add test for fdo#64722, cp#1000058

Change-Id: Idccff4629b8af84e59d52fb3135e9217d3564cb9

chart2/qa/extras/chart2export.cxx

@@ -55,6 +55,7 @@ public:
     void testEmbeddingsOleObjectGrabBag();
     void testGapWidthXLSX();
     void testSmoothedLines();
+    void testLabelStringODS();
 
     CPPUNIT_TEST_SUITE(Chart2ExportTest);
     CPPUNIT_TEST(test);
@@ -82,6 +83,7 @@ public:
     CPPUNIT_TEST(testEmbeddingsOleObjectGrabBag);
     CPPUNIT_TEST(testGapWidthXLSX);
     CPPUNIT_TEST(testSmoothedLines);
+    CPPUNIT_TEST(testLabelStringODS);
     CPPUNIT_TEST_SUITE_END();
 
 protected:
@@ -782,6 +784,28 @@ void Chart2ExportTest::testSmoothedLines()
     assertXPath(pXmlDoc, "/c:chartSpace/c:chart/c:plotArea/c:lineChart/c:ser[1]/c:smooth", "val", "0");
 }
 
+void Chart2ExportTest::testLabelStringODS()
+{
+    load("/chart2/qa/extras/data/ods/", "labelString.ods");
+
+    uno::Reference< chart2::XChartDocument > xChartDoc = getChartDocFromSheet( 0, mxComponent );
+    Reference< chart2::data::XDataSequence > xLabelSeq =
+        getLabelDataSequenceFromDoc(xChartDoc);
+    CPPUNIT_ASSERT(xLabelSeq.is());
+
+    OUString aLabelString = xLabelSeq->getSourceRangeRepresentation();
+    CPPUNIT_ASSERT_EQUAL(OUString("\"LabelName\""), aLabelString);
+
+    reload("calc8");
+
+    xChartDoc = getChartDocFromSheet( 0, mxComponent );
+    xLabelSeq = getLabelDataSequenceFromDoc(xChartDoc);
+    CPPUNIT_ASSERT(xLabelSeq.is());
+
+    aLabelString = xLabelSeq->getSourceRangeRepresentation();
+    CPPUNIT_ASSERT_EQUAL(OUString("\"LabelName\""), aLabelString);
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Chart2ExportTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();

chart2/qa/extras/charttest.hxx

@@ -35,6 +35,8 @@
 #include <com/sun/star/chart2/XChartTypeContainer.hpp>
 #include <com/sun/star/chart2/XCoordinateSystemContainer.hpp>
 #include <com/sun/star/chart2/XDataSeriesContainer.hpp>
+#include <com/sun/star/chart2/data/XLabeledDataSequence.hpp>
+#include <com/sun/star/chart2/data/XDataSource.hpp>
 #include <com/sun/star/chart/XChartDataArray.hpp>
 #include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
 #include <com/sun/star/chart/XChartDocument.hpp>
@@ -213,6 +215,29 @@ Reference< chart2::XDataSeries > getDataSeriesFromDoc( uno::Reference< chart2::X
     return xSeries;
 }
 
+Reference< chart2::data::XDataSequence > getLabelDataSequenceFromDoc(
+        Reference< chart2::XChartDocument > xChartDoc,
+        sal_Int32 nDataSeries = 0, sal_Int32 nChartType = 0, sal_Int32 nCooSys = 0 )
+{
+    Reference< chart2::XDataSeries > xDataSeries =
+        getDataSeriesFromDoc( xChartDoc, nDataSeries, nChartType, nCooSys );
+    CPPUNIT_ASSERT(xDataSeries.is());
+    Reference< chart2::data::XDataSource > xDataSource( xDataSeries, uno::UNO_QUERY_THROW );
+    Sequence< Reference< chart2::data::XLabeledDataSequence > > xDataSequences =
+        xDataSource->getDataSequences();
+    for(sal_Int32 i = 0; i < xDataSequences.getLength(); ++i)
+    {
+        Reference< chart2::data::XDataSequence> xLabelSeq = xDataSequences[i]->getLabel();
+        if(!xLabelSeq.is())
+            continue;
+
+        return xLabelSeq;
+    }
+
+    CPPUNIT_FAIL("no Label sequence found");
+    return Reference< chart2::data::XDataSequence > ();
+}
+
 uno::Sequence < OUString > getWriterChartColumnDescriptions( Reference< lang::XComponent > mxComponent )
 {
     uno::Reference<drawing::XDrawPageSupplier> xDrawPageSupplier(mxComponent, uno::UNO_QUERY);