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-rw-r--r--tests/extmod/uasyncio_micropython.py6
-rw-r--r--tests/extmod/uasyncio_micropython.py.exp1
2 files changed, 7 insertions, 0 deletions
diff --git a/tests/extmod/uasyncio_micropython.py b/tests/extmod/uasyncio_micropython.py
index 69e5fa322..a6b65bb2a 100644
--- a/tests/extmod/uasyncio_micropython.py
+++ b/tests/extmod/uasyncio_micropython.py
@@ -22,6 +22,12 @@ async def main():
await uasyncio.sleep_ms(1)
print(utime.ticks_diff(utime.ticks_ms(), t0) < 100)
+ try:
+ # Sleep 1ms beyond maximum allowed sleep value
+ await uasyncio.sleep_ms(utime.ticks_add(0, -1) // 2 + 1)
+ except OverflowError:
+ print("OverflowError")
+
# When task finished before the timeout
print(await uasyncio.wait_for_ms(task(1, 5), 50))
diff --git a/tests/extmod/uasyncio_micropython.py.exp b/tests/extmod/uasyncio_micropython.py.exp
index f5be1dc75..4d1c6d681 100644
--- a/tests/extmod/uasyncio_micropython.py.exp
+++ b/tests/extmod/uasyncio_micropython.py.exp
@@ -1,4 +1,5 @@
True
+OverflowError
task start 1
task end 1
2