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3rdparty/kddockwidgets/tests/tst_viewguard.cpp

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+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Waqar Ahmed <waqar.ahmed@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "simple_test_framework.h"
+#include "core/ViewGuard.h"
+#include "core/ObjectGuard_p.h"
+#include "core/Platform.h"
+
+using namespace KDDockWidgets;
+using namespace KDDockWidgets::Core;
+
+KDDW_QCORO_TASK tst_viewGuard()
+{
+    ViewGuard g(nullptr);
+    CHECK(g.isNull());
+
+    {
+        auto view = Platform::instance()->tests_createView({});
+        g = view;
+        CHECK(!g.isNull());
+        delete view;
+    }
+
+    CHECK(g.isNull());
+
+    // Test when ViewGuard is destroyed before view
+    // May not crash without ASAN
+    auto view = Platform::instance()->tests_createView({});
+    {
+        ViewGuard gg(view);
+        CHECK(!gg.isNull());
+    }
+    delete view;
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_objectGuard()
+{
+    {
+        ObjectGuard<Controller> guard;
+        CHECK(!guard);
+        CHECK(guard.isNull());
+        CHECK(guard.data() == nullptr);
+    }
+
+    {
+        auto c = new Controller(ViewType::DockWidget, nullptr);
+        ObjectGuard<Controller> guard(c);
+        CHECK(guard);
+        CHECK(!guard.isNull());
+        CHECK(guard.data() != nullptr);
+
+        delete c;
+        CHECK(!guard);
+        CHECK(guard.isNull());
+        CHECK(guard.data() == nullptr);
+
+        auto c2 = new Controller(ViewType::DockWidget, nullptr);
+
+        // Test assignment
+        guard = c2;
+        CHECK(guard);
+        CHECK(!guard.isNull());
+        CHECK(guard.data() != nullptr);
+
+        delete c2;
+        CHECK(!guard);
+        CHECK(guard.isNull());
+        CHECK(guard.data() == nullptr);
+    }
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> { TEST(tst_objectGuard) };
+
+#include "tests_main.h"