1 files changed, 86 insertions, 0 deletions
diff --git a/framework/qa/cppunit/loadenv.cxx b/framework/qa/cppunit/loadenv.cxx
new file mode 100644
index 000000000..4842645bb
--- /dev/null
+++ b/framework/qa/cppunit/loadenv.cxx
@@ -0,0 +1,86 @@
+/* -*- 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/.
+ */
+
+#include <test/bootstrapfixture.hxx>
+#include <unotest/macros_test.hxx>
+
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/XFrame.hpp>
+
+#include <comphelper/processfactory.hxx>
+#include <vcl/scheduler.hxx>
+#include <vcl/svapp.hxx>
+
+using namespace ::com::sun::star;
+
+namespace
+{
+/// Covers framework/source/loadenv/ fixes.
+class Test : public test::BootstrapFixture, public unotest::MacrosTest
+{
+public:
+    void setUp() override;
+};
+
+void Test::setUp()
+{
+    test::BootstrapFixture::setUp();
+
+    mxDesktop.set(frame::Desktop::create(mxComponentContext));
+}
+
+constexpr OUStringLiteral DATA_DIRECTORY = u"/framework/qa/cppunit/data/";
+
+class DocumentOpener
+{
+public:
+    DECL_STATIC_LINK(DocumentOpener, OpenDocument, void*, void);
+};
+
+IMPL_STATIC_LINK(DocumentOpener, OpenDocument, void*, pArg, void)
+{
+    CPPUNIT_ASSERT(pArg);
+    auto pURL = static_cast<OUString*>(pArg);
+    uno::Reference<uno::XComponentContext> xComponentContext
+        = comphelper::getProcessComponentContext();
+    uno::Reference<frame::XDesktop2> xDesktop = frame::Desktop::create(xComponentContext);
+    xDesktop->loadComponentFromURL(*pURL, "_default", 0, {});
+    delete pURL;
+}
+
+CPPUNIT_TEST_FIXTURE(Test, testDoubleLoading)
+{
+    // Try to load the same document twice. This is similar to trying to execute the soffice process
+    // twice: in that case the 2nd instance forwards to the 1st instance and then uses the same code
+    // path.
+    for (int i = 0; i < 2; ++i)
+    {
+        auto pURL = std::make_unique<OUString>(m_directories.getURLFromSrc(DATA_DIRECTORY)
+                                               + "double-loading.odt");
+        Application::PostUserEvent(LINK(nullptr, DocumentOpener, OpenDocument), pURL.release());
+    }
+    Scheduler::ProcessEventsToIdle();
+
+    // Verify that the 2nd load didn't happen, since it's the same document.
+    uno::Reference<frame::XFrames> xFrames = mxDesktop->getFrames();
+    // Without the accompanying fix in place, this failed with:
+    // - Expected: 1
+    // - Actual  : 2
+    // i.e. the document was loaded twice, into two separate frames/windows.
+    CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(1), xFrames->getCount());
+
+    // Close the document, now that we know we have a single one.
+    uno::Reference<frame::XFrame> xFrame(xFrames->getByIndex(0), uno::UNO_QUERY);
+    xFrame->getController()->getModel()->dispose();
+}
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */