1 files changed, 19 insertions, 1 deletions
diff --git a/tests/auto/gui/image/qiconhighdpi/tst_qiconhighdpi.cpp b/tests/auto/gui/image/qiconhighdpi/tst_qiconhighdpi.cpp
index 829c463c6b..34f0132865 100644
--- a/tests/auto/gui/image/qiconhighdpi/tst_qiconhighdpi.cpp
+++ b/tests/auto/gui/image/qiconhighdpi/tst_qiconhighdpi.cpp
@@ -1,5 +1,5 @@
 // Copyright (C) 2017 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
 #include <QTest>
 #include <qicon.h>
@@ -17,6 +17,7 @@ private slots:
     void addPixmap_data();
     void addPixmap();
     void ninePatch();
+    void preferUpscale();
 };
 
 tst_QIconHighDpi::tst_QIconHighDpi()
@@ -211,6 +212,23 @@ void tst_QIconHighDpi::ninePatch()
     }
 }
 
+void tst_QIconHighDpi::preferUpscale()
+{
+    QIcon icon;
+
+    // manual pixmap adder for full control of devicePixelRatio
+    auto addPixmapWithDpr = [&icon](const QString &path, qreal dpr) {
+        QImage image(path);
+        image.setDevicePixelRatio(dpr);
+        icon.addPixmap(QPixmap::fromImage(image));
+    };
+
+    addPixmapWithDpr(":/icons/testtheme/22x22/actions/appointment-new.png", 1);
+    addPixmapWithDpr(":/icons/testtheme/22x22@2/actions/appointment-new.png", 2);
+
+    QCOMPARE(icon.pixmap(QSize(22, 22), 1.25f).devicePixelRatio(), 1.25f);
+}
+
 int main(int argc, char *argv[])
 {
     QGuiApplication app(argc, argv);