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( TempFile );
  41     CPPUNIT_TEST_SUITE_END();
  42
  43     void RoundTripUTF8() { DoRoundTripTest(wxConvUTF8); }
  44     void RoundTripUTF16() { DoRoundTripTest(wxMBConvUTF16()); }
  45     void RoundTripUTF32() { DoRoundTripTest(wxMBConvUTF32()); }
  46
  47     void DoRoundTripTest(const wxMBConv& conv);
  48     void TempFile();
  49
  50     wxDECLARE_NO_COPY_CLASS(FileTestCase);
  51 };
  52
  53 // ----------------------------------------------------------------------------
  54 // CppUnit macros
  55 // ----------------------------------------------------------------------------
  56
  57 CPPUNIT_TEST_SUITE_REGISTRATION( FileTestCase );
  58 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileTestCase, "FileTestCase" );
  59
  60 // ----------------------------------------------------------------------------
  61 // tests implementation
  62 // ----------------------------------------------------------------------------
  63
  64 void FileTestCase::DoRoundTripTest(const wxMBConv& conv)
  65 {
  66     TestFile tf;
  67
  68     const wxString data = "Hello\0UTF";
  69
  70     {
  71         wxFile fout(tf.GetName(), wxFile::write);
  72         CPPUNIT_ASSERT( fout.IsOpened() );
  73
  74         CPPUNIT_ASSERT( fout.Write(data, conv) );
  75     }
  76
  77     {
  78         wxFile fin(tf.GetName(), wxFile::read);
  79         CPPUNIT_ASSERT( fin.IsOpened() );
  80
  81         const ssize_t len = fin.Length();
  82         wxCharBuffer buf(len);
  83         CPPUNIT_ASSERT_EQUAL( len, fin.Read(buf.data(), len) );
  84
  85         wxWCharBuffer wbuf(conv.cMB2WC(buf));
  86 #if wxUSE_UNICODE
  87         CPPUNIT_ASSERT_EQUAL( data, wbuf );
  88 #else // !wxUSE_UNICODE
  89         CPPUNIT_ASSERT
  90         (
  91             memcmp(wbuf, L"Hello\0UTF", data.length()*sizeof(wchar_t)) == 0
  92         );
  93 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
  94     }
  95 }
  96
  97 void FileTestCase::TempFile()
  98 {
  99     wxTempFile tmpFile;
 100     CPPUNIT_ASSERT( tmpFile.Open(wxT("test2")) && tmpFile.Write(wxT("the answer is 42")) );
 101     CPPUNIT_ASSERT( tmpFile.Commit() );
 102     CPPUNIT_ASSERT( wxRemoveFile(wxT("test2")) );
 103 }
 104
 105 #endif // wxUSE_FILE