add test case for no invertIfNegative export, related tdf#90733

Change-Id: I9980b280236f858e6c88ef4ef0ba8cb9d2750b0e

chart2/qa/extras/chart2export.cxx

@@ -88,6 +88,7 @@ public:
     void testAxisNumberFormatXLSX();
     void testDataLabelDefaultValuesXLSX();
     void testTitleOverlayXLSX();
+    void testInvertIfNegativeXLSX();
 
     CPPUNIT_TEST_SUITE(Chart2ExportTest);
     CPPUNIT_TEST(test);
@@ -140,6 +141,7 @@ public:
     CPPUNIT_TEST(testAxisNumberFormatXLSX);
     CPPUNIT_TEST(testDataLabelDefaultValuesXLSX);
     CPPUNIT_TEST(testTitleOverlayXLSX);
+    CPPUNIT_TEST(testInvertIfNegativeXLSX);
     CPPUNIT_TEST_SUITE_END();
 
 protected:
@@ -1288,6 +1290,14 @@ void Chart2ExportTest::testTitleOverlayXLSX()
     assertXPath(pXmlDoc, "/c:chartSpace/c:chart/c:title/c:overlay", "val", "0");
 }
 
+void Chart2ExportTest::testInvertIfNegativeXLSX()
+{
+    load("/chart2/qa/extras/data/xlsx/", "bar_chart_simple.xlsx");
+    xmlDocPtr pXmlDoc = parseExport("xl/charts/chart", "Calc Office Open XML");
+    CPPUNIT_ASSERT(pXmlDoc);
+    assertXPath(pXmlDoc, "/c:chartSpace/c:chart/c:plotArea/c:barChart/c:ser/c:invertIfNegative", "val", "0");
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Chart2ExportTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();