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///////////////////////////////////////////////////////////////////////////////
// Name: tests/misc/safearrayconverttest.cpp
// Purpose: Test conversions between wxVariant and OLE VARIANT using SAFEARRAYs
// Author: PB
// RCS-ID: $Id: typeinfotest.cpp 67656 2011-04-30 10:57:04Z DS $
// Copyright: (c) the wxWidgets team
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#include "testprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifdef __WINDOWS__
#if wxUSE_OLE && wxUSE_VARIANT
#include "wx/msw/ole/oleutils.h"
#include "wx/msw/ole/safearray.h"
// need this to be able to use CPPUNIT_ASSERT_EQUAL with wxVariant objects
inline std::ostream& operator<<(std::ostream& ostr, const wxVariant& v)
{
ostr << v.GetString();
return ostr;
}
// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------
class SafeArrayConvertTestCase : public CppUnit::TestCase
{
public:
SafeArrayConvertTestCase () { }
private:
CPPUNIT_TEST_SUITE( SafeArrayConvertTestCase );
CPPUNIT_TEST( VariantListDefault );
CPPUNIT_TEST( VariantStringsDefault );
CPPUNIT_TEST( VariantListReturnSafeArray );
CPPUNIT_TEST( StringsReturnSafeArray );
CPPUNIT_TEST_SUITE_END();
void VariantListDefault();
void VariantStringsDefault();
void VariantListReturnSafeArray();
void StringsReturnSafeArray();
DECLARE_NO_COPY_CLASS(SafeArrayConvertTestCase )
};
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( SafeArrayConvertTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( SafeArrayConvertTestCase, "SafeArrayConvertTestCase" );
// test converting a wxVariant with the list type to an OLE VARIANT
// and back to wxVariant the list type
void SafeArrayConvertTestCase::VariantListDefault()
{
wxVariant variant;
VARIANT oleVariant;
variant.NullList();
variant.Append(true);
variant.Append(12.34);
variant.Append(42L);
variant.Append("ABC");
CPPUNIT_ASSERT( wxConvertVariantToOle(variant, oleVariant) );
wxVariant variantCopy;
CPPUNIT_ASSERT( wxConvertOleToVariant(oleVariant, variantCopy) );
CPPUNIT_ASSERT( variant == variantCopy );
}
// test converting a wxVariant with the arrstring type to an OLE VARIANT
// and back to a wxVariant with the arrstring type
void SafeArrayConvertTestCase::VariantStringsDefault()
{
wxVariant variant;
wxArrayString as;
VARIANT oleVariant;
as.push_back("abc");
as.push_back("def");
as.push_back("ghi");
variant = as;
CPPUNIT_ASSERT( wxConvertVariantToOle(variant, oleVariant) );
wxVariant variantCopy;
CPPUNIT_ASSERT( wxConvertOleToVariant(oleVariant, variantCopy) );
CPPUNIT_ASSERT( variant == variantCopy );
}
// test converting a wxVariant with the list type to an OLE VARIANT
// and then to a wxVariant with the safearray type
void SafeArrayConvertTestCase::VariantListReturnSafeArray()
{
wxVariant variant;
VARIANT oleVariant;
variant.NullList();
variant.Append(true);
variant.Append(12.34);
variant.Append(42L);
variant.Append("test");
CPPUNIT_ASSERT( wxConvertVariantToOle(variant, oleVariant) );
wxVariant variantCopy;
CPPUNIT_ASSERT(
wxConvertOleToVariant(oleVariant, variantCopy,
wxOleConvertVariant_ReturnSafeArrays)
);
CPPUNIT_ASSERT( variantCopy.GetType() == wxT("safearray") );
wxSafeArray<VT_VARIANT> safeArray;
wxVariantDataSafeArray*
vsa = wxStaticCastVariantData(variantCopy.GetData(),
wxVariantDataSafeArray);
long bound;
CPPUNIT_ASSERT( vsa );
CPPUNIT_ASSERT( safeArray.Attach(vsa->GetValue()) );
CPPUNIT_ASSERT_EQUAL( 1, safeArray.GetDim() );
CPPUNIT_ASSERT( safeArray.GetLBound(1, bound) );
CPPUNIT_ASSERT_EQUAL( 0, bound );
CPPUNIT_ASSERT( safeArray.GetUBound(1, bound) );
const long count = variant.GetCount();
// bound + 1 because safearray elements are accessed by index ranging from
// LBound to UBound inclusive
CPPUNIT_ASSERT_EQUAL( bound + 1, count );
wxVariant variantItem;
for ( long i = 0; i < count; i++ )
{
CPPUNIT_ASSERT( safeArray.GetElement(&i, variantItem) );
CPPUNIT_ASSERT_EQUAL( variantItem, variant[i] );
}
}
// test converting a wxArrayString to an OLE VARIANT
// and then to a wxVariant with the safearray type
void SafeArrayConvertTestCase::StringsReturnSafeArray()
{
wxArrayString as;
wxSafeArray<VT_BSTR> safeArray;
as.push_back("abc");
as.push_back("def");
as.push_back("ghi");
CPPUNIT_ASSERT( safeArray.CreateFromArrayString(as) );
VARIANT oleVariant;
wxVariant variant;
oleVariant.vt = VT_BSTR | VT_ARRAY;
oleVariant.parray = safeArray.Detach();
CPPUNIT_ASSERT( oleVariant.parray );
CPPUNIT_ASSERT(
wxConvertOleToVariant(oleVariant, variant,
wxOleConvertVariant_ReturnSafeArrays)
);
CPPUNIT_ASSERT( variant.GetType() == wxT("safearray") );
wxVariantDataSafeArray*
vsa = wxStaticCastVariantData(variant.GetData(),
wxVariantDataSafeArray);
long bound;
CPPUNIT_ASSERT( vsa );
CPPUNIT_ASSERT( safeArray.Attach(vsa->GetValue()) );
CPPUNIT_ASSERT_EQUAL( 1, safeArray.GetDim() );
CPPUNIT_ASSERT( safeArray.GetLBound(1, bound) );
CPPUNIT_ASSERT_EQUAL( 0, bound );
CPPUNIT_ASSERT( safeArray.GetUBound(1, bound) );
const long count = as.size();
CPPUNIT_ASSERT_EQUAL( bound + 1, count );
wxString str;
for ( long i = 0; i < count; i++ )
{
CPPUNIT_ASSERT( safeArray.GetElement(&i, str) );
CPPUNIT_ASSERT( str == as[i] );
}
}
#endif // __WINDOWS__
#endif // wxUSE_OLE && wxUSE_VARIANT
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