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20 lines
649 B
Python
20 lines
649 B
Python
from unittest import TestCase
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from riscemu.types import Int32, UInt32
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class TestTokenizer(TestCase):
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def test_logical_right_shift(self):
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a = Int32(100)
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self.assertEqual(a.shift_right_logical(0), a)
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self.assertEqual(a.shift_right_logical(10), 0)
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self.assertEqual(a.shift_right_logical(1), 100>>1)
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a = Int32(-100)
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self.assertEqual(a.shift_right_logical(0), a)
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self.assertEqual(a.shift_right_logical(1), 2147483598)
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self.assertEqual(a.shift_right_logical(10), 4194303)
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self.assertEqual(a.shift_right_logical(31), 1)
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self.assertEqual(a.shift_right_logical(32), 0)
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