cool#15331: add a unit test

Change-Id: I31f0618717ac7c54bde598bf08653b33dc7a807f
Reviewed-on: https://gerrit.collaboraoffice.com/c/core/+/204
Tested-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Tested-by: Jenkins CPCI <releng@collaboraoffice.com>
Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>
(cherry picked from commit 170391fc3cf26c48647681cb7a5d9f861df99309)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/203635
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>

sw/inc/editsh.hxx

@@ -708,7 +708,7 @@ public:
     /// Update content of all charts for table with given name.
     void UpdateCharts( const UIName& rName );
 
-    OUString GetCurWord() const;
+    SW_DLLPUBLIC OUString GetCurWord() const; // used in CppunitTest_sw_uiwriter9
 
     /** Glossary from glossary document in current document.
      Styles only if not already existent. */

sw/qa/extras/uiwriter/uiwriter9.cxx

@@ -1864,6 +1864,20 @@ CPPUNIT_TEST_FIXTURE(SwUiWriterTest9, testTdf168355)
     CPPUNIT_ASSERT_EQUAL(sal_uInt16(1), pPageFrm->GetVirtPageNum());
 }
 
+CPPUNIT_TEST_FIXTURE(SwUiWriterTest9, testSplitFloattableGetCurWord)
+{
+    // Given a document with a floating table that splits across pages: the anchor paragraph has
+    // text; it's split together with its floating table; and its first frame has no SwParaPortion
+    // (only the last follow frame has it).
+    createSwDoc("floattable-nosection-7in.docx");
+    SwWrtShell* pWrtShell = getSwDocShell()->GetWrtShell();
+    // Go to end (the anchor paragraph for the floating table)
+    pWrtShell->SttEndDoc(/*bStt=*/false);
+
+    // Without the fix this would crash
+    CPPUNIT_ASSERT_EQUAL(u"End"_ustr, pWrtShell->GetCurWord());
+}
+
 } // end of anonymous namespace
 CPPUNIT_PLUGIN_IMPLEMENT();