Test locale propagation from date-time editor to its calendar popup

Done-with: Edward Welbourne <edward.welbourne@qt.io>
Task-number: QTBUG-59106
Change-Id: I5b79b76087f0e980de5ea4ec687e8b8e2184506f
Reviewed-by: David Faure <david.faure@kdab.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/auto/widgets/widgets/qdatetimeedit/tst_qdatetimeedit.cpp b/tests/auto/widgets/widgets/qdatetimeedit/tst_qdatetimeedit.cpp
index 94e4fc005c..a3571cd9c5 100644
--- a/tests/auto/widgets/widgets/qdatetimeedit/tst_qdatetimeedit.cpp
+++ b/tests/auto/widgets/widgets/qdatetimeedit/tst_qdatetimeedit.cpp
@@ -239,6 +239,8 @@ private slots:
 
     void deleteCalendarWidget();
 
+    void setLocaleOnCalendarWidget();
+
 #ifdef QT_BUILD_INTERNAL
     void dateEditCorrectSectionSize_data();
     void dateEditCorrectSectionSize();
@@ -3409,6 +3411,25 @@ void tst_QDateTimeEdit::deleteCalendarWidget()
     }
 }
 
+void tst_QDateTimeEdit::setLocaleOnCalendarWidget()
+{
+    QDateEdit dateEdit;
+    QList<QLocale> allLocales = QLocale::matchingLocales(
+                QLocale::AnyLanguage,
+                QLocale::AnyScript,
+                QLocale::AnyCountry);
+    QLocale c = QLocale::c();
+    dateEdit.setCalendarPopup(true);
+    dateEdit.setLocale(c);
+    for (const QLocale& l : allLocales) {
+        dateEdit.setLocale(l);
+        const QLocale locCal = dateEdit.calendarWidget()->locale();
+        const QLocale locEdit = dateEdit.locale();
+        QCOMPARE(locCal.name(), locEdit.name());
+        QVERIFY(locCal == locEdit);
+    }
+}
+
 #ifdef QT_BUILD_INTERNAL
 
 typedef QPair<Qt::Key, Qt::KeyboardModifier> KeyPair;