5 files changed, 145 insertions, 6 deletions
diff --git a/oox/CppunitTest_oox_vml.mk b/oox/CppunitTest_oox_vml.mk
new file mode 100644
index 000000000000..aa12fa423d65
--- /dev/null
+++ b/oox/CppunitTest_oox_vml.mk
@@ -0,0 +1,45 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#*************************************************************************
+#
+# 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/.
+#
+#*************************************************************************
+
+$(eval $(call gb_CppunitTest_CppunitTest,oox_vml))
+
+$(eval $(call gb_CppunitTest_use_externals,oox_vml,\
+	boost_headers \
+))
+
+$(eval $(call gb_CppunitTest_add_exception_objects,oox_vml, \
+    oox/qa/unit/vml \
+))
+
+$(eval $(call gb_CppunitTest_use_libraries,oox_vml, \
+    comphelper \
+    cppu \
+    oox \
+    sal \
+    test \
+    unotest \
+    utl \
+))
+
+$(eval $(call gb_CppunitTest_use_sdk_api,oox_vml))
+
+$(eval $(call gb_CppunitTest_use_ure,oox_vml))
+$(eval $(call gb_CppunitTest_use_vcl,oox_vml))
+
+$(eval $(call gb_CppunitTest_use_rdb,oox_vml,services))
+
+$(eval $(call gb_CppunitTest_use_custom_headers,oox_vml,\
+	officecfg/registry \
+))
+
+$(eval $(call gb_CppunitTest_use_configuration,oox_vml))
+
+# vim: set noet sw=4 ts=4:
diff --git a/oox/Module_oox.mk b/oox/Module_oox.mk
index 6078a7e24c0c..a40c46aaebbc 100644
--- a/oox/Module_oox.mk
+++ b/oox/Module_oox.mk
@@ -27,6 +27,7 @@ $(eval $(call gb_Module_add_check_targets,oox,\
 	CppunitTest_oox_crypto \
 	CppunitTest_oox_mathml \
 	CppunitTest_oox_drawingml \
+	CppunitTest_oox_vml \
 ))
 
 # vim: set noet sw=4 ts=4:
diff --git a/oox/qa/unit/data/layout-flow-alt-alone.docx b/oox/qa/unit/data/layout-flow-alt-alone.docx
new file mode 100644
index 000000000000..59c2db23d588
--- /dev/null
+++ b/oox/qa/unit/data/layout-flow-alt-alone.docx
diff --git a/oox/qa/unit/vml.cxx b/oox/qa/unit/vml.cxx
new file mode 100644
index 000000000000..ad4e9e229739
--- /dev/null
+++ b/oox/qa/unit/vml.cxx
@@ -0,0 +1,89 @@
+/* -*- 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/beans/XPropertySet.hpp>
+#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
+#include <com/sun/star/embed/XStorage.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/frame/XStorable.hpp>
+#include <com/sun/star/text/WritingMode2.hpp>
+
+#include <comphelper/embeddedobjectcontainer.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertyvalue.hxx>
+#include <comphelper/scopeguard.hxx>
+#include <comphelper/storagehelper.hxx>
+#include <unotools/mediadescriptor.hxx>
+#include <unotools/tempfile.hxx>
+
+using namespace ::com::sun::star;
+
+char const DATA_DIRECTORY[] = "/oox/qa/unit/data/";
+
+/// oox vml tests.
+class OoxVmlTest : public test::BootstrapFixture, public unotest::MacrosTest
+{
+private:
+    uno::Reference<uno::XComponentContext> mxComponentContext;
+    uno::Reference<lang::XComponent> mxComponent;
+
+public:
+    void setUp() override;
+    void tearDown() override;
+    uno::Reference<lang::XComponent>& getComponent() { return mxComponent; }
+    void load(const OUString& rURL);
+};
+
+void OoxVmlTest::setUp()
+{
+    test::BootstrapFixture::setUp();
+
+    mxComponentContext.set(comphelper::getComponentContext(getMultiServiceFactory()));
+    mxDesktop.set(frame::Desktop::create(mxComponentContext));
+}
+
+void OoxVmlTest::tearDown()
+{
+    if (mxComponent.is())
+        mxComponent->dispose();
+
+    test::BootstrapFixture::tearDown();
+}
+
+void OoxVmlTest::load(const OUString& rFileName)
+{
+    OUString aURL = m_directories.getURLFromSrc(DATA_DIRECTORY) + rFileName;
+    mxComponent = loadFromDesktop(aURL);
+}
+
+CPPUNIT_TEST_FIXTURE(OoxVmlTest, testLayoutFlowAltAlone)
+{
+    // mso-layout-flow-alt:bottom-to-top without a matching layout-flow:vertical.
+    load("layout-flow-alt-alone.docx");
+
+    uno::Reference<drawing::XDrawPagesSupplier> xDrawPagesSupplier(getComponent(), uno::UNO_QUERY);
+    uno::Reference<drawing::XDrawPage> xDrawPage(xDrawPagesSupplier->getDrawPages()->getByIndex(0),
+                                                 uno::UNO_QUERY);
+    uno::Reference<beans::XPropertySet> xShape(xDrawPage->getByIndex(0), uno::UNO_QUERY);
+    sal_Int16 nWritingMode = 0;
+    xShape->getPropertyValue("WritingMode") >>= nWritingMode;
+
+    // Without the accompanying fix in place, this test would have failed with:
+    // - Expected: 5 [ BTLR ]
+    // - Actual  : 4 [ PAGE ]
+    // i.e. in case layout-flow:vertical was missing, the text was not vertical.
+    CPPUNIT_ASSERT_EQUAL(text::WritingMode2::BT_LR, nWritingMode);
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/oox/source/vml/vmlshape.cxx b/oox/source/vml/vmlshape.cxx
index 604c2e867250..b928638954c4 100644
--- a/oox/source/vml/vmlshape.cxx
+++ b/oox/source/vml/vmlshape.cxx
@@ -728,13 +728,17 @@ Reference< XShape > SimpleShape::implConvertAndInsert( const Reference< XShapes
             PropertySet( xShape ).setAnyProperty( PROP_BottomBorderDistance, makeAny( sal_Int32( getTextBox()->borderDistanceBottom )));
         }
 
-        if (getTextBox()->maLayoutFlow == "vertical")
+        sal_Int16 nWritingMode = text::WritingMode2::LR_TB;
+        if (getTextBox()->maLayoutFlow == "vertical" && maTypeModel.maLayoutFlowAlt.isEmpty())
+        {
+            nWritingMode = text::WritingMode2::TB_RL;
+        }
+        else if (maTypeModel.maLayoutFlowAlt == "bottom-to-top")
+        {
+            nWritingMode = text::WritingMode2::BT_LR;
+        }
+        if (nWritingMode != text::WritingMode2::LR_TB)
         {
-            sal_Int16 nWritingMode = text::WritingMode2::TB_RL;
-            if (maTypeModel.maLayoutFlowAlt == "bottom-to-top")
-            {
-                nWritingMode = text::WritingMode2::BT_LR;
-            }
             PropertySet(xShape).setAnyProperty(PROP_WritingMode, uno::makeAny(nWritingMode));
         }
     }