Create a wrapper to make listening for configmgr changes easy.

Change-Id: Ib58d04f9e046e604b24e0e338796a7a60aa1d6fd
Reviewed-on: https://gerrit.libreoffice.org/19253
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>

2 files changed, 51 insertions, 0 deletions

diff --git a/configmgr/CppunitTest_configmgr_unit.mk b/configmgr/CppunitTest_configmgr_unit.mk
index e8bddc24bee8..ca9653fd126e 100644
--- a/configmgr/CppunitTest_configmgr_unit.mk
+++ b/configmgr/CppunitTest_configmgr_unit.mk
@@ -21,6 +21,10 @@ $(eval $(call gb_CppunitTest_use_library_objects,configmgr_unit,configmgr))
 
 $(eval $(call gb_CppunitTest_use_sdk_api,configmgr_unit,))
 
+$(eval $(call gb_CppunitTest_use_custom_headers,configmgr_unit,\
+        officecfg/registry \
+))
+
 $(eval $(call gb_CppunitTest_use_libraries,configmgr_unit, \
 	    comphelper \
 	    cppu \
diff --git a/configmgr/qa/unit/test.cxx b/configmgr/qa/unit/test.cxx
index a9f609bc3677..6985cab57fde 100644
--- a/configmgr/qa/unit/test.cxx
+++ b/configmgr/qa/unit/test.cxx
@@ -55,7 +55,11 @@
 #include <rtl/ustring.hxx>
 #include <sal/types.h>
 #include <comphelper/processfactory.hxx>
+#include <comphelper/configuration.hxx>
+#include <comphelper/configurationlistener.hxx>
+#include <comphelper/configurationlistener.hxx>
 #include <unotest/bootstrapfixturebase.hxx>
+#include <officecfg/Office/Math.hxx>
 
 namespace {
 
@@ -70,6 +74,7 @@ public:
     void testSetSetMemberName();
     void testInsertSetMember();
     void testReadCommands();
+    void testListener();
 #if 0
     void testThreads();
 #endif
@@ -98,6 +103,7 @@ public:
     CPPUNIT_TEST(testSetSetMemberName);
     CPPUNIT_TEST(testInsertSetMember);
     CPPUNIT_TEST(testReadCommands);
+    CPPUNIT_TEST(testListener);
 #if 0
     CPPUNIT_TEST(testThreads);
 #endif
@@ -356,6 +362,47 @@ void Test::testReadCommands()
         access, css::uno::UNO_QUERY_THROW)->dispose();
 }
 
+void Test::testListener()
+{
+    OUString aRandomPath = "/org.openoffice.Office.Math/View";
+
+    // test with no props.
+    {
+        rtl::Reference<comphelper::ConfigurationListener> xListener(
+            new comphelper::ConfigurationListener(aRandomPath));
+        xListener->dispose();
+    }
+
+    // test some changes
+    {
+        rtl::Reference<comphelper::ConfigurationListener> xListener(
+            new comphelper::ConfigurationListener(aRandomPath));
+
+        comphelper::ConfigurationListenerProperty<bool> aSetting(xListener, "AutoRedraw");
+        CPPUNIT_ASSERT_MESSAGE("check AutoRedraw defaults to true", aSetting.get());
+
+        // set to false
+        {
+            std::shared_ptr< comphelper::ConfigurationChanges > xChanges(
+                comphelper::ConfigurationChanges::create());
+            officecfg::Office::Math::View::AutoRedraw::set(false, xChanges);
+            xChanges->commit();
+        }
+        CPPUNIT_ASSERT_MESSAGE("listener failed to trigger", !aSetting.get());
+
+        // set to true
+        {
+            std::shared_ptr< comphelper::ConfigurationChanges > xChanges(
+                comphelper::ConfigurationChanges::create());
+            officecfg::Office::Math::View::AutoRedraw::set(true, xChanges);
+            xChanges->commit();
+        }
+        CPPUNIT_ASSERT_MESSAGE("listener failed to trigger", aSetting.get());
+
+        xListener->dispose();
+    }
+}
+
 void Test::testRecursive()
 {
     bool destroyed = false;