58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
from ..hdl.cd import *
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from .tools import *
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class ClockDomainCase(FHDLTestCase):
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def test_name(self):
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sync = ClockDomain()
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self.assertEqual(sync.name, "sync")
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self.assertEqual(sync.clk.name, "clk")
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self.assertEqual(sync.rst.name, "rst")
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pix = ClockDomain()
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self.assertEqual(pix.name, "pix")
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self.assertEqual(pix.clk.name, "pix_clk")
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self.assertEqual(pix.rst.name, "pix_rst")
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cd_pix = ClockDomain()
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self.assertEqual(pix.name, "pix")
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dom = [ClockDomain("foo")][0]
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self.assertEqual(dom.name, "foo")
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with self.assertRaises(ValueError,
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msg="Clock domain name must be specified explicitly"):
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ClockDomain()
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def test_with_reset(self):
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pix = ClockDomain()
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self.assertIsNotNone(pix.clk)
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self.assertIsNotNone(pix.rst)
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self.assertFalse(pix.async_reset)
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def test_without_reset(self):
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pix = ClockDomain(reset_less=True)
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self.assertIsNotNone(pix.clk)
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self.assertIsNone(pix.rst)
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self.assertFalse(pix.async_reset)
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def test_async_reset(self):
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pix = ClockDomain(async_reset=True)
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self.assertIsNotNone(pix.clk)
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self.assertIsNotNone(pix.rst)
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self.assertTrue(pix.async_reset)
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def test_rename(self):
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sync = ClockDomain()
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self.assertEqual(sync.name, "sync")
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self.assertEqual(sync.clk.name, "clk")
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self.assertEqual(sync.rst.name, "rst")
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sync.rename("pix")
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self.assertEqual(sync.name, "pix")
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self.assertEqual(sync.clk.name, "pix_clk")
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self.assertEqual(sync.rst.name, "pix_rst")
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def test_rename_reset_less(self):
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sync = ClockDomain(reset_less=True)
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self.assertEqual(sync.name, "sync")
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self.assertEqual(sync.clk.name, "clk")
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sync.rename("pix")
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self.assertEqual(sync.name, "pix")
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self.assertEqual(sync.clk.name, "pix_clk")
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