3 files changed, 165 insertions, 0 deletions
diff --git a/tests/auto/pdf/qpdfpagerenderer/CMakeLists.txt b/tests/auto/pdf/qpdfpagerenderer/CMakeLists.txt
new file mode 100644
index 000000000..53a68fe59
--- /dev/null
+++ b/tests/auto/pdf/qpdfpagerenderer/CMakeLists.txt
@@ -0,0 +1,14 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+qt_internal_add_test(tst_qpdfpagerenderer
+    SOURCES
+        tst_qpdfpagerenderer.cpp
+    LIBRARIES
+        Qt::Gui
+        Qt::Network
+        Qt::Pdf
+    TESTDATA
+        pdf-sample.pagerenderer.pdf
+)
+
diff --git a/tests/auto/pdf/qpdfpagerenderer/pdf-sample.pagerenderer.pdf b/tests/auto/pdf/qpdfpagerenderer/pdf-sample.pagerenderer.pdf
new file mode 100644
index 000000000..c4e1aa36e
--- /dev/null
+++ b/tests/auto/pdf/qpdfpagerenderer/pdf-sample.pagerenderer.pdf
diff --git a/tests/auto/pdf/qpdfpagerenderer/tst_qpdfpagerenderer.cpp b/tests/auto/pdf/qpdfpagerenderer/tst_qpdfpagerenderer.cpp
new file mode 100644
index 000000000..39d32df0b
--- /dev/null
+++ b/tests/auto/pdf/qpdfpagerenderer/tst_qpdfpagerenderer.cpp
@@ -0,0 +1,151 @@
+// Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Tobias König <tobias.koenig@kdab.com>
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include <QPdfDocument>
+#include <QPdfPageRenderer>
+
+#include <QtTest/QtTest>
+
+class tst_QPdfPageRenderer: public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void defaultValues();
+    void withNoDocument();
+    void withEmptyDocument();
+    void withLoadedDocumentSingleThreaded();
+    void withLoadedDocumentMultiThreaded();
+    void switchingRenderMode();
+};
+
+void tst_QPdfPageRenderer::defaultValues()
+{
+    QPdfPageRenderer pageRenderer;
+
+    QCOMPARE(pageRenderer.document(), nullptr);
+    QCOMPARE(pageRenderer.renderMode(), QPdfPageRenderer::RenderMode::SingleThreaded);
+}
+
+void tst_QPdfPageRenderer::withNoDocument()
+{
+    QPdfPageRenderer pageRenderer;
+
+    const QSize imageSize(100, 100);
+    const quint64 requestId = pageRenderer.requestPage(0, imageSize);
+
+    QCOMPARE(requestId, quint64(0));
+}
+
+void tst_QPdfPageRenderer::withEmptyDocument()
+{
+    QPdfDocument document;
+    QPdfPageRenderer pageRenderer;
+
+    pageRenderer.setDocument(&document);
+
+    const QSize imageSize(100, 100);
+    const quint64 requestId = pageRenderer.requestPage(0, imageSize);
+
+    QCOMPARE(requestId, quint64(0));
+}
+
+void tst_QPdfPageRenderer::withLoadedDocumentSingleThreaded()
+{
+    QPdfDocument document;
+    QPdfPageRenderer pageRenderer;
+    pageRenderer.setDocument(&document);
+
+    QCOMPARE(document.load(QFINDTESTDATA("pdf-sample.pagerenderer.pdf")), QPdfDocument::Error::None);
+
+    QSignalSpy pageRenderedSpy(&pageRenderer, &QPdfPageRenderer::pageRendered);
+
+    const QSize imageSize(100, 100);
+    const quint64 requestId = pageRenderer.requestPage(0, imageSize);
+
+    QCOMPARE(requestId, quint64(1));
+    QTRY_COMPARE(pageRenderedSpy.size(), 1);
+    QCOMPARE(pageRenderedSpy[0][0].toInt(), 0);
+    QCOMPARE(pageRenderedSpy[0][1].toSize(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][2].value<QImage>().size(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][4].toULongLong(), requestId);
+}
+
+void tst_QPdfPageRenderer::withLoadedDocumentMultiThreaded()
+{
+    QPdfDocument document;
+
+    QPdfPageRenderer pageRenderer;
+    pageRenderer.setDocument(&document);
+    pageRenderer.setRenderMode(QPdfPageRenderer::RenderMode::MultiThreaded);
+
+    QCOMPARE(document.load(QFINDTESTDATA("pdf-sample.pagerenderer.pdf")), QPdfDocument::Error::None);
+
+    QSignalSpy pageRenderedSpy(&pageRenderer, &QPdfPageRenderer::pageRendered);
+
+    const QSize imageSize(100, 100);
+    const quint64 requestId = pageRenderer.requestPage(0, imageSize);
+
+    QCOMPARE(requestId, quint64(1));
+    QTRY_COMPARE(pageRenderedSpy.size(), 1);
+    QCOMPARE(pageRenderedSpy[0][0].toInt(), 0);
+    QCOMPARE(pageRenderedSpy[0][1].toSize(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][2].value<QImage>().size(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][4].toULongLong(), requestId);
+}
+
+void tst_QPdfPageRenderer::switchingRenderMode()
+{
+    QPdfDocument document;
+    QPdfPageRenderer pageRenderer;
+    pageRenderer.setDocument(&document);
+
+    QCOMPARE(document.load(QFINDTESTDATA("pdf-sample.pagerenderer.pdf")), QPdfDocument::Error::None);
+
+    QSignalSpy pageRenderedSpy(&pageRenderer, &QPdfPageRenderer::pageRendered);
+
+    // render single threaded
+    const QSize imageSize(100, 100);
+    const quint64 firstRequestId = pageRenderer.requestPage(0, imageSize);
+
+    QTRY_COMPARE(pageRenderedSpy.size(), 1);
+    QCOMPARE(pageRenderedSpy[0][0].toInt(), 0);
+    QCOMPARE(pageRenderedSpy[0][1].toSize(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][2].value<QImage>().size(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][4].toULongLong(), firstRequestId);
+
+    const QImage image = pageRenderedSpy[0][2].value<QImage>();
+
+    pageRenderedSpy.clear();
+
+    // switch to multi threaded
+    pageRenderer.setRenderMode(QPdfPageRenderer::RenderMode::MultiThreaded);
+
+    const quint64 secondRequestId = pageRenderer.requestPage(0, imageSize);
+
+    QVERIFY(firstRequestId != secondRequestId);
+    QTRY_COMPARE(pageRenderedSpy.size(), 1);
+    QCOMPARE(pageRenderedSpy[0][0].toInt(), 0);
+    QCOMPARE(pageRenderedSpy[0][1].toSize(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][2].value<QImage>(), image);
+    QCOMPARE(pageRenderedSpy[0][2].value<QImage>().size(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][4].toULongLong(), secondRequestId);
+
+    pageRenderedSpy.clear();
+
+    // switch back to single threaded
+    pageRenderer.setRenderMode(QPdfPageRenderer::RenderMode::SingleThreaded);
+
+    const quint64 thirdRequestId = pageRenderer.requestPage(0, imageSize);
+
+    QTRY_COMPARE(pageRenderedSpy.size(), 1);
+    QCOMPARE(pageRenderedSpy[0][0].toInt(), 0);
+    QCOMPARE(pageRenderedSpy[0][1].toSize(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][2].value<QImage>(), image);
+    QCOMPARE(pageRenderedSpy[0][2].value<QImage>().size(), imageSize);
+    QCOMPARE(pageRenderedSpy[0][4].toULongLong(), thirdRequestId);
+}
+
+QTEST_MAIN(tst_QPdfPageRenderer)
+
+#include "tst_qpdfpagerenderer.moc"