def test_header_equal(self):
s0 = Surface( self.surface_valid )
s1 = Surface( self.surface_valid2 )
s2 = s0.copy( )
self.assertTrue( s0.headerEqual( s0 ))
self.assertFalse( s0.headerEqual( s1 ))
self.assertTrue( s0.headerEqual( s2 ))
def test_header_equal(self):
s0 = Surface( self.surface_valid )
s1 = Surface( self.surface_valid2 )
s2 = s0.copy( )
self.assertTrue( s0.headerEqual( s0 ))
self.assertFalse( s0.headerEqual( s1 ))
self.assertTrue( s0.headerEqual( s2 ))
def test_ops2(self):
s0 = Surface( self.surface_small )
surface_list = []
for i in range(10):
s = s0.copy()
for j in range(len(s)):
s[j] = random.random()
surface_list.append(s)
mean = s0.copy( copy_data = False )
for s in surface_list:
mean += s
mean /= len(surface_list)
std = s0.copy( copy_data = False )
for s in surface_list:
std += (s - mean) * (s - mean)
std /= (len(surface_list) - 1)
def test_ops2(self):
s0 = Surface( self.surface_small )
surface_list = []
for i in range(10):
s = s0.copy()
for j in range(len(s)):
s[j] = random.random()
surface_list.append(s)
mean = s0.copy( copy_data = False )
for s in surface_list:
mean += s
mean /= len(surface_list)
std = s0.copy( copy_data = False )
for s in surface_list:
std += (s - mean) * (s - mean)
std /= (len(surface_list) - 1)
def test_copy(self):
with TestAreaContext("surface/copy"):
s0 = Surface( self.surface_valid )
s1 = s0.copy( )
self.assertTrue( s1 == s0 )
s1[0] = 99
self.assertFalse( s1 == s0 )
del s0
self.assertEqual( s1[0] , 99)
s2 = s1.copy( copy_data = False )
self.assertEqual( s2[0] , 0.0 )
self.assertEqual( s2[10] , 0.0 )
self.assertEqual( s2[100] , 0.0 )
def test_copy(self):
with TestAreaContext("surface/copy"):
s0 = Surface( self.surface_valid )
s1 = s0.copy( )
self.assertTrue( s1 == s0 )
s1[0] = 99
self.assertFalse( s1 == s0 )
del s0
self.assertEqual( s1[0] , 99)
s2 = s1.copy( copy_data = False )
self.assertEqual( s2[0] , 0.0 )
self.assertEqual( s2[10] , 0.0 )
self.assertEqual( s2[100] , 0.0 )
