qt5base-lts/tests/auto/testlib/selftests/cmptest/tst_cmptest.cpp

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#include <QtCore>
#include <QtTest/QtTest>

class tst_Cmptest: public QObject
{
    Q_OBJECT

private slots:
    void compare_boolfuncs();
    void compare_pointerfuncs();
    void compare_tostring();
    void compare_tostring_data();
    void compareQStringLists();
    void compareQStringLists_data();
};

static bool boolfunc() { return true; }
static bool boolfunc2() { return true; }

void tst_Cmptest::compare_boolfuncs()
{
    QCOMPARE(boolfunc(), boolfunc());
    QCOMPARE(boolfunc(), boolfunc2());
    QCOMPARE(!boolfunc(), !boolfunc2());
    QCOMPARE(boolfunc(), true);
    QCOMPARE(!boolfunc(), false);
}

static int i = 0;

static int *intptr() { return &i; }

void tst_Cmptest::compare_pointerfuncs()
{
    QCOMPARE(intptr(), intptr());
    QCOMPARE(&i, &i);
    QCOMPARE(intptr(), &i);
    QCOMPARE(&i, intptr());
}

Q_DECLARE_METATYPE(QVariant)

struct PhonyClass
{
    int i;
};

void tst_Cmptest::compare_tostring_data()
{
    QTest::addColumn<QVariant>("actual");
    QTest::addColumn<QVariant>("expected");

    QTest::newRow("int, string")
        << QVariant::fromValue(123)
        << QVariant::fromValue(QString("hi"))
    ;

    QTest::newRow("both invalid")
        << QVariant()
        << QVariant()
    ;

    QTest::newRow("null hash, invalid")
        << QVariant(QVariant::Hash)
        << QVariant()
    ;

    QTest::newRow("string, null user type")
        << QVariant::fromValue(QString::fromLatin1("A simple string"))
        << QVariant(QVariant::Type(qRegisterMetaType<PhonyClass>("PhonyClass")))
    ;

    PhonyClass fake1 = {1};
    PhonyClass fake2 = {2};
    QTest::newRow("both non-null user type")
        << QVariant(qRegisterMetaType<PhonyClass>("PhonyClass"), (const void*)&fake1)
        << QVariant(qRegisterMetaType<PhonyClass>("PhonyClass"), (const void*)&fake2)
    ;
}

void tst_Cmptest::compare_tostring()
{
    QFETCH(QVariant, actual);
    QFETCH(QVariant, expected);

    QCOMPARE(actual, expected);
}

void tst_Cmptest::compareQStringLists_data()
{
    QTest::addColumn<QStringList>("opA");
    QTest::addColumn<QStringList>("opB");

    {
        QStringList opA;
        QStringList opB(opA);

        QTest::newRow("empty lists") << opA << opB;
    }

    {
        QStringList opA;
        opA.append(QLatin1String("string1"));
        opA.append(QLatin1String("string2"));
        opA.append(QLatin1String("string3"));
        opA.append(QLatin1String("string4"));

        QStringList opB(opA);

        QTest::newRow("equal lists") << opA << opB;
    }

    {
        QStringList opA;
        opA.append(QLatin1String("string1"));
        opA.append(QLatin1String("string2"));

        QStringList opB(opA);
        opA.append(QLatin1String("string3"));
        opB.append(QLatin1String("DIFFERS"));

        QTest::newRow("last item different") << opA << opB;
    }

    {
        QStringList opA;
        opA.append(QLatin1String("string1"));
        opA.append(QLatin1String("string2"));

        QStringList opB(opA);
        opA.append(QLatin1String("string3"));
        opA.append(QLatin1String("string4"));

        opB.append(QLatin1String("DIFFERS"));
        opB.append(QLatin1String("string4"));

        QTest::newRow("second-last item different") << opA << opB;
    }

    {
        QStringList opA;
        opA.append(QLatin1String("string1"));
        opA.append(QLatin1String("string2"));

        QStringList opB;
        opB.append(QLatin1String("string1"));

        QTest::newRow("prefix") << opA << opB;
    }

    {
        QStringList opA;
        opA.append(QLatin1String("openInNewWindow"));
        opA.append(QLatin1String("openInNewTab"));
        opA.append(QLatin1String("separator"));
        opA.append(QLatin1String("bookmark_add"));
        opA.append(QLatin1String("savelinkas"));
        opA.append(QLatin1String("copylinklocation"));
        opA.append(QLatin1String("separator"));
        opA.append(QLatin1String("openWith_submenu"));
        opA.append(QLatin1String("preview1"));
        opA.append(QLatin1String("actions_submenu"));
        opA.append(QLatin1String("separator"));
        opA.append(QLatin1String("viewDocumentSource"));

        QStringList opB;
        opB.append(QLatin1String("viewDocumentSource"));

        QTest::newRow("short list second") << opA << opB;

        QTest::newRow("short list first") << opB << opA;
    }
}

void tst_Cmptest::compareQStringLists()
{
    QFETCH(QStringList, opA);
    QFETCH(QStringList, opB);

    QCOMPARE(opA, opB);
}

QTEST_MAIN(tst_Cmptest)
#include "tst_cmptest.moc"