/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#include <namedemangler/namedemangler.h>
#include <namedemangler/parsetreenodes.h>

#include <QObject>
#include <QDebug>
#include <QTest>

#include <cctype>

const char *toString(char c) { return (QByteArray("'") + c + "'").constData(); }

using namespace Debugger::Internal;
using namespace QTest;

class NameDemanglerAutoTest : public QObject
{
    Q_OBJECT
private slots:
    void testUnmangledName();
    void testDisjunctFirstSets();
    void testCorrectlyMangledNames();
    void testCorrectlyMangledNames_data();
    void testIncorrectlyMangledNames();

private:
    void testIncorrectlyMangledName(const QString &mangledName);
    NameDemangler demangler;
};

void NameDemanglerAutoTest::testUnmangledName()
{
    QVERIFY(demangler.demangle(QLatin1String("f"))
            && demangler.demangledName() == QLatin1String("f"));
}

void NameDemanglerAutoTest::testCorrectlyMangledNames()
{
    QFETCH(QString, demangled);
    QString mangled = QString::fromLatin1(currentDataTag());

    QVERIFY2(demangler.demangle(mangled), qPrintable(demangler.errorString()));
    QCOMPARE(demangler.demangledName(), demangled);
}

void NameDemanglerAutoTest::testCorrectlyMangledNames_data()
{
    addColumn<QString>("demangled");

    newRow("_Z1fv")
        << "f()";
    newRow("_Z1fi")
        << "f(int)";
#ifdef Q_OS_LINUX
    newRow("_Z3foo3bar")
        << "foo(bar)";
    newRow("_Zrm1XS_")
        << "operator%(X, X)";
    newRow("_ZplR1XS0_")
        << "operator+(X &, X &)";
    newRow("_ZlsRK1XS1_")
        << "operator<<(X const &, X const &)";
    newRow("_ZN3FooIA4_iE3barE")
        << "Foo<int[4]>::bar";
    newRow("_Z5firstI3DuoEvS0_")
        << "void first<Duo>(Duo)";
    newRow("_Z5firstI3DuoEvT_")
        << "void first<Duo>(Duo)";
    newRow("_Z3fooIiPFidEiEvv")
        << "void foo<int, int (*)(double), int>()";
    newRow("_ZN1N1fE")
        << "N::f";
    newRow("_ZN6System5Sound4beepEv")
        << "System::Sound::beep()";
    newRow("_ZN5Arena5levelE")
        << "Arena::level";
    newRow("_ZN5StackIiiE5levelE")
        << "Stack<int, int>::level";
    newRow("_Z1fI1XEvPVN1AIT_E1TE")
        << "void f<X>(A<X>::T volatile *)";
    newRow("_ZngILi42EEvN1AIXplT_Li2EEE1TE")
        << "void operator-<42>(A<42 + 2>::T)";
    newRow("_Z4makeI7FactoryiET_IT0_Ev")
        << "Factory<int> make<Factory, int>()";
    newRow("_Z3foo5Hello5WorldS0_S_")
        << "foo(Hello, World, World, Hello)";
    newRow("_Z3fooPM2ABi")
        << "foo(int AB::**)";
    newRow("_ZlsRSoRKSs")
        << "operator<<(std::basic_ostream<char, std::char_traits<char> > &, "
           "std::basic_string<char, std::char_traits<char>, "
           "std::allocator<char> > const &)";
    newRow("_ZTI7a_class")
        << "typeid(a_class)";
    newRow("_ZZN1A3fooEiE1B")
        << "A::foo(int)::B";
    newRow("_ZZ3foovEN1C1DE")
        << "foo()::C::D";
    newRow("_ZZZ3foovEN1C3barEvEN1E3bazEv")
        << "foo()::C::bar()::E::baz()";
    newRow("_ZZN1N1fEiE1p")
        << "N::f(int)::p";
    newRow("_ZZN1N1fEiEs")
        << "N::f(int)::{string literal}";
    newRow("_Z41__static_initialization_and_destruction_0ii")
        << "__static_initialization_and_destruction_0(int, int)";
    newRow("_ZN20NameDemanglerPrivate3eoiE")
        << "NameDemanglerPrivate::eoi";
    newRow("_ZZN20NameDemanglerPrivate15parseIdentifierEiE8__func__")
        << "NameDemanglerPrivate::parseIdentifier(int)::__func__";
    newRow("_ZN4QSetI5QCharED1Ev")
        << "QSet<QChar>::~QSet()";
    newRow("_Zne5QCharS_")
        << "operator!=(QChar, QChar)";
    newRow("_ZN20NameDemanglerPrivate17parseFunctionTypeEv")
        << "NameDemanglerPrivate::parseFunctionType()";
    newRow("_ZNK20NameDemanglerPrivate16ArrayNewOperator8makeExprERK11QStringList")
        << "NameDemanglerPrivate::ArrayNewOperator::makeExpr(QStringList const &) const";
    newRow("_ZN13QLatin1StringC1EPKc")
        << "QLatin1String::QLatin1String(char const *)";
    newRow("_ZN15QtSharedPointer16ExternalRefCountIN20NameDemanglerPrivate8OperatorEE12internalCopyIS2_EEvRKNS0_IT_EE")
        << "void QtSharedPointer::ExternalRefCount<NameDemanglerPrivate::Operator>"
           "::internalCopy<NameDemanglerPrivate::Operator>(QtSharedPointer"
           "::ExternalRefCount<NameDemanglerPrivate::Operator> const &)";
    newRow("_ZN15QtSharedPointer16ExternalRefCountIN20NameDemanglerPrivate8OperatorEE11internalSetEPNS_20ExternalRefCountDataEPS2_")
        << "QtSharedPointer::ExternalRefCount<NameDemanglerPrivate::Operator>"
           "::internalSet(QtSharedPointer::ExternalRefCountData *, NameDemanglerPrivate::Operator *)";
    newRow("_ZN20NameDemanglerPrivate17parseUnscopedNameEv")
        << "NameDemanglerPrivate::parseUnscopedName()";
    newRow("_ZNK7QString3argExiiRK5QChar")
        << "QString::arg(long long, int, int, QChar const &) const";
    newRow("_ZN20NameDemanglerPrivate8OperatorC2ERK7QStringS3_")
        << "NameDemanglerPrivate::Operator::Operator(QString const &, QString const &)";
    newRow("_ZN15QtSharedPointer16ExternalRefCountIN20NameDemanglerPrivate8OperatorEEC2EN2Qt14InitializationE")
        << "QtSharedPointer::ExternalRefCount<NameDemanglerPrivate::Operator>::ExternalRefCount(Qt::Initialization)";
    newRow("_ZN7QString5clearEv")
        << "QString::clear()";
    newRow("_ZNK5QListI7QStringE2atEi")
        << "QList<QString>::at(int) const";
    newRow("_ZNK7QString10startsWithERKS_N2Qt15CaseSensitivityE")
        << "QString::startsWith(QString const &, Qt::CaseSensitivity) const";
    newRow("_ZNK4QSetI5QCharE8constEndEv")
        << "QSet<QChar>::constEnd() const";
    newRow("_Z11qt_assert_xPKcS0_S0_i")
        << "qt_assert_x(char const *, char const *, char const *, int)";
    newRow("_ZN9QHashData8willGrowEv")
        << "QHashData::willGrow()";
    newRow("_ZNK5QHashI5QChar15QHashDummyValueE14const_iteratorneERKS3_")
        << "QHash<QChar, QHashDummyValue>::const_iterator::operator!="
           "(QHash<QChar, QHashDummyValue>::const_iterator const &) const";
    newRow("_ZNK13NameDemangler11errorStringEv")
        << "NameDemangler::errorString() const";
    newRow("_ZN7QString7replaceERK7QRegExpRKS_")
        << "QString::replace(QRegExp const &, QString const &)";
    newRow("_ZN7QString4freeEPNS_4DataE")
        << "QString::free(QString::Data *)";
    newRow("_ZTSN20NameDemanglerPrivate19ArrayAccessOperatorE")
        << "typeid(NameDemanglerPrivate::ArrayAccessOperator).name()";
    newRow("_ZN3ns11fERKPFPKiS1_RKhE")
        << "ns1::f(int const * (* const &)(int const *, unsigned char const &))";
    newRow("_Z9test_funcMN3ns11cImEEKFPKvPiRlmE")
        << "test_func(void const * (ns1::c<unsigned long>::*)(int *, long &, unsigned long) const)";
    newRow("_ZN3ns11fEPKPFPKiS1_RKhE")
        << "ns1::f(int const * (* const *)(int const *, unsigned char const &))";
    newRow("_ZNK1CcviEv")
        << "C::operator int() const";
    newRow("_ZN1CppEv")
        << "C::operator++()";
    newRow("_ZN1CmmEv")
        << "C::operator--()";
    newRow("_ZN1CppEi")
        << "C::operator++(int)";
    newRow("_ZN1CmmEi")
        << "C::operator--(int)";
    newRow("_ZNK1CcvT_IPKcEEv")
        << "C::operator char const *<char const *>() const";
    newRow("_Z9weirdfuncIiEvT_KPFS0_S0_E")
        << "void weirdfunc<int>(int, int (* const)(int))";
    newRow("_Z9weirdfuncIiEvT_PFS0_DtfL1p_EE")
        << "void weirdfunc<int>(int, int (*)(decltype({param#1})))";
    newRow("_Z9weirdfuncIiEvT_S0_")
        << "void weirdfunc<int>(int, int)";
    newRow("_Z9weirdfuncIiEvT_DtfL0p_E")
        << "void weirdfunc<int>(int, decltype({param#1}))";
    newRow("_Z9weirdfuncIiEvT_S0_S0_")
        << "void weirdfunc<int>(int, int, int)";
    newRow("_Z9weirdfuncIiEvT_S0_DtfL0p0_E")
        << "void weirdfunc<int>(int, int, decltype({param#2}))";
    newRow("_Z8toStringIiESsT_")
        << "std::basic_string<char, std::char_traits<char>, std::allocator<char> > toString<int>(int)";

    newRow("_Z4funcIRA5_iEvOT_")
        << "void func<int (&)[5]>(int (&)[5])";
    newRow("_ZSt9make_pairIiRA5_KcESt4pairINSt17__decay_and_stripIT_E6__typeENS4_IT0_E6__typeEEOS5_OS8_")
        << "std::pair<std::__decay_and_strip<int>::__type, "
           "std::__decay_and_strip<char const (&)[5]>::__type> "
           "std::make_pair<int, char const (&)[5]>(int &&, char const (&)[5])";

    // All examples from the ABI spec.
    newRow("_ZN1S1xE")
        << "S::x";
    newRow("_Z1fM1AKFvvE")
        << "f(void (A::*)() const)";
    newRow("_Z1fIiEvT_")
        << "void f<int>(int)";
    newRow("_Z3fooc")
        << "foo(char)";
    newRow("_Z2CBIL_Z3foocEE")
        << "CB<foo(char)>";
    newRow("_Z2CBIL_Z7IsEmptyEE")
        << "CB<IsEmpty>";
    newRow("_ZZ1giEN1S1fE_2i")
        << "g(int)::S::f(int)";
    newRow("_ZZ1gvEN1SC1Ev")
        << "g()::S::S()";
    newRow("_ZZZ1gvEN1SC1EvEs")
        << "g()::S::S()::{string literal}";
    newRow("_ZZ1gvE5str4a")
        << "g()::str4a";
    newRow("_ZZ1gvEs_1")
        << "g()::{string literal}";
    newRow("_ZZ1gvE5str4b")
        << "g()::str4b";
    newRow("_Z1fPFvvEM1SFvvE")
        << "f(void (*)(), void (S::*)())";
    newRow("_ZN1N1TIiiE2mfES0_IddE")
        << "N::T<int, int>::mf(N::T<double, double>)";
    newRow("_ZSt5state")
        << "std::state";
    newRow("_ZNSt3_In4wardE")
        << "std::_In::ward";
    newRow("_Z1fN1SUt_E")
        << "f(S::{unnamed type#1})";
    newRow("_ZZZ1giEN1S1fE_2iEUt1_")
        << "g(int)::S::f(int)::{unnamed type#3}";
    newRow("_ZZZ1giEN1S1fE_2iENUt1_2fxEv")
        << "g(int)::S::f(int)::{unnamed type#3}::fx()";
    newRow("_Z1AIcfE")
        << "A<char, float>";
    newRow("_Z1fIiEvT_PDtfL0pK_E")
        << "void f<int>(int, decltype({param#1 const}) *)";
    newRow("_Z1AILln42EE")
        << "A<-42L>";
    newRow("_Z2f1I1QEDTpldtfp_1xdtL_Z1qE1xET_")
        << "decltype({param#1}.x + q.x) f1<Q>(Q)";
    newRow("_Z2f2I1QEDTpldtfp_1xsrS0_1xET_")
        << "decltype({param#1}.x + Q::x) f2<Q>(Q)";
    newRow("_Z2f3IiEDTplfp_dtL_Z1dEsr1B1XIT_EE1xES1_")
        << "decltype({param#1} + d.B::X<int>::x) f3<int>(int)";
    newRow("_Z3fooILi2EEvRAplT_Li1E_i")
        << "void foo<2>(int (&)[2 + 1])";
    newRow("_ZZ1giENKUlvE_clEv")
        << "g(int)::{lambda()#1}::operator()() const";
    newRow("_ZZ1giENKUlvE0_clEv")
        << "g(int)::{lambda()#2}::operator()() const";
    newRow("_ZNK1SIiE1xMUlvE_clEv")
        << "S<int>::x::{lambda()#1}::operator()() const";
    newRow("_ZN1S4funcEii")
        << "S::func(int, int)";

    // Note: c++filt from binutils 2.22 demangles these wrong (counts default arguments from first instead of from last)
    newRow("_ZZN1S1fEiiEd0_NKUlvE_clEv")
        << "S::f(int, int)::{default arg#1}::{lambda()#1}::operator()() const";
    newRow("_ZZN1S1fEiiEd0_NKUlvE0_clEv")
        << "S::f(int, int)::{default arg#1}::{lambda()#2}::operator()() const";
    newRow("_ZZN1S1fEiiEd_NKUlvE_clEv")
        << "S::f(int, int)::{default arg#2}::{lambda()#1}::operator()() const";

     // Note: gcc 4.6.3 encodes this as "_Z2f4I7OpClassEDTadsrT_miES1_".
    newRow("_Z2f4I7OpClassEDTadsrT_onmiES0_")
        << "decltype(&OpClass::operator-) f4<OpClass>(OpClass)";
#else
    qDebug("Most tests disabled outside Linux");
#endif
}

void NameDemanglerAutoTest::testIncorrectlyMangledNames()
{
}

void NameDemanglerAutoTest::testDisjunctFirstSets()
{
    for (char c = 0x20; c < 0x7e; ++c) {

        // <encoding>
        QVERIFY(!NameNode::mangledRepresentationStartsWith(c)
                || !SpecialNameNode::mangledRepresentationStartsWith(c));

        // <name>
        QVERIFY(!NestedNameNode::mangledRepresentationStartsWith(c)
                || !UnscopedNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!NestedNameNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!NestedNameNode::mangledRepresentationStartsWith(c)
                || !LocalNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!UnscopedNameNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c) || c == 'S');
        QVERIFY(!UnscopedNameNode::mangledRepresentationStartsWith(c)
                || !LocalNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!SubstitutionNode::mangledRepresentationStartsWith(c)
                || !LocalNameNode::mangledRepresentationStartsWith(c));

        // <nested-name>
        QVERIFY(!CvQualifiersNode::mangledRepresentationStartsWith(c)
                || !PrefixNode::mangledRepresentationStartsWith(c) || c == 'r');

        // <prefix>
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateArgsNode::mangledRepresentationStartsWith(c)
                || !UnqualifiedNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !UnqualifiedNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!SubstitutionNode::mangledRepresentationStartsWith(c)
                || !UnqualifiedNameNode::mangledRepresentationStartsWith(c));

        // <template-arg>
        QVERIFY(!TypeNode::mangledRepresentationStartsWith(c)
                || !ExprPrimaryNode::mangledRepresentationStartsWith(c));

        // <expression>
        QVERIFY(!OperatorNameNode::mangledRepresentationStartsWith(c)
                || !TemplateParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!OperatorNameNode::mangledRepresentationStartsWith(c)
                || !FunctionParamNode::mangledRepresentationStartsWith(c));
        QVERIFY2(!OperatorNameNode::mangledRepresentationStartsWith(c)
                || !UnresolvedNameNode::mangledRepresentationStartsWith(c)
                 || c == 'd' || c == 'g' || c == 'o' || c == 's', toString(c));
        QVERIFY(!OperatorNameNode::mangledRepresentationStartsWith(c)
                || !ExprPrimaryNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !FunctionParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !ExprPrimaryNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !FunctionParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !UnresolvedNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionParamNode::mangledRepresentationStartsWith(c)
                || !UnresolvedNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionParamNode::mangledRepresentationStartsWith(c)
                || !ExprPrimaryNode::mangledRepresentationStartsWith(c));

        // <expr-primary>
        QVERIFY(!TypeNode::mangledRepresentationStartsWith(c)
                || !MangledNameRule::mangledRepresentationStartsWith(c));

        // <type>
        QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !FunctionTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY2(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !ClassEnumTypeRule::mangledRepresentationStartsWith(c) || c == 'D', toString(c));
        QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !ArrayTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !PointerToMemberTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !TemplateParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !CvQualifiersNode::mangledRepresentationStartsWith(c));
        QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c) || c == 'D');
        QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith(c)
                || !ClassEnumTypeRule::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith(c)
                || !ArrayTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith(c)
                || !PointerToMemberTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith(c)
                || !TemplateParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith(c)
                || !CvQualifiersNode::mangledRepresentationStartsWith(c));
        QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ClassEnumTypeRule::mangledRepresentationStartsWith(c)
                || !ArrayTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ClassEnumTypeRule::mangledRepresentationStartsWith(c)
                || !PointerToMemberTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ClassEnumTypeRule::mangledRepresentationStartsWith(c)
                || !TemplateParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ClassEnumTypeRule::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ClassEnumTypeRule::mangledRepresentationStartsWith(c)
                || !CvQualifiersNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ClassEnumTypeRule::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c) || c == 'D');
        QVERIFY(!ArrayTypeNode::mangledRepresentationStartsWith(c)
                || !PointerToMemberTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ArrayTypeNode::mangledRepresentationStartsWith(c)
                || !TemplateParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ArrayTypeNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ArrayTypeNode::mangledRepresentationStartsWith(c)
                || !CvQualifiersNode::mangledRepresentationStartsWith(c));
        QVERIFY(!ArrayTypeNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!PointerToMemberTypeNode::mangledRepresentationStartsWith(c)
                || !TemplateParamNode::mangledRepresentationStartsWith(c));
        QVERIFY(!PointerToMemberTypeNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!PointerToMemberTypeNode::mangledRepresentationStartsWith(c)
                || !CvQualifiersNode::mangledRepresentationStartsWith(c));
        QVERIFY(!PointerToMemberTypeNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !CvQualifiersNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!SubstitutionNode::mangledRepresentationStartsWith(c)
                || !CvQualifiersNode::mangledRepresentationStartsWith(c));
        QVERIFY(!SubstitutionNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!CvQualifiersNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c));

        // <unqualified-name>
        QVERIFY(!OperatorNameNode::mangledRepresentationStartsWith(c)
                || !CtorDtorNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!OperatorNameNode::mangledRepresentationStartsWith(c)
                || !SourceNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!OperatorNameNode::mangledRepresentationStartsWith(c)
                || !UnnamedTypeNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!CtorDtorNameNode::mangledRepresentationStartsWith(c)
                || !SourceNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!CtorDtorNameNode::mangledRepresentationStartsWith(c)
                || !UnnamedTypeNameNode::mangledRepresentationStartsWith(c));
        QVERIFY(!SourceNameNode::mangledRepresentationStartsWith(c)
                || !UnnamedTypeNameNode::mangledRepresentationStartsWith(c));

        // <array-type>
        QVERIFY(!NonNegativeNumberNode<10>::mangledRepresentationStartsWith(c)
                || !ExpressionNode::mangledRepresentationStartsWith(c) || std::isdigit(c));

        // <unresolved-type>
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !DeclTypeNode::mangledRepresentationStartsWith(c));
        QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));
        QVERIFY(!DeclTypeNode::mangledRepresentationStartsWith(c)
                || !SubstitutionNode::mangledRepresentationStartsWith(c));

        // <desctructor-name>
        QVERIFY(!UnresolvedTypeRule::mangledRepresentationStartsWith(c)
                || !SimpleIdNode::mangledRepresentationStartsWith(c));
    }

    // <template-args>, <template-arg>
    QVERIFY(!TemplateArgNode::mangledRepresentationStartsWith('E'));

    // <template-arg>
    QVERIFY(!TypeNode::mangledRepresentationStartsWith('X')
            && !TypeNode::mangledRepresentationStartsWith('J')
            /* && !TypeNode::mangledRepresentationStartsWith('s') */);
    QVERIFY(!ExprPrimaryNode::mangledRepresentationStartsWith('X')
             && !ExprPrimaryNode::mangledRepresentationStartsWith('J')
             && !ExprPrimaryNode::mangledRepresentationStartsWith('s'));

    // <expression>
    QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith('c')
            && !TemplateParamNode::mangledRepresentationStartsWith('s')
            && !TemplateParamNode::mangledRepresentationStartsWith('a'));
    QVERIFY(!FunctionParamNode::mangledRepresentationStartsWith('c')
            && !FunctionParamNode::mangledRepresentationStartsWith('c')
            && !FunctionParamNode::mangledRepresentationStartsWith('c'));
    QVERIFY(!ExprPrimaryNode::mangledRepresentationStartsWith('c')
            && !ExprPrimaryNode::mangledRepresentationStartsWith('s')
            && !ExprPrimaryNode::mangledRepresentationStartsWith('a'));
    QVERIFY(!ExpressionNode::mangledRepresentationStartsWith('E'));
    QVERIFY(!ExpressionNode::mangledRepresentationStartsWith('_'));
    QVERIFY(!InitializerNode::mangledRepresentationStartsWith('E'));

    // <type>
    QVERIFY(!BuiltinTypeNode::mangledRepresentationStartsWith('P')
            && !BuiltinTypeNode::mangledRepresentationStartsWith('R')
            && !BuiltinTypeNode::mangledRepresentationStartsWith('O')
            && !BuiltinTypeNode::mangledRepresentationStartsWith('C')
            && !BuiltinTypeNode::mangledRepresentationStartsWith('G')
            && !BuiltinTypeNode::mangledRepresentationStartsWith('U'));
    QVERIFY(!FunctionTypeNode::mangledRepresentationStartsWith('P')
            && !FunctionTypeNode::mangledRepresentationStartsWith('R')
            && !FunctionTypeNode::mangledRepresentationStartsWith('O')
            && !FunctionTypeNode::mangledRepresentationStartsWith('C')
            && !FunctionTypeNode::mangledRepresentationStartsWith('G')
            && !FunctionTypeNode::mangledRepresentationStartsWith('U')
            && !FunctionTypeNode::mangledRepresentationStartsWith('D'));
    QVERIFY(!ClassEnumTypeRule::mangledRepresentationStartsWith('P')
            && !ClassEnumTypeRule::mangledRepresentationStartsWith('R')
            && !ClassEnumTypeRule::mangledRepresentationStartsWith('O')
            && !ClassEnumTypeRule::mangledRepresentationStartsWith('C')
            && !ClassEnumTypeRule::mangledRepresentationStartsWith('G')
            && !ClassEnumTypeRule::mangledRepresentationStartsWith('U')
            /* && !firstSetClassEnumType.contains('D') */);
    QVERIFY(!ArrayTypeNode::mangledRepresentationStartsWith('P')
            && !ArrayTypeNode::mangledRepresentationStartsWith('R')
            && !ArrayTypeNode::mangledRepresentationStartsWith('O')
            && !ArrayTypeNode::mangledRepresentationStartsWith('C')
            && !ArrayTypeNode::mangledRepresentationStartsWith('G')
            && !ArrayTypeNode::mangledRepresentationStartsWith('U')
            && !ArrayTypeNode::mangledRepresentationStartsWith('D'));
    QVERIFY(!PointerToMemberTypeNode::mangledRepresentationStartsWith('P')
            && !PointerToMemberTypeNode::mangledRepresentationStartsWith('R')
            && !PointerToMemberTypeNode::mangledRepresentationStartsWith('O')
            && !PointerToMemberTypeNode::mangledRepresentationStartsWith('C')
            && !PointerToMemberTypeNode::mangledRepresentationStartsWith('G')
            && !PointerToMemberTypeNode::mangledRepresentationStartsWith('U')
            && !PointerToMemberTypeNode::mangledRepresentationStartsWith('D'));
    QVERIFY(!TemplateParamNode::mangledRepresentationStartsWith('P')
            && !TemplateParamNode::mangledRepresentationStartsWith('R')
            && !TemplateParamNode::mangledRepresentationStartsWith('O')
            && !TemplateParamNode::mangledRepresentationStartsWith('C')
            && !TemplateParamNode::mangledRepresentationStartsWith('G')
            && !TemplateParamNode::mangledRepresentationStartsWith('U')
            && !TemplateParamNode::mangledRepresentationStartsWith('D'));
    QVERIFY(!SubstitutionNode::mangledRepresentationStartsWith('P')
            && !SubstitutionNode::mangledRepresentationStartsWith('R')
            && !SubstitutionNode::mangledRepresentationStartsWith('O')
            && !SubstitutionNode::mangledRepresentationStartsWith('C')
            && !SubstitutionNode::mangledRepresentationStartsWith('G')
            && !SubstitutionNode::mangledRepresentationStartsWith('U')
            && !SubstitutionNode::mangledRepresentationStartsWith('D'));
    QVERIFY(!CvQualifiersNode::mangledRepresentationStartsWith('P')
            && !CvQualifiersNode::mangledRepresentationStartsWith('R')
            && !CvQualifiersNode::mangledRepresentationStartsWith('O')
            && !CvQualifiersNode::mangledRepresentationStartsWith('C')
            && !CvQualifiersNode::mangledRepresentationStartsWith('G')
            && !CvQualifiersNode::mangledRepresentationStartsWith('U')
            && !CvQualifiersNode::mangledRepresentationStartsWith('D'));
    QVERIFY(!DeclTypeNode::mangledRepresentationStartsWith('P')
            && !DeclTypeNode::mangledRepresentationStartsWith('R')
            && !DeclTypeNode::mangledRepresentationStartsWith('O')
            && !DeclTypeNode::mangledRepresentationStartsWith('C')
            && !DeclTypeNode::mangledRepresentationStartsWith('G')
            && !DeclTypeNode::mangledRepresentationStartsWith('U'));

    // <array-type>
    QVERIFY(!NonNegativeNumberNode<10>::mangledRepresentationStartsWith('_'));
    QVERIFY(!ExpressionNode::mangledRepresentationStartsWith('_'));

    // <substitution>
    QVERIFY(!NonNegativeNumberNode<36>::mangledRepresentationStartsWith('_')
            && !NonNegativeNumberNode<36>::mangledRepresentationStartsWith('t')
            && !NonNegativeNumberNode<36>::mangledRepresentationStartsWith('a')
            && !NonNegativeNumberNode<36>::mangledRepresentationStartsWith('b')
            && !NonNegativeNumberNode<36>::mangledRepresentationStartsWith('s')
            && !NonNegativeNumberNode<36>::mangledRepresentationStartsWith('i')
            && !NonNegativeNumberNode<36>::mangledRepresentationStartsWith('o')
            && !NonNegativeNumberNode<36>::mangledRepresentationStartsWith('d'));

    // <special-name>
    QVERIFY(!CallOffsetRule::mangledRepresentationStartsWith('V')
            && !CallOffsetRule::mangledRepresentationStartsWith('T')
            && !CallOffsetRule::mangledRepresentationStartsWith('I')
            && !CallOffsetRule::mangledRepresentationStartsWith('S')
            && !CallOffsetRule::mangledRepresentationStartsWith('c'));

    // <unscoped-name>
    QVERIFY(!UnqualifiedNameNode::mangledRepresentationStartsWith('S'));

    // <prefix>
    QVERIFY(!TemplateArgsNode::mangledRepresentationStartsWith('M'));
    QVERIFY(!UnqualifiedNameNode::mangledRepresentationStartsWith('M'));

    // <base-unresolved-name>
    QVERIFY(!SimpleIdNode::mangledRepresentationStartsWith('o'));
    QVERIFY(!SimpleIdNode::mangledRepresentationStartsWith('d'));

    // <initializer>
    QVERIFY(!ExpressionNode::mangledRepresentationStartsWith('E'));

    // <unresolved-name-node>
    QVERIFY(!BaseUnresolvedNameNode::mangledRepresentationStartsWith('g'));
    QVERIFY(!BaseUnresolvedNameNode::mangledRepresentationStartsWith('s'));
    QVERIFY(!UnresolvedTypeRule::mangledRepresentationStartsWith('N'));
    QVERIFY(!UnresolvedQualifierLevelRule::mangledRepresentationStartsWith('N'));
    QVERIFY(!UnresolvedQualifierLevelRule::mangledRepresentationStartsWith('E'));
}

void NameDemanglerAutoTest::testIncorrectlyMangledName(
    const QString &mangledName)
{
    QVERIFY(!demangler.demangle(mangledName));
}

QTEST_MAIN(NameDemanglerAutoTest)

#include "tst_namedemangler.moc"