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 #if wxUSE_UNICODE
  38         CPPUNIT_TEST( RoundTripUTF8 );
  39         CPPUNIT_TEST( RoundTripUTF16 );
  40         CPPUNIT_TEST( RoundTripUTF32 );
  41 #endif // wxUSE_UNICODE
  42         CPPUNIT_TEST( TempFile );
  43     CPPUNIT_TEST_SUITE_END();
  44
  45 #if wxUSE_UNICODE
  46     void RoundTripUTF8() { DoRoundTripTest(wxConvUTF8); }
  47     void RoundTripUTF16() { DoRoundTripTest(wxMBConvUTF16()); }
  48     void RoundTripUTF32() { DoRoundTripTest(wxMBConvUTF32()); }
  49 #endif // wxUSE_UNICODE
  50
  51     void DoRoundTripTest(const wxMBConv& conv);
  52     void TempFile();
  53
  54     wxDECLARE_NO_COPY_CLASS(FileTestCase);
  55 };
  56
  57 // ----------------------------------------------------------------------------
  58 // CppUnit macros
  59 // ----------------------------------------------------------------------------
  60
  61 CPPUNIT_TEST_SUITE_REGISTRATION( FileTestCase );
  62 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileTestCase, "FileTestCase" );
  63
  64 // ----------------------------------------------------------------------------
  65 // tests implementation
  66 // ----------------------------------------------------------------------------
  67
  68 #if wxUSE_UNICODE
  69
  70 void FileTestCase::DoRoundTripTest(const wxMBConv& conv)
  71 {
  72     TestFile tf;
  73
  74     // Explicit length is needed because of the embedded NUL.
  75     const wxString data("Hello\0UTF!", 10);
  76
  77     {
  78         wxFile fout(tf.GetName(), wxFile::write);
  79         CPPUNIT_ASSERT( fout.IsOpened() );
  80
  81         CPPUNIT_ASSERT( fout.Write(data, conv) );
  82     }
  83
  84     {
  85         wxFile fin(tf.GetName(), wxFile::read);
  86         CPPUNIT_ASSERT( fin.IsOpened() );
  87
  88         const ssize_t len = fin.Length();
  89         wxCharBuffer buf(len);
  90         CPPUNIT_ASSERT_EQUAL( len, fin.Read(buf.data(), len) );
  91
  92         wxString dataReadBack(buf, conv, len);
  93         CPPUNIT_ASSERT_EQUAL( data, dataReadBack );
  94     }
  95 }
  96
  97 #endif // wxUSE_UNICODE
  98
  99 void FileTestCase::TempFile()
 100 {
 101     wxTempFile tmpFile;
 102     CPPUNIT_ASSERT( tmpFile.Open(wxT("test2")) && tmpFile.Write(wxT("the answer is 42")) );
 103     CPPUNIT_ASSERT( tmpFile.Commit() );
 104     CPPUNIT_ASSERT( wxRemoveFile(wxT("test2")) );
 105 }
 106
 107 #endif // wxUSE_FILE