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///////////////////////////////////////////////////////////////////////////////
// Name: tests/file/filetest.cpp
// Purpose: wxFile unit test
// Author: Vadim Zeitlin
// Created: 2009-09-12
// Copyright: (c) 2009 Vadim Zeitlin <vadim@wxwidgets.org>
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#if wxUSE_FILE
#include "wx/file.h"
#include "testfile.h"
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class FileTestCase : public CppUnit::TestCase
{
public:
FileTestCase() { }
private:
CPPUNIT_TEST_SUITE( FileTestCase );
CPPUNIT_TEST( ReadAll );
#if wxUSE_UNICODE
CPPUNIT_TEST( RoundTripUTF8 );
CPPUNIT_TEST( RoundTripUTF16 );
CPPUNIT_TEST( RoundTripUTF32 );
#endif // wxUSE_UNICODE
CPPUNIT_TEST( TempFile );
CPPUNIT_TEST_SUITE_END();
void ReadAll();
#if wxUSE_UNICODE
void RoundTripUTF8() { DoRoundTripTest(wxConvUTF8); }
void RoundTripUTF16() { DoRoundTripTest(wxMBConvUTF16()); }
void RoundTripUTF32() { DoRoundTripTest(wxMBConvUTF32()); }
#endif // wxUSE_UNICODE
void DoRoundTripTest(const wxMBConv& conv);
void TempFile();
wxDECLARE_NO_COPY_CLASS(FileTestCase);
};
// ----------------------------------------------------------------------------
// CppUnit macros
// ----------------------------------------------------------------------------
CPPUNIT_TEST_SUITE_REGISTRATION( FileTestCase );
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( FileTestCase, "FileTestCase" );
// ----------------------------------------------------------------------------
// tests implementation
// ----------------------------------------------------------------------------
void FileTestCase::ReadAll()
{
TestFile tf;
const char* text = "Ream\nde";
{
wxFile fout(tf.GetName(), wxFile::write);
CPPUNIT_ASSERT( fout.IsOpened() );
fout.Write(text, strlen(text));
CPPUNIT_ASSERT( fout.Close() );
}
{
wxFile fin(tf.GetName(), wxFile::read);
CPPUNIT_ASSERT( fin.IsOpened() );
wxString s;
CPPUNIT_ASSERT( fin.ReadAll(&s) );
CPPUNIT_ASSERT_EQUAL( text, s );
}
}
#if wxUSE_UNICODE
void FileTestCase::DoRoundTripTest(const wxMBConv& conv)
{
TestFile tf;
// Explicit length is needed because of the embedded NUL.
const wxString data("Hello\0UTF!", 10);
{
wxFile fout(tf.GetName(), wxFile::write);
CPPUNIT_ASSERT( fout.IsOpened() );
CPPUNIT_ASSERT( fout.Write(data, conv) );
}
{
wxFile fin(tf.GetName(), wxFile::read);
CPPUNIT_ASSERT( fin.IsOpened() );
const ssize_t len = fin.Length();
wxCharBuffer buf(len);
CPPUNIT_ASSERT_EQUAL( len, fin.Read(buf.data(), len) );
wxString dataReadBack(buf, conv, len);
CPPUNIT_ASSERT_EQUAL( data, dataReadBack );
}
{
wxFile fin(tf.GetName(), wxFile::read);
CPPUNIT_ASSERT( fin.IsOpened() );
wxString dataReadBack;
CPPUNIT_ASSERT( fin.ReadAll(&dataReadBack, conv) );
CPPUNIT_ASSERT_EQUAL( data, dataReadBack );
}
}
#endif // wxUSE_UNICODE
void FileTestCase::TempFile()
{
wxTempFile tmpFile;
CPPUNIT_ASSERT( tmpFile.Open(wxT("test2")) );
CPPUNIT_ASSERT( tmpFile.Write(wxT("the answer is 42")) );
CPPUNIT_ASSERT( tmpFile.Commit() );
CPPUNIT_ASSERT( wxRemoveFile(wxT("test2")) );
}
#ifdef __LINUX__
// Check that GetSize() works correctly for special files.
TEST_CASE("wxFile::Special", "[file][linux][special-file]")
{
// We can't test /proc/kcore here, unlike in the similar
// wxFileName::GetSize() test, as wxFile must be able to open it (at least
// for reading) and usually we don't have the permissions to do it.
// This file is not seekable and has 0 size, but can still be read.
wxFile fileProc("/proc/cpuinfo");
CHECK( fileProc.IsOpened() );
wxString s;
CHECK( fileProc.ReadAll(&s) );
CHECK( !s.empty() );
// All files in /sys have the size of one kernel page, even if they don't
// have that much data in them.
const long pageSize = sysconf(_SC_PAGESIZE);
wxFile fileSys("/sys/power/state");
if ( !fileSys.IsOpened() )
{
WARN("/sys/power/state can't be opened, skipping test");
return;
}
CHECK( fileSys.Length() == pageSize );
CHECK( fileSys.ReadAll(&s) );
CHECK( !s.empty() );
CHECK( s.length() < pageSize );
}
#endif // __LINUX__
#endif // wxUSE_FILE
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