コード例 #1
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    def testInit(self):
        self.assertRaises(ValueError, intbv, 15, min=-8, max=8)
        x = modbv(15, min=-8, max=8)
        self.assertEqual(-1, x)

        # Arbitrary boundraries support (no exception)
        modbv(5, min=-3, max=8)
コード例 #2
0
ファイル: test_modbv.py プロジェクト: Cadavis8/myhdl
    def testInit(self):
        self.assertRaises(ValueError, intbv, 15, min=-8, max=8)
        x = modbv(15, min=-8, max=8)
        self.assertEqual(-1, x)

        # Arbitrary boundraries support (no exception)
        modbv(5, min=-3, max=8)
コード例 #3
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    def testInit(self):
        with pytest.raises(ValueError):
            intbv(15, min=-8, max=8)

        x = modbv(15, min=-8, max=8)
        assert -1 == x

        # Arbitrary boundraries support (no exception)
        modbv(5, min=-3, max=8)
コード例 #4
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ファイル: test_modbv.py プロジェクト: Aravind-Suresh/myhdl
    def testInit(self):
        with pytest.raises(ValueError):
            intbv(15, min=-8, max=8)

        x = modbv(15, min=-8, max=8)
        assert -1 == x

        # Arbitrary boundraries support (no exception)
        modbv(5, min=-3, max=8)
コード例 #5
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 def testGetItem(self):
     self.BuildTestSeqs()
     #Testing for the __getItem__ function
     for i in self.seqi:
         ti = modbv(i)
         cti = modbv(~i)
         for n in range(len(bin(i))):
             chk = ((i >> n) & 1)
             res = ti[n]
             resv = cti[n]
             assert type(res) == bool
             assert type(resv) == bool
             assert res == chk
             assert resv == chk ^ 1
コード例 #6
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ファイル: test_modbv.py プロジェクト: juhasch/myhdl
 def testGetItem(self):
     self.BuildTestSeqs()
     # Testing for the __getItem__ function
     for i in self.seqi:
         ti = modbv(i)
         cti = modbv(~i)
         for n in range(len(bin(i))):
             chk = (i >> n) & 1
             res = ti[n]
             resv = cti[n]
             assert type(res) == bool
             assert type(resv) == bool
             assert res == chk
             assert resv == chk ^ 1
コード例 #7
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 def testGetSlice(self):
     self.BuildTestSeqs()
     #Testing for slice ranged, both closed
     for i in self.seqi:
         ti = modbv(i)
         cti = modbv(~i)
         leni = len(bin(i))
         for n in (range(leni)):
             s = randrange(-leni, leni)
             f = randrange(-leni, leni)
             try:
                 val = ti[f:s]
             except ValueError:
                 assert (f <= s) | (s <= 0)
             else:
                 chkt = (i >> s) & (2**(f - s) - 1)
                 assert val == chkt
                 assert (val.max, val.min) == (2**(f - s), 0)
コード例 #8
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ファイル: test_modbv.py プロジェクト: juhasch/myhdl
 def testGetSlice(self):
     self.BuildTestSeqs()
     # Testing for slice ranged, both closed
     for i in self.seqi:
         ti = modbv(i)
         cti = modbv(~i)
         leni = len(bin(i))
         for n in range(leni):
             s = randrange(-leni, leni)
             f = randrange(-leni, leni)
             try:
                 val = ti[f:s]
             except ValueError:
                 assert (f <= s) | (s <= 0)
             else:
                 chkt = (i >> s) & (2 ** (f - s) - 1)
                 assert val == chkt
                 assert (val.max, val.min) == (2 ** (f - s), 0)
コード例 #9
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    def testGetSliceOpen(self):
        self.BuildTestSeqs()
        #Testing for slice ranged, one of them open
        for i in self.seqi:
            ti = modbv(i)
            cti = modbv(~i)
            leni = len(bin(i))
            assert ti + cti == -1
            for n in (range(leni)):
                s = randrange(leni)
                f = randrange(1, leni)
                chkf = (i) & (2**(f) - 1)
                chks = (i >> s)
                vals, cvals = ti[:s], cti[:s]
                valf, cvalf = ti[f:], cti[f:]
                assert vals + cvals == -1

                #assert valf+cvalf == -1   ---test fails- why???
                assert vals == modbv(chks)
                assert valf == modbv(chkf)
コード例 #10
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ファイル: test_modbv.py プロジェクト: juhasch/myhdl
    def testGetSliceOpen(self):
        self.BuildTestSeqs()
        # Testing for slice ranged, one of them open
        for i in self.seqi:
            ti = modbv(i)
            cti = modbv(~i)
            leni = len(bin(i))
            assert ti + cti == -1
            for n in range(leni):
                s = randrange(leni)
                f = randrange(1, leni)
                chkf = (i) & (2 ** (f) - 1)
                chks = i >> s
                vals, cvals = ti[:s], cti[:s]
                valf, cvalf = ti[f:], cti[f:]
                assert vals + cvals == -1

                # assert valf+cvalf == -1   ---test fails- why???
                assert vals == modbv(chks)
                assert valf == modbv(chkf)
コード例 #11
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 def testWrap(self):
     x = modbv(0, min=-8, max=8)
     x[:] = x + 1
     assert 1 == x
     x[:] = x + 2
     assert 3 == x
     x[:] = x + 5
     assert -8 == x
     x[:] = x + 1
     assert -7 == x
     x[:] = x - 5
     assert 4 == x
     x[:] = x - 4
     assert 0 == x
     x[:] += 15
     x[:] = x - 1
     assert -2 == x
コード例 #12
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 def testWrap(self):
     x = modbv(0, min=-8, max=8)
     x[:] = x + 1
     self.assertEqual(1, x)
     x[:] = x + 2
     self.assertEqual(3, x)
     x[:] = x + 5
     self.assertEqual(-8, x)
     x[:] = x + 1
     self.assertEqual(-7, x)
     x[:] = x - 5
     self.assertEqual(4, x)
     x[:] = x - 4
     self.assertEqual(0, x)
     x[:] += 15
     x[:] = x - 1
     self.assertEqual(-2, x)
コード例 #13
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ファイル: test_modbv.py プロジェクト: Cadavis8/myhdl
 def testWrap(self):
     x = modbv(0, min=-8, max=8)
     x[:] = x + 1
     self.assertEqual(1, x)
     x[:] = x + 2
     self.assertEqual(3, x)
     x[:] = x + 5
     self.assertEqual(-8, x)
     x[:] = x + 1
     self.assertEqual(-7, x)
     x[:] = x - 5
     self.assertEqual(4, x)
     x[:] = x - 4
     self.assertEqual(0, x)
     x[:] += 15
     x[:] = x - 1
     self.assertEqual(-2, x)
コード例 #14
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ファイル: test_modbv.py プロジェクト: Aravind-Suresh/myhdl
 def testWrap(self):
     x = modbv(0, min=-8, max=8)
     x[:] = x + 1
     assert 1 == x
     x[:] = x + 2
     assert 3 == x
     x[:] = x + 5
     assert -8 == x
     x[:] = x + 1
     assert -7 == x
     x[:] = x - 5
     assert 4 == x
     x[:] = x - 4
     assert 0 == x
     x[:] += 15
     x[:] = x - 1
     assert -2 == x
コード例 #15
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 def testSetSlice(self):
     self.BuildTestSeqs()
     self.seqi.extend(self.seqj)
     #Test the bit slice setting wrap around behaviour
     for i in range(1, len(self.seqi)):
         lenp = len(bin(self.seqi[i - 1]))
         ti = modbv(self.seqi[i - 1])[lenp:]
         maxp = 2**lenp
         vali = self.seqi[i]
         s = randrange(lenp - 1)
         f = randrange(s, lenp)
         valp = self.seqi[i - 1]
         maxval = (1 << (f - s)) - 1
         try:
             ti[f:s] = vali
         except ValueError:
             assert maxval < vali
         else:
             bitmask = (((2**f - 1) >> s) << s)
             valp = valp - (valp & bitmask)
             valp = (valp + ((vali << s) % maxp)) % maxp
             assert valp == ti
コード例 #16
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ファイル: test_modbv.py プロジェクト: juhasch/myhdl
 def testSetSlice(self):
     self.BuildTestSeqs()
     self.seqi.extend(self.seqj)
     # Test the bit slice setting wrap around behaviour
     for i in range(1, len(self.seqi)):
         lenp = len(bin(self.seqi[i - 1]))
         ti = modbv(self.seqi[i - 1])[lenp:]
         maxp = 2 ** lenp
         vali = self.seqi[i]
         s = randrange(lenp - 1)
         f = randrange(s, lenp)
         valp = self.seqi[i - 1]
         maxval = (1 << (f - s)) - 1
         try:
             ti[f:s] = vali
         except ValueError:
             assert maxval < vali
         else:
             bitmask = ((2 ** f - 1) >> s) << s
             valp = valp - (valp & bitmask)
             valp = (valp + ((vali << s) % maxp)) % maxp
             assert valp == ti