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hdl.ir: cast instance port connections to Values.

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Fixes #249.
This commit is contained in:
whitequark 2019-10-13 03:19:17 +00:00
parent 13650acbbc
commit 722b3879f4
2 changed files with 20 additions and 4 deletions
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16
nmigen/test/test_hdl_ir.py
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@ -667,6 +667,22 @@ class InstanceTestCase(FHDLTestCase):
("s6", (s6, "io")),
]))
def test_cast_ports(self):
inst = Instance("foo",
("i", "s1", 1),
("o", "s2", 2),
("io", "s3", 3),
i_s4=4,
o_s5=5,
io_s6=6,
)
self.assertRepr(inst.named_ports["s1"][0], "(const 1'd1)")
self.assertRepr(inst.named_ports["s2"][0], "(const 2'd2)")
self.assertRepr(inst.named_ports["s3"][0], "(const 2'd3)")
self.assertRepr(inst.named_ports["s4"][0], "(const 3'd4)")
self.assertRepr(inst.named_ports["s5"][0], "(const 3'd5)")
self.assertRepr(inst.named_ports["s6"][0], "(const 3'd6)")
def test_wrong_construct_arg(self):
s = Signal()
with self.assertRaises(NameError,