tst_typeprettyprinter.cpp 5.02 KB
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#include <QtTest>
#include <QObject>
#include <QList>

#include <FullySpecifiedType.h>
#include <Type.h>
#include <CoreTypes.h>
#include <Symbols.h>
#include <TranslationUnit.h>
#include <Control.h>
#include <Names.h>
#include <Literals.h>
#include <Overview.h>
#include <Scope.h>
#include <TypePrettyPrinter.h>

using namespace CPlusPlus;

class tst_TypePrettyPrinter: public QObject
{
    Q_OBJECT

private Q_SLOTS:
    void basic();
    void basic_data();
};

Q_DECLARE_METATYPE(CPlusPlus::FullySpecifiedType);

TranslationUnit *unit;

NameId *nameId(const QString &name)
{ return new NameId(new Identifier(name.toLatin1().constData(), name.toLatin1().size())); }

Argument *arg(const QString &name, const FullySpecifiedType &ty)
{
    Argument *a = new Argument(unit, 0, nameId(name));
    a->setType(ty);
    return a;
}

FullySpecifiedType voidTy()
{ return FullySpecifiedType(new VoidType); }

FullySpecifiedType fnTy(const QString &name, const FullySpecifiedType &ret)
{
    Function *fn = new Function(unit, 0, nameId(name));
    fn->setReturnType(ret);
    return FullySpecifiedType(fn);
}

FullySpecifiedType fnTy(const QString &name, const FullySpecifiedType &ret, const FullySpecifiedType &a0)
{
    Function *fn = new Function(unit, 0, nameId(name));
    fn->setReturnType(ret);
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    fn->addMember(arg("a0", a0));
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    return FullySpecifiedType(fn);
}

FullySpecifiedType ptr(const FullySpecifiedType &el)
{ return FullySpecifiedType(new PointerType(el)); }

FullySpecifiedType ref(const FullySpecifiedType &el)
{ return FullySpecifiedType(new ReferenceType(el, false)); }

FullySpecifiedType rref(const FullySpecifiedType &el)
{ return FullySpecifiedType(new ReferenceType(el, true)); }

FullySpecifiedType arr(const FullySpecifiedType &el)
{ return FullySpecifiedType(new ArrayType(el, 4)); }

FullySpecifiedType cnst(const FullySpecifiedType &el)
{ FullySpecifiedType r(el); r.setConst(true); return r; }



void addRow(const FullySpecifiedType &f, QString result, QString name = QString())
{
    QTest::newRow(result.toLatin1().constData()) << f << name << result;
}

void tst_TypePrettyPrinter::basic_data()
{
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    // seems it now works without a translation unit
//    Control c;
//    TranslationUnit t(&c, 0);
//    unit = 0;
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    QTest::addColumn<FullySpecifiedType>("type");
    QTest::addColumn<QString>("name");
    QTest::addColumn<QString>("result");

    addRow(voidTy(), "void");
    addRow(cnst(voidTy()), "const void");
    addRow(ptr(fnTy("foo", voidTy())), "void (*)()");
    addRow(ptr(fnTy("foo", voidTy())), "void (*foo)()", "foo");

    // named types
    addRow(voidTy(), "void foo", "foo");
    addRow(ptr(voidTy()), "void *foo", "foo");
    addRow(cnst(ptr(voidTy())), "void *const foo", "foo");
    addRow(arr(voidTy()), "void foo[]", "foo");
    addRow(ptr(arr(voidTy())), "void (*foo)[]", "foo");

    // pointers
    addRow(ptr(voidTy()), "void *");
    addRow(ptr(ptr(voidTy())), "void **");

    addRow(ptr(cnst(voidTy())), "const void *");
    addRow(cnst(ptr(cnst(voidTy()))), "const void *const");
    addRow(cnst(ptr(voidTy())), "void *const");

    addRow(ptr(ptr(cnst(voidTy()))), "const void **");
    addRow(ptr(cnst(ptr(cnst(voidTy())))), "const void *const*");
    addRow(cnst(ptr(ptr(cnst(voidTy())))), "const void **const");
    addRow(cnst(ptr(cnst(ptr(cnst(voidTy()))))), "const void *const*const");
    addRow(ptr(cnst(ptr(voidTy()))), "void *const*");
    addRow(cnst(ptr(ptr(voidTy()))), "void **const");
    addRow(cnst(ptr(cnst(ptr(voidTy())))), "void *const*const");

    addRow(arr(voidTy()), "void[]");
    addRow(arr(ptr(voidTy())), "void *[]");
    addRow(ptr(arr(voidTy())), "void (*)[]");
    addRow(ptr(arr(arr(voidTy()))), "void (*)[][]");
    addRow(ptr(arr(ptr(voidTy()))), "void *(*)[]");
    addRow(arr(ptr(arr(voidTy()))), "void (*[])[]");

    // references
    addRow(ref(voidTy()), "void &");
    addRow(ref(ref(voidTy())), "void & &");

    addRow(ref(cnst(voidTy())), "const void &");
    addRow(cnst(ref(cnst(voidTy()))), "const void &const");
    addRow(cnst(ref(voidTy())), "void &const");

    addRow(ref(ref(cnst(voidTy()))), "const void & &");
    addRow(ref(cnst(ref(cnst(voidTy())))), "const void &const&");
    addRow(cnst(ref(ref(cnst(voidTy())))), "const void & &const");
    addRow(cnst(ref(cnst(ref(cnst(voidTy()))))), "const void &const&const");
    addRow(ref(cnst(ref(voidTy()))), "void &const&");
    addRow(cnst(ref(ref(voidTy()))), "void & &const");
    addRow(cnst(ref(cnst(ref(voidTy())))), "void &const&const");

    addRow(arr(voidTy()), "void[]");
    addRow(arr(ref(voidTy())), "void &[]");
    addRow(ref(arr(voidTy())), "void (&)[]");
    addRow(ref(arr(arr(voidTy()))), "void (&)[][]");
    addRow(ref(arr(ref(voidTy()))), "void &(&)[]");
    addRow(arr(ref(arr(voidTy()))), "void (&[])[]");
}

void tst_TypePrettyPrinter::basic()
{
    QFETCH(FullySpecifiedType, type);
    QFETCH(QString, name);
    QFETCH(QString, result);

    Overview o;
    o.setShowReturnTypes(true);
    TypePrettyPrinter pp(&o);
    QCOMPARE(pp(type, name), result);
}

QTEST_APPLESS_MAIN(tst_TypePrettyPrinter)
#include "tst_typeprettyprinter.moc"