<Meeting where=\"School\">"
                "<Attendee name=\"Marple\" position=\"teacher\" />"
                "<Attendee name=\"Voel\" position=\"counselor\" />"
                "</Meeting>"
                "<Meeting where=\"Lunch\" />"
                "</Item>"
                "<Item priority=\"2\" distance=\"here\">Do bills"
                "</Item>"
                "</ToDo>";
#endif

        // The example parses from the character string (above):
        #if defined( WIN32 ) && defined( TUNE )
        _CrtMemCheckpoint( &startMemState );
        #endif  

        {
                // Write to a file and read it back, to check file I/O.

                TiXmlDocument doc( "demotest.xml" );
                doc.Parse( demoStart );

                if ( doc.Error() )
                {
                        printf( "Error in %s: %s\n", doc.Value(), doc.ErrorDesc() );
                        exit( 1 );
                }
                doc.SaveFile();
        }

        TiXmlDocument doc( "demotest.xml" );
        bool loadOkay = doc.LoadFile();

        if ( !loadOkay )
        {
                printf( "Could not load test file 'demotest.xml'. Error='%s'. Exiting.\n", doc.ErrorDesc() );
                exit( 1 );
        }

        printf( "** Demo doc read from disk: ** \n\n" );
        doc.Print( stdout );

        TiXmlNode* node = 0;
        TiXmlElement* todoElement = 0;
        TiXmlElement* itemElement = 0;


        // --------------------------------------------------------
        // An example of changing existing attributes, and removing
        // an element from the document.
        // --------------------------------------------------------

        // Get the "ToDo" element.
        // It is a child of the document, and can be selected by name.
        node = doc.FirstChild( "ToDo" );
        assert( node );
        todoElement = node->ToElement();
        assert( todoElement  );

        // Going to the toy store is now our second priority...
        // So set the "priority" attribute of the first item in the list.
        node = todoElement->FirstChildElement();        // This skips the "PDA" comment.
        assert( node );
        itemElement = node->ToElement();
        assert( itemElement  );
        itemElement->SetAttribute( "priority", 2 );

        // Change the distance to "doing bills" from
        // "none" to "here". It's the next sibling element.
        itemElement = itemElement->NextSiblingElement();
        assert( itemElement );
        itemElement->SetAttribute( "distance", "here" );

        // Remove the "Look for Evil Dinosaurs!" item.
        // It is 1 more sibling away. We ask the parent to remove
        // a particular child.
        itemElement = itemElement->NextSiblingElement();
        todoElement->RemoveChild( itemElement );

        itemElement = 0;

        // --------------------------------------------------------
        // What follows is an example of created elements and text
        // nodes and adding them to the document.
        // --------------------------------------------------------

        // Add some meetings.
        TiXmlElement item( "Item" );
        item.SetAttribute( "priority", "1" );
        item.SetAttribute( "distance", "far" );

        TiXmlText text( "Talk to:" );

        TiXmlElement meeting1( "Meeting" );
        meeting1.SetAttribute( "where", "School" );

        TiXmlElement meeting2( "Meeting" );
        meeting2.SetAttribute( "where", "Lunch" );

        TiXmlElement attendee1( "Attendee" );
        attendee1.SetAttribute( "name", "Marple" );
        attendee1.SetAttribute( "position", "teacher" );

        TiXmlElement attendee2( "Attendee" );
        attendee2.SetAttribute( "name", "Voel" );
        attendee2.SetAttribute( "position", "counselor" );

        // Assemble the nodes we've created:
        meeting1.InsertEndChild( attendee1 );
        meeting1.InsertEndChild( attendee2 );

        item.InsertEndChild( text );
        item.InsertEndChild( meeting1 );
        item.InsertEndChild( meeting2 );

        // And add the node to the existing list after the first child.
        node = todoElement->FirstChild( "Item" );
        assert( node );
        itemElement = node->ToElement();
        assert( itemElement );

        todoElement->InsertAfterChild( itemElement, item );

        printf( "\n** Demo doc processed: ** \n\n" );
        doc.Print( stdout );


#ifdef TIXML_USE_STL
        printf( "** Demo doc processed to stream: ** \n\n" );
        cout << doc << endl << endl;
#endif

        // --------------------------------------------------------
        // Different tests...do we have what we expect?
        // --------------------------------------------------------

        int count = 0;
        TiXmlElement*   element;

        //////////////////////////////////////////////////////

#ifdef TIXML_USE_STL
        cout << "** Basic structure. **\n";
        ostringstream outputStream( ostringstream::out );
        outputStream << doc;
        XmlTest( "Output stream correct.",      string( demoEnd ).c_str(),
                                                                                outputStream.str().c_str(), true );
#endif

        node = doc.RootElement();
        XmlTest( "Root element exists.", true, ( node != 0 && node->ToElement() ) );
        XmlTest ( "Root element value is 'ToDo'.", "ToDo",  node->Value());

        node = node->FirstChild();
        XmlTest( "First child exists & is a comment.", true, ( node != 0 && node->ToComment() ) );
        node = node->NextSibling();
        XmlTest( "Sibling element exists & is an element.", true, ( node != 0 && node->ToElement() ) );
        XmlTest ( "Value is 'Item'.", "Item", node->Value() );

        node = node->FirstChild();
        XmlTest ( "First child exists.", true, ( node != 0 && node->ToText() ) );
        XmlTest ( "Value is 'Go to the'.", "Go to the", node->Value() );


        //////////////////////////////////////////////////////
        printf ("\n** Iterators. **\n");

        // Walk all the top level nodes of the document.
        count = 0;
        for( node = doc.FirstChild();
                 node;
                 node = node->NextSibling() )
        {
                count++;
        }
        XmlTest( "Top level nodes, using First / Next.", 3, count );

        count = 0;
        for( node = doc.LastChild();
                 node;
                 node = node->PreviousSibling() )
        {
                count++;
        }
        XmlTest( "Top level nodes, using Last / Previous.", 3, count );

        // Walk all the top level nodes of the document,
        // using a different syntax.
        count = 0;
        for( node = doc.IterateChildren( 0 );
                 node;
                 node = doc.IterateChildren( node ) )
        {
                count++;
        }
        XmlTest( "Top level nodes, using IterateChildren.", 3, count );

        // Walk all the elements in a node.
        count = 0;
        for( element = todoElement->FirstChildElement();
                 element;
                 element = element->NextSiblingElement() )
        {
                count++;
        }
        XmlTest( "Children of the 'ToDo' element, using First / Next.",
                3, count );

        // Walk all the elements in a node by value.
        count = 0;
        for( node = todoElement->FirstChild( "Item" );
                 node;
                 node = node->NextSibling( "Item" ) )
        {
                count++;
        }
        XmlTest( "'Item' children of the 'ToDo' element, using First/Next.", 3, count );

        count = 0;
        for( node = todoElement->LastChild( "Item" );
                 node;
                 node = node->PreviousSibling( "Item" ) )
        {
                count++;
        }
        XmlTest( "'Item' children of the 'ToDo' element, using Last/Previous.", 3, count );

#ifdef TIXML_USE_STL
        {
                cout << "\n** Parsing. **\n";
                istringstream parse0( "<Element0 attribute0='foo0' attribute1= noquotes attribute2 = '&gt;' />" );
                TiXmlElement element0( "default" );
                parse0 >> element0;

                XmlTest ( "Element parsed, value is 'Element0'.", "Element0", element0.Value() );
                XmlTest ( "Reads attribute 'attribute0=\"foo0\"'.", "foo0", element0.Attribute( "attribute0" ));
                XmlTest ( "Reads incorrectly formatted 'attribute1=noquotes'.", "noquotes", element0.Attribute( "attribute1" ) );
                XmlTest ( "Read attribute with entity value '>'.", ">", element0.Attribute( "attribute2" ) );
        }
#endif

        {
                const char* error =     "<?xml version=\"1.0\" standalone=\"no\" ?>\n"
                                                        "<passages count=\"006\" formatversion=\"20020620\">\n"
                                                        "    <wrong error>\n"
                                                        "</passages>";

        TiXmlDocument doc;
                doc.Parse( error );
                XmlTest( "Error row", doc.ErrorRow(), 3 );
                XmlTest( "Error column", doc.ErrorCol(), 17 );
                //printf( "error=%d id='%s' row %d col%d\n", (int) doc.Error(), doc.ErrorDesc(), doc.ErrorRow()+1, doc.ErrorCol() + 1 );

        }
        {
                const char* str =       "\t<?xml version=\"1.0\" standalone=\"no\" ?>\t<room doors='2'>\n"
                                                        "  <!-- Silly example -->\n"
                                                        "    <door wall='north'>A great door!</door>\n"
                                                        "\t<door wall='east'/>"
                                                        "</room>";

        TiXmlDocument doc;
                doc.Parse( str );

                TiXmlHandle docHandle( &doc );
                TiXmlHandle roomHandle = docHandle.FirstChildElement( "room" );
                TiXmlHandle commentHandle = docHandle.FirstChildElement( "room" ).FirstChild();
                TiXmlHandle textHandle = docHandle.FirstChildElement( "room" ).ChildElement( "door", 0 ).FirstChild();
                TiXmlHandle door0Handle = docHandle.FirstChildElement( "room" ).ChildElement( 0 );
                TiXmlHandle door1Handle = docHandle.FirstChildElement( "room" ).ChildElement( 1 );

                assert( docHandle.Node() );
                assert( roomHandle.Element() );
                assert( commentHandle.Node() );
                assert( textHandle.Text() );
                assert( door0Handle.Element() );
                assert( door1Handle.Element() );

                TiXmlDeclaration* declaration = doc.FirstChild()->ToDeclaration();
                assert( declaration );
                TiXmlElement* room = roomHandle.Element();
                assert( room );
                TiXmlAttribute* doors = room->FirstAttribute();
                assert( doors );
                TiXmlText* text = textHandle.Text();
                TiXmlComment* comment = commentHandle.Node()->ToComment();
                assert( comment );
                TiXmlElement* door0 = door0Handle.Element();
                TiXmlElement* door1 = door1Handle.Element();

                XmlTest( "Location tracking: Declaration row", declaration->Row(), 1 );
                XmlTest( "Location tracking: Declaration col", declaration->Column(), 5 );
                XmlTest( "Location tracking: room row", room->Row(), 1 );
                XmlTest( "Location tracking: room col", room->Column(), 45 );
                XmlTest( "Location tracking: doors row", doors->Row(), 1 );
                XmlTest( "Location tracking: doors col", doors->Column(), 51 );
                XmlTest( "Location tracking: Comment row", comment->Row(), 2 );
                XmlTest( "Location tracking: Comment col", comment->Column(), 3 );
                XmlTest( "Location tracking: text row", text->Row(), 3 ); 
                XmlTest( "Location tracking: text col", text->Column(), 24 );
                XmlTest( "Location tracking: door0 row", door0->Row(), 3 );
                XmlTest( "Location tracking: door0 col", door0->Column(), 5 );
                XmlTest( "Location tracking: door1 row", door1->Row(), 4 );
                XmlTest( "Location tracking: door1 col", door1->Column(), 5 );
        }
        {
                const char* str =       "\t<?xml version=\"1.0\" standalone=\"no\" ?>\t<room doors='2'>\n"
                                                        "</room>";

        TiXmlDocument doc;
                doc.SetTabSize( 8 );
                doc.Parse( str );

                TiXmlHandle docHandle( &doc );
                TiXmlHandle roomHandle = docHandle.FirstChildElement( "room" );

                assert( docHandle.Node() );
                assert( roomHandle.Element() );

                TiXmlElement* room = roomHandle.Element();
                assert( room );
                TiXmlAttribute* doors = room->FirstAttribute();
                assert( doors );

                XmlTest( "Location tracking: Tab 8: room row", room->Row(), 1 );
                XmlTest( "Location tracking: Tab 8: room col", room->Column(), 49 );
                XmlTest( "Location tracking: Tab 8: doors row", doors->Row(), 1 );
                XmlTest( "Location tracking: Tab 8: doors col", doors->Column(), 55 );
        }

        {
                const char* str = "<doc attr0='1' attr1='2.0' attr2='foo' />";

                TiXmlDocument doc;
                doc.Parse( str );

                TiXmlElement* ele = doc.FirstChildElement();

                int iVal, result;
                double dVal;

                result = ele->QueryDoubleAttribute( "attr0", &dVal );
                XmlTest( "Query attribute: int as double", result, TIXML_SUCCESS );
                XmlTest( "Query attribute: int as double", (int)dVal, 1 );
                result = ele->QueryDoubleAttribute( "attr1", &dVal );
                XmlTest( "Query attribute: double as double", (int)dVal, 2 );
                result = ele->QueryIntAttribute( "attr1", &iVal );
                XmlTest( "Query attribute: double as int", result, TIXML_SUCCESS );
                XmlTest( "Query attribute: double as int", iVal, 2 );
                result = ele->QueryIntAttribute( "attr2", &iVal );
                XmlTest( "Query attribute: not a number", result, TIXML_WRONG_TYPE );
                result = ele->QueryIntAttribute( "bar", &iVal );
                XmlTest( "Query attribute: does not exist", result, TIXML_NO_ATTRIBUTE );
        }

#ifdef TIXML_USE_STL
        {
                //////////////////////////////////////////////////////
                cout << "\n** Streaming. **\n";

                // Round trip check: stream in, then stream back out to verify. The stream
                // out has already been checked, above. We use the output

                istringstream inputStringStream( outputStream.str() );
                TiXmlDocument document0;

                inputStringStream >> document0;

                ostringstream outputStream0( ostringstream::out );
                outputStream0 << document0;

                XmlTest( "Stream round trip correct.",  string( demoEnd ).c_str(), 
                                                                                                outputStream0.str().c_str(), true );

                std::string str;
                str << document0;

                XmlTest( "String printing correct.", string( demoEnd ).c_str(), 
                                                                                         str.c_str(), true );
        }
#endif

        // --------------------------------------------------------
        // UTF-8 testing. It is important to test:
        //      1. Making sure name, value, and text read correctly
        //      2. Row, Col functionality
        //      3. Correct output
        // --------------------------------------------------------
        printf ("\n** UTF-8 **\n");
        {
                TiXmlDocument doc( "utf8test.xml" );
                doc.LoadFile();
                if ( doc.Error() && doc.ErrorId() == TiXmlBase::TIXML_ERROR_OPENING_FILE ) {
                        printf( "WARNING: File 'utf8test.xml' not found.\n"
                                        "(Are you running the test from the wrong directory?)\n"
                                    "Could not test UTF-8 functionality.\n" );
                }
                else
                {
                        TiXmlHandle docH( &doc );
                        // Get the attribute "value" from the "Russian" element and check it.
                        TiXmlElement* element = docH.FirstChildElement( "document" ).FirstChildElement( "Russian" ).Element();
                        const unsigned char correctValue[] = {  0xd1U, 0x86U, 0xd0U, 0xb5U, 0xd0U, 0xbdU, 0xd0U, 0xbdU, 
                                                                                                        0xd0U, 0xbeU, 0xd1U, 0x81U, 0xd1U, 0x82U, 0xd1U, 0x8cU, 0 };

                        XmlTest( "UTF-8: Russian value.", (const char*)correctValue, element->Attribute( "value" ), true );
                        XmlTest( "UTF-8: Russian value row.", 4, element->Row() );
                        XmlTest( "UTF-8: Russian value column.", 5, element->Column() );

                        const unsigned char russianElementName[] = {    0xd0U, 0xa0U, 0xd1U, 0x83U,
                                                                                                                        0xd1U, 0x81U, 0xd1U, 0x81U,
                                                                                                                        0xd0U, 0xbaU, 0xd0U, 0xb8U,
                                                                                                                        0xd0U, 0xb9U, 0 };
                        const char russianText[] = "<\xD0\xB8\xD0\xBC\xD0\xB5\xD0\xB5\xD1\x82>";

                        TiXmlText* text = docH.FirstChildElement( "document" ).FirstChildElement( (const char*) russianElementName ).Child( 0 ).Text();
                        XmlTest( "UTF-8: Browsing russian element name.",
                                         russianText,
                                         text->Value(),
                                         true );
                        XmlTest( "UTF-8: Russian element name row.", 7, text->Row() );
                        XmlTest( "UTF-8: Russian element name column.", 47, text->Column() );

                        TiXmlDeclaration* dec = docH.Child( 0 ).Node()->ToDeclaration();
                        XmlTest( "UTF-8: Declaration column.", 1, dec->Column() );
                        XmlTest( "UTF-8: Document column.", 1, doc.Column() );

                        // Now try for a round trip.
                        doc.SaveFile( "utf8testout.xml" );

                        // Check the round trip.
                        char savedBuf[256];
                        char verifyBuf[256];
                        int okay = 1;

                        FILE* saved  = fopen( "utf8testout.xml", "r" );
                        FILE* verify = fopen( "utf8testverify.xml", "r" );
                        if ( saved && verify )
                        {
                                while ( fgets( verifyBuf, 256, verify ) )
                                {
                                        fgets( savedBuf, 256, saved );
                                        if ( strcmp( verifyBuf, savedBuf ) )
                                        {
                                                okay = 0;
                                                break;
                                        }
                                }
                                fclose( saved );
                                fclose( verify );
                        }
                        XmlTest( "UTF-8: Verified multi-language round trip.", 1, okay );

                        // On most Western machines, this is an element that contains
                        // the word "resume" with the correct accents, in a latin encoding.
                        // It will be something else completely on non-wester machines,
                        // which is why TinyXml is switching to UTF-8.
                        const char latin[] = "<element>r\x82sum\x82</element>";

                        TiXmlDocument latinDoc;
                        latinDoc.Parse( latin, 0, TIXML_ENCODING_LEGACY );

                        text = latinDoc.FirstChildElement()->FirstChild()->ToText();
                        XmlTest( "Legacy encoding: Verify text element.", "r\x82sum\x82", text->Value() );
                }
        }               

        //////////////////////
        // Copy and assignment
        //////////////////////
        printf ("\n** Copy and Assignment **\n");
        {
                TiXmlElement element( "foo" );
                element.Parse( "<element name='value' />", 0, TIXML_ENCODING_UNKNOWN );

                TiXmlElement elementCopy( element );
                TiXmlElement elementAssign( "foo" );
                elementAssign.Parse( "<incorrect foo='bar'/>", 0, TIXML_ENCODING_UNKNOWN );
                elementAssign = element;

                XmlTest( "Copy/Assign: element copy #1.", "element", elementCopy.Value() );
                XmlTest( "Copy/Assign: element copy #2.", "value", elementCopy.Attribute( "name" ) );
                XmlTest( "Copy/Assign: element assign #1.", "element", elementAssign.Value() );
                XmlTest( "Copy/Assign: element assign #2.", "value", elementAssign.Attribute( "name" ) );
                XmlTest( "Copy/Assign: element assign #3.", true, ( 0 == elementAssign.Attribute( "foo" )) );

                TiXmlComment comment;
                comment.Parse( "<!--comment-->", 0, TIXML_ENCODING_UNKNOWN );
                TiXmlComment commentCopy( comment );
                TiXmlComment commentAssign;
                commentAssign = commentCopy;
                XmlTest( "Copy/Assign: comment copy.", "comment", commentCopy.Value() );
                XmlTest( "Copy/Assign: comment assign.", "comment", commentAssign.Value() );

                TiXmlUnknown unknown;
                unknown.Parse( "<[unknown]>", 0, TIXML_ENCODING_UNKNOWN );
                TiXmlUnknown unknownCopy( unknown );
                TiXmlUnknown unknownAssign;
                unknownAssign.Parse( "incorrect", 0, TIXML_ENCODING_UNKNOWN );
                unknownAssign = unknownCopy;
                XmlTest( "Copy/Assign: unknown copy.", "[unknown]", unknownCopy.Value() );
                XmlTest( "Copy/Assign: unknown assign.", "[unknown]", unknownAssign.Value() );
                
                TiXmlText text( "TextNode" );
                TiXmlText textCopy( text );
                TiXmlText textAssign( "incorrect" );
                textAssign = text;
                XmlTest( "Copy/Assign: text copy.", "TextNode", textCopy.Value() );
                XmlTest( "Copy/Assign: text assign.", "TextNode", textAssign.Value() );

                TiXmlDeclaration dec;
                dec.Parse( "<?xml version='1.0' encoding='UTF-8'?>", 0, TIXML_ENCODING_UNKNOWN );
                TiXmlDeclaration decCopy( dec );
                TiXmlDeclaration decAssign;
                decAssign = dec;

                XmlTest( "Copy/Assign: declaration copy.", "UTF-8", decCopy.Encoding() );
                XmlTest( "Copy/Assign: text assign.", "UTF-8", decAssign.Encoding() );

                TiXmlDocument doc;
                elementCopy.InsertEndChild( textCopy );
                doc.InsertEndChild( decAssign );
                doc.InsertEndChild( elementCopy );
                doc.InsertEndChild( unknownAssign );

                TiXmlDocument docCopy( doc );
                TiXmlDocument docAssign;
                docAssign = docCopy;

                #ifdef TIXML_USE_STL
                std::string original, copy, assign;
                original << doc;
                copy << docCopy;
                assign << docAssign;
                XmlTest( "Copy/Assign: document copy.", original.c_str(), copy.c_str(), true );
                XmlTest( "Copy/Assign: document assign.", original.c_str(), assign.c_str(), true );

                #endif
        }       

        //////////////////////////////////////////////////////
#ifdef TIXML_USE_STL
        printf ("\n** Parsing, no Condense Whitespace **\n");
        TiXmlBase::SetCondenseWhiteSpace( false );
        {
                istringstream parse1( "<start>This  is    \ntext</start>" );
                TiXmlElement text1( "text" );
                parse1 >> text1;

                XmlTest ( "Condense white space OFF.", "This  is    \ntext",
                                        text1.FirstChild()->Value(),
                                        true );
        }
        TiXmlBase::SetCondenseWhiteSpace( true );
#endif

        //////////////////////////////////////////////////////
        // GetText();
        {
                const char* str = "<foo>This is text</foo>";
                TiXmlDocument doc;
                doc.Parse( str );
                const TiXmlElement* element = doc.RootElement();

                XmlTest( "GetText() normal use.", "This is text", element->GetText() );

                str = "<foo><b>This is text</b></foo>";
                doc.Clear();
                doc.Parse( str );
                element = doc.RootElement();

                XmlTest( "GetText() contained element.", element->GetText() == 0, true );

                str = "<foo>This is <b>text</b></foo>";
                doc.Clear();
                TiXmlBase::SetCondenseWhiteSpace( false );
                doc.Parse( str );
                TiXmlBase::SetCondenseWhiteSpace( true );
                element = doc.RootElement();

                XmlTest( "GetText() partial.", "This is ", element->GetText() );
        }


        //////////////////////////////////////////////////////
        // CDATA
        {
                const char* str =       "<xmlElement>"
                                                                "<![CDATA["
                                                                        "I am > the rules!\n"
                                                                        "...since I make symbolic puns"
                                                                "]]>"
                                                        "</xmlElement>";
                TiXmlDocument doc;
                doc.Parse( str );
                doc.Print();

                XmlTest( "CDATA parse.", doc.FirstChildElement()->FirstChild()->Value(), 
                                                                 "I am > the rules!\n...since I make symbolic puns",
                                                                 true );

                #ifdef TIXML_USE_STL
                //cout << doc << '\n';

                doc.Clear();

                istringstream parse0( str );
                parse0 >> doc;
                //cout << doc << '\n';

                XmlTest( "CDATA stream.", doc.FirstChildElement()->FirstChild()->Value(), 
                                                                 "I am > the rules!\n...since I make symbolic puns",
                                                                 true );
                #endif

                TiXmlDocument doc1 = doc;
                //doc.Print();

                XmlTest( "CDATA copy.", doc1.FirstChildElement()->FirstChild()->Value(), 
                                                                 "I am > the rules!\n...since I make symbolic puns",
                                                                 true );
        }


        //////////////////////////////////////////////////////
        printf ("\n** Bug regression tests **\n");

        // InsertBeforeChild and InsertAfterChild causes crash.
        {
                TiXmlElement parent( "Parent" );
                TiXmlElement childText0( "childText0" );
                TiXmlElement childText1( "childText1" );
                TiXmlNode* childNode0 = parent.InsertEndChild( childText0 );
                TiXmlNode* childNode1 = parent.InsertBeforeChild( childNode0, childText1 );

                XmlTest( "Test InsertBeforeChild on empty node.", ( childNode1 == parent.FirstChild() ), true );
        }

        {
                // InsertBeforeChild and InsertAfterChild causes crash.
                TiXmlElement parent( "Parent" );
                TiXmlElement childText0( "childText0" );
                TiXmlElement childText1( "childText1" );
                TiXmlNode* childNode0 = parent.InsertEndChild( childText0 );
                TiXmlNode* childNode1 = parent.InsertAfterChild( childNode0, childText1 );

                XmlTest( "Test InsertAfterChild on empty node. ", ( childNode1 == parent.LastChild() ), true );
        }

        // Reports of missing constructors, irregular string problems.
        {
                // Missing constructor implementation. No test -- just compiles.
                TiXmlText text( "Missing" );

                #ifdef TIXML_USE_STL
                        // Missing implementation:
                        TiXmlDocument doc;
                        string name = "missing";
                        doc.LoadFile( name );

                        TiXmlText textSTL( name );
                #else
                        // verifying some basic string functions:
                        TiXmlString a;
                        TiXmlString b( "Hello" );
                        TiXmlString c( "ooga" );

                        c = " World!";
                        a = b;
                        a += c;
                        a = a;

                        XmlTest( "Basic TiXmlString test. ", "Hello World!", a.c_str() );
                #endif
        }

        // Long filenames crashing STL version
        {
                TiXmlDocument doc( "midsummerNightsDreamWithAVeryLongFilenameToConfuseTheStringHandlingRoutines.xml" );
                bool loadOkay = doc.LoadFile();
                loadOkay = true;        // get rid of compiler warning.
                // Won't pass on non-dev systems. Just a "no crash" check.
                //XmlTest( "Long filename. ", true, loadOkay );
        }

        {
                // Entities not being written correctly.
                // From Lynn Allen

                const char* passages =
                        "<?xml version=\"1.0\" standalone=\"no\" ?>"
                        "<passages count=\"006\" formatversion=\"20020620\">"
                                "<psg context=\"Line 5 has &quot;quotation marks&quot; and &apos;apostrophe marks&apos;."
                                " It also has &lt;, &gt;, and &amp;, as well as a fake copyright &#xA9;.\"> </psg>"
                        "</passages>";

                TiXmlDocument doc( "passages.xml" );
                doc.Parse( passages );
                TiXmlElement* psg = doc.RootElement()->FirstChildElement();
                const char* context = psg->Attribute( "context" );
                const char* expected = "Line 5 has \"quotation marks\" and 'apostrophe marks'. It also has <, >, and &, as well as a fake copyright \xC2\xA9.";

                XmlTest( "Entity transformation: read. ", expected, context, true );

                FILE* textfile = fopen( "textfile.txt", "w" );
                if ( textfile )
                {
                        psg->Print( textfile, 0 );
                        fclose( textfile );
                }
                textfile = fopen( "textfile.txt", "r" );
                assert( textfile );
                if ( textfile )
                {
                        char buf[ 1024 ];
                        fgets( buf, 1024, textfile );
                        XmlTest( "Entity transformation: write. ",
                                         "<psg context=\'Line 5 has &quot;quotation marks&quot; and &apos;apostrophe marks&apos;."
                                         " It also has &lt;, &gt;, and &amp;, as well as a fake copyright \xC2\xA9.' />",
                                         buf,
                                         true );
                }
                fclose( textfile );
        }

    {
                FILE* textfile = fopen( "test5.xml", "w" );
                if ( textfile )
                {
            fputs("<?xml version='1.0'?><a.elem xmi.version='2.0'/>", textfile);
            fclose(textfile);

                        TiXmlDocument doc;
            doc.LoadFile( "test5.xml" );
            XmlTest( "dot in element attributes and names", doc.Error(), 0);
                }
    }

        {
                FILE* textfile = fopen( "test6.xml", "w" );
                if ( textfile )
                {
            fputs("<element><Name>1.1 Start easy ignore fin thickness&#xA;</Name></element>", textfile );
            fclose(textfile);

            TiXmlDocument doc;
            bool result = doc.LoadFile( "test6.xml" );
            XmlTest( "Entity with one digit.", result, true );

                        TiXmlText* text = doc.FirstChildElement()->FirstChildElement()->FirstChild()->ToText();
                        XmlTest( "Entity with one digit.",
                                                text->Value(), "1.1 Start easy ignore fin thickness\n" );
                }
    }

        {
                // DOCTYPE not preserved (950171)
                // 
                const char* doctype =
                        "<?xml version=\"1.0\" ?>"
                        "<!DOCTYPE PLAY SYSTEM 'play.dtd'>"
                        "<!ELEMENT title (#PCDATA)>"
                        "<!ELEMENT books (title,authors)>"
                        "<element />";

                TiXmlDocument doc;
                doc.Parse( doctype );
                doc.SaveFile( "test7.xml" );
                doc.Clear();
                doc.LoadFile( "test7.xml" );
                
                TiXmlHandle docH( &doc );
                TiXmlUnknown* unknown = docH.Child( 1 ).Unknown();
                XmlTest( "Correct value of unknown.", "!DOCTYPE PLAY SYSTEM 'play.dtd'", unknown->Value() );
                #ifdef TIXML_USE_STL
                TiXmlNode* node = docH.Child( 2 ).Node();
                std::string str;
                str << (*node);
                XmlTest( "Correct streaming of unknown.", "<!ELEMENT title (#PCDATA)>", str.c_str() );
                #endif
        }

        {
                // [ 791411 ] Formatting bug
                // Comments do not stream out correctly.
                const char* doctype = 
                        "<!-- Somewhat<evil> -->";
                TiXmlDocument doc;
                doc.Parse( doctype );

                TiXmlHandle docH( &doc );
                TiXmlComment* comment = docH.Child( 0 ).Node()->ToComment();

                XmlTest( "Comment formatting.", " Somewhat<evil> ", comment->Value() );
                #ifdef TIXML_USE_STL
                std::string str;
                str << (*comment);
                XmlTest( "Comment streaming.", "<!-- Somewhat<evil> -->", str.c_str() );
                #endif
        }

        {
                // [ 870502 ] White space issues
                TiXmlDocument doc;
                TiXmlText* text;
                TiXmlHandle docH( &doc );
        
                const char* doctype0 = "<element> This has leading and trailing space </element>";
                const char* doctype1 = "<element>This has  internal space</element>";
                const char* doctype2 = "<element> This has leading, trailing, and  internal space </element>";

                TiXmlBase::SetCondenseWhiteSpace( false );
                doc.Clear();
                doc.Parse( doctype0 );
                text = docH.FirstChildElement( "element" ).Child( 0 ).Text();
                XmlTest( "White space kept.", " This has leading and trailing space ", text->Value() );

                doc.Clear();
                doc.Parse( doctype1 );
                text = docH.FirstChildElement( "element" ).Child( 0 ).Text();
                XmlTest( "White space kept.", "This has  internal space", text->Value() );

                doc.Clear();
                doc.Parse( doctype2 );
                text = docH.FirstChildElement( "element" ).Child( 0 ).Text();
                XmlTest( "White space kept.", " This has leading, trailing, and  internal space ", text->Value() );

                TiXmlBase::SetCondenseWhiteSpace( true );
                doc.Clear();
                doc.Parse( doctype0 );
                text = docH.FirstChildElement( "element" ).Child( 0 ).Text();
                XmlTest( "White space condensed.", "This has leading and trailing space", text->Value() );

                doc.Clear();
                doc.Parse( doctype1 );
                text = docH.FirstChildElement( "element" ).Child( 0 ).Text();
                XmlTest( "White space condensed.", "This has internal space", text->Value() );

                doc.Clear();
                doc.Parse( doctype2 );
                text = docH.FirstChildElement( "element" ).Child( 0 ).Text();
                XmlTest( "White space condensed.", "This has leading, trailing, and internal space", text->Value() );
        }

        {
                // Double attributes
                const char* doctype = "<element attr='red' attr='blue' />";

                TiXmlDocument doc;
                doc.Parse( doctype );
                
                XmlTest( "Parsing repeated attributes.", 0, (int)doc.Error() ); // not an  error to tinyxml
                XmlTest( "Parsing repeated attributes.", "blue", doc.FirstChildElement( "element" )->Attribute( "attr" ) );
        }

        {
                // Embedded null in stream.
                const char* doctype = "<element att\0r='red' attr='blue' />";

                TiXmlDocument doc;
                doc.Parse( doctype );
                XmlTest( "Embedded null throws error.", true, doc.Error() );

                #ifdef TIXML_USE_STL
                istringstream strm( doctype );
                doc.Clear();
                doc.ClearError();
                strm >> doc;
                XmlTest( "Embedded null throws error.", true, doc.Error() );
                #endif
        }

    {
            // Legacy mode test. (This test may only pass on a western system)
            const char* str =
                        "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>"
                        "<ä>"
                        "CöntäntßäöüÄÖÜ"
                        "</ä>";

            TiXmlDocument doc;
            doc.Parse( str );

                        //doc.Print( stdout, 0 );

            TiXmlHandle docHandle( &doc );
            TiXmlHandle aHandle = docHandle.FirstChildElement( "ä" );
            TiXmlHandle tHandle = aHandle.Child( 0 );
            assert( aHandle.Element() );
            assert( tHandle.Text() );
            XmlTest( "ISO-8859-1 Parsing.", "CöntäntßäöüÄÖÜ", tHandle.Text()->Value() );
    }

        {
                // Empty documents should return TIXML_ERROR_PARSING_EMPTY, bug 1070717
                const char* str = "    ";
                TiXmlDocument doc;
                doc.Parse( str );
                XmlTest( "Empty document error TIXML_ERROR_DOCUMENT_EMPTY", TiXmlBase::TIXML_ERROR_DOCUMENT_EMPTY, doc.ErrorId() );
        }
        #ifndef TIXML_USE_STL
        {
                // String equality. [ 1006409 ] string operator==/!= no worky in all cases
                TiXmlString temp;
                XmlTest( "Empty tinyxml string compare equal", ( temp == "" ), true );

                TiXmlString    foo;
                TiXmlString    bar( "" );
                XmlTest( "Empty tinyxml string compare equal", ( foo == bar ), true );
        }

        #endif
        {
                // Bug [ 1195696 ] from marlonism
                TiXmlBase::SetCondenseWhiteSpace(false); 
                TiXmlDocument xml; 
                xml.Parse("<text><break/>This hangs</text>"); 
                XmlTest( "Test safe error return.", xml.Error(), false );
        }

        {
                // Bug [ 1243992 ] - another infinite loop
                TiXmlDocument doc;
                doc.SetCondenseWhiteSpace(false);
                doc.Parse("<p><pb></pb>test</p>");
        } 
        {
                // Low entities
                TiXmlDocument xml;
                xml.Parse( "<test>&#x0e;</test>" );
                const char result[] = { 0x0e, 0 };
                XmlTest( "Low entities.", xml.FirstChildElement()->GetText(), result );
                xml.Print();
        }

        #if defined( WIN32 ) && defined( TUNE )
        _CrtMemCheckpoint( &endMemState );
        //_CrtMemDumpStatistics( &endMemState );

        _CrtMemState diffMemState;
        _CrtMemDifference( &diffMemState, &startMemState, &endMemState );
        _CrtMemDumpStatistics( &diffMemState );
        #endif

        printf ("\nPass %d, Fail %d\n", gPass, gFail);
        return gFail;
}

---