diff --git a/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp b/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp
index ffd44b1ff8a..39470b7d30a 100644
--- a/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp
+++ b/tests/auto/corelib/global/qfloat16/tst_qfloat16.cpp
@@ -41,6 +41,7 @@ private slots:
     void properties();
     void limits();
     void mantissaOverflow();
+    void dataStream();
 };
 
 void tst_qfloat16::fuzzyCompare_data()
@@ -631,5 +632,29 @@ void tst_qfloat16::mantissaOverflow()
     QVERIFY(qIsNaN(f16));
 }
 
+void tst_qfloat16::dataStream()
+{
+    QByteArray ba;
+    QDataStream ds(&ba, QIODevice::ReadWrite);
+    ds << qfloat16(1.5) << qfloat16(-1);
+    QCOMPARE(ba.size(), 4);
+    QCOMPARE(ds.status(), QDataStream::Ok);
+    QCOMPARE(ba, QByteArray("\x3e\0\xbc\0", 4));
+
+    ds.device()->seek(0);
+    ds.resetStatus();
+    ds.setByteOrder(QDataStream::LittleEndian);
+    ds << qfloat16(0) << qfloat16(-1);
+    QCOMPARE(ds.status(), QDataStream::Ok);
+    QCOMPARE(ba, QByteArray("\0\0\0\xbc", 4));
+
+    ds.device()->seek(0);
+    ds.resetStatus();
+    qfloat16 zero = 1;
+    ds >> zero;
+    QCOMPARE(ds.status(), QDataStream::Ok);
+    QCOMPARE(zero, qfloat16(0));
+}
+
 QTEST_APPLESS_MAIN(tst_qfloat16)
 #include "tst_qfloat16.moc"