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build.dsl: clean up inversion logic.

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* Add invert= argument to DiffPairs() constructor, like in Pins().
  * Make PinsN() and DiffPairsN() pass invert= to the corresponding
    construtor instead of mutating.
This commit is contained in:
whitequark 2020-10-26 19:50:21 +00:00
parent 87454b0b6f
commit e3207b74f4
2 changed files with 8 additions and 8 deletions
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4
tests/test_build_dsl.py
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@ -94,6 +94,10 @@ class DiffPairsTestCase(FHDLTestCase):
self.assertEqual(dp.n.names, ["B0"])
self.assertEqual(dp.invert, True)
def test_invert_arg(self):
dp = DiffPairs(p="A0", n="B0", invert=True)
self.assertEqual(dp.invert, True)
def test_conn(self):
dp = DiffPairs(p="0 1 2", n="3 4 5", conn=("pmod", 0))
self.assertEqual(list(dp), [