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import unittest
import IECore

class TestTypedDataAsObject( unittest.TestCase ) :

	def testSimpleCopy( self ) :

		o = IECore.IntData( 1 )
		self.assertEqual( o.value, 1 )
		self.assertEqual( o, o )
		o.value = 2
		self.assertEqual( o.value, 2 )

		oo = o.copy()
		self.assertEqual( oo.value, 2 )
		self.assertEqual( o, oo )

		o.value = 3
		self.assertEqual( o.value, 3 )
		self.assertEqual( oo.value, 2 )
		self.assertNotEqual( o, oo )

		oo.value = 4
		self.assertEqual( o.value, 3 )
		self.assertEqual( oo.value, 4 )
		self.assertNotEqual( o, oo )

	def testCompoundCopy( self ) :

		"""CompoundData must specialise the copyFrom() method
		to ensure that a genuine deep copy of the data is produced.
		This tests that."""

		a = IECore.IntData( 2 )
		self.assertEqual( a.value, 2 )
		self.assertEqual( a, a )

		c = IECore.CompoundData()
		c["A"] = a
		self.assertEqual( c["A"].value, 2 )

		a.value = 3
		self.assertEqual( a.value, 3 )
		self.assertEqual( c["A"].value, 3 )

		self.assertTrue( a.isSame( c["A"] ) )

		cc = c.copy()

		self.assertTrue( a.isSame( c["A"] ) )
		self.assertTrue( not a.isSame( cc["A"] ) )
		self.assertEqual( c, cc )

		a.value = 10
		self.assertEqual( a.value, 10 )
		self.assertEqual( c["A"].value, 10 )
		self.assertEqual( cc["A"].value, 3 )
		self.assertNotEqual( c, cc )

		cc["A"].value = 100
		self.assertEqual( cc["A"].value, 100 )
		self.assertEqual( c["A"].value, 10 )
		self.assertEqual( a.value, 10 )
		self.assertNotEqual( c, cc )

		a.value = 100
		self.assertEqual( c, cc )


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