Fix unit tests.

src/app/puzzle/vpapplication.cpp

@@ -497,7 +497,12 @@ void VPApplication::ProcessArguments(const VPCommandLinePtr &cmd)
 {
     const QStringList rawLayouts = cmd->OptionRawLayouts();
     const QStringList args = cmd->OptionFileNames();
-    args.count() > 0 ? StartWithFiles(cmd, rawLayouts) : SingleStart(cmd, rawLayouts);
+    bool success = args.count() > 0 ? StartWithFiles(cmd, rawLayouts) : SingleStart(cmd, rawLayouts);
+
+    if (not success)
+    {
+        return;
+    }
 
     if (not cmd->IsGuiEnabled())
     {
@@ -642,11 +647,16 @@ void VPApplication::StartLocalServer(const QString &serverName)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPApplication::StartWithFiles(const VPCommandLinePtr &cmd, const QStringList &rawLayouts)
+auto VPApplication::StartWithFiles(const VPCommandLinePtr &cmd, const QStringList &rawLayouts) -> bool
 {
     const QStringList args = cmd->OptionFileNames();
-    if (args.count() > 0)
+
+    if (args.count() <= 0)
     {
+        QCoreApplication::exit(V_EX_DATAERR);
+        return false;
+    }
+
     if (not cmd->IsGuiEnabled() && args.count() > 1)
     {
         qCCritical(pApp, "%s\n", qPrintable(tr("Export mode doesn't support opening several files.")));
@@ -667,7 +677,7 @@ void VPApplication::StartWithFiles(const VPCommandLinePtr &cmd, const QStringLis
         {
             if (not cmd->IsGuiEnabled())
             {
-                    return; // process only one input file
+                return false; // process only one input file
             }
             delete MainWindow();
             continue;
@@ -678,16 +688,18 @@ void VPApplication::StartWithFiles(const VPCommandLinePtr &cmd, const QStringLis
             MainWindow()->ImportRawLayouts(rawLayouts);
         }
     }
-    }
+
+    return true;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPApplication::SingleStart(const VPCommandLinePtr &cmd, const QStringList &rawLayouts)
+auto VPApplication::SingleStart(const VPCommandLinePtr &cmd, const QStringList &rawLayouts) -> bool
 {
     if (cmd->IsTestModeEnabled())
     {
         qCCritical(pApp, "%s\n", qPrintable(tr("Please, provide one input file.")));
         cmd.get()->parser.showHelp(V_EX_USAGE);
+        return false;
     }
 
     NewMainWindow(cmd);
@@ -695,6 +707,8 @@ void VPApplication::SingleStart(const VPCommandLinePtr &cmd, const QStringList &
     {
         MainWindow()->ImportRawLayouts(rawLayouts);
     }
+
+    return true;
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/puzzle/vpapplication.h

@@ -96,8 +96,8 @@ private:
 
     void StartLocalServer(const QString &serverName);
 
-    void StartWithFiles(const VPCommandLinePtr &cmd, const QStringList &rawLayouts);
+    auto StartWithFiles(const VPCommandLinePtr &cmd, const QStringList &rawLayouts) -> bool;
-    void SingleStart(const VPCommandLinePtr &cmd, const QStringList &rawLayouts);
+    auto SingleStart(const VPCommandLinePtr &cmd, const QStringList &rawLayouts) -> bool;
 };
 
 #endif // VPAPPLICATION_H

src/app/tape/mapplication.cpp

@@ -666,7 +666,12 @@ void MApplication::ParseCommandLine(const SocketConnection &connection, const QS
     }
 
     const QStringList args = parser.positionalArguments();
-    args.count() > 0 ? StartWithFiles(parser) : SingleStart(parser);
+    bool success = args.count() > 0 ? StartWithFiles(parser) : SingleStart(parser);
+
+    if (not success)
+    {
+        return;
+    }
 
     if (m_testMode)
     {
@@ -792,12 +797,13 @@ void MApplication::StartLocalServer(const QString &serverName)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void MApplication::StartWithFiles(QCommandLineParser &parser)
+auto MApplication::StartWithFiles(QCommandLineParser &parser) -> bool
 {
     const QStringList args = parser.positionalArguments();
     if (args.count() <= 0)
     {
-        return;
+        QCoreApplication::exit(V_EX_DATAERR);
+        return false;
     }
 
     if (m_testMode && args.count() > 1)
@@ -828,7 +834,7 @@ void MApplication::StartWithFiles(QCommandLineParser &parser)
         {
             if (m_testMode)
             {
-                return; // process only one input file
+                return false; // process only one input file
             }
             delete MainWindow();
             continue;
@@ -854,10 +860,12 @@ void MApplication::StartWithFiles(QCommandLineParser &parser)
             MainWindow()->SetPUnit(unit);
         }
     }
+
+    return true;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void MApplication::SingleStart(QCommandLineParser &parser)
+auto MApplication::SingleStart(QCommandLineParser &parser) -> bool
 {
     if (not m_testMode)
     {
@@ -867,7 +875,10 @@ void MApplication::SingleStart(QCommandLineParser &parser)
     {
         qCCritical(mApp, "%s\n", qPrintable(tr("Please, provide one input file.")));
         parser.showHelp(V_EX_USAGE);
+        return false;
     }
+
+    return true;
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/tape/mapplication.h

@@ -101,8 +101,8 @@ private:
     static void InitParserOptions(QCommandLineParser &parser);
     void StartLocalServer(const QString &serverName);
 
-    void StartWithFiles(QCommandLineParser &parser);
+    auto StartWithFiles(QCommandLineParser &parser) -> bool;
-    void SingleStart(QCommandLineParser &parser);
+    auto SingleStart(QCommandLineParser &parser) -> bool;
 
     static void ParseDimensionAOption(QCommandLineParser &parser, int &dimensionAValue, bool &flagDimensionA);
     static void ParseDimensionBOption(QCommandLineParser &parser, int &dimensionBValue, bool &flagDimensionB);