83a5694dc2
Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Outdated header.LGPL removed (use header.LGPL21 instead) Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing combination. New header.LGPL-COMM taken in the use file which were using old header.LGPL3 (src/plugins/platforms/android/extract.cpp) Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license combination Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe Reviewed-by: Matti Paaso <matti.paaso@theqtcompany.com>
1320 lines
31 KiB
C++
1320 lines
31 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2014 Intel Corporation
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCore/QtCore>
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#include <QtTest/QtTest>
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#include <algorithm>
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#define BASECLASS_NOT_ABSTRACT
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#include "baseclass.h"
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#include "derivedclass.h"
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#ifdef Q_COMPILER_ATOMICS
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# include <atomic>
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#endif
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QT_USE_NAMESPACE
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class tst_Compiler : public QObject
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{
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Q_OBJECT
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private slots:
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/* C++98 & C++03 base functionality */
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void template_methods();
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void template_constructors();
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void template_subclasses();
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void methodSpecialization();
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void constructorSpecialization();
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void staticTemplateMethods();
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void staticTemplateMethodSpecialization();
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void detectDataStream();
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void detectEnums();
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void overrideCFunction();
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void stdSortQList();
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void stdSortQVector();
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void templateCallOrder();
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void virtualFunctionNoLongerPureVirtual();
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void charSignedness() const;
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void privateStaticTemplateMember() const;
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void staticConstUnionWithInitializerList() const;
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void templateFriends();
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/* C++11 features */
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void cxx11_alignas();
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void cxx11_alignof();
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void cxx11_alignas_alignof();
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void cxx11_atomics();
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void cxx11_attributes();
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void cxx11_auto_function();
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void cxx11_auto_type();
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void cxx11_class_enum();
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void cxx11_constexpr();
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void cxx11_decltype();
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void cxx11_default_members();
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void cxx11_delete_members();
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void cxx11_delegating_constructors();
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void cxx11_explicit_conversions();
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void cxx11_explicit_overrides();
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void cxx11_extern_templates();
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void cxx11_inheriting_constructors();
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void cxx11_initializer_lists();
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void cxx11_lambda();
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void cxx11_nonstatic_member_init();
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void cxx11_noexcept();
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void cxx11_nullptr();
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void cxx11_range_for();
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void cxx11_raw_strings();
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void cxx11_ref_qualifiers();
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void cxx11_rvalue_refs();
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void cxx11_static_assert();
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void cxx11_template_alias();
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void cxx11_thread_local();
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void cxx11_udl();
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void cxx11_unicode_strings();
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void cxx11_uniform_init();
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void cxx11_unrestricted_unions();
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void cxx11_variadic_macros();
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void cxx11_variadic_templates();
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/* C++14 compiler features */
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void cxx14_binary_literals();
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void cxx14_init_captures();
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void cxx14_generic_lambdas();
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void cxx14_constexpr();
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void cxx14_decltype_auto();
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void cxx14_return_type_deduction();
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void cxx14_aggregate_nsdmi();
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void cxx14_variable_templates();
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/* Future / Technical specification compiler features */
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void runtimeArrays();
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};
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#if defined(Q_CC_HPACC)
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# define DONT_TEST_TEMPLATE_CONSTRUCTORS
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# define DONT_TEST_CONSTRUCTOR_SPECIALIZATION
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# define DONT_TEST_DATASTREAM_DETECTION
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#endif
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#if defined(Q_CC_SUN)
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# define DONT_TEST_STL_SORTING
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#endif
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class TemplateMethodClass
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{
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public:
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template <class T>
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T foo() { return 42; }
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};
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void tst_Compiler::template_methods()
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{
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TemplateMethodClass t;
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QCOMPARE(t.foo<int>(), 42);
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QCOMPARE(t.foo<long>(), 42l);
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QCOMPARE(t.foo<double>(), 42.0);
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}
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#ifndef DONT_TEST_TEMPLATE_CONSTRUCTORS
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class TemplateConstructorClass
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{
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public:
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template <class T>
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TemplateConstructorClass(const T& t) { i = int(t); }
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int i;
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};
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void tst_Compiler::template_constructors()
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{
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TemplateConstructorClass t1(42);
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TemplateConstructorClass t2(42l);
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TemplateConstructorClass t3(42.0);
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QCOMPARE(t1.i, 42);
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QCOMPARE(t2.i, 42);
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QCOMPARE(t3.i, 42);
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}
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#else
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void tst_Compiler::template_constructors()
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{ QSKIP("Compiler doesn't do template constructors"); }
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#endif
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template <typename T>
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struct OuterClass
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{
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template <typename U>
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struct InnerClass
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{
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U convert(const T &t) { return static_cast<U>(t); }
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};
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};
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void tst_Compiler::template_subclasses()
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{
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OuterClass<char>::InnerClass<int> c1;
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QCOMPARE(c1.convert('a'), int('a'));
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OuterClass<QRect>::InnerClass<QRectF> c2;
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QCOMPARE(c2.convert(QRect(1, 2, 3, 4)), QRectF(QRect(1, 2, 3, 4)));
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}
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class TemplateMethodClass2
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{
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public:
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template <class T>
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T foo() { return 42; }
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};
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template<>
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int TemplateMethodClass2::foo<int>()
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{ return 43; }
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void tst_Compiler::methodSpecialization()
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{
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TemplateMethodClass2 t;
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QCOMPARE(t.foo<int>(), 43);
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QCOMPARE(t.foo<long>(), 42l);
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QCOMPARE(t.foo<double>(), 42.0);
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}
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#ifndef DONT_TEST_CONSTRUCTOR_SPECIALIZATION
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class TemplateConstructorClass2
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{
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public:
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template <class T>
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TemplateConstructorClass2(const T &t) { i = int(t); }
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int i;
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};
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template<>
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TemplateConstructorClass2::TemplateConstructorClass2(const int &t) { i = t + 1; }
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void tst_Compiler::constructorSpecialization()
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{
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TemplateConstructorClass2 t1(42);
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TemplateConstructorClass2 t2(42l);
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TemplateConstructorClass2 t3(42.0);
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QCOMPARE(t1.i, 43);
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QCOMPARE(t2.i, 42);
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QCOMPARE(t3.i, 42);
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}
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#else
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void tst_Compiler::constructorSpecialization()
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{ QSKIP("Compiler doesn't do constructor specialization"); }
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#endif
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class StaticTemplateClass
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{
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public:
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template <class T>
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static T foo() { return 42; }
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};
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void tst_Compiler::staticTemplateMethods()
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{
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QCOMPARE(StaticTemplateClass::foo<int>(), 42);
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QCOMPARE(StaticTemplateClass::foo<uint>(), 42u);
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}
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class StaticTemplateClass2
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{
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public:
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template <class T>
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static T foo() { return 42; }
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};
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template<>
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double StaticTemplateClass2::foo<double>() { return 18.5; }
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void tst_Compiler::staticTemplateMethodSpecialization()
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{
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QCOMPARE(StaticTemplateClass2::foo<int>(), 42);
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QCOMPARE(StaticTemplateClass2::foo<uint>(), 42u);
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QCOMPARE(StaticTemplateClass2::foo<double>(), 18.5);
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}
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#ifndef DONT_TEST_DATASTREAM_DETECTION
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/******* DataStream tester *********/
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namespace QtTestInternal
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{
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struct EmptyStruct {};
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struct LowPreferenceStruct { LowPreferenceStruct(...); };
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EmptyStruct operator<<(QDataStream &, const LowPreferenceStruct &);
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EmptyStruct operator>>(QDataStream &, const LowPreferenceStruct &);
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template<typename T>
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struct DataStreamChecker
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{
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static EmptyStruct hasStreamHelper(const EmptyStruct &);
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static QDataStream hasStreamHelper(const QDataStream &);
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static QDataStream &dsDummy();
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static T &dummy();
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#ifdef BROKEN_COMPILER
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static const bool HasDataStream =
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sizeof(hasStreamHelper(dsDummy() << dummy())) == sizeof(QDataStream)
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&& sizeof(hasStreamHelper(dsDummy() >> dummy())) == sizeof(QDataStream);
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#else
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enum {
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HasOutDataStream = sizeof(hasStreamHelper(dsDummy() >> dummy())) == sizeof(QDataStream),
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HasInDataStream = sizeof(hasStreamHelper(dsDummy() << dummy())) == sizeof(QDataStream),
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HasDataStream = HasOutDataStream & HasInDataStream
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};
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#endif
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};
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template<bool>
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struct DataStreamOpHelper
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{
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template <typename T>
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struct Getter {
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static QMetaType::SaveOperator saveOp() { return 0; }
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};
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};
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template<>
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struct DataStreamOpHelper<true>
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{
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template <typename T>
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struct Getter {
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static QMetaType::SaveOperator saveOp()
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{
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return ::QtMetaTypePrivate::QMetaTypeFunctionHelper<T>::Save;
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}
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};
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};
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template<typename T>
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inline QMetaType::SaveOperator getSaveOperator(T * = 0)
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{
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typedef typename DataStreamOpHelper<DataStreamChecker<T>::HasDataStream>::template Getter<T> GetterHelper;
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return GetterHelper::saveOp();
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}
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};
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struct MyString: public QString {};
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struct Qxxx {};
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void tst_Compiler::detectDataStream()
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{
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QVERIFY(QtTestInternal::DataStreamChecker<int>::HasDataStream == true);
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QVERIFY(QtTestInternal::DataStreamChecker<uint>::HasDataStream == true);
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QVERIFY(QtTestInternal::DataStreamChecker<char *>::HasDataStream == true);
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QVERIFY(QtTestInternal::DataStreamChecker<const int>::HasInDataStream == true);
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QVERIFY(QtTestInternal::DataStreamChecker<const int>::HasOutDataStream == false);
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QVERIFY(QtTestInternal::DataStreamChecker<const int>::HasDataStream == false);
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QVERIFY(QtTestInternal::DataStreamChecker<double>::HasDataStream == true);
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QVERIFY(QtTestInternal::DataStreamChecker<QString>::HasDataStream == true);
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QVERIFY(QtTestInternal::DataStreamChecker<MyString>::HasDataStream == true);
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QVERIFY(QtTestInternal::DataStreamChecker<Qxxx>::HasDataStream == false);
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QVERIFY(QtTestInternal::getSaveOperator<int>() != 0);
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QVERIFY(QtTestInternal::getSaveOperator<uint>() != 0);
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QVERIFY(QtTestInternal::getSaveOperator<char *>() != 0);
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QVERIFY(QtTestInternal::getSaveOperator<double>() != 0);
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QVERIFY(QtTestInternal::getSaveOperator<QString>() != 0);
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QVERIFY(QtTestInternal::getSaveOperator<MyString>() != 0);
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QVERIFY(QtTestInternal::getSaveOperator<Qxxx>() == 0);
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}
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#else
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void tst_Compiler::detectDataStream()
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{ QSKIP("Compiler doesn't evaluate templates correctly"); }
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#endif
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enum Enum1 { Foo = 0, Bar = 1 };
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enum Enum2 {};
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enum Enum3 { Something = 1 };
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template <typename T> char QTypeInfoEnumHelper(T);
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template <typename T> void *QTypeInfoEnumHelper(...);
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template <typename T>
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struct QTestTypeInfo
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{
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enum { IsEnum = sizeof(QTypeInfoEnumHelper<T>(0)) == sizeof(void*) };
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};
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void tst_Compiler::detectEnums()
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{
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QVERIFY(QTestTypeInfo<Enum1>::IsEnum);
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QVERIFY(QTestTypeInfo<Enum2>::IsEnum);
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QVERIFY(QTestTypeInfo<Enum3>::IsEnum);
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QVERIFY(!QTestTypeInfo<int>::IsEnum);
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QVERIFY(!QTestTypeInfo<char>::IsEnum);
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QVERIFY(!QTestTypeInfo<uint>::IsEnum);
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QVERIFY(!QTestTypeInfo<short>::IsEnum);
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QVERIFY(!QTestTypeInfo<ushort>::IsEnum);
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QVERIFY(!QTestTypeInfo<void*>::IsEnum);
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QVERIFY(!QTestTypeInfo<QString>::IsEnum);
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QVERIFY(QTestTypeInfo<Qt::Key>::IsEnum);
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QVERIFY(QTestTypeInfo<Qt::ToolBarArea>::IsEnum);
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QVERIFY(!QTestTypeInfo<Qt::ToolBarAreas>::IsEnum);
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QVERIFY(QTestTypeInfo<Qt::MatchFlag>::IsEnum);
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QVERIFY(!QTestTypeInfo<Qt::MatchFlags>::IsEnum);
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}
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static int indicator = 0;
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// this is a silly C function
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extern "C" {
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void someCFunc(void *) { indicator = 42; }
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}
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// this is the catch-template that will be called if the C function doesn't exist
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template <typename T>
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void someCFunc(T *) { indicator = 10; }
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void tst_Compiler::overrideCFunction()
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{
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someCFunc((void*)0);
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QCOMPARE(indicator, 42);
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}
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#ifndef DONT_TEST_STL_SORTING
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void tst_Compiler::stdSortQList()
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{
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QList<int> list;
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list << 4 << 2;
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std::sort(list.begin(), list.end());
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QCOMPARE(list.value(0), 2);
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QCOMPARE(list.value(1), 4);
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QList<QString> slist;
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slist << "b" << "a";
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std::sort(slist.begin(), slist.end());
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QCOMPARE(slist.value(0), QString("a"));
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QCOMPARE(slist.value(1), QString("b"));
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}
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void tst_Compiler::stdSortQVector()
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{
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QVector<int> vector;
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vector << 4 << 2;
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std::sort(vector.begin(), vector.end());
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QCOMPARE(vector.value(0), 2);
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QCOMPARE(vector.value(1), 4);
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QVector<QString> strvec;
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strvec << "b" << "a";
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std::sort(strvec.begin(), strvec.end());
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QCOMPARE(strvec.value(0), QString("a"));
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QCOMPARE(strvec.value(1), QString("b"));
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}
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#else
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void tst_Compiler::stdSortQList()
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{ QSKIP("Compiler's STL broken"); }
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void tst_Compiler::stdSortQVector()
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{ QSKIP("Compiler's STL broken"); }
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#endif
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// the C func will set it to 1, the template to 2
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static int whatWasCalled = 0;
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void callOrderFunc(void *)
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{
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whatWasCalled = 1;
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}
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template <typename T>
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void callOrderFunc(T *)
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{
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whatWasCalled = 2;
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}
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template <typename T>
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void callOrderNoCFunc(T *)
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{
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whatWasCalled = 3;
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}
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/*
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This test will check what will get precendence - the C function
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or the template.
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It also makes sure this template "override" will compile on all systems
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and not result in ambiguities.
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*/
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void tst_Compiler::templateCallOrder()
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{
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QCOMPARE(whatWasCalled, 0);
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// call it with a void *
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void *f = 0;
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callOrderFunc(f);
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QCOMPARE(whatWasCalled, 1);
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whatWasCalled = 0;
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char *c = 0;
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/* call it with a char * - AMBIGOUS, fails on several compilers
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callOrderFunc(c);
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QCOMPARE(whatWasCalled, 1);
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whatWasCalled = 0;
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*/
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|
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// now try the case when there is no C function
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callOrderNoCFunc(f);
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QCOMPARE(whatWasCalled, 3);
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whatWasCalled = 0;
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callOrderNoCFunc(c);
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QCOMPARE(whatWasCalled, 3);
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whatWasCalled = 0;
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}
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|
|
// test to see if removing =0 from a pure virtual function is BC
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void tst_Compiler::virtualFunctionNoLongerPureVirtual()
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{
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#ifdef BASECLASS_NOT_ABSTRACT
|
|
// has a single virtual function, not pure virtual, can call it
|
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BaseClass baseClass;
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QTest::ignoreMessage(QtDebugMsg, "BaseClass::wasAPureVirtualFunction()");
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baseClass.wasAPureVirtualFunction();
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#endif
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|
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// DerivedClass inherits from BaseClass, and function is declared
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// pure virtual, make sure we can still call it
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DerivedClass derivedClass;
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QTest::ignoreMessage(QtDebugMsg, "DerivedClass::wasAPureVirtualFunction()");
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derivedClass.wasAPureVirtualFunction();
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}
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|
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template<typename T> const char *resolveCharSignedness();
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|
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template<>
|
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const char *resolveCharSignedness<char>()
|
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{
|
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return "char";
|
|
}
|
|
|
|
template<>
|
|
const char *resolveCharSignedness<unsigned char>()
|
|
{
|
|
return "unsigned char";
|
|
}
|
|
|
|
template<>
|
|
const char *resolveCharSignedness<signed char>()
|
|
{
|
|
return "signed char";
|
|
}
|
|
|
|
void tst_Compiler::charSignedness() const
|
|
{
|
|
QCOMPARE("char", resolveCharSignedness<char>());
|
|
QCOMPARE("unsigned char", resolveCharSignedness<unsigned char>());
|
|
QCOMPARE("signed char", resolveCharSignedness<signed char>());
|
|
}
|
|
|
|
class PrivateStaticTemplateMember
|
|
{
|
|
public:
|
|
long regularMember()
|
|
{
|
|
return helper<long, int>(3);
|
|
}
|
|
|
|
private:
|
|
template<typename A, typename B>
|
|
static A helper(const B b)
|
|
{
|
|
return A(b);
|
|
}
|
|
};
|
|
|
|
void tst_Compiler::privateStaticTemplateMember() const
|
|
{
|
|
PrivateStaticTemplateMember v;
|
|
|
|
QCOMPARE(long(3), v.regularMember());
|
|
}
|
|
|
|
|
|
#if !defined(Q_CC_MIPS)
|
|
|
|
// make sure we can use a static initializer with a union and then use
|
|
// the second member of the union
|
|
static const union { unsigned char c[8]; double d; } qt_be_inf_bytes = { { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 } };
|
|
static const union { unsigned char c[8]; double d; } qt_le_inf_bytes = { { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f } };
|
|
static inline double qt_inf()
|
|
{
|
|
return (QSysInfo::ByteOrder == QSysInfo::BigEndian
|
|
? qt_be_inf_bytes.d
|
|
: qt_le_inf_bytes.d);
|
|
}
|
|
|
|
#else
|
|
|
|
static const unsigned char qt_be_inf_bytes[] = { 0x7f, 0xf0, 0, 0, 0, 0, 0, 0 };
|
|
static const unsigned char qt_le_inf_bytes[] = { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f };
|
|
static inline double qt_inf()
|
|
{
|
|
const uchar *bytes;
|
|
bytes = (QSysInfo::ByteOrder == QSysInfo::BigEndian
|
|
? qt_be_inf_bytes
|
|
: qt_le_inf_bytes);
|
|
|
|
union { uchar c[8]; double d; } returnValue;
|
|
memcpy(returnValue.c, bytes, sizeof(returnValue.c));
|
|
return returnValue.d;
|
|
}
|
|
|
|
#endif
|
|
|
|
void tst_Compiler::staticConstUnionWithInitializerList() const
|
|
{
|
|
double d = qt_inf();
|
|
QVERIFY(qIsInf(d));
|
|
}
|
|
|
|
#ifndef Q_NO_TEMPLATE_FRIENDS
|
|
template <typename T> class TemplateFriends
|
|
{
|
|
T value;
|
|
public:
|
|
TemplateFriends(T value) : value(value) {}
|
|
|
|
template <typename X> void copy(TemplateFriends<X> other)
|
|
{ value = other.value; }
|
|
|
|
template <typename X> friend class TemplateFriends;
|
|
};
|
|
|
|
void tst_Compiler::templateFriends()
|
|
{
|
|
TemplateFriends<int> ti(42);
|
|
TemplateFriends<long> tl(0);
|
|
tl.copy(ti);
|
|
}
|
|
#else
|
|
void tst_Compiler::templateFriends()
|
|
{
|
|
QSKIP("Compiler does not support template friends");
|
|
}
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_alignas()
|
|
{
|
|
#ifndef Q_COMPILER_ALIGNAS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
alignas(double) char c;
|
|
QVERIFY(Q_ALIGNOF(c) == Q_ALIGNOF(double));
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_alignof()
|
|
{
|
|
#ifndef Q_COMPILER_ALIGNOF
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
size_t alignchar = alignof(char);
|
|
size_t aligndouble = alignof(double);
|
|
QVERIFY(alignchar >= 1);
|
|
QVERIFY(alignchar <= aligndouble);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_alignas_alignof()
|
|
{
|
|
#if !defined(Q_COMPILER_ALIGNAS) && !defined(Q_COMPILER_ALIGNOF)
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
alignas(alignof(double)) char c;
|
|
Q_UNUSED(c);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_atomics()
|
|
{
|
|
#ifndef Q_COMPILER_ATOMICS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
std::atomic<int> i;
|
|
i.store(42, std::memory_order_seq_cst);
|
|
QCOMPARE(i.load(std::memory_order_acquire), 42);
|
|
|
|
std::atomic<short> s;
|
|
s.store(42);
|
|
QCOMPARE(s.load(), short(42));
|
|
|
|
std::atomic_flag flag;
|
|
flag.clear();
|
|
QVERIFY(!flag.test_and_set());
|
|
QVERIFY(flag.test_and_set());
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_attributes()
|
|
{
|
|
#ifndef Q_COMPILER_ATTRIBUTES
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
struct [[deprecated]] C {};
|
|
[[gnu::unused]] struct D {} d;
|
|
[[noreturn]] void f();
|
|
struct D e [[gnu::used, gnu::unused]];
|
|
[[gnu::aligned(8)]] int i;
|
|
|
|
[[gnu::unused]] end:
|
|
;
|
|
|
|
Q_UNUSED(d);
|
|
Q_UNUSED(e);
|
|
Q_UNUSED(i);
|
|
#endif
|
|
}
|
|
|
|
#ifdef Q_COMPILER_AUTO_FUNCTION
|
|
auto autoFunction() -> unsigned
|
|
{
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_auto_function()
|
|
{
|
|
#ifndef Q_COMPILER_AUTO_FUNCTION
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
QCOMPARE(autoFunction(), 1u);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_auto_type()
|
|
{
|
|
#ifndef Q_COMPILER_AUTO_TYPE
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
auto i = 1;
|
|
auto x = qrand();
|
|
auto l = 1L;
|
|
auto s = QStringLiteral("Hello World");
|
|
|
|
QCOMPARE(i, 1);
|
|
Q_UNUSED(x);
|
|
QCOMPARE(l, 1L);
|
|
QCOMPARE(s.toLower(), QString("hello world"));
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_class_enum()
|
|
{
|
|
#ifndef Q_COMPILER_CLASS_ENUM
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
enum class X { EnumValue };
|
|
X x = X::EnumValue;
|
|
QCOMPARE(x, X::EnumValue);
|
|
|
|
enum class Y : short { Val = 2 };
|
|
enum Z : long { ValLong = LONG_MAX };
|
|
#endif
|
|
}
|
|
|
|
#ifdef Q_COMPILER_CONSTEXPR
|
|
constexpr int constexprValue()
|
|
{
|
|
return 42;
|
|
}
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_constexpr()
|
|
{
|
|
#ifndef Q_COMPILER_CONSTEXPR
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
static constexpr QBasicAtomicInt atomic = Q_BASIC_ATOMIC_INITIALIZER(1);
|
|
static constexpr int i = constexprValue();
|
|
QCOMPARE(i, constexprValue());
|
|
QCOMPARE(atomic.load(), 1);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_decltype()
|
|
{
|
|
#ifndef Q_COMPILER_DECLTYPE
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
decltype(qrand()) i = 0;
|
|
QCOMPARE(i, 0);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_default_members()
|
|
{
|
|
#ifndef Q_COMPILER_DEFAULT_MEMBERS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
class DefaultMembers
|
|
{
|
|
protected:
|
|
DefaultMembers() = default;
|
|
public:
|
|
DefaultMembers(int) {}
|
|
};
|
|
class DefaultMembersChild: public DefaultMembers
|
|
{
|
|
public:
|
|
DefaultMembersChild():DefaultMembers() {};
|
|
};
|
|
DefaultMembersChild dm;
|
|
Q_UNUSED(dm);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_delete_members()
|
|
{
|
|
#ifndef Q_COMPILER_DELETE_MEMBERS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
class DeleteMembers
|
|
{
|
|
protected:
|
|
DeleteMembers() = delete;
|
|
public:
|
|
DeleteMembers(const DeleteMembers &) = delete;
|
|
~DeleteMembers() = delete;
|
|
};
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_delegating_constructors()
|
|
{
|
|
#ifndef Q_COMPILER_DELEGATING_CONSTRUCTORS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
struct DC {
|
|
DC(int i) : i(i) {}
|
|
DC() : DC(0) {}
|
|
int i;
|
|
};
|
|
|
|
DC dc;
|
|
QCOMPARE(dc.i, 0);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_explicit_conversions()
|
|
{
|
|
#ifndef Q_COMPILER_EXPLICIT_CONVERSIONS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
struct EC {
|
|
explicit operator int() const { return 0; }
|
|
operator long long() const { return 1; }
|
|
};
|
|
EC ec;
|
|
|
|
int i(ec);
|
|
QCOMPARE(i, 0);
|
|
|
|
int i2 = ec;
|
|
QCOMPARE(i2, 1);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_explicit_overrides()
|
|
{
|
|
#ifndef Q_COMPILER_EXPLICIT_OVERRIDES
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
struct Base {
|
|
virtual ~Base() {}
|
|
virtual void f() {}
|
|
};
|
|
struct Derived final : public Base {
|
|
virtual void f() final override {}
|
|
};
|
|
#endif
|
|
}
|
|
|
|
#ifdef Q_COMPILER_EXTERN_TEMPLATES
|
|
template <typename T> T externTemplate() { return T(0); }
|
|
extern template int externTemplate<int>();
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_extern_templates()
|
|
{
|
|
#ifndef Q_COMPILER_EXTERN_TEMPLATES
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
QCOMPARE(externTemplate<int>(), 42);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_inheriting_constructors()
|
|
{
|
|
#ifndef Q_COMPILER_INHERITING_CONSTRUCTORS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
struct Base {
|
|
int i;
|
|
Base() : i(0) {}
|
|
Base(int i) : i(i) {}
|
|
};
|
|
struct Derived : public Base {
|
|
using Base::Base;
|
|
};
|
|
|
|
Derived d(1);
|
|
QCOMPARE(d.i, 1);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_initializer_lists()
|
|
{
|
|
#ifndef Q_COMPILER_INITIALIZER_LISTS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
QList<int> l = { 1, 2, 3, 4, 5 };
|
|
QCOMPARE(l.length(), 5);
|
|
QCOMPARE(l.at(0), 1);
|
|
QCOMPARE(l.at(4), 5);
|
|
#endif
|
|
}
|
|
|
|
struct CallFunctor
|
|
{
|
|
template <typename Functor> static int f(Functor f)
|
|
{ return f();}
|
|
};
|
|
|
|
void tst_Compiler::cxx11_lambda()
|
|
{
|
|
#ifndef Q_COMPILER_LAMBDA
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
QCOMPARE(CallFunctor::f([]() { return 42; }), 42);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_nonstatic_member_init()
|
|
{
|
|
#ifndef Q_COMPILER_NONSTATIC_MEMBER_INIT
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
struct S {
|
|
int i = 42;
|
|
long l = 47;
|
|
char c;
|
|
S() : l(-47), c(0) {}
|
|
};
|
|
S s;
|
|
|
|
QCOMPARE(s.i, 42);
|
|
QCOMPARE(s.l, -47L);
|
|
QCOMPARE(s.c, '\0');
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_noexcept()
|
|
{
|
|
#ifndef Q_COMPILER_NOEXCEPT
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
extern void noexcept_f() noexcept;
|
|
extern void g() noexcept(noexcept(noexcept_f()));
|
|
QCOMPARE(noexcept(cxx11_noexcept()), false);
|
|
QCOMPARE(noexcept(noexcept_f), true);
|
|
QCOMPARE(noexcept(g), true);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_nullptr()
|
|
{
|
|
#ifndef Q_COMPILER_NULLPTR
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
void *v = nullptr;
|
|
char *c = nullptr;
|
|
const char *cc = nullptr;
|
|
volatile char *vc = nullptr;
|
|
std::nullptr_t np = nullptr;
|
|
v = np;
|
|
|
|
Q_UNUSED(v);
|
|
Q_UNUSED(c);
|
|
Q_UNUSED(cc);
|
|
Q_UNUSED(vc);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_range_for()
|
|
{
|
|
#ifndef Q_COMPILER_RANGE_FOR
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
QList<int> l;
|
|
l << 1 << 2 << 3;
|
|
for (int i : l)
|
|
Q_UNUSED(i);
|
|
|
|
l.clear();
|
|
l << 1;
|
|
for (int i : l)
|
|
QCOMPARE(i, 1);
|
|
|
|
QList<long> ll;
|
|
l << 2;
|
|
for (int i : ll)
|
|
QCOMPARE(i, 2);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_raw_strings()
|
|
{
|
|
#ifndef Q_COMPILER_RAW_STRINGS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
static const char xml[] = R"(<?xml version="1.0" encoding="UTF-8" ?>)";
|
|
static const char raw[] = R"***(*"*)***";
|
|
QCOMPARE(strlen(raw), size_t(3));
|
|
QCOMPARE(raw[1], '"');
|
|
Q_UNUSED(xml);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_ref_qualifiers()
|
|
{
|
|
#ifndef Q_COMPILER_REF_QUALIFIERS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
# ifndef Q_COMPILER_RVALUE_REFS
|
|
# error "Impossible condition: ref qualifiers are supported but not rvalue refs"
|
|
# endif
|
|
// also applies to function pointers
|
|
QByteArray (QString:: *lvalueref)() const & = &QString::toLatin1;
|
|
QByteArray (QString:: *rvalueref)() && = &QString::toLatin1;
|
|
|
|
QString s("Hello");
|
|
QCOMPARE((s.*lvalueref)(), QByteArray("Hello"));
|
|
QCOMPARE((std::move(s).*rvalueref)(), QByteArray("Hello"));
|
|
|
|
// tests internal behavior:
|
|
QVERIFY(s.isEmpty());
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_rvalue_refs()
|
|
{
|
|
#ifndef Q_COMPILER_RVALUE_REFS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
int i = 1;
|
|
i = std::move(i);
|
|
|
|
QString s = "Hello";
|
|
QString t = std::move(s);
|
|
QCOMPARE(t, QString("Hello"));
|
|
|
|
s = t;
|
|
t = std::move(s);
|
|
QCOMPARE(t, QString("Hello"));
|
|
|
|
QString &&r = std::move(s);
|
|
QCOMPARE(r, QString("Hello"));
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_static_assert()
|
|
{
|
|
#ifndef Q_COMPILER_STATIC_ASSERT
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
static_assert(true, "Message");
|
|
#endif
|
|
}
|
|
|
|
#ifdef Q_COMPILER_TEMPLATE_ALIAS
|
|
template <typename T> using Map = QMap<QString, T>;
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_template_alias()
|
|
{
|
|
#ifndef Q_COMPILER_TEMPLATE_ALIAS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
Map<QVariant> m;
|
|
m.insert("Hello", "World");
|
|
QCOMPARE(m.value("Hello").toString(), QString("World"));
|
|
|
|
using X = int;
|
|
X i = 0;
|
|
Q_UNUSED(i);
|
|
#endif
|
|
}
|
|
|
|
#ifdef Q_COMPILER_THREAD_LOCAL
|
|
static thread_local int stl = 42;
|
|
thread_local int gtl = 42;
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_thread_local()
|
|
{
|
|
#ifndef Q_COMPILER_THREAD_LOCAL
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
thread_local int v = 1;
|
|
QVERIFY(v);
|
|
QVERIFY(stl);
|
|
QVERIFY(gtl);
|
|
|
|
thread_local QString s = "Hello";
|
|
QVERIFY(!s.isEmpty());
|
|
#endif
|
|
}
|
|
|
|
#ifdef Q_COMPILER_UDL
|
|
QString operator"" _tstqstring(const char *str, size_t len)
|
|
{
|
|
return QString::fromUtf8(str, len) + " UDL";
|
|
}
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_udl()
|
|
{
|
|
#ifndef Q_COMPILER_UDL
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
QString s = "Hello World"_tstqstring;
|
|
QCOMPARE(s, QString("Hello World UDL"));
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_unicode_strings()
|
|
{
|
|
#ifndef Q_COMPILER_UNICODE_STRINGS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
static const char16_t u[] = u"\u200BHello\u00A0World";
|
|
QCOMPARE(u[0], char16_t(0x200B));
|
|
|
|
static const char32_t U[] = U"\ufffe";
|
|
QCOMPARE(U[0], char32_t(0xfffe));
|
|
|
|
QCOMPARE(u"\U00010000"[0], char16_t(0xD800));
|
|
QCOMPARE(u"\U00010000"[1], char16_t(0xDC00));
|
|
#endif
|
|
}
|
|
|
|
static void noop(QPair<int, int>) {}
|
|
void tst_Compiler::cxx11_uniform_init()
|
|
{
|
|
#ifndef Q_COMPILER_UNIFORM_INIT
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
noop(QPair<int,int>());
|
|
#else
|
|
QString s{"Hello"};
|
|
int i{};
|
|
noop(QPair<int,int>{1,1});
|
|
noop({i,1});
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_unrestricted_unions()
|
|
{
|
|
#ifndef Q_COMPILER_UNRESTRICTED_UNIONS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
union U {
|
|
QString s;
|
|
U() {}
|
|
U(const QString &s) : s(s) {}
|
|
~U() {}
|
|
};
|
|
U u;
|
|
std::aligned_storage<sizeof(QString), Q_ALIGNOF(QString)> as;
|
|
Q_UNUSED(u);
|
|
Q_UNUSED(as);
|
|
|
|
U u2("hello");
|
|
u2.s.~QString();
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx11_variadic_macros()
|
|
{
|
|
#ifndef Q_COMPILER_VARIADIC_MACROS
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
# define TEST_VARARG(x, ...) __VA_ARGS__
|
|
QCOMPARE(TEST_VARARG(0, 1), 1);
|
|
#endif
|
|
}
|
|
|
|
#ifdef Q_COMPILER_VARIADIC_TEMPLATES
|
|
template <typename... Args> struct VariadicTemplate {};
|
|
#endif
|
|
|
|
void tst_Compiler::cxx11_variadic_templates()
|
|
{
|
|
#ifndef Q_COMPILER_VARIADIC_TEMPLATES
|
|
QSKIP("Compiler does not support C++11 feature");
|
|
#else
|
|
VariadicTemplate<> v0;
|
|
VariadicTemplate<int> v1;
|
|
VariadicTemplate<int, int, int, int,
|
|
int, int, int, int> v8;
|
|
Q_UNUSED(v0);
|
|
Q_UNUSED(v1);
|
|
Q_UNUSED(v8);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx14_binary_literals()
|
|
{
|
|
#if __cpp_binary_literals-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
int i = 0b11001001;
|
|
QCOMPARE(i, 0xC9);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx14_init_captures()
|
|
{
|
|
#if __cpp_init_captures-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
QCOMPARE([x = 42]() { return x; }(), 42);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx14_generic_lambdas()
|
|
{
|
|
#if __cpp_generic_lambdas-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
auto identity = [](auto x) { return x; };
|
|
QCOMPARE(identity(42), 42);
|
|
QCOMPARE(identity(42U), 42U);
|
|
QCOMPARE(identity(42L), 42L);
|
|
#endif
|
|
}
|
|
|
|
#if __cpp_constexpr-0 >= 201304
|
|
constexpr int relaxedConstexpr(int i)
|
|
{
|
|
i *= 2;
|
|
i += 2;
|
|
return i;
|
|
}
|
|
#endif
|
|
|
|
void tst_Compiler::cxx14_constexpr()
|
|
{
|
|
#if __cpp_constexpr-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
QCOMPARE(relaxedConstexpr(0), 2);
|
|
QCOMPARE(relaxedConstexpr(2), 6);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx14_decltype_auto()
|
|
{
|
|
#if __cpp_decltype_auto-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
QList<int> l;
|
|
l << 1;
|
|
decltype(auto) value = l[0];
|
|
value = 2;
|
|
QCOMPARE(l.at(0), 2);
|
|
#endif
|
|
}
|
|
|
|
#if __cpp_return_type_deduction >= 201304
|
|
auto returnTypeDeduction()
|
|
{
|
|
return 1U;
|
|
}
|
|
#endif
|
|
|
|
void tst_Compiler::cxx14_return_type_deduction()
|
|
{
|
|
#if __cpp_return_type_deduction-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
QCOMPARE(returnTypeDeduction(), 1U);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::cxx14_aggregate_nsdmi()
|
|
{
|
|
#if __cpp_aggregate_nsdmi-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
struct S { int i, j = i; };
|
|
S s = { 1 };
|
|
QCOMPARE(s.j, 1);
|
|
#endif
|
|
}
|
|
|
|
#if __cpp_variable_templates >= 201304
|
|
template <typename T> constexpr T variableTemplate = T(42);
|
|
#endif
|
|
void tst_Compiler::cxx14_variable_templates()
|
|
{
|
|
#if __cpp_variable_templates-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
QCOMPARE(variableTemplate<int>, 42);
|
|
QCOMPARE(variableTemplate<long>, 42L);
|
|
QCOMPARE(variableTemplate<unsigned>, 42U);
|
|
QCOMPARE(variableTemplate<unsigned long long>, 42ULL);
|
|
#endif
|
|
}
|
|
|
|
void tst_Compiler::runtimeArrays()
|
|
{
|
|
#if __cpp_runtime_arrays-0 < 201304
|
|
QSKIP("Compiler does not support this C++14 feature");
|
|
#else
|
|
int i[qrand() & 0x1f];
|
|
Q_UNUSED(i);
|
|
#endif
|
|
}
|
|
|
|
QTEST_MAIN(tst_Compiler)
|
|
#include "tst_compiler.moc"
|