tests/file/filetest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/file/filetest.cpp
   3 // Purpose:     wxFile unit test
   4 // Author:      Vadim Zeitlin
   5 // Created:     2009-09-12
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #if wxUSE_FILE
  21
  22 #include "wx/file.h"
  23
  24 #include "testfile.h"
  25
  26 // ----------------------------------------------------------------------------
  27 // test class
  28 // ----------------------------------------------------------------------------
  29
  30 class FileTestCase : public CppUnit::TestCase
  31 {
  32 public:
  33     FileTestCase() { }
  34
  35 private:
  36     CPPUNIT_TEST_SUITE( FileTestCase );
  37         CPPUNIT_TEST( RoundTripUTF8 );
  38         CPPUNIT_TEST( RoundTripUTF16 );
  39         CPPUNIT_TEST( RoundTripUTF32 );
  40     CPPUNIT_TEST_SUITE_END();
  41
  42     void RoundTripUTF8() { DoRoundTripTest(wxConvUTF8); }
  43     void RoundTripUTF16() { DoRoundTripTest(wxMBConvUTF16()); }
  44     void RoundTripUTF32() { DoRoundTripTest(wxMBConvUTF32()); }
  45
  46     void DoRoundTripTest(const wxMBConv& conv);
  47
  48     wxDECLARE_NO_COPY_CLASS(FileTestCase);
  49 };
  50
  51 // ----------------------------------------------------------------------------
  52 // CppUnit macros
  53 // ----------------------------------------------------------------------------
  54
  55 CPPUNIT_TEST_SUITE_REGISTRATION( FileTestCase );
  56 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileTestCase, "FileTestCase" );
  57
  58 // ----------------------------------------------------------------------------
  59 // tests implementation
  60 // ----------------------------------------------------------------------------
  61
  62 void FileTestCase::DoRoundTripTest(const wxMBConv& conv)
  63 {
  64     TestFile tf;
  65
  66     const wxString data = "Hello\0UTF";
  67
  68     {
  69         wxFile fout(tf.GetName(), wxFile::write);
  70         CPPUNIT_ASSERT( fout.IsOpened() );
  71
  72         CPPUNIT_ASSERT( fout.Write(data, conv) );
  73     }
  74
  75     {
  76         wxFile fin(tf.GetName(), wxFile::read);
  77         CPPUNIT_ASSERT( fin.IsOpened() );
  78
  79         const ssize_t len = fin.Length();
  80         wxCharBuffer buf(len);
  81         CPPUNIT_ASSERT_EQUAL( len, fin.Read(buf.data(), len) );
  82
  83         wxWCharBuffer wbuf(conv.cMB2WC(buf));
  84 #if wxUSE_UNICODE
  85         CPPUNIT_ASSERT_EQUAL( data, wbuf );
  86 #else // !wxUSE_UNICODE
  87         CPPUNIT_ASSERT
  88         (
  89             memcmp(wbuf, L"Hello\0UTF", data.length()*sizeof(wchar_t)) == 0
  90         );
  91 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
  92     }
  93 }
  94
  95 #endif // wxUSE_FILE