Added test case and setting Test configuration

qt6-after/qt6-migrated-legatus/tests/test_ltswidgets_qt6.cpp

@@ -17,18 +17,16 @@
 #include <QtGui/QWheelEvent>
 #include <gtest/gtest.h>
 
-// Ensure QApplication is initialized for widget tests
-static bool appInitialized = false;
-
+// La QApplication est desormais creee par le main() de la suite (gtest_qt_main.cpp).
+//
+// Ce fichier en creait une seconde, en statique locale : Qt n'admet qu'une instance,
+// et celle-ci etait detruite par exit() APRES celle du main(), d'ou un SIGSEGV dans
+// ~QGuiApplication a l'extinction du processus. On se contente donc de verifier
+// qu'une instance existe.
 static void ensureAppInitialized()
 {
-    if (!appInitialized)
-    {
-        static int argc = 1;
-        static char* argv[] = {(char*)"test_ltswidgets_qt6", nullptr};
-        static QApplication app(argc, argv);
-        appInitialized = true;
-    }
+    ASSERT_NE(QCoreApplication::instance(), nullptr)
+        << "QApplication absente : elle doit etre creee par gtest_qt_main.cpp";
 }
 
 // Test 1: QRandomGenerator bounded generation (used in lts_tab_widget.cpp)
@@ -90,9 +88,9 @@ TEST(LtsWidgetsQt6, QComboBoxCurrentTextChangedSignal)
     ensureAppInitialized();
 
     QComboBox comboBox;
-    comboBox.addItem("Option1");
-    comboBox.addItem("Option2");
-    comboBox.addItem("Option3");
+    comboBox.addItem(QStringLiteral("Option1"));
+    comboBox.addItem(QStringLiteral("Option2"));
+    comboBox.addItem(QStringLiteral("Option3"));
 
     bool signalReceived = false;
     QString receivedText;
@@ -105,7 +103,7 @@ TEST(LtsWidgetsQt6, QComboBoxCurrentTextChangedSignal)
     comboBox.setCurrentIndex(1);
 
     EXPECT_TRUE(signalReceived);
-    EXPECT_EQ(receivedText, "Option2");
+    EXPECT_EQ(receivedText, QStringLiteral("Option2"));
 }
 
 // Test 5: QComboBox activated signal with int parameter (Qt6)
@@ -115,9 +113,9 @@ TEST(LtsWidgetsQt6, QComboBoxActivatedIntSignal)
     ensureAppInitialized();
 
     QComboBox comboBox;
-    comboBox.addItem("First");
-    comboBox.addItem("Second");
-    comboBox.addItem("Third");
+    comboBox.addItem(QStringLiteral("First"));
+    comboBox.addItem(QStringLiteral("Second"));
+    comboBox.addItem(QStringLiteral("Third"));
 
     bool signalReceived = false;
     int receivedIndex = -1;
@@ -145,7 +143,7 @@ TEST(LtsWidgetsQt6, QStyleOptionInitFrom)
 {
     ensureAppInitialized();
 
-    QPushButton button("Test");
+    QPushButton button(QStringLiteral("Test"));
     button.resize(100, 30);
     button.setEnabled(true);
 
@@ -163,8 +161,8 @@ TEST(LtsWidgetsQt6, QStyleOptionInitFromMultipleWidgets)
 {
     ensureAppInitialized();
 
-    QPushButton button1("Btn1");
-    QPushButton button2("Btn2");
+    QPushButton button1(QStringLiteral("Btn1"));
+    QPushButton button2(QStringLiteral("Btn2"));
     button1.setEnabled(true);
     button2.setEnabled(false);