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# -*- python -*-
#
# Copyright (c) 2010-2012, Jim Bosch
# All rights reserved.
#
# ndarray is distributed under a simple BSD-like license;
# see the LICENSE file that should be present in the root
# of the source distribution, or alternately available at:
# https://github.com/ndarray/ndarray
#
import numpy
import python_test_mod
import unittest
class TestNDArray(unittest.TestCase):
def testIntArrayConversion(self):
a1 = numpy.zeros((5,3,4),dtype=numpy.int32)
a2 = a1[:,:,:2]
self.assertTrue(a1.flags["WRITEABLE"])
self.assertTrue(a2.flags["WRITEABLE"])
ua1 = numpy.zeros((5,3,4),dtype=numpy.uint32)
self.assertTrue(ua1.flags["WRITEABLE"])
b1 = python_test_mod.passIntArray33(a1)
self.assertTrue(b1.flags["WRITEABLE"])
self.assertEqual(a1.shape,b1.shape)
self.assertEqual(a1.strides,b1.strides)
ub1 = python_test_mod.passUIntArray33(ua1)
self.assertTrue(ub1.flags["WRITEABLE"])
self.assertEqual(a1.shape,ub1.shape)
self.assertEqual(a1.strides,ub1.strides)
c1 = python_test_mod.passIntArray30(a1)
self.assertTrue(c1.flags["WRITEABLE"])
self.assertEqual(a1.shape,c1.shape)
self.assertEqual(a1.strides,c1.strides)
d1 = python_test_mod.passConstIntArray33(a1)
self.assertEqual(a1.shape,d1.shape)
self.assertEqual(a1.strides,d1.strides)
self.assertTrue(not d1.flags.writeable)
self.assertRaises(ValueError, python_test_mod.passIntArray33, a2)
c2 = python_test_mod.passIntArray30(a2)
self.assertTrue(c2.flags["WRITEABLE"])
self.assertEqual(a2.shape,c2.shape)
self.assertEqual(a2.strides,c2.strides)
# test to be sure a tuple of tuples does not work
self.assertRaises(TypeError, python_test_mod.passIntArray30, ((1,1,1),(2,2,2),(3,3,3)))
# test to be sure an array of the wrong type does not work
self.assertRaises(ValueError, python_test_mod.passIntArray30,
numpy.zeros((4,3,4),dtype=numpy.float))
def testVectorConversion(self):
a = (3.5,6.7,1.2)
b = python_test_mod.passFloatVector3(a)
self.assertEqual(a,b)
def testArrayConversion(self):
a1 = numpy.zeros((5,3,4),dtype=float)
a2 = a1[:,:,:2]
self.assertTrue(a1.flags["WRITEABLE"])
self.assertTrue(a2.flags["WRITEABLE"])
b1 = python_test_mod.passFloatArray33(a1)
self.assertTrue(b1.flags["WRITEABLE"])
self.assertEqual(a1.shape,b1.shape)
self.assertEqual(a1.strides,b1.strides)
c1 = python_test_mod.passFloatArray30(a1)
self.assertTrue(c1.flags["WRITEABLE"])
self.assertEqual(a1.shape,c1.shape)
self.assertEqual(a1.strides,c1.strides)
d1 = python_test_mod.passConstFloatArray33(a1)
self.assertEqual(a1.shape,d1.shape)
self.assertEqual(a1.strides,d1.strides)
self.assertTrue(not d1.flags.writeable)
self.assertRaises(ValueError, python_test_mod.passFloatArray33, a2)
c2 = python_test_mod.passFloatArray30(a2)
self.assertTrue(c2.flags["WRITEABLE"])
self.assertEqual(a2.shape,c2.shape)
self.assertEqual(a2.strides,c2.strides)
# test to be sure a tuple of tuples does not work
self.assertRaises(TypeError, python_test_mod.passFloatArray30,
((1.0,1.0,1.0),(2.0,2.0,2.0),(3.0,3.0,3.0)))
# test to be sure an array of the wrong type does not work
self.assertRaises(ValueError, python_test_mod.passFloatArray30,
numpy.zeros((4,3,4),dtype=numpy.int32))
# test to be sure a tuple of tuples does not work
self.assertRaises(TypeError, python_test_mod.passFloatArray30,
((1.0,1.0,1.0),(2.0,2.0,2.0),(3.0,3.0,3.0)))
# test to be sure an array of the wrong type does not work
self.assertRaises(ValueError, python_test_mod.passFloatArray30,
numpy.zeros((4,3,4),dtype=numpy.int32))
def testFloatArrayCreation(self):
a = python_test_mod.makeFloatArray3((3,4,5))
def testIntArrayCreation(self):
a = python_test_mod.makeIntArray3((3,4,5))
if __name__ == "__main__":
unittest.main()