qt 6.5.1 original

tests/auto/cmake/tst_qaddpreroutine/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## tst_qaddpreroutine Test:
+#####################################################################
+cmake_minimum_required(VERSION 3.16)
+
+if(DEFINED CMAKE_Core_MODULE_MAJOR_VERSION)
+    set(project_version "${CMAKE_Core_MODULE_MAJOR_VERSION}.\
+${CMAKE_Core_MODULE_MINOR_VERSION}.${CMAKE_Core_MODULE_PATCH_VERSION}"
+    )
+else()
+    set(project_version "6.0.0")
+endif()
+
+project(tst_qaddpreroutine
+        LANGUAGES CXX
+        VERSION "${project_version}"
+)
+
+find_package(Qt6 COMPONENTS Core BuildInternals CONFIG REQUIRED)
+qt_prepare_standalone_project()
+
+find_package(Qt6 COMPONENTS Gui Test CONFIG REQUIRED)
+
+qt_internal_add_plugin(QTBUG_90341ThemePlugin
+    NO_UNITY_BUILD
+    OUTPUT_NAME QTBUG_90341
+    OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}"
+    CLASS_NAME ThemePlugin
+    PLUGIN_TYPE platformthemes
+    DEFAULT_IF TRUE
+    SOURCES
+        plugin.cpp
+    SKIP_INSTALL
+    LIBRARIES
+        Qt::Core
+        Qt::Gui
+        Qt::GuiPrivate
+)
+
+qt_internal_add_test(tst_qaddpreroutine
+    SOURCES
+        tst_qaddpreroutine.cpp
+    LIBRARIES
+        Qt::Gui
+)
+
+
+target_compile_definitions(tst_qaddpreroutine
+    PRIVATE QT_QPA_PLATFORM_PLUGIN_PATH=\"${CMAKE_BINARY_DIR}\")

tests/auto/cmake/tst_qaddpreroutine/plugin.cpp

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+// Copyright (C) 2021 zccrs <zccrs@live.com>, JiDe Zhang <zhangjide@uniontech.com>.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <qpa/qplatformthemeplugin.h>
+#include <qpa/qplatformtheme.h>
+#include <QCoreApplication>
+
+QT_BEGIN_NAMESPACE
+
+// The "test_function_call_count" property will be used in the "tst_qaddpreroutine.cpp".
+// This plugin is part of the test case. It is used to call qAddPreRoutine through
+// Q_COREAPP_STARTUP_FUNCTION on the plugin loading. Please treat it as a whole
+// with "tst_qaddpreroutine.cpp".
+static void test()
+{
+    Q_ASSERT(qApp != nullptr);
+    int call_count = qApp->property("test_function_call_count").toInt();
+    // Record the number of times A is called, in this example, it should be called only once.
+    qApp->setProperty("test_function_call_count", call_count + 1);
+}
+Q_COREAPP_STARTUP_FUNCTION(test)
+
+class ThemePlugin : public QPlatformThemePlugin
+{
+    Q_OBJECT
+    Q_PLUGIN_METADATA(IID QPlatformThemeFactoryInterface_iid FILE "plugin.json")
+
+public:
+    QPlatformTheme *create(const QString &key, const QStringList &params) override;
+};
+
+QPlatformTheme *ThemePlugin::create(const QString &key, const QStringList &params)
+{
+    Q_UNUSED(key)
+    Q_UNUSED(params);
+
+    // Used to verify whether this plugin was successfully loaded.
+    qputenv("QTBUG_90341_ThemePlugin", "1");
+
+    return new QPlatformTheme();
+}
+
+QT_END_NAMESPACE
+
+#include "plugin.moc"

tests/auto/cmake/tst_qaddpreroutine/plugin.json

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+{
+    "Keys": ["QTBUG_90341"]
+}

tests/auto/cmake/tst_qaddpreroutine/tst_qaddpreroutine.cpp

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+// Copyright (C) 2021 zccrs <zccrs@live.com>, JiDe Zhang <zhangjide@uniontech.com>.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <QTest>
+#include <QGuiApplication>
+
+class tst_qAddPreRoutine : public QObject
+{
+    Q_OBJECT
+
+public:
+    static void initMain()
+    {
+        // The purpose of this use case is indeed to test "qAddPreRoutine", but
+        // as you can see, there is nowhere to call "qAddPreRoutine". Please see
+        // the following two lines of code, which set the "QT_QPA_PLATFORM_PLUGIN_PATH"
+        // and "QT_QPA_PLATFORMTHEME" environment variables that a new platform
+        // theme plugin will be loaded, and the Q_COREAPP_STARTUP_FUNCTION macro
+        // is used in this plugin, which will cause "qAddPreRoutine" to be called
+        // indirectly in the Q*Application class when load the platform theme plugin.
+        // See the "plugin.cpp" file.
+#ifndef Q_OS_ANDROID // The plug-in is in the apk package, no need to specify its directory
+        qputenv("QT_QPA_PLATFORM_PLUGIN_PATH", QT_QPA_PLATFORM_PLUGIN_PATH);
+#endif
+        qputenv("QT_QPA_PLATFORMTHEME", "QTBUG_90341");
+    }
+
+private slots:
+    void tst_QTBUG_90341()
+    {
+#ifdef Q_OS_ANDROID
+        QSKIP("Android can't load the platform theme plugin this test needs, see QTBUG-92893");
+#endif
+        QVERIFY2(qEnvironmentVariableIsSet("QTBUG_90341_ThemePlugin"),
+                 "The \"QTBUG_90341\" theme plugin not loaded.");
+        // This "test_function_call_count" property is assigned in the "QTBUG_90341" plugin.
+        // See the "plugin.cpp" file.
+        QCOMPARE(qApp->property("test_function_call_count").toInt(), 1);
+    }
+};
+
+QTEST_MAIN(tst_qAddPreRoutine)
+
+#include "tst_qaddpreroutine.moc"