Merge pull request #284 from johnhaddon/refCountBinding

Added python binding for RefCounted::refCount().

Author: ldmoser

src/IECorePython/RefCountedBinding.cpp

@@ -78,6 +78,7 @@ void bindRefCounted()
 		.def( "__ne__", notEqual )
 		.def( "__hash__", hash )
 		.def( "isSame", &is )
+		.def( "refCount", &RefCounted::refCount )
 		.def( "numWrappedInstances", &WrapperGarbageCollector::numWrappedInstances ).staticmethod( "numWrappedInstances" )
 		.add_static_property( "garbageCollectionThreshold", &WrapperGarbageCollector::getCollectThreshold, &WrapperGarbageCollector::setCollectThreshold )
 		.def( "collectGarbage", &WrapperGarbageCollector::collect ).staticmethod( "collectGarbage" )

test/IECore/RefCountedTest.py

@@ -151,5 +151,18 @@ def testUseAsKey( self ) :
 		self.assertEqual( d[p2], "p2" )
 		self.assertEqual( d[c["p2"]], "p2" )
 
+	def testRefCount( self ) :
+	
+		c = IECore.CompoundData()
+		i = IECore.IntData( 10 )
+		
+		r = i.refCount()
+		
+		c["i"] = i
+		self.assertEqual( i.refCount(), r + 1 )
+		
+		del c["i"]
+		self.assertEqual( i.refCount(), r )
+
 if __name__ == "__main__":
     unittest.main()