QmlCompiler: Test that infinities cleanly cast to int

Task-number: QTBUG-108820
Change-Id: I984f6f35ffd32ca9adae31e56010d10c683e5615
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Sami Shalayel <sami.shalayel@qt.io>

tests/auto/qml/qmlcppcodegen/data/CMakeLists.txt

@@ -106,6 +106,7 @@ set(qml_files
     imports/QmlBench/Globals.qml
     importsFromImportPath.qml
     infinities.qml
+    infinitiesToInt.qml
     invisibleBase.qml
     invisibleTypes.qml
     invisibleListElementType.qml

tests/auto/qml/qmlcppcodegen/data/infinitiesToInt.qml

@@ -0,0 +1,8 @@
+pragma Strict
+import QtQml
+
+QtObject {
+    property int a: Infinity
+    property int b: -Infinity
+    property int c: NaN
+}

tests/auto/qml/qmlcppcodegen/tst_qmlcppcodegen.cpp

@@ -157,6 +157,7 @@ private slots:
     void lengthAccessArraySequenceCompat();
     void storeElementSideEffects();
     void numbersInJsPrimitive();
+    void infinitiesToInt();
 };
 
 void tst_QmlCppCodegen::initTestCase()
@@ -3024,6 +3025,25 @@ void tst_QmlCppCodegen::numbersInJsPrimitive()
     QCOMPARE(asStrings, convertToStrings(stored));
 }
 
+void tst_QmlCppCodegen::infinitiesToInt()
+{
+    QQmlEngine engine;
+
+    QQmlComponent c(&engine, QUrl(u"qrc:/qt/qml/TestTypes/infinitiesToInt.qml"_s));
+    QVERIFY2(c.isReady(), qPrintable(c.errorString()));
+    QScopedPointer<QObject> o(c.create());
+    QVERIFY(!o.isNull());
+
+    const char *props[] = {"a", "b", "c"};
+    for (const char *prop : props) {
+        const QVariant i = o->property(prop);
+        QCOMPARE(i.metaType(), QMetaType::fromType<int>());
+        bool ok = false;
+        QCOMPARE(i.toInt(&ok), 0);
+        QVERIFY(ok);
+    }
+}
+
 QTEST_MAIN(tst_QmlCppCodegen)
 
 #include "tst_qmlcppcodegen.moc"