| 1 | """ |
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| 2 | Test of calculate_region within mandelbrot.py |
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| 3 | """ |
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| 4 | |
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| 5 | import unittest |
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| 6 | import Numeric |
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| 7 | from mandelbrot import calculate_region |
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| 8 | |
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| 9 | |
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| 10 | #------------------------------------------------------------- |
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| 11 | |
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| 12 | class TestCase(unittest.TestCase): |
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| 13 | |
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| 14 | def setUp(self): |
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| 15 | pass |
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| 16 | |
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| 17 | |
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| 18 | def test1(self): |
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| 19 | kmax = 16 |
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| 20 | M = N = 5 |
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| 21 | |
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| 22 | real_min = -2.0 |
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| 23 | real_max = 1.0 |
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| 24 | imag_min = -1.5 |
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| 25 | imag_max = 1.5 |
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| 26 | A = calculate_region(real_min, real_max, |
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| 27 | imag_min, imag_max, kmax, M, N) |
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| 28 | |
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| 29 | assert Numeric.allclose(A, |
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| 30 | [[ 1, 1, 1, 1, 1], |
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| 31 | [ 1, 3, 5, 5, 3], |
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| 32 | [ 2, 4, 9, 9, 4], |
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| 33 | [ 2, 9, 16, 16, 9], |
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| 34 | [ 2, 3, 15, 15, 3]]) |
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| 35 | |
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| 36 | |
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| 37 | def test2(self): |
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| 38 | kmax = 32 |
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| 39 | M = N = 5 |
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| 40 | |
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| 41 | real_min = -2.0 |
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| 42 | real_max = 1.0 |
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| 43 | imag_min = -1.5 |
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| 44 | imag_max = 1.5 |
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| 45 | A = calculate_region(real_min, real_max, |
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| 46 | imag_min, imag_max, kmax, M, N) |
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| 47 | |
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| 48 | assert Numeric.allclose(A, |
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| 49 | [[ 1, 1, 1, 1, 1], |
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| 50 | [ 1, 3, 5, 5, 3], |
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| 51 | [ 2, 4, 9, 9, 4], |
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| 52 | [ 2, 9, 32, 32, 9], |
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| 53 | [ 2, 3, 15, 15, 3]]) |
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| 54 | |
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| 55 | |
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| 56 | def test3(self): |
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| 57 | kmax = 32 |
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| 58 | M = N = 100 |
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| 59 | |
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| 60 | real_min = -2.0 |
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| 61 | real_max = 1.0 |
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| 62 | imag_min = -1.5 |
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| 63 | imag_max = 1.5 |
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| 64 | A = calculate_region(real_min, real_max, |
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| 65 | imag_min, imag_max, kmax, M, N) |
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| 66 | |
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| 67 | assert Numeric.allclose(A[:, 50], |
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| 68 | [32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
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| 69 | 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
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| 70 | 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
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| 71 | 32, 32, 32, 32, 32, 32, 32, 32, |
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| 72 | 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, |
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| 73 | 32, 32, 32, 32, 32, 32, 32, 32, |
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| 74 | 32, 32, 16, 11, 9, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, |
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| 75 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3]) |
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| 76 | |
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| 77 | |
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| 78 | #------------------------------------------------------------- |
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| 79 | if __name__ == "__main__": |
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| 80 | |
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| 81 | mysuite = unittest.makeSuite(TestCase,'test') |
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| 82 | runner = unittest.TextTestRunner() |
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| 83 | runner.run(mysuite) |
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