+///////////////////////////////////////////////////////////////////////////////
+// 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;
+*/
+}
+
projects / wxWidgets.git / commitdiff
