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Diffstat (limited to 'comphelper/qa/unit/variadictemplates.cxx')
| -rw-r--r-- | comphelper/qa/unit/variadictemplates.cxx | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/comphelper/qa/unit/variadictemplates.cxx b/comphelper/qa/unit/variadictemplates.cxx new file mode 100644 index 000000000..c894cf1a7 --- /dev/null +++ b/comphelper/qa/unit/variadictemplates.cxx @@ -0,0 +1,181 @@ +/* -*- 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: */ |