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import unittest
import random
import imath

import IECore

class TestVectorDataFilterOp( unittest.TestCase ) :

	def test( self ) :

		i = IECore.IntVectorData( [ 1, 2, 3, 4, 5, 6 ] )
		f = IECore.BoolVectorData( [ 0, 1, 0, 1 ] )

		ii = IECore.VectorDataFilterOp()( input = i, filter = f, invert = False, clip = True )
		self.assertEqual( ii, IECore.IntVectorData( [ 2, 4 ] ) )

		ii = IECore.VectorDataFilterOp()( input = i, filter = f, invert = True, clip = True )
		self.assertEqual( ii, IECore.IntVectorData( [ 1, 3 ] ) )

		ii = IECore.VectorDataFilterOp()( input = i, filter = f, invert = False, clip = False )
		self.assertEqual( ii, IECore.IntVectorData( [ 2, 4, 5, 6 ] ) )

		ii = IECore.VectorDataFilterOp()( input = i, filter = f, invert = True, clip = False )
		self.assertEqual( ii, IECore.IntVectorData( [ 1, 3, 5, 6 ] ) )

	def testOperateInPlace( self ) :

		f = IECore.BoolVectorData( [ 0, 1, 0, 1 ] )

		i = IECore.IntVectorData( [ 1, 2, 3, 4, 5, 6 ] )
		IECore.VectorDataFilterOp()( input = i, copyInput = False, filter = f, invert = False, clip = True )
		self.assertEqual( i, IECore.IntVectorData( [ 2, 4 ] ) )

		i = IECore.IntVectorData( [ 1, 2, 3, 4, 5, 6 ] )
		IECore.VectorDataFilterOp()( input = i, copyInput = False, filter = f, invert = True, clip = True )
		self.assertEqual( i, IECore.IntVectorData( [ 1, 3 ] ) )

		i = IECore.IntVectorData( [ 1, 2, 3, 4, 5, 6 ] )
		IECore.VectorDataFilterOp()( input = i, copyInput = False, filter = f, invert = False, clip = False )
		self.assertEqual( i, IECore.IntVectorData( [ 2, 4, 5, 6 ] ) )

		i = IECore.IntVectorData( [ 1, 2, 3, 4, 5, 6 ] )
		IECore.VectorDataFilterOp()( input = i, copyInput = False, filter = f, invert = True, clip = False )
		self.assertEqual( i, IECore.IntVectorData( [ 1, 3, 5, 6 ] ) )

		for i in range( 0, 1000 ) :
			m = IECore.BoolVectorData()
			v = IECore.V3fVectorData()
			n = 0
			for j in range( 0, random.randint( 0, 1000 ) ) :
				m.append( random.randint( 0,1 ) )
				n += m[-1]
				v.append( imath.V3f( 0 ) )
			IECore.VectorDataFilterOp()( input = v, copyInput = False, filter = m )
			self.assertEqual( len( v ), n )

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

