tst_logvalueaxis.cpp

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// Copyright (C) 2026 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include "qtestcase.h"

#include <QtGraphs/QLogValueAxis>

#include <QtTest/QtTest>

class tst_logvalueaxis : public QObject

    Q_OBJECT

private slots:

    void initTestCase();

    void cleanupTestCase();

    void init();

    void cleanup();

    void construct();

    void initialProperties();

    void initializeProperties();

    void invalidProperties();

private:

    QLogValueAxis *m_axis;

};

void tst_logvalueaxis::initTestCase() {}

void tst_logvalueaxis::cleanupTestCase() {}

void tst_logvalueaxis::init()

    m_axis = new QLogValueAxis();

void tst_logvalueaxis::cleanup()

    delete m_axis;

void tst_logvalueaxis::construct()

    QLogValueAxis *axis = new QLogValueAxis();

    QVERIFY(axis);

    delete axis;

void tst_logvalueaxis::initialProperties()

    QVERIFY(m_axis);

    QCOMPARE(m_axis->min(), 1);

    QCOMPARE(m_axis->max(), 10);

    QCOMPARE(m_axis->base(), 10.0);

    QCOMPARE(m_axis->labelFormat(), "");

    QCOMPARE(m_axis->labelPostFormat(), "%1");

    QCOMPARE(m_axis->labelPrecision(), 6);

    QCOMPARE(m_axis->subTickCount(), -1);

    QCOMPARE(m_axis->zoom(), 1.0);

    QCOMPARE(m_axis->pan(), 0.0);

void tst_logvalueaxis::initializeProperties()

    QVERIFY(m_axis);

    QSignalSpy spy0(m_axis, &QLogValueAxis::minChanged);

    QSignalSpy spy1(m_axis, &QLogValueAxis::maxChanged);

    QSignalSpy spy2(m_axis, &QLogValueAxis::labelFormatChanged);

    QSignalSpy spy3(m_axis, &QLogValueAxis::baseChanged);

    QSignalSpy spy4(m_axis, &QLogValueAxis::subTickCountChanged);

    QSignalSpy spy5(m_axis, &QLogValueAxis::labelPostFormatChanged);

    m_axis->setMin(1);

    m_axis->setMax(100);

    m_axis->setLabelFormat("g");

    m_axis->setLabelPostFormat("%1 units");

    m_axis->setBase(2.0);

    m_axis->setSubTickCount(3);

    m_axis->setZoom(2.0);

    m_axis->setPan(1.0);

    QCOMPARE(m_axis->min(), 1);

    QCOMPARE(m_axis->max(), 100);

    QCOMPARE(m_axis->labelFormat(), "g");

    QCOMPARE(m_axis->labelPostFormat(), "%1 units");

    QCOMPARE(m_axis->base(), 2.0);

    QCOMPARE(m_axis->subTickCount(), 3);

    QCOMPARE(m_axis->zoom(), 2.0);

    QCOMPARE(m_axis->pan(), 1.0);

    m_axis->setLabelFormat("%.2f cakes");

    QCOMPARE(m_axis->labelFormat(), "%.2f cakes");

    //Constuct a string same way we do in axisRenderer.

    QByteArray format = m_axis->labelFormat().toLatin1();

    QString formatTest = m_axis->labelPostFormat().arg(QString::asprintf(format.constData(), m_axis->min()));

    QCOMPARE(formatTest, "1.00 cakes units");

    QCOMPARE(spy0.size(), 0);

    QCOMPARE(spy1.size(), 1);

    QCOMPARE(spy2.size(), 2);

    QCOMPARE(spy3.size(), 1);

    QCOMPARE(spy4.size(), 1);

    QCOMPARE(spy5.size(), 1);

void tst_logvalueaxis::invalidProperties()

    QVERIFY(m_axis);

    m_axis->setBase(-1.0);

    QCOMPARE(m_axis->base(), 10.0);

    m_axis->setBase(1.0);

    QCOMPARE(m_axis->base(), 10.0);

QTEST_MAIN(tst_logvalueaxis)

#include "tst_logvalueaxis.moc"