Deprecate locale-related DateFormat enum members

Qt 6 shall remove all locale-dependence from Q(Date|Time)+.

Task-number: QTBUG-80441
Change-Id: Iebaaa2bd776bccfe0d73c15f36cbdd456b71ca59
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

3 files changed, 22 insertions, 5 deletions

diff --git a/tests/auto/corelib/time/qdate/tst_qdate.cpp b/tests/auto/corelib/time/qdate/tst_qdate.cpp
index 567209dcf6..274bf4f6f0 100644
--- a/tests/auto/corelib/time/qdate/tst_qdate.cpp
+++ b/tests/auto/corelib/time/qdate/tst_qdate.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2019 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Copyright (C) 2016 Intel Corporation.
 ** Contact: https://www.qt.io/licensing/
 **
@@ -1352,6 +1352,7 @@ void tst_QDate::toStringDateFormat()
     QFETCH(Qt::DateFormat, format);
     QFETCH(QString, expectedStr);
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QCOMPARE(date.toString(Qt::SystemLocaleShortDate), QLocale::system().toString(date, QLocale::ShortFormat));
     QCOMPARE(date.toString(Qt::DefaultLocaleShortDate), QLocale().toString(date, QLocale::ShortFormat));
     QCOMPARE(date.toString(Qt::SystemLocaleLongDate), QLocale::system().toString(date, QLocale::LongFormat));
@@ -1361,6 +1362,7 @@ void tst_QDate::toStringDateFormat()
     QCOMPARE(date.toString(Qt::DefaultLocaleShortDate), QLocale().toString(date, QLocale::ShortFormat));
     QCOMPARE(date.toString(Qt::SystemLocaleLongDate), QLocale::system().toString(date, QLocale::LongFormat));
     QCOMPARE(date.toString(Qt::DefaultLocaleLongDate), QLocale().toString(date, QLocale::LongFormat));
+#endif // ### Qt 6: remove
 
     QCOMPARE(date.toString(format), expectedStr);
 }
diff --git a/tests/auto/corelib/time/qdatetime/tst_qdatetime.cpp b/tests/auto/corelib/time/qdatetime/tst_qdatetime.cpp
index ec5f65ee56..26ad91271d 100644
--- a/tests/auto/corelib/time/qdatetime/tst_qdatetime.cpp
+++ b/tests/auto/corelib/time/qdatetime/tst_qdatetime.cpp
@@ -127,8 +127,10 @@ private slots:
 #ifdef Q_OS_WIN
     void fromString_LOCALE_ILDATE();
 #endif
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     void fromStringToStringLocale_data();
     void fromStringToStringLocale();
+#endif // ### Qt 6: remove
 
     void offsetFromUtc();
     void setOffsetFromUtc();
@@ -295,9 +297,9 @@ void tst_QDateTime::initTestCase()
 
 void tst_QDateTime::init()
 {
-#if defined(Q_OS_WIN32)
+#if defined(Q_OS_WIN32) && QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     SetThreadLocale(MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT));
-#endif
+#endif // ### Qt 6: remove
 }
 
 QString tst_QDateTime::str( int y, int month, int d, int h, int min, int s )
@@ -834,8 +836,10 @@ void tst_QDateTime::toString_isoDate()
     QFETCH(Qt::DateFormat, format);
     QFETCH(QString, expected);
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QLocale oldLocale;
     QLocale::setDefault(QLocale("en_US"));
+#endif // ### Qt 6: remove
 
     QString result = datetime.toString(format);
     QCOMPARE(result, expected);
@@ -854,7 +858,9 @@ void tst_QDateTime::toString_isoDate()
         QCOMPARE(resultDatetime, QDateTime());
     }
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     QLocale::setDefault(oldLocale);
+#endif // ### Qt 6: remove
 }
 
 void tst_QDateTime::toString_isoDate_extra()
@@ -1763,7 +1769,7 @@ void tst_QDateTime::daylightSavingsTimeChange()
     // because some functions did not reset the flag when moving in or out of DST.
 
     // WARNING: This only tests anything if there's a Daylight Savings Time change
-    // in the current locale between inDST and outDST.
+    // in the current time-zone between inDST and outDST.
     // This is true for Central European Time and may be elsewhere.
 
     QFETCH(QDate, inDST);
@@ -2612,6 +2618,9 @@ void tst_QDateTime::fromString_LOCALE_ILDATE()
 }
 #endif
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+QT_WARNING_PUSH QT_WARNING_DISABLE_DEPRECATED
+
 void tst_QDateTime::fromStringToStringLocale_data()
 {
     QTest::addColumn<QLocale>("locale");
@@ -2643,6 +2652,8 @@ void tst_QDateTime::fromStringToStringLocale()
 #undef ROUNDTRIP
     QLocale::setDefault(def);
 }
+QT_WARNING_POP
+#endif // ### Qt 6: remove
 
 void tst_QDateTime::offsetFromUtc()
 {
diff --git a/tests/auto/corelib/time/qtime/tst_qtime.cpp b/tests/auto/corelib/time/qtime/tst_qtime.cpp
index f85e0ea74e..027232f6d5 100644
--- a/tests/auto/corelib/time/qtime/tst_qtime.cpp
+++ b/tests/auto/corelib/time/qtime/tst_qtime.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the test suite of the Qt Toolkit.
@@ -77,7 +77,9 @@ private slots:
     void toStringDateFormat();
     void toStringFormat_data();
     void toStringFormat();
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     void toStringLocale();
+#endif // ### Qt 6: remove
     void msecsSinceStartOfDay_data();
     void msecsSinceStartOfDay();
 
@@ -770,6 +772,7 @@ void tst_QTime::toStringFormat()
     QCOMPARE( t.toString( format ), str );
 }
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
 void tst_QTime::toStringLocale()
 {
     QTime time(18, 30);
@@ -791,6 +794,7 @@ void tst_QTime::toStringLocale()
     QCOMPARE(time.toString(Qt::DefaultLocaleLongDate),
                 QLocale().toString(time, QLocale::LongFormat));
 }
+#endif // ### Qt 6: remove
 
 void tst_QTime::msecsSinceStartOfDay_data()
 {