QDebug: add operator<<(const char16_t *)

Avoids the conversion from UTF-8 for uses that are not dumping a string.

Mass conversion of Qt sources left for future opportunity.

Fixes: QTBUG-85811
Change-Id: I4ca4a35b687b46c39030fffd1626ae6c3294cacf
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 41 insertions, 0 deletions

diff --git a/tests/auto/corelib/io/qdebug/tst_qdebug.cpp b/tests/auto/corelib/io/qdebug/tst_qdebug.cpp
index 39897f3a58..ece9be642a 100644
--- a/tests/auto/corelib/io/qdebug/tst_qdebug.cpp
+++ b/tests/auto/corelib/io/qdebug/tst_qdebug.cpp
@@ -49,6 +49,7 @@ private slots:
     void assignment() const;
     void warningWithoutDebug() const;
     void criticalWithoutDebug() const;
+    void basics() const;
     void debugWithBool() const;
     void debugSpaceHandling() const;
     void debugNoQuotes() const;
@@ -156,6 +157,46 @@ void tst_QDebug::criticalWithoutDebug() const
     QCOMPARE(QString::fromLatin1(s_function), function);
 }
 
+void tst_QDebug::basics() const
+{
+    // test simple types, without quoting or other modifications
+    // (bool tested in the next function)
+    MessageHandlerSetter mhs(myMessageHandler);
+
+    qDebug() << 'X';
+    QCOMPARE(s_msg, "X");
+
+    qDebug() << 123;
+    QCOMPARE(s_msg, "123");
+
+    qDebug() << 456U;
+    QCOMPARE(s_msg, "456");
+
+    qDebug() << -123L;
+    QCOMPARE(s_msg, "-123");
+
+    qDebug() << 456UL;
+    QCOMPARE(s_msg, "456");
+
+    qDebug() << Q_INT64_C(-123);
+    QCOMPARE(s_msg, "-123");
+
+    qDebug() << Q_UINT64_C(456);
+    QCOMPARE(s_msg, "456");
+
+    qDebug() << "Hello";
+    QCOMPARE(s_msg, "Hello");
+
+    qDebug() << u"World";
+    QCOMPARE(s_msg, "World");
+
+    qDebug() << (void *)0xfff;
+    QCOMPARE(s_msg, "0xfff");
+
+    qDebug() << nullptr;
+    QCOMPARE(s_msg, "(nullptr)");
+}
+
 void tst_QDebug::debugWithBool() const
 {
     QString file, function;