Bugfix test for tdf#77431

Change-Id: I2120ed72c281d2078e387f7f3ae91004ad95822c
Reviewed-on: https://gerrit.libreoffice.org/17855Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>

sc/qa/unit/subsequent_filters-test.cxx

@@ -204,6 +204,7 @@ public:
     void testEmbeddedImageXLS();
     void testEditEngStrikeThroughXLSX();
     void testRefStringXLSX();
+    void testHiddenSheetsXLSX();
 
     void testBnc762542();
 
@@ -304,6 +305,8 @@ public:
 
     CPPUNIT_TEST(testBnc762542);
 
+    CPPUNIT_TEST(testHiddenSheetsXLSX);
+
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -3138,6 +3141,17 @@ void ScFiltersTest::testBnc762542()
     xDocSh->DoClose();
 }
 
+void ScFiltersTest::testHiddenSheetsXLSX()
+{
+    ScDocShellRef xDocSh = loadDoc("hidden_sheets.", XLSX);
+    CPPUNIT_ASSERT_MESSAGE("Failed to open doc", xDocSh.Is());
+
+    ScDocument& rDoc = xDocSh->GetDocument();
+    CPPUNIT_ASSERT_EQUAL_MESSAGE("1st sheet should be hidden", false, rDoc.IsVisible(0));
+    CPPUNIT_ASSERT_EQUAL_MESSAGE("2nd sheet should be visible", true, rDoc.IsVisible(1));
+    CPPUNIT_ASSERT_EQUAL_MESSAGE("3rd sheet should be hidden", false, rDoc.IsVisible(2));
+}
+
 ScFiltersTest::ScFiltersTest()
       : ScBootstrapFixture( "sc/qa/unit/data" )
 {