tests/streams/textstreamtest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/streams/textstreamtest.cpp
   3 // Purpose:     wxTextXXXStream unit test
   4 // Author:      Ryan Norton, Vince Harron
   5 // Created:     2004-08-14
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 Ryan Norton, (c) 2006 Vince Harron
   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/txtstrm.h"
  25 #include "wx/wfstream.h"
  26
  27 #if wxUSE_LONGLONG
  28     #include "wx/longlong.h"
  29 #endif
  30
  31 #if wxUSE_UNICODE
  32     #include "wx/mstream.h"
  33 #endif // wxUSE_UNICODE
  34
  35 // ----------------------------------------------------------------------------
  36 // test class
  37 // ----------------------------------------------------------------------------
  38
  39 class TextStreamTestCase : public CppUnit::TestCase
  40 {
  41 public:
  42     TextStreamTestCase();
  43
  44 private:
  45     CPPUNIT_TEST_SUITE( TextStreamTestCase );
  46         CPPUNIT_TEST( Endline );
  47         CPPUNIT_TEST( MiscTests );
  48
  49 #if wxUSE_LONGLONG
  50         CPPUNIT_TEST( TestLongLong );
  51         CPPUNIT_TEST( TestLongLong );
  52 #endif // wxUSE_LONGLONG
  53
  54 #if wxUSE_UNICODE
  55         CPPUNIT_TEST( TestUTF8Input );
  56         CPPUNIT_TEST( TestEmbeddedZerosUTF16LEInput );
  57         CPPUNIT_TEST( TestEmbeddedZerosUTF16BEInput );
  58         CPPUNIT_TEST( TestEmbeddedZerosUTF32LEInput );
  59         CPPUNIT_TEST( TestEmbeddedZerosUTF32BEInput );
  60 #endif // wxUSE_UNICODE
  61     CPPUNIT_TEST_SUITE_END();
  62
  63     void Endline();
  64     void MiscTests();
  65
  66 #if wxUSE_LONGLONG
  67     void TestLongLong();
  68     void TestULongLong();
  69 #endif // wxUSE_LONGLONG
  70
  71 #if wxUSE_UNICODE
  72     void TestUTF8Input();
  73     void TestEmbeddedZerosUTF16LEInput();
  74     void TestEmbeddedZerosUTF16BEInput();
  75     void TestEmbeddedZerosUTF32LEInput();
  76     void TestEmbeddedZerosUTF32BEInput();
  77     void TestInput(const wxMBConv& conv,
  78                    const void* encodedText,
  79                    size_t encodedSize );
  80 #endif // wxUSE_UNICODE
  81
  82
  83     DECLARE_NO_COPY_CLASS(TextStreamTestCase)
  84 };
  85
  86 // register in the unnamed registry so that these tests are run by default
  87 CPPUNIT_TEST_SUITE_REGISTRATION( TextStreamTestCase );
  88
  89 // also include in its own registry so that these tests can be run alone
  90 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextStreamTestCase, "TextStreamTestCase" );
  91
  92 TextStreamTestCase::TextStreamTestCase()
  93 {
  94 }
  95
  96 #if defined(__WINDOWS__) || defined(__WXPM__)
  97 #   define NEWLINE "\r\n"
  98 #   define NEWLINELEN 2
  99 #elif defined(__WXMAC__) && !defined(__DARWIN__)
 100 #   define NEWLINE "\r"
 101 #   define NEWLINELEN 1
 102 #else
 103 #   define NEWLINE "\n"
 104 #   define NEWLINELEN 1
 105 #endif
 106
 107 void TextStreamTestCase::Endline()
 108 {
 109     wxFileOutputStream* pOutFile = new wxFileOutputStream(wxT("test.txt"));
 110     wxTextOutputStream* pOutText = new wxTextOutputStream(*pOutFile);
 111     *pOutText   << wxT("Test text") << endl
 112                 << wxT("More Testing Text (There should be newline before this)");
 113
 114     delete pOutText;
 115     delete pOutFile;
 116
 117     wxFileInputStream* pInFile = new wxFileInputStream(wxT("test.txt"));
 118
 119     char szIn[9 + NEWLINELEN];
 120
 121     pInFile->Read(szIn, 9 + NEWLINELEN);
 122
 123     CPPUNIT_ASSERT( memcmp(&szIn[9], NEWLINE, NEWLINELEN) == 0 );
 124
 125     delete pInFile;
 126 }
 127
 128 void TextStreamTestCase::MiscTests()
 129 {
 130     wxString filename = wxT("testdata.fc");
 131     wxFileInputStream fsIn(filename);
 132     if ( !fsIn.IsOk() )
 133     {
 134         return;
 135     }
 136
 137     wxTextInputStream tis(fsIn);
 138     CPPUNIT_ASSERT_EQUAL("# this is the test data file for wxFileConfig tests", tis.ReadLine());
 139     CPPUNIT_ASSERT_EQUAL("value1=one", tis.ReadLine());
 140     CPPUNIT_ASSERT_EQUAL("# a comment here", tis.ReadLine());
 141     CPPUNIT_ASSERT_EQUAL("value2=two", tis.ReadLine());
 142     CPPUNIT_ASSERT_EQUAL("value\\ with\\ spaces\\ inside\\ it=nothing special", tis.ReadLine());
 143     CPPUNIT_ASSERT_EQUAL("path=$PATH", tis.ReadLine());
 144 }
 145
 146 #if wxUSE_LONGLONG
 147
 148 template <typename T>
 149 static void DoTestRoundTrip(const T *values, size_t numValues)
 150 {
 151     {
 152         wxFileOutputStream fileOut(wxT("test.txt"));
 153         wxTextOutputStream textOut(fileOut);
 154
 155         for ( size_t n = 0; n < numValues; n++ )
 156         {
 157             textOut << values[n] << endl;
 158         }
 159     }
 160
 161     {
 162         wxFileInputStream fileIn(wxT("test.txt"));
 163         wxTextInputStream textIn(fileIn);
 164
 165         T value;
 166         for ( size_t n = 0; n < numValues; n++ )
 167         {
 168             textIn >> value;
 169
 170             CPPUNIT_ASSERT( value == values[n] );
 171         }
 172     }
 173 }
 174
 175 void TextStreamTestCase::TestLongLong()
 176 {
 177     static const wxLongLong llvalues[] =
 178     {
 179         0,
 180         1,
 181         -1,
 182         0x12345678l,
 183         -0x12345678l,
 184         wxLL(0x123456789abcdef0),
 185         wxLL(-0x123456789abcdef0),
 186     };
 187
 188     DoTestRoundTrip(llvalues, WXSIZEOF(llvalues));
 189 }
 190
 191 void TextStreamTestCase::TestULongLong()
 192 {
 193     static const wxULongLong ullvalues[] =
 194     {
 195         0,
 196         1,
 197         0x12345678l,
 198         wxULL(0x123456789abcdef0),
 199     };
 200
 201     DoTestRoundTrip(ullvalues, WXSIZEOF(ullvalues));
 202 }
 203
 204 #endif // wxUSE_LONGLONG
 205
 206 #if wxUSE_UNICODE
 207
 208 static const wchar_t txtWchar[4] =
 209 {
 210     0x0041, // LATIN CAPITAL LETTER A
 211     0x0100, // A WITH BREVE, LATIN SMALL LETTER
 212     0x0041, // LATIN CAPITAL LETTER A
 213     0x0100, // A WITH BREVE, LATIN SMALL LETTER
 214 };
 215
 216 static const unsigned char txtUtf8[6] =
 217 {
 218     0x41, 0xc4, 0x80, 0x41, 0xc4, 0x80,
 219 };
 220
 221 static const unsigned char txtUtf16le[8] =
 222 {
 223     0x41, 0x00, 0x00, 0x01, 0x41, 0x00, 0x00, 0x01,
 224 };
 225
 226 static const unsigned char txtUtf16be[8] =
 227 {
 228     0x00, 0x41, 0x01, 0x00, 0x00, 0x41, 0x01, 0x00,
 229 };
 230
 231 static const unsigned char txtUtf32le[16] =
 232 {
 233     0x41, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
 234     0x41, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
 235 };
 236
 237 static const unsigned char txtUtf32be[16] =
 238 {
 239     0x00, 0x00, 0x00, 0x41, 0x00, 0x00, 0x01, 0x00,
 240     0x00, 0x00, 0x00, 0x41, 0x00, 0x00, 0x01, 0x00,
 241 };
 242
 243 void TextStreamTestCase::TestUTF8Input()
 244 {
 245     TestInput(wxConvUTF8, txtUtf8, sizeof(txtUtf8));
 246     TestInput(wxCSConv(wxFONTENCODING_UTF8), txtUtf8, sizeof(txtUtf8));
 247 }
 248
 249 void TextStreamTestCase::TestEmbeddedZerosUTF16LEInput()
 250 {
 251     TestInput(wxMBConvUTF16LE(), txtUtf16le, sizeof(txtUtf16le));
 252     TestInput(wxCSConv(wxFONTENCODING_UTF16LE), txtUtf16le, sizeof(txtUtf16le));
 253 }
 254
 255 void TextStreamTestCase::TestEmbeddedZerosUTF16BEInput()
 256 {
 257     TestInput(wxMBConvUTF16BE(), txtUtf16be, sizeof(txtUtf16be));
 258     TestInput(wxCSConv(wxFONTENCODING_UTF16BE), txtUtf16be, sizeof(txtUtf16be));
 259 }
 260
 261 void TextStreamTestCase::TestEmbeddedZerosUTF32LEInput()
 262 {
 263     TestInput(wxMBConvUTF32LE(), txtUtf32le, sizeof(txtUtf32le));
 264     TestInput(wxCSConv(wxFONTENCODING_UTF32LE), txtUtf32le, sizeof(txtUtf32le));
 265 }
 266
 267 void TextStreamTestCase::TestEmbeddedZerosUTF32BEInput()
 268 {
 269     TestInput(wxMBConvUTF32BE(), txtUtf32be, sizeof(txtUtf32be));
 270     TestInput(wxCSConv(wxFONTENCODING_UTF32BE), txtUtf32be, sizeof(txtUtf32be));
 271 }
 272
 273 void TextStreamTestCase::TestInput(const wxMBConv& conv,
 274                                    const void *encodedText,
 275                                    size_t encodedSize)
 276 {
 277     wxMemoryInputStream byteIn(encodedText, encodedSize);
 278     wxTextInputStream textIn(byteIn, wxT("\n"), conv);
 279
 280     wxString temp;
 281     while ( wxChar c = textIn.GetChar() )
 282     {
 283         temp.Append(c);
 284     }
 285
 286     CPPUNIT_ASSERT_EQUAL( WXSIZEOF(txtWchar), temp.length() );
 287
 288     CPPUNIT_ASSERT_EQUAL( 0, memcmp(txtWchar, temp.wc_str(), sizeof(txtWchar)) );
 289 }
 290
 291 #endif // wxUSE_UNICODE