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https://github.com/taglib/taglib.git
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Variant type as container for complex properties
This commit is contained in:
Urs Fleisch
@ -39,6 +39,7 @@ SET(test_runner_SRCS
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test_bytevectorstream.cpp
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test_string.cpp
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test_propertymap.cpp
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test_variant.cpp
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test_file.cpp
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test_fileref.cpp
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test_id3v1.cpp
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204
tests/test_variant.cpp
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204
tests/test_variant.cpp
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@ -0,0 +1,204 @@
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/***************************************************************************
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copyright : (C) 2023 by Urs Fleisch
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email : ufleisch@users.sourceforge.net
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***************************************************************************/
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/***************************************************************************
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#include <array>
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#include "tbytevector.h"
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#include "tvariant.h"
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#include "tstringlist.h"
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#include "tbytevectorlist.h"
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#include <cppunit/extensions/HelperMacros.h>
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#include <sstream>
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#include "utils.h"
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using namespace TagLib;
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class TestVariant : public CppUnit::TestFixture
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{
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CPPUNIT_TEST_SUITE(TestVariant);
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CPPUNIT_TEST(testVariantTypes);
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CPPUNIT_TEST(testVariantToOStream);
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CPPUNIT_TEST_SUITE_END();
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public:
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void testVariantTypes()
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{
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ByteVectorList bvl {"first", "second"};
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StringList sl {"el0", "el"};
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VariantList vl {"1st", "2nd"};
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VariantMap vm {{"key1", "value1"}, {"key2", "value2"}};
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Variant varVoid;
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Variant varBool(true);
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Variant varInt(-4);
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Variant varUInt(5U);
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Variant varLongLong(-6LL);
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Variant varULongLong(7ULL);
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Variant varDouble(1.23);
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Variant varString(String("test"));
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Variant varString2("charp");
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Variant varStringList(sl);
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Variant varByteVector(ByteVector("data"));
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Variant varByteVectorList(bvl);
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Variant varVariantList(vl);
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Variant varVariantMap(vm);
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static const std::array<std::tuple<Variant, Variant::Type>, 14> varTypes {
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std::tuple{varVoid, Variant::Void},
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std::tuple{varBool, Variant::Bool},
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std::tuple{varInt, Variant::Int},
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std::tuple{varUInt, Variant::UInt},
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std::tuple{varLongLong, Variant::LongLong},
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std::tuple{varULongLong, Variant::ULongLong},
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std::tuple{varDouble, Variant::Double},
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std::tuple{varString, Variant::String},
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std::tuple{varString2, Variant::String},
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std::tuple{varStringList, Variant::StringList},
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std::tuple{varByteVector, Variant::ByteVector},
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std::tuple{varByteVectorList, Variant::ByteVectorList},
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std::tuple{varVariantList, Variant::VariantList},
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std::tuple{varVariantMap, Variant::VariantMap}
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};
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for(const auto &t : varTypes) {
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CPPUNIT_ASSERT_EQUAL(std::get<1>(t), std::get<0>(t).type());
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if(std::get<0>(t).type() == Variant::Void) {
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CPPUNIT_ASSERT(std::get<0>(t).isEmpty());
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}
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else {
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CPPUNIT_ASSERT(!std::get<0>(t).isEmpty());
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}
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}
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bool ok;
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CPPUNIT_ASSERT_EQUAL(true, varBool.toBool(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(true, varBool.value<bool>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(-4, varInt.toInt(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(-4, varInt.value<int>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(5U, varUInt.toUInt(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(5U, varUInt.value<unsigned int>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(-6LL, varLongLong.toLongLong(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(-6LL, varLongLong.value<long long>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(7ULL, varULongLong.toULongLong(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(7ULL, varULongLong.value<unsigned long long>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(1.23, varDouble.toDouble(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(1.23, varDouble.value<double>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(String("test"), varString.toString(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(String("test"), varString.value<String>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(String("charp"), varString2.toString(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(String("charp"), varString2.value<String>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(sl, varStringList.toStringList(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(sl, varStringList.value<StringList>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(ByteVector("data"), varByteVector.toByteVector(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(ByteVector("data"), varByteVector.value<ByteVector>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(bvl, varByteVectorList.toByteVectorList(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(bvl, varByteVectorList.value<ByteVectorList>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(vl, varVariantList.toList(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(vl, varVariantList.value<VariantList>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(vm, varVariantMap.toMap(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(vm, varVariantMap.value<VariantMap>(&ok));
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CPPUNIT_ASSERT(ok);
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CPPUNIT_ASSERT_EQUAL(0, varBool.toInt(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(0U, varInt.toUInt(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(0LL, varUInt.toLongLong(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(0ULL, varLongLong.toULongLong(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(0.0, varULongLong.toDouble(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(String(), varDouble.toString(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(StringList(), varString.toStringList(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(ByteVector(), varStringList.toByteVector(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT(varByteVector.toByteVectorList(&ok).isEmpty());
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(VariantList(), varByteVectorList.toList(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(VariantMap(), varVariantList.toMap(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT_EQUAL(false, varVariantMap.toBool(&ok));
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CPPUNIT_ASSERT(!ok);
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CPPUNIT_ASSERT(varUInt == varUInt);
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CPPUNIT_ASSERT(varUInt == Variant(5U));
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CPPUNIT_ASSERT(varUInt != Variant(6U));
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CPPUNIT_ASSERT(varUInt != Variant(5));
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CPPUNIT_ASSERT(varUInt != varInt);
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Variant varUInt2(varUInt);
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CPPUNIT_ASSERT(varUInt == varUInt2);
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varUInt2 = 6U;
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CPPUNIT_ASSERT(varUInt != varUInt2);
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CPPUNIT_ASSERT_EQUAL(5U, varUInt.toUInt());
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CPPUNIT_ASSERT_EQUAL(6U, varUInt2.toUInt());
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}
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void testVariantToOStream()
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{
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std::stringstream ss;
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VariantMap vm {
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{"strlist", StringList {"first", "second"}},
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{"varlist", VariantList {Variant(), 1U, -10LL, 4.32, false}},
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{"data", ByteVector("\xa9\x01\x7f", 3)}
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};
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ss << vm;
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CPPUNIT_ASSERT_EQUAL(
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R"({"data": "\xa9\x01\x7f", "strlist": ["first", "second"],)"
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R"( "varlist": [null, 1, -10, 4.32, false]})"s,
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ss.str());
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}
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(TestVariant);
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