1 files changed, 183 insertions, 0 deletions
diff --git a/tests/manual/wasm/qtloader_integration/main.cpp b/tests/manual/wasm/qtloader_integration/main.cpp
new file mode 100644
index 0000000000..4bb502b69c
--- /dev/null
+++ b/tests/manual/wasm/qtloader_integration/main.cpp
@@ -0,0 +1,183 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+#include <QtWidgets/QtWidgets>
+
+#include <iostream>
+#include <sstream>
+
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include <emscripten.h>
+
+#include <QtGui/qpa/qplatformscreen.h>
+
+namespace {
+constexpr int ExitValueImmediateReturn = 42;
+constexpr int ExitValueFromExitApp = 22;
+
+std::string screenInformation()
+{
+    auto screens = qGuiApp->screens();
+    std::ostringstream out;
+    out << "[";
+    const char *separator = "";
+    for (const auto &screen : screens) {
+        out << separator;
+        out << "[" << std::to_string(screen->geometry().x()) << ","
+            << std::to_string(screen->geometry().y()) << ","
+            << std::to_string(screen->geometry().width()) << ","
+            << std::to_string(screen->geometry().height()) << "]";
+        separator = ",";
+    }
+    out << "]";
+    return out.str();
+}
+
+std::string logicalDpi()
+{
+    auto screens = qGuiApp->screens();
+    std::ostringstream out;
+    out << "[";
+    const char *separator = "";
+    for (const auto &screen : screens) {
+        out << separator;
+        out << "[" << std::to_string(screen->handle()->logicalDpi().first) << ", "
+            << std::to_string(screen->handle()->logicalDpi().second) << "]";
+        separator = ",";
+    }
+    out << "]";
+    return out.str();
+}
+
+std::string preloadedFiles()
+{
+    QStringList files = QDir("/preload").entryList(QDir::Files);
+    std::ostringstream out;
+    out << "[";
+    const char *separator = "";
+    for (const auto &file : files) {
+        out << separator;
+        out << file.toStdString();
+        separator = ",";
+    }
+    out << "]";
+    return out.str();
+}
+
+void crash()
+{
+    std::abort();
+}
+
+void stackOverflow()
+{
+    stackOverflow(); // should eventually termniate with exception
+}
+
+void exitApp()
+{
+    emscripten_force_exit(ExitValueFromExitApp);
+}
+
+void produceOutput()
+{
+    fprintf(stdout, "Sample output!\n");
+}
+
+std::string retrieveArguments()
+{
+    auto arguments = QApplication::arguments();
+    std::ostringstream out;
+    out << "[";
+    const char *separator = "";
+    for (const auto &argument : arguments) {
+        out << separator;
+        out << "'" << argument.toStdString() << "'";
+        separator = ",";
+    }
+    out << "]";
+    return out.str();
+}
+
+std::string getEnvironmentVariable(std::string name) {
+    return QString::fromLatin1(qgetenv(name.c_str())).toStdString();
+}
+} // namespace
+
+class AppWindow : public QObject
+{
+    Q_OBJECT
+public:
+    AppWindow() : m_layout(new QVBoxLayout(&m_ui))
+    {
+        addWidget<QLabel>("Qt Loader integration tests");
+
+        m_ui.setLayout(m_layout);
+    }
+
+    void show() { m_ui.show(); }
+
+    ~AppWindow() = default;
+
+private:
+    template<class T, class... Args>
+    T *addWidget(Args... args)
+    {
+        T *widget = new T(std::forward<Args>(args)..., &m_ui);
+        m_layout->addWidget(widget);
+        return widget;
+    }
+
+    QWidget m_ui;
+    QVBoxLayout *m_layout;
+};
+
+int main(int argc, char **argv)
+{
+    QApplication application(argc, argv);
+    const auto arguments = application.arguments();
+    const bool exitImmediately =
+            std::find(arguments.begin(), arguments.end(), QStringLiteral("--exit-immediately"))
+            != arguments.end();
+    if (exitImmediately)
+        emscripten_force_exit(ExitValueImmediateReturn);
+
+    const bool crashImmediately =
+            std::find(arguments.begin(), arguments.end(), QStringLiteral("--crash-immediately"))
+            != arguments.end();
+    if (crashImmediately)
+        crash();
+
+    const bool stackOverflowImmediately =
+            std::find(arguments.begin(), arguments.end(), QStringLiteral("--stack-owerflow-immediately"))
+            != arguments.end();
+    if (stackOverflowImmediately)
+        stackOverflow();
+
+    const bool noGui = std::find(arguments.begin(), arguments.end(), QStringLiteral("--no-gui"))
+            != arguments.end();
+
+    if (!noGui) {
+        AppWindow window;
+        window.show();
+        return application.exec();
+    }
+    return application.exec();
+}
+
+EMSCRIPTEN_BINDINGS(qtLoaderIntegrationTest)
+{
+    emscripten::constant("EXIT_VALUE_IMMEDIATE_RETURN", ExitValueImmediateReturn);
+    emscripten::constant("EXIT_VALUE_FROM_EXIT_APP", ExitValueFromExitApp);
+
+    emscripten::function("screenInformation", &screenInformation);
+    emscripten::function("logicalDpi", &logicalDpi);
+    emscripten::function("preloadedFiles", &preloadedFiles);
+    emscripten::function("crash", &crash);
+    emscripten::function("exitApp", &exitApp);
+    emscripten::function("produceOutput", &produceOutput);
+    emscripten::function("retrieveArguments", &retrieveArguments);
+    emscripten::function("getEnvironmentVariable", &getEnvironmentVariable);
+}
+
+#include "main.moc"