Test http://www.w3.org/2001/DOM-Test-Suite/level3/ls/DOMWriterTest3

<test name='DOMWriterTest3' schemaLocation='http://www.w3.org/2001/DOM-Test-Suite/Level-3 dom3.xsd'>
     <metadata>
          <title>DOMWriterTest3</title>
          <creator>Jeroen van Rotterdam</creator>
          <description>Serializes a document with a XML declaration for both for 'xml-declaration' configuration values.</description>
          <contributor>X-Hive Corporation</contributor>
          <date qualifier='created'>2002-03-23</date>
          <subject resource='http://www.w3.org/TR/2003/CR-DOM-Level-3-Core-20031107/core#DOMConfiguration-canSetParameter'/>
          <subject resource='http://www.w3.org/TR/2003/CR-DOM-Level-3-LS-20031107/load-save#LS-LSSerializer-config'/>
</metadata>
     <var name='configuration' type='DOMConfiguration'/>
     <var name='XML_DECLARATION' type='DOMString' value='"xml-declaration"'/>
     <var name='stringDoc' type='DOMString' value='"<?xml version='1.0'?><hello>me again</hello>"'/>
     <var name='writeResult' type='DOMString'/>
     <var name='xmlDecl' type='DOMString'/>
     <var name='implementation' type='DOMImplementation'/>
     <var name='lsImplementation' type='DOMImplementationLS'/>
     <var name='inputSource' type='LSInput'/>
     <var name='document' type='Document'/>
     <var name='writer' type='LSSerializer'/>
     <var name='builder' type='LSParser'/>
     <!-- constants -->
     <var name='MODE_SYNCHRONOUS' type='short' value='1'/>
     <var name='MODE_ASYNCHRONOUS' type='short' value='2'/>
     <var name='DTD_SCHEMATYPE' type='DOMString' value='"http://www.w3.org/TR/REC-xml"'/>
     <var name='SCHEMA_SCHEMATYPE' type='DOMString' value='"http://www.w3.org/2001/XMLSchema"'/>
     <var name='NULL_SCHEMATYPE' type='DOMString' isNull='true'/>
     <!-- action types DOMParser.parseWithContext -->
     <var name='ACTION_REPLACE_CHILDREN' type='short' value='2'/>
     <var name='ACTION_APPEND_AS_CHILDREN' type='short' value='1'/>
     <var name='ACTION_INSERT_AFTER' type='short' value='4'/>
     <var name='ACTION_INSERT_BEFORE' type='short' value='3'/>
     <var name='ACTION_REPLACE' type='short' value='5'/>
     <!-- testfiles -->
     <var name='TEST0' type='DOMString' value='"test0"'/>
     <var name='TEST1' type='DOMString' value='"test1"'/>
     <var name='TEST2' type='DOMString' value='"test2"'/>
     <var name='TEST3' type='DOMString' value='"test3"'/>
     <var name='TEST4' type='DOMString' value='"test4"'/>
     <var name='TEST5' type='DOMString' value='"test5"'/>
     <var name='TEST6' type='DOMString' value='"test6"'/>
     <var name='TEST7' type='DOMString' value='"test7"'/>
     <var name='TESTPDF' type='DOMString' value='"testpdf"'/>
     <implementation var='implementation'/>
     <assign var='lsImplementation' value='implementation'/>
     <createLSParser var='builder' obj='lsImplementation' mode='MODE_SYNCHRONOUS' schemaType='NULL_SCHEMATYPE'/>
     <createLSSerializer var='writer' obj='lsImplementation'/>
     <createLSInput var='inputSource' obj='lsImplementation'/>
     <!-- parse the string -->
     <stringData obj='inputSource' value='stringDoc'/>
     <parse var='document' obj='builder' input='inputSource'/>
     <!-- include xml declaration on serialization -->
     <domConfig var='configuration' obj='writer' interface='LSSerializer'/>
     <setParameter obj='configuration' name='XML_DECLARATION' value='false'/>
     <writeToString var='writeResult' obj='writer' nodeArg='document'/>
     <assertEquals actual='writeResult' expected='"<hello>me again</hello>"' id='without_xml_declaration' ignoreCase='false'/>
     <setParameter obj='configuration' name='XML_DECLARATION' value='true'/>
     <writeToString var='writeResult' obj='writer' nodeArg='document'/>
     <substring var='xmlDecl' obj='writeResult' beginIndex='0' endIndex='6'/>
     <assertEquals actual='xmlDecl' expected='"<?xml "' id='with_xml_declaration' ignoreCase='false'/>
</test>

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