tdf#44774: Parent style's msApiName could yet be empty; use GetApiName()

Reviewed-on: https://gerrit.libreoffice.org/51069Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
(cherry picked from commit a8fc81d4)

Change-Id: Ie0e218ea83d34aa7ee22fea1f32b2851a942544f
Reviewed-on: https://gerrit.libreoffice.org/51101Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>

sd/qa/unit/misc-tests.cxx

@@ -20,6 +20,7 @@
 #include <com/sun/star/frame/Desktop.hpp>
 #include <com/sun/star/frame/XModel2.hpp>
 
+#include <com/sun/star/frame/XLoadable.hpp>
 #include <vcl/scheduler.hxx>
 #include <osl/thread.hxx>
 #include <FactoryIds.hxx>
@@ -51,12 +52,14 @@ public:
     void testTdf96708();
     void testTdf99396();
     void testTdf99396TextEdit();
+    void testTdf44774();
 
     CPPUNIT_TEST_SUITE(SdMiscTest);
     CPPUNIT_TEST(testTdf96206);
     CPPUNIT_TEST(testTdf96708);
     CPPUNIT_TEST(testTdf99396);
     CPPUNIT_TEST(testTdf99396TextEdit);
+    CPPUNIT_TEST(testTdf44774);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -255,6 +258,33 @@ void SdMiscTest::testTdf99396TextEdit()
     xDocSh->DoClose();
 }
 
+void SdMiscTest::testTdf44774()
+{
+    sd::DrawDocShellRef xDocShRef = new sd::DrawDocShell(SfxObjectCreateMode::EMBEDDED, false,
+        DocumentType::Draw);
+    const uno::Reference<frame::XLoadable> xLoadable(xDocShRef->GetModel(), uno::UNO_QUERY_THROW);
+    xLoadable->initNew();
+    SfxStyleSheetBasePool* pSSPool = xDocShRef->GetStyleSheetPool();
+
+    // Create a new style with an empty name, like what happens in UI when creating a new style
+    SfxStyleSheetBase& rStyleA = pSSPool->Make("", SfxStyleFamily::Para, SFXSTYLEBIT_USERDEF);
+    // Assign a new name, which does not yet set its ApiName
+    rStyleA.SetName("StyleA");
+    // Create another style
+    SfxStyleSheetBase& rStyleB = pSSPool->Make("StyleB", SfxStyleFamily::Para, SFXSTYLEBIT_USERDEF);
+    // ... and set its parent to the first one
+    rStyleB.SetParent("StyleA");
+
+    // Now save the file and reload
+    xDocShRef = saveAndReload(xDocShRef.get(), ODG);
+    pSSPool = xDocShRef->GetStyleSheetPool();
+
+    SfxStyleSheetBase* pStyle = pSSPool->Find("StyleB", SfxStyleFamily::Para);
+    CPPUNIT_ASSERT(pStyle);
+    // The parent set in StyleB used to reset, because parent style's msApiName was empty
+    CPPUNIT_ASSERT_EQUAL(OUString("StyleA"), pStyle->GetParent());
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(SdMiscTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();

sd/source/core/stlsheet.cxx

@@ -912,7 +912,7 @@ OUString SAL_CALL SdStyleSheet::getParentStyle() throw(RuntimeException, std::ex
     {
         SdStyleSheet* pParentStyle = static_cast< SdStyleSheet* >( mxPool->Find( GetParent(), nFamily ) );
         if( pParentStyle )
-            return pParentStyle->msApiName;
+            return pParentStyle->GetApiName();
     }
     return OUString();
 }