qt5base-lts/tests/auto/testlib/selftests/warnings/tst_warnings.cpp

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**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#include <QtCore/QCoreApplication>
#include <QtCore/QRegularExpression>
#include <QTest>

class tst_Warnings: public QObject
{
    Q_OBJECT
private slots:
    void testWarnings();
    void testMissingWarnings();
    void testMissingWarningsRegularExpression();
    void testMissingWarningsWithData_data();
    void testMissingWarningsWithData();
};

void tst_Warnings::testWarnings()
{
    qWarning("Warning");

    QTest::ignoreMessage(QtWarningMsg, "Warning");
    qWarning("Warning");

    qWarning("Warning");

    qDebug("Debug");

    QTest::ignoreMessage(QtDebugMsg, "Debug");
    qDebug("Debug");

    qDebug("Debug");

    qInfo("Info");

    QTest::ignoreMessage(QtInfoMsg, "Info");
    qInfo("Info");

    qInfo("Info");

    QTest::ignoreMessage(QtDebugMsg, "Bubu");
    qDebug("Baba");
    qDebug("Bubu");
    qDebug("Baba");

    QTest::ignoreMessage(QtDebugMsg, QRegularExpression("^Bubu.*"));
    QTest::ignoreMessage(QtWarningMsg, QRegularExpression("^Baba.*"));
    qDebug("Bubublabla");
    qWarning("Babablabla");
    qDebug("Bubublabla");
    qWarning("Babablabla");

    // accept redundant space at end to keep compatibility with Qt < 5.2
    QTest::ignoreMessage(QtDebugMsg, "Bubu ");
    qDebug() << "Bubu";

    // Cope with non-ASCII messages; should be understood as UTF-8 (it comes
    // from source code on both sides), even if the system encoding is
    // different:
    QTest::ignoreMessage(QtDebugMsg, "Hej v\xc3\xa4rlden");
    qDebug() << "Hej v\xc3\xa4rlden";
    QTest::ignoreMessage(QtInfoMsg, "Hej v\xc3\xa4rlden");
    qInfo() << "Hej v\xc3\xa4rlden";
}

void tst_Warnings::testMissingWarnings()
{
    QTest::ignoreMessage(QtWarningMsg, "Warning0");
    QTest::ignoreMessage(QtWarningMsg, "Warning1");
    QTest::ignoreMessage(QtWarningMsg, "Warning2");

    qWarning("Warning2");
}

void tst_Warnings::testMissingWarningsRegularExpression()
{
    QTest::ignoreMessage(QtWarningMsg, QRegularExpression("Warning\\d\\d"));
    QTest::ignoreMessage(QtWarningMsg, QRegularExpression("Warning\\s\\d"));

    qWarning("Warning11");
}

void tst_Warnings::testMissingWarningsWithData_data()
{
    QTest::addColumn<int>("dummy");

    QTest::newRow("first row") << 0;
    QTest::newRow("second row") << 1;
}

void tst_Warnings::testMissingWarningsWithData()
{
    QTest::ignoreMessage(QtWarningMsg, "Warning0");
    QTest::ignoreMessage(QtWarningMsg, "Warning1");
    QTest::ignoreMessage(QtWarningMsg, "Warning2");

    qWarning("Warning2");
}

QTEST_MAIN(tst_Warnings)

#include "tst_warnings.moc"