1 files changed, 79 insertions, 0 deletions
diff --git a/tests/auto/gui/text/qtextimagehandler/tst_qtextimagehandler.cpp b/tests/auto/gui/text/qtextimagehandler/tst_qtextimagehandler.cpp
new file mode 100644
index 0000000000..5311aa6f2b
--- /dev/null
+++ b/tests/auto/gui/text/qtextimagehandler/tst_qtextimagehandler.cpp
@@ -0,0 +1,79 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <QTest>
+
+#include <QPainter>
+#include <private/qtextimagehandler_p.h>
+
+class tst_QTextImageHandler : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QTextImageHandler();
+
+private slots:
+    void init();
+    void cleanup();
+    void cleanupTestCase();
+    void loadAtNImages_data();
+    void loadAtNImages();
+};
+
+tst_QTextImageHandler::tst_QTextImageHandler()
+{
+}
+
+void tst_QTextImageHandler::init()
+{
+}
+
+void tst_QTextImageHandler::cleanup()
+{
+}
+
+void tst_QTextImageHandler::cleanupTestCase()
+{
+}
+
+void tst_QTextImageHandler::loadAtNImages_data()
+{
+    QTest::addColumn<QString>("imageFile");
+
+    QTest::addRow("file") << QFINDTESTDATA("data/image.png");
+    QTest::addRow("file_url") << QUrl::fromLocalFile(QFINDTESTDATA("data/image.png")).toString();
+    QTest::addRow("resource") << ":/data/image.png";
+    QTest::addRow("qrc_url") << "qrc:/data/image.png";
+}
+
+void tst_QTextImageHandler::loadAtNImages()
+{
+    QFETCH(QString, imageFile);
+
+    QTextDocument doc;
+    QTextCursor c(&doc);
+    c.insertHtml("<img src=\"" + imageFile + "\">");
+    const auto formats = doc.allFormats();
+    const auto it = std::find_if(formats.begin(), formats.end(), [](const auto &format){
+        return format.objectType() == QTextFormat::ImageObject;
+    });
+    QVERIFY(it != formats.end());
+    const QTextImageFormat format = (*it).toImageFormat();
+    QTextImageHandler handler;
+
+    for (const auto &dpr : {1, 2}) {
+        QImage img(20, 20, QImage::Format_ARGB32_Premultiplied);
+        img.fill(Qt::white);
+        img.setDevicePixelRatio(dpr);
+        QPainter p(&img);
+        handler.drawObject(&p, QRect(0, 0, 20, 20), &doc, 0, format);
+        p.end();
+        QVERIFY(!img.isNull());
+        const auto expectedColor = dpr == 1 ? Qt::red : Qt::green;
+        QCOMPARE(img.pixelColor(0, 0), expectedColor);
+    }
+}
+
+QTEST_MAIN(tst_QTextImageHandler)
+#include "tst_qtextimagehandler.moc"