Method testTwoWayDiffLineChanged

src/autotests/DiffTest.cpp:122–183

    }

    void testTwoWayDiffLineChanged()
    {
        SourceDataMoc simData, simData2;
        QTemporaryFile testFile2, testFile3;
        FileAccess file2;

        std::shared_ptr<const LineDataVector> lineData;
        ManualDiffHelpList manualDiffList;
        DiffList diffList, expectedDiffList;
        Diff3LineList diff3List, expectedDiff3;

        testFile2.open();
        testFile2.write(u8"1\n2\n3\n");
        testFile2.close();
        // Verify that we actcually wrote the test file.
        file2 = FileAccess(testFile2.fileName());
        QVERIFY(file2.exists());
        QVERIFY(file2.isFile());
        QVERIFY(file2.isReadable());
        QVERIFY(file2.size() > 0);

        testFile3.open();
        testFile3.write(u8"1\n4\n3\n");
        testFile3.close();

        simData2.setFilename(testFile2.fileName());
        simData.setFilename(testFile3.fileName());

        simData.readAndPreprocess("UTF-8", true);
        QVERIFY(simData.getErrors().isEmpty());
        QVERIFY(simData.hasData());

        lineData = simData.getLineDataForDisplay();
        QVERIFY(simData.hasData());
        // Verify basic line data structure.
        QCOMPARE(lineData->size() - 1, 4);

        simData2.readAndPreprocess("UTF-8", true);
        QVERIFY(simData2.getErrors().isEmpty());
        QVERIFY(simData2.hasData());

        manualDiffList.runDiff(simData.getLineDataForDiff(), simData.getSizeLines(), simData2.getLineDataForDiff(), simData2.getSizeLines(), diffList, e_SrcSelector::A, e_SrcSelector::B);
        /*
            Verify DiffList generated by runDiff.
        */
        expectedDiffList = {{1, 1, 1}, {2, 0, 0}};
        QVERIFY(expectedDiffList == diffList);

        /*
            Verify Diff3List generated by calcDiff3LineListUsingAB.
        */
        diff3List.calcDiff3LineListUsingAB(&diffList);
        QCOMPARE(diff3List.size(), 4);
        // This hard codes the known good result of the above for comparison.
        // In general this should not be changed unless you know what your doing.
        expectedDiff3 = {Diff3LineMoc(0, 0, LineRef::invalid, false, false, true, false, false, false),
                         Diff3LineMoc(1, 1, LineRef::invalid, false, false, false, false, false, false),
                         Diff3LineMoc(2, 2, LineRef::invalid, false, false, true, false, false, false),