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hdl.ast: don't crash on Mux(<bool>, ...).

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Fixes #240.
This commit is contained in:
whitequark 2019-10-02 08:24:37 +00:00
parent d139f340b3
commit 9458de2079
2 changed files with 6 additions and 1 deletions
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4
nmigen/test/test_hdl_ast.py
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@ -292,6 +292,10 @@ class OperatorTestCase(FHDLTestCase):
v = Mux(s, Const(0, (4, False)), Const(0, (6, False)))
self.assertEqual(repr(v), "(m (b (const 3'd4)) (const 4'd0) (const 6'd0))")
def test_mux_bool(self):
v = Mux(True, Const(0), Const(0))
self.assertEqual(repr(v), "(m (const 1'd1) (const 1'd0) (const 1'd0))")
def test_bool(self):
v = Const(0).bool()
self.assertEqual(repr(v), "(b (const 1'd0))")