1 files changed, 6 insertions, 0 deletions
diff --git a/tests/auto/corelib/text/qstring/tst_qstring.cpp b/tests/auto/corelib/text/qstring/tst_qstring.cpp
index 5c46ae6ae1..61f775f4d8 100644
--- a/tests/auto/corelib/text/qstring/tst_qstring.cpp
+++ b/tests/auto/corelib/text/qstring/tst_qstring.cpp
@@ -4216,9 +4216,15 @@ void tst_QString::nullFromUtf8()
     a = QString::fromUtf8(0);
     QVERIFY(a.isNull());
     QVERIFY(a.isEmpty());
+    a = QString::fromUtf8(nullptr);
+    QVERIFY(a.isNull());
+    QVERIFY(a.isEmpty());
     a = QString::fromUtf8("");
     QVERIFY(!a.isNull());
     QVERIFY(a.isEmpty());
+    a = QString::fromUtf8(u8""); // char in C++17 / char8_t in C++20
+    QVERIFY(!a.isNull());
+    QVERIFY(a.isEmpty());
     a = QString::fromUtf8(QByteArray());
     QVERIFY(a.isNull());
     QVERIFY(a.isEmpty());