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diff --git a/include/test/testinteractionhandler.hxx b/include/test/testinteractionhandler.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_TEST_TESTINTERACTIONHANDLER_HXX
+#define INCLUDED_TEST_TESTINTERACTIONHANDLER_HXX
+
+#include <sal/config.h>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/task/XInteractionHandler2.hpp>
+#include <com/sun/star/task/XInteractionAbort.hpp>
+#include <com/sun/star/task/XInteractionApprove.hpp>
+#include <com/sun/star/task/XInteractionPassword2.hpp>
+#include <com/sun/star/task/DocumentPasswordRequest2.hpp>
+#include <com/sun/star/task/DocumentMSPasswordRequest2.hpp>
+
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+class TestInteractionHandler : public cppu::WeakImplHelper<css::lang::XServiceInfo,
+                                                           css::lang::XInitialization,
+                                                           css::task::XInteractionHandler2>
+{
+    OUString msPassword;
+    bool mbPasswordRequested;
+
+    TestInteractionHandler(const TestInteractionHandler&) = delete;
+    TestInteractionHandler& operator=(const TestInteractionHandler&) = delete;
+
+public:
+    TestInteractionHandler(const OUString& sPassword)
+        : msPassword(sPassword)
+        , mbPasswordRequested(false)
+    {}
+
+    bool wasPasswordRequested()
+    {
+        return mbPasswordRequested;
+    }
+
+    virtual OUString SAL_CALL getImplementationName() override
+    {
+        return "com.sun.star.comp.uui.TestInteractionHandler";
+    }
+
+    virtual sal_Bool SAL_CALL supportsService(OUString const & rServiceName) override
+    {
+        return cppu::supportsService(this, rServiceName);
+    }
+
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
+    {
+        return { "com.sun.star.task.InteractionHandler",
+        // added to indicate support for configuration.backend.MergeRecoveryRequest
+                 "com.sun.star.configuration.backend.InteractionHandler",
+        // for backwards compatibility
+                 "com.sun.star.uui.InteractionHandler" };
+    }
+
+    virtual void SAL_CALL initialize(css::uno::Sequence<css::uno::Any> const & /*rArguments*/) override
+    {}
+
+    virtual void SAL_CALL handle(css::uno::Reference<css::task::XInteractionRequest> const & rRequest) override
+    {
+        handleInteractionRequest(rRequest);
+    }
+
+    virtual sal_Bool SAL_CALL handleInteractionRequest(const css::uno::Reference<css::task::XInteractionRequest>& rRequest) override
+    {
+        mbPasswordRequested = false;
+
+        css::uno::Sequence<css::uno::Reference<css::task::XInteractionContinuation>> const &rContinuations = rRequest->getContinuations();
+        css::uno::Any const aRequest(rRequest->getRequest());
+
+        if (handlePasswordRequest(rContinuations, aRequest))
+            return true;
+
+        for (auto const & cont : rContinuations)
+        {
+            css::uno::Reference<css::task::XInteractionApprove> xApprove(cont, css::uno::UNO_QUERY);
+            if (xApprove.is())
+                xApprove->select();
+        }
+
+        return true;
+    }
+
+    bool handlePasswordRequest(const css::uno::Sequence<css::uno::Reference<css::task::XInteractionContinuation>> &rContinuations,
+                               const css::uno::Any& rRequest)
+    {
+        bool bPasswordRequestFound = false;
+        bool bIsRequestPasswordToModify = false;
+        css::task::PasswordRequestMode mode{};
+
+        css::task::DocumentPasswordRequest2 passwordRequest2;
+        if (rRequest >>= passwordRequest2)
+        {
+            bIsRequestPasswordToModify = passwordRequest2.IsRequestPasswordToModify;
+            mode = passwordRequest2.Mode;
+            bPasswordRequestFound = true;
+        }
+        css::task::DocumentMSPasswordRequest2 passwordMSRequest2;
+        if (rRequest >>= passwordMSRequest2)
+        {
+            bIsRequestPasswordToModify = passwordMSRequest2.IsRequestPasswordToModify;
+            mode = passwordMSRequest2.Mode;
+            bPasswordRequestFound = true;
+        }
+
+        if (!bPasswordRequestFound)
+        {
+            mbPasswordRequested = false;
+            return false;
+        }
+        mbPasswordRequested = true;
+
+        for (auto const & cont : rContinuations)
+        {
+            if (mode == css::task::PasswordRequestMode_PASSWORD_REENTER)
+            {   // cancel re-enter of wrong password, to avoid infinite loop
+                css::uno::Reference<css::task::XInteractionAbort> const xAbort(cont, css::uno::UNO_QUERY);
+                if (xAbort.is())
+                    xAbort->select();
+            }
+            else if (bIsRequestPasswordToModify)
+            {
+                css::uno::Reference<css::task::XInteractionPassword2> const xIPW2(cont, css::uno::UNO_QUERY);
+                xIPW2->setPasswordToModify(msPassword);
+                xIPW2->select();
+            }
+            else
+            {
+                css::uno::Reference<css::task::XInteractionPassword> const xIPW(cont, css::uno::UNO_QUERY);
+                if (xIPW.is())
+                {
+                    xIPW->setPassword(msPassword);
+                    xIPW->select();
+                }
+            }
+        }
+        return true;
+    }
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */