generic-library/opencv
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added tests on cv.CreateImage() (thanks to mythsmith).

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This commit is contained in:
Vadim Pisarevsky
2012-01-25 13:32:48 +00:00
parent d1b5f43700
commit 9469f65094
1 changed files with 60 additions and 0 deletions
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60
modules/python/test/ticket_6.py
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@@ -12,5 +12,65 @@ class TestLoadImage(unittest.TestCase):
cvim = cv.LoadImage("large.jpg")
self.assert_(len(pilim.tostring()) == len(cvim.tostring()))
class Creating(unittest.TestCase):
size=(640, 480)
repeat=100
def test_0_Create(self):
image = cv.CreateImage(self.size, cv.IPL_DEPTH_8U, 1)
cnt=cv.CountNonZero(image)
self.assertEqual(cnt, 0, msg="Created image is not black. CountNonZero=%i" % cnt)
def test_2_CreateRepeat(self):
cnt=0
for i in range(self.repeat):
image = cv.CreateImage(self.size, cv.IPL_DEPTH_8U, 1)
cnt+=cv.CountNonZero(image)
self.assertEqual(cnt, 0, msg="Created images are not black. Mean CountNonZero=%.3f" % (1.*cnt/self.repeat))
def test_2a_MemCreated(self):
cnt=0
v=[]
for i in range(self.repeat):
image = cv.CreateImage(self.size, cv.IPL_DEPTH_8U, 1)
cv.FillPoly(image, [[(0, 0), (0, 100), (100, 0)]], 0)
cnt+=cv.CountNonZero(image)
v.append(image)
self.assertEqual(cnt, 0, msg="Memorized images are not black. Mean CountNonZero=%.3f" % (1.*cnt/self.repeat))
def test_3_tostirng(self):
image = cv.CreateImage(self.size, cv.IPL_DEPTH_8U, 1)
image.tostring()
cnt=cv.CountNonZero(image)
self.assertEqual(cnt, 0, msg="After tostring(): CountNonZero=%i" % cnt)
def test_40_tostringRepeat(self):
cnt=0
image = cv.CreateImage(self.size, cv.IPL_DEPTH_8U, 1)
cv.Set(image, cv.Scalar(0,0,0,0))
for i in range(self.repeat*100):
image.tostring()
cnt=cv.CountNonZero(image)
self.assertEqual(cnt, 0, msg="Repeating tostring(): Mean CountNonZero=%.3f" % (1.*cnt/self.repeat))
def test_41_CreateToStringRepeat(self):
cnt=0
for i in range(self.repeat*100):
image = cv.CreateImage(self.size, cv.IPL_DEPTH_8U, 1)
cv.Set(image, cv.Scalar(0,0,0,0))
image.tostring()
cnt+=cv.CountNonZero(image)
self.assertEqual(cnt, 0, msg="Repeating create and tostring(): Mean CountNonZero=%.3f" % (1.*cnt/self.repeat))
def test_4a_MemCreatedToString(self):
cnt=0
v=[]
for i in range(self.repeat):
image = cv.CreateImage(self.size, cv.IPL_DEPTH_8U, 1)
cv.Set(image, cv.Scalar(0,0,0,0))
image.tostring()
cnt+=cv.CountNonZero(image)
v.append(image)
self.assertEqual(cnt, 0, msg="Repeating and memorizing after tostring(): Mean CountNonZero=%.3f" % (1.*cnt/self.repeat))
if __name__ == '__main__':
unittest.main()