Lab3 QT test

#include <iostream>
#include <fstream>
#include <string>

#include <QtTest>

#include "markettask.h"

using namespace std;

class LabUnitTests : public QObject
{
    Q_OBJECT

public:
    LabUnitTests()
    {
        testcasefile.open("test_input.txt");
        ethalon.open("test_ethalon.txt");

        if (!testcasefile.is_open() || !ethalon.is_open())
            qDebug() << "Files doesn't open";
    }

    ~LabUnitTests()
    {
        testcasefile.close();
        ethalon.close();
    }

private slots:

    void test_border_data()
    {
        initTestCase("border", 3);
    }

    void test_border()
    {
        QFETCH(int, n);
        QFETCH(int, k);
        QFETCH(long long, result);
        QCOMPARE(stepsToMarket(n, k), result);
    }

    void test_ordinary_data()
    {
        initTestCase("ordinary", 1);
    }

    void test_ordinary()
    {
        QFETCH(int, n);
        QFETCH(int, k);
        QFETCH(long long, result);
        QCOMPARE(stepsToMarket(n, k), result);
    }

    void test_invalid_input_data()
    {
        initTestCase("invalid", 6);
    }

    void test_invalid_input()
    {
        QFETCH(int, n);
        QFETCH(int, k);
        QFETCH(long long, result);
        QCOMPARE(stepsToMarket(n, k), result);
    }

private:
    void initTestCase(string name, int count)
    {
        string prefix = name + "_";
        QTest::addColumn<int>("n");
        QTest::addColumn<int>("k");
        QTest::addColumn<long long>("result");

        int n, k;
        long long res;
        for (int i = 0; i < count; i++) {
            testcasefile >> n >> k >> res;

            string rowName = prefix + to_string(i + 1);
            QTest::newRow(rowName.c_str()) << n << k << res;
        }
    }

    ifstream testcasefile;
    ifstream ethalon;
};

QTEST_APPLESS_MAIN(LabUnitTests)

#include "tst_labunittests.moc"