tests/xml/xmltest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/xml/xmltest.cpp
   3 // Purpose:     XML classes unit test
   4 // Author:      Vaclav Slavik
   5 // Created:     2008-03-29
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2008 Vaclav Slavik
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/wx.h"
  22 #endif // WX_PRECOMP
  23
  24 #include "wx/xml/xml.h"
  25 #include "wx/sstream.h"
  26
  27 #include <stdarg.h>
  28
  29 // ----------------------------------------------------------------------------
  30 // helpers for testing XML tree
  31 // ----------------------------------------------------------------------------
  32
  33 namespace
  34 {
  35
  36 void CheckXml(wxXmlNode *n, ...)
  37 {
  38     va_list args;
  39     va_start(args, n);
  40
  41     wxXmlNode *child = n->GetChildren();
  42
  43     for (;;)
  44     {
  45         const char *childName = va_arg(args, char*);
  46         if ( childName == NULL )
  47             break;
  48
  49         CPPUNIT_ASSERT( child );
  50         CPPUNIT_ASSERT_EQUAL( childName, child->GetName() );
  51         CPPUNIT_ASSERT( child->GetChildren() == NULL );
  52         CPPUNIT_ASSERT( child->GetParent() == n );
  53
  54         child = child->GetNext();
  55     }
  56
  57     va_end(args);
  58
  59     CPPUNIT_ASSERT( child == NULL ); // no more children
  60 }
  61
  62 } // anon namespace
  63
  64 // ----------------------------------------------------------------------------
  65 // test class
  66 // ----------------------------------------------------------------------------
  67
  68 class XmlTestCase : public CppUnit::TestCase
  69 {
  70 public:
  71     XmlTestCase() {}
  72
  73 private:
  74     CPPUNIT_TEST_SUITE( XmlTestCase );
  75         CPPUNIT_TEST( InsertChild );
  76         CPPUNIT_TEST( InsertChildAfter );
  77         CPPUNIT_TEST( LoadSave );
  78     CPPUNIT_TEST_SUITE_END();
  79
  80     void InsertChild();
  81     void InsertChildAfter();
  82     void LoadSave();
  83
  84     DECLARE_NO_COPY_CLASS(XmlTestCase)
  85 };
  86
  87 // register in the unnamed registry so that these tests are run by default
  88 CPPUNIT_TEST_SUITE_REGISTRATION( XmlTestCase );
  89
  90 // also include in it's own registry so that these tests can be run alone
  91 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( XmlTestCase, "XmlTestCase" );
  92
  93 void XmlTestCase::InsertChild()
  94 {
  95     wxXmlNode *root = new wxXmlNode(wxXML_ELEMENT_NODE, "root");
  96     root->AddChild(new wxXmlNode(wxXML_ELEMENT_NODE, "1"));
  97     wxXmlNode *two = new wxXmlNode(wxXML_ELEMENT_NODE, "2");
  98     root->AddChild(two);
  99     root->AddChild(new wxXmlNode(wxXML_ELEMENT_NODE, "3"));
 100     CheckXml(root, "1", "2", "3", NULL);
 101
 102     // check inserting in front:
 103     root->InsertChild(new wxXmlNode(wxXML_ELEMENT_NODE, "A"), NULL);
 104     CheckXml(root, "A", "1", "2", "3", NULL);
 105     root->InsertChild(new wxXmlNode(wxXML_ELEMENT_NODE, "B"), root->GetChildren());
 106     CheckXml(root, "B", "A", "1", "2", "3", NULL);
 107
 108     // and in the middle:
 109     root->InsertChild(new wxXmlNode(wxXML_ELEMENT_NODE, "C"), two);
 110     CheckXml(root, "B", "A", "1", "C", "2", "3", NULL);
 111 }
 112
 113 void XmlTestCase::InsertChildAfter()
 114 {
 115     wxXmlNode *root = new wxXmlNode(wxXML_ELEMENT_NODE, "root");
 116
 117     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "1"), NULL);
 118     CheckXml(root, "1", NULL);
 119
 120     wxXmlNode *two = new wxXmlNode(wxXML_ELEMENT_NODE, "2");
 121     root->AddChild(two);
 122     wxXmlNode *three = new wxXmlNode(wxXML_ELEMENT_NODE, "3");
 123     root->AddChild(three);
 124     CheckXml(root, "1", "2", "3", NULL);
 125
 126     // check inserting in the middle:
 127     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "A"), root->GetChildren());
 128     CheckXml(root, "1", "A", "2", "3", NULL);
 129     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "B"), two);
 130     CheckXml(root, "1", "A", "2", "B", "3", NULL);
 131
 132     // and at the end:
 133     root->InsertChildAfter(new wxXmlNode(wxXML_ELEMENT_NODE, "C"), three);
 134     CheckXml(root, "1", "A", "2", "B", "3", "C", NULL);
 135 }
 136
 137 void XmlTestCase::LoadSave()
 138 {
 139     // NB: this is not real XRC but rather some XRC-like XML fragment which
 140     //     exercises different XML constructs to check that they're saved back
 141     //     correctly
 142     //
 143     // Also note that there should be no blank lines here as they disappear
 144     // after saving.
 145     const char *xmlText =
 146 "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
 147 "<resource xmlns=\"http://www.wxwidgets.org/wxxrc\" version=\"2.3.0.1\">\n"
 148 "  <object class=\"wxDialog\" name=\"my_dialog\">\n"
 149 "    <children>\n"
 150 "      <grandchild id=\"1\"/>\n"
 151 "    </children>\n"
 152 "    <subobject/>\n"
 153 "  </object>\n"
 154 "</resource>\n"
 155     ;
 156
 157     wxStringInputStream sis(xmlText);
 158
 159     wxXmlDocument doc;
 160     CPPUNIT_ASSERT( doc.Load(sis) );
 161
 162     wxStringOutputStream sos;
 163     CPPUNIT_ASSERT( doc.Save(sos) );
 164
 165     CPPUNIT_ASSERT_EQUAL( xmlText, sos.GetString() );
 166
 167
 168     const char *utf8xmlText =
 169 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
 170 "<word>\n"
 171 "  <lang name=\"fr\">\xc3\xa9t\xc3\xa9</lang>\n"
 172 "  <lang name=\"ru\">\xd0\xbb\xd0\xb5\xd1\x82\xd0\xbe</lang>\n"
 173 "</word>\n"
 174     ;
 175
 176     wxStringInputStream sis8(wxString::FromUTF8(utf8xmlText));
 177     CPPUNIT_ASSERT( doc.Load(sis8) );
 178
 179     // this contents can't be represented in Latin-1 as it contains Cyrillic
 180     // letters
 181     doc.SetFileEncoding("ISO-8859-1");
 182     CPPUNIT_ASSERT( !doc.Save(sos) );
 183
 184     // but it should work in UTF-8
 185     wxStringOutputStream sos8;
 186     doc.SetFileEncoding("UTF-8");
 187     CPPUNIT_ASSERT( doc.Save(sos8) );
 188     CPPUNIT_ASSERT_EQUAL( wxString(utf8xmlText),
 189                           wxString(sos8.GetString().ToUTF8()) );
 190 }
 191