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

Q_DECLARE_METATYPE(QTest::TestFailMode)

class tst_ExpectFail: public QObject
{
    Q_OBJECT

private slots:
    void expectAndContinue() const;
    void expectAndAbort() const;
    void expectTwice() const;
    void xfailWithQString() const;
    void xpass() const;
    void dataDrivenTest_data() const;
    void dataDrivenTest() const;
    void expectOnWrongRow_data() const;
    void expectOnWrongRow() const;
    void expectOnAnyRow_data() const;
    void expectOnAnyRow() const;
};

void tst_ExpectFail::expectAndContinue() const
{
    qDebug("begin");
    QEXPECT_FAIL("", "This should xfail", Continue);
    QVERIFY(false);
    qDebug("after");
}

void tst_ExpectFail::expectAndAbort() const
{
    qDebug("begin");
    QEXPECT_FAIL("", "This should xfail", Abort);
    QVERIFY(false);

    // If we get here the test did not correctly abort on the previous QVERIFY.
    QVERIFY2(false, "This should not be reached");
}

void tst_ExpectFail::expectTwice() const
{
    QEXPECT_FAIL("", "Calling QEXPECT_FAIL once is fine", Abort);
    QEXPECT_FAIL("", "Calling QEXPECT_FAIL when already expecting a failure is "
                     "an error and should abort this test function", Abort);

    // If we get here the test did not correctly abort on the double call to QEXPECT_FAIL.
    QVERIFY2(false, "This should not be reached");
}

void tst_ExpectFail::xfailWithQString() const
{
    QEXPECT_FAIL("", QString("A string").toLatin1().constData(), Continue);
    QVERIFY(false);

    int bugNo = 5;
    QString msg("The message");
    QEXPECT_FAIL( "", QString("Bug %1 (%2)").arg(bugNo).arg(msg).toLatin1().constData(), Continue);
    QVERIFY(false);
}

void tst_ExpectFail::xpass() const
{
    QEXPECT_FAIL("", "This test should xpass", Abort);
    QVERIFY(true);

    // If we get here the test did not correctly abort on the previous
    // unexpected pass.
    QVERIFY2(false, "This should not be reached");
}

void tst_ExpectFail::dataDrivenTest_data() const
{
    QTest::addColumn<bool>("shouldPass");
    QTest::addColumn<QTest::TestFailMode>("failMode");

    QTest::newRow("Pass 1")   << true  << QTest::Abort;
    QTest::newRow("Pass 2")   << true  << QTest::Continue;
    QTest::newRow("Abort")    << false << QTest::Abort;
    QTest::newRow("Continue") << false << QTest::Continue;
}

void tst_ExpectFail::dataDrivenTest() const
{
    QFETCH(bool, shouldPass);
    QFETCH(QTest::TestFailMode, failMode);

    // You can't pass a variable as the last parameter of QEXPECT_FAIL,
    // because the macro adds "QTest::" in front of the last parameter.
    // That is why the following code appears to be a little strange.
    if (!shouldPass) {
        if (failMode == QTest::Abort)
            QEXPECT_FAIL(QTest::currentDataTag(), "This test should xfail", Abort);
        else
            QEXPECT_FAIL(QTest::currentDataTag(), "This test should xfail", Continue);
    }

    QVERIFY(shouldPass);

    // If we get here, we either expected to pass or we expected to
    // fail and the failure mode was Continue.
    if (!shouldPass)
        QCOMPARE(failMode, QTest::Continue);
}

void tst_ExpectFail::expectOnWrongRow_data() const
{
    QTest::addColumn<int>("dummy");

    QTest::newRow("right row") << 0;
}

void tst_ExpectFail::expectOnWrongRow() const
{
    // QEXPECT_FAIL for a row that is not the current row should be ignored.
    QEXPECT_FAIL("wrong row", "This xfail should be ignored", Abort);
    QVERIFY(true);
}

void tst_ExpectFail::expectOnAnyRow_data() const
{
    QTest::addColumn<int>("dummy");

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

void tst_ExpectFail::expectOnAnyRow() const
{
    // In a data-driven test, passing an empty first parameter to QEXPECT_FAIL
    // should mean that the failure is expected for all data rows.
    QEXPECT_FAIL("", "This test should xfail", Abort);
    QVERIFY(false);
}

QTEST_MAIN(tst_ExpectFail)
#include "tst_expectfail.moc"