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import unittest
import IECore

class TypeIdTest( unittest.TestCase ) :

	def testNoDuplicates( self ) :

		#boost.python.enum doesn't allow us to ensure that no duplicate values are in it. Here we do a simple verification to ensure
		#that the value of each attribute IECore.TypeId.XXXXX is present in the "values" array. If it's not, the likely cause
		#is a duplicate.

		ids = {}

		num = 0
		for i in dir( IECore.TypeId ) :

			v = getattr( IECore.TypeId, i )
			if type( v ) is IECore.TypeId :
				
				if v in ids :

					raise RuntimeError ("TypeId for %s is a duplicate of %s" % ( i, ids[v] ) )

				ids[v] = i

				num = num + 1

		self.assertEqual( num, len( IECore.TypeId.values ) )


if __name__ == "__main__":
        unittest.main()
