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add the 'GarbageTestCase' which helped me to spot some buggy load routines

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58002 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Francesco Montorsi
2009-01-11 00:39:22 +00:00
parent faef508f6a
commit 9e48b1f56c
12 changed files with 370 additions and 413 deletions
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183
tests/misc/garbage.cpp Normal file
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///////////////////////////////////////////////////////////////////////////////
// Name: tests/misc/garbage.cpp
// Purpose: test if loading garbage fails
// Author: Francesco Montorsi
// Created: 2009-01-10
// RCS-ID: $Id$
// Copyright: (c) 2009 Francesco Montorsi
///////////////////////////////////////////////////////////////////////////////
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/filename.h"
#include "wx/image.h"
#include "wx/animate.h"
#include "wx/mstream.h"
#include "wx/dynlib.h"
#include "wx/mediactrl.h"
#include "wx/html/htmlwin.h"
#include "wx/xrc/xmlres.h"
#define GARBAGE_DATA_SIZE 1000000 // in bytes; ~ 1MB
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class GarbageTestCase : public CppUnit::TestCase
{
public:
GarbageTestCase() { }
private:
CPPUNIT_TEST_SUITE( GarbageTestCase );
CPPUNIT_TEST( LoadGarbage );
CPPUNIT_TEST_SUITE_END();
void LoadGarbage();
void DoLoadFile(const wxString& fullname);
void DoLoadStream(wxInputStream& stream);
DECLARE_NO_COPY_CLASS(GarbageTestCase)
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( GarbageTestCase );
// also include in it's own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( GarbageTestCase, "GarbageTestCase" );
void GarbageTestCase::LoadGarbage()
{
srand(1234);
wxInitAllImageHandlers();
for (size_t size = 1; size < GARBAGE_DATA_SIZE; size *= size+1)
{
// first, generate some garbage data
unsigned char *data = new unsigned char[size];
for (size_t i = 0; i < size; i++)
data[i] = rand();
// write it to a file
wxString garbagename = wxFileName::CreateTempFileName("garbage");
CPPUNIT_ASSERT( !garbagename.empty() );
wxFile garbage(garbagename, wxFile::write);
CPPUNIT_ASSERT( garbage.IsOpened() );
CPPUNIT_ASSERT( garbage.Write(data, size) == size );
garbage.Close();
// try to load it by name
DoLoadFile(garbagename);
// try to load it from a wxInputStream
wxMemoryInputStream stream(data, size);
DoLoadStream(stream);
wxDELETEA(data);
}
}
void GarbageTestCase::DoLoadFile(const wxString& fullname)
{
// test wxImage
wxImage img;
CPPUNIT_ASSERT( img.LoadFile(fullname) == false );
// test with the default wxBITMAP_TYPE_ANY
for (int type = wxBITMAP_TYPE_BMP; type < wxBITMAP_TYPE_ANY; type++)
CPPUNIT_ASSERT( img.LoadFile(fullname, (wxBitmapType)type) == false );
// test with all other possible wxBITMAP_TYPE_* flags
// test wxBitmap
wxBitmap bmp;
CPPUNIT_ASSERT( bmp.LoadFile(fullname) == false );
// test with the default wxBITMAP_TYPE_ANY
for (int type = wxBITMAP_TYPE_BMP; type < wxBITMAP_TYPE_ANY; type++)
CPPUNIT_ASSERT( bmp.LoadFile(fullname, (wxBitmapType)type) == false );
// test with all other possible wxBITMAP_TYPE_* flags
// test wxIcon
wxIcon icon;
CPPUNIT_ASSERT( icon.LoadFile(fullname) == false );
// test with the default wxICON_DEFAULT_TYPE
for (int type = wxBITMAP_TYPE_BMP; type < wxBITMAP_TYPE_ANY; type++)
CPPUNIT_ASSERT( icon.LoadFile(fullname, (wxBitmapType)type) == false );
// test with all other possible wxBITMAP_TYPE_* flags
// test wxAnimation
wxAnimation anim;
CPPUNIT_ASSERT( anim.LoadFile(fullname) == false );
// test with the default wxANIMATION_TYPE_ANY
for (int type = wxANIMATION_TYPE_INVALID+1; type < wxANIMATION_TYPE_ANY; type++)
CPPUNIT_ASSERT( anim.LoadFile(fullname, (wxAnimationType)type) == false );
// test with all other possible wxANIMATION_TYPE_* flags
// test wxDynamicLibrary
wxDynamicLibrary lib;
CPPUNIT_ASSERT( lib.Load(fullname) == false );
// test with the default wxANIMATION_TYPE_ANY
/*
#if wxUSE_MEDIACTRL
// test wxMediaCtrl
wxMediaCtrl *media = new wxMediaCtrl(wxTheApp->GetTopWindow());
CPPUNIT_ASSERT( media->Load(fullname) == false );
#endif
// test wxHtmlWindow
wxHtmlWindow *htmlwin = new wxHtmlWindow(wxTheApp->GetTopWindow());
CPPUNIT_ASSERT( htmlwin->LoadFile(fullname) == false );
delete htmlwin;
*/
// test wxXmlResource
CPPUNIT_ASSERT( wxXmlResource::Get()->Load(fullname) == false );
}
void GarbageTestCase::DoLoadStream(wxInputStream& stream)
{
// NOTE: not all classes tested by DoLoadFile() supports loading
// from an input stream!
// test wxImage
wxImage img;
CPPUNIT_ASSERT( img.LoadFile(stream) == false );
// test with the default wxBITMAP_TYPE_ANY
for (int type = wxBITMAP_TYPE_INVALID+1; type < wxBITMAP_TYPE_ANY; type++)
CPPUNIT_ASSERT( img.LoadFile(stream, (wxBitmapType)type) == false );
// test with all other possible wxBITMAP_TYPE_* flags
// test wxAnimation
wxAnimation anim;
CPPUNIT_ASSERT( anim.Load(stream) == false );
// test with the default wxANIMATION_TYPE_ANY
for (int type = wxANIMATION_TYPE_INVALID+1; type < wxANIMATION_TYPE_ANY; type++)
CPPUNIT_ASSERT( anim.Load(stream, (wxAnimationType)type) == false );
// test with all other possible wxANIMATION_TYPE_* flags
/*
// test wxHtmlWindow
wxHtmlWindow *htmlwin = new wxHtmlWindow(wxTheApp->GetTopWindow());
CPPUNIT_ASSERT( htmlwin->LoadFile(fullname) == false );
delete htmlwin;
*/
}