mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-28 00:58:09 +00:00
41 lines
2.2 KiB
Python
41 lines
2.2 KiB
Python
from common import *
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from trezor import utils
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class TestUtils(unittest.TestCase):
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def test_chunks(self):
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c = list(utils.chunks(range(100), 7))
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for i in range(15):
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# need to check start, stop, step attrs until https://github.com/micropython/micropython/issues/2600 is resolved
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self.assertEqual(c[i].start, i * 7)
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self.assertEqual(c[i].stop, 100 if (i == 14) else (i + 1) * 7)
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self.assertEqual(c[i].step, 1)
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def test_truncate_utf8(self):
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self.assertEqual(utils.truncate_utf8("", 3), "")
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self.assertEqual(utils.truncate_utf8("a", 3), "a")
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self.assertEqual(utils.truncate_utf8("ab", 3), "ab")
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self.assertEqual(utils.truncate_utf8("abc", 3), "abc")
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self.assertEqual(utils.truncate_utf8("abcd", 3), "abc")
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self.assertEqual(utils.truncate_utf8("abcde", 3), "abc")
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self.assertEqual(utils.truncate_utf8("a\u0123", 3), "a\u0123") # b'a\xc4\xa3'
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self.assertEqual(utils.truncate_utf8("a\u1234", 3), "a") # b'a\xe1\x88\xb4'
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self.assertEqual(utils.truncate_utf8("ab\u0123", 3), "ab") # b'ab\xc4\xa3'
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self.assertEqual(utils.truncate_utf8("ab\u1234", 3), "ab") # b'ab\xe1\x88\xb4'
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self.assertEqual(utils.truncate_utf8("abc\u0123", 3), "abc") # b'abc\xc4\xa3'
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self.assertEqual(utils.truncate_utf8("abc\u1234", 3), "abc") # b'abc\xe1\x88\xb4'
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 0), "") # b'\xe1\x88\xb4\xe5\x99\xb8
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 1), "") # b'\xe1\x88\xb4\xe5\x99\xb8
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 2), "") # b'\xe1\x88\xb4\xe5\x99\xb8
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 3), "\u1234") # b'\xe1\x88\xb4\xe5\x99\xb8
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 4), "\u1234") # b'\xe1\x88\xb4\xe5\x99\xb8
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 5), "\u1234") # b'\xe1\x88\xb4\xe5\x99\xb8
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 6), "\u1234\u5678") # b'\xe1\x88\xb4\xe5\x99\xb8
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self.assertEqual(utils.truncate_utf8("\u1234\u5678", 7), "\u1234\u5678") # b'\xe1\x88\xb4\xe5\x99\xb8
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if __name__ == '__main__':
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unittest.main()
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