90 lines
2.4 KiB
Python
90 lines
2.4 KiB
Python
import unittest
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from manticore.core.cpu import bitwise
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class Armv7RF(unittest.TestCase):
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def test_mask(self):
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masked = bitwise.Mask(8)
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self.assertEqual(masked, 0xff)
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def test_get_bits(self):
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val = 0xAABBCCDD
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result = bitwise.GetNBits(val, 8)
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self.assertEqual(result, 0xDD)
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def test_lsl_nocarry(self):
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val = 0xAA00
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result, carry = bitwise.LSL_C(val, 4, 32)
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self.assertEqual(result, 0x0AA000)
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self.assertEqual(carry , 0)
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def test_lsl_carry(self):
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val = 0x80000000
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result, carry = bitwise.LSL_C(val, 1, 32)
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print hex(result), "", hex(carry)
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self.assertEqual(result, 0)
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self.assertEqual(carry , 1)
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def test_lsr_nocarry(self):
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val = 0xFFF7
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result, carry = bitwise.LSR_C(val, 4, 32)
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self.assertEqual(result, 0x0FFF)
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self.assertEqual(carry , 0)
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def test_lsr_carry(self):
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val = 0xFFF8
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result, carry = bitwise.LSR_C(val, 4, 32)
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self.assertEqual(result, 0x0FFF)
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self.assertEqual(carry , 1)
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def test_asr_nocarry(self):
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val = 0x00F0
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result, carry = bitwise.ASR_C(val, 4, 32)
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self.assertEqual(result, 0xF)
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self.assertEqual(carry, 0)
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def test_asr_carry(self):
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val = 0x0003
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result, carry = bitwise.ASR_C(val, 1, 32)
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self.assertEqual(result, 1)
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self.assertEqual(carry, 1)
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def test_ror_nocarry(self):
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val = 0x00F0
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result, carry = bitwise.ROR_C(val, 4, 32)
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print hex(result)
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self.assertEqual(result, 0xF)
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self.assertEqual(carry, 0)
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def test_ror_carry(self):
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val = 0x0003
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result, carry = bitwise.ROR_C(val, 1, 32)
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print hex(result)
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self.assertEqual(result, 0x80000001)
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self.assertEqual(carry, 1)
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def test_rrx_nocarry(self):
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val = 0x000F
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result, carry = bitwise.RRX_C(val, 0, 32)
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self.assertEqual(result, 0x7)
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self.assertEqual(carry, 1)
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def test_rrx_carry(self):
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val = 0x0001
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result, carry = bitwise.RRX_C(val, 1, 32)
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print hex(result)
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self.assertEqual(result, 0x80000000)
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self.assertEqual(carry, 1)
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def test_sint(self):
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val = 0xFFFFFFFF
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result = bitwise.SInt(val, 32)
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self.assertEqual(result, -1)
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def test_sint_2(self):
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val = 0xFFFFFFFE
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result = bitwise.SInt(val, 32)
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self.assertEqual(result, -2)
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