test_sim: failing test case.

2023-06-29 11:13:23 +10:00 · 2023-06-29 11:13:23 +10:00 · fd4e25df42
parent b77e33f16a
commit fd4e25df42
1 changed files with 13 additions and 0 deletions
--- a/tests/test_sim.py
+++ b/tests/test_sim.py
@ -882,6 +882,19 @@ class SimulatorIntegrationTestCase(FHDLTestCase):
            Simulator(m).run()
            self.assertEqual(warns, [])

+    def test_large_expr_parser_overflow(self):
+        m = Module()
+        a = Signal()
+
+        op = a
+        for _ in range(50):
+            op = (op ^ 1)
+
+        op = op & op
+
+        m.d.comb += a.eq(op)
+        Simulator(m)
+

 class SimulatorRegressionTestCase(FHDLTestCase):
    def test_bug_325(self):