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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <optional>
#include <sal/types.h>
#include <comphelper/unwrapargs.hxx>
#include <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <cppunit/plugin/TestPlugIn.h>
#include <sstream>
class VariadicTemplatesTest : public CppUnit::TestFixture
{
public:
void testUnwrapArgs();
CPPUNIT_TEST_SUITE(VariadicTemplatesTest);
CPPUNIT_TEST(testUnwrapArgs);
CPPUNIT_TEST_SUITE_END();
};
namespace {
namespace detail {
template <typename T>
void extract(
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any> const& seq,
sal_Int32 nArg, T & v,
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>
const& xErrorContext )
{
if (nArg >= seq.getLength()) {
throw ::com::sun::star::lang::IllegalArgumentException(
"No such argument available!",
xErrorContext, static_cast<sal_Int16>(nArg) );
}
if (! fromAny(seq[nArg], &v)) {
throw ::com::sun::star::lang::IllegalArgumentException(
"Cannot extract ANY { "
+ seq[nArg].getValueType().getTypeName()
+ " } to " + ::cppu::UnoType<T>::get().getTypeName(),
xErrorContext,
static_cast<sal_Int16>(nArg) );
}
}
template <typename T>
void extract(
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any> const& seq,
sal_Int32 nArg, ::std::optional<T> & v,
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>
const& xErrorContext )
{
if (nArg < seq.getLength()) {
T t;
extract( seq, nArg, t, xErrorContext );
v = t;
}
}
} // namespace detail
template < typename T0, typename T1, typename T2, typename T3, typename T4 >
void unwrapArgsBaseline(
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > const& seq,
T0& v0, T1& v1, T2& v2, T3& v3, T4& v4,
::com::sun::star::uno::Reference<
::com::sun::star::uno::XInterface> const& xErrorContext =
::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface>() )
{
::detail::extract( seq, 0, v0, xErrorContext );
::detail::extract( seq, 1, v1, xErrorContext );
::detail::extract( seq, 2, v2, xErrorContext );
::detail::extract( seq, 3, v3, xErrorContext );
::detail::extract( seq, 4, v4, xErrorContext );
}
}
void VariadicTemplatesTest::testUnwrapArgs() {
OUString tmp1 = "Test1";
sal_Int32 tmp2 = 42;
sal_uInt32 tmp3 = 42;
OUString tmp4 = "Test2";
OUString tmp5 = "Test3";
::com::sun::star::uno::Any tmp6(
::com::sun::star::uno::makeAny( tmp1 )
);
::com::sun::star::uno::Any tmp7(
::com::sun::star::uno::makeAny( tmp2 )
);
::com::sun::star::uno::Any tmp8(
::com::sun::star::uno::makeAny( tmp3 )
);
::com::sun::star::uno::Any tmp9(
::com::sun::star::uno::makeAny( tmp4 )
);
::std::optional< ::com::sun::star::uno::Any > tmp10(
::com::sun::star::uno::makeAny( tmp5 )
);
::std::optional< ::com::sun::star::uno::Any > tmp11(
::com::sun::star::uno::makeAny( tmp1 )
);
// test equality with the baseline and template specialization with
// std::optional< T >
try {
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq1(
static_cast< sal_uInt32 >( 5 ) );
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq2(
static_cast< sal_uInt32 >( 5 ) );
// tmp11 should be ignored as it is ::std::optional< T >
::comphelper::unwrapArgs( seq1, tmp6, tmp7, tmp8, tmp9, tmp10, tmp11 );
unwrapArgsBaseline( seq2, tmp6, tmp7, tmp8, tmp9, tmp10 );
::com::sun::star::uno::Any* p1 = seq1.getArray();
::com::sun::star::uno::Any* p2 = seq2.getArray();
for( sal_Int32 i = 0; i < seq1.getLength() && i < seq2.getLength(); ++i ) {
CPPUNIT_ASSERT_EQUAL_MESSAGE( "seq1 and seq2 are equal",
p1[i], p2[i] );
}
CPPUNIT_ASSERT_MESSAGE( "seq1 and seq2 are equal",
bool(seq1 == seq2) );
}
catch( ::com::sun::star::lang::IllegalArgumentException& err ) {
std::stringstream ss;
ss << "IllegalArgumentException when unwrapping arguments at: " <<
err.ArgumentPosition;
CPPUNIT_FAIL( ss.str() );
}
// test argument counting
try {
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq(
static_cast< sal_uInt32 >( 4 ) );
::comphelper::unwrapArgs( seq, tmp6, tmp7, tmp10, tmp11, tmp10, tmp6 );
}
catch( ::com::sun::star::lang::IllegalArgumentException& err ) {
CPPUNIT_ASSERT_EQUAL( static_cast< short >( 5 ), err.ArgumentPosition );
}
OUString test1( "Test2" );
OUString test2( "Test2" );
OUString test3( "Test3" );
OUString test4( "Test4" );
OUString test5( "Test5" );
try {
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq(
static_cast< sal_uInt32 >( 4 ) );
::comphelper::unwrapArgs( seq, test1, test2, test3, test4, test5 );
}
catch( ::com::sun::star::lang::IllegalArgumentException& err1 ) {
try {
::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any > seq(
static_cast< sal_uInt32 >( 4 ) );
unwrapArgsBaseline( seq, test1, test2, test3, test4, test5 );
CPPUNIT_FAIL( "unwrapArgs failed while the baseline did not throw" );
}
catch( ::com::sun::star::lang::IllegalArgumentException& err2 ) {
CPPUNIT_ASSERT_EQUAL_MESSAGE( "err1.ArgumentPosition == err2.ArgumentPosition",
err1.ArgumentPosition, err2.ArgumentPosition );
}
}
}
CPPUNIT_TEST_SUITE_REGISTRATION(VariadicTemplatesTest);
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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